From 5bb24a9b12777cbb977ac1f66edf5c6195368e66 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 11:33:15 +0300
Subject: [PATCH 01/44] WIP

---
 .github/workflows/pre-commit.yml |  60 ++++++++++++++++
 .pre-commit/.just                |   2 +-
 cli/.just                        |   2 +-
 helpers/helpers.just             | 115 +++++++++++++++++++++++++++++++
 just/_helpers.just               |  46 -------------
 sdk/.just                        |   2 +-
 toolkit-rust/.just               |   2 +-
 tools/.just                      |   2 +-
 8 files changed, 180 insertions(+), 51 deletions(-)
 create mode 100644 .github/workflows/pre-commit.yml
 create mode 100644 helpers/helpers.just
 delete mode 100644 just/_helpers.just

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
new file mode 100644
index 00000000..5cf2e516
--- /dev/null
+++ b/.github/workflows/pre-commit.yml
@@ -0,0 +1,60 @@
+# GitHub workflow to run the pre-commit hook.
+
+name: Nexus SDK
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+# Fix for OOM.
+env:
+  CARGO_BUILD_JOBS: 1
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: >
+    -C codegen-units=1
+
+jobs:
+  detect-changes:
+    uses: ./.github/workflows/detect_changes.yml
+    with:
+      files: |
+        **/**
+
+  build-and-test:
+    name: Build and test
+    runs-on: ubuntu-latest
+    needs: detect-changes
+    if: needs.detect-changes.outputs.changed == 'true'
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      # Set up Docker for tests
+      - name: Set up Docker
+        uses: docker/setup-docker-action@v4
+
+      # Install Rust
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: stable, nightly-2025-01-06
+          override: true
+          components: rustfmt, clippy
+
+      # Install Rust cache
+      - name: Cache Build
+        uses: Swatinem/rust-cache@v2
+        with:
+          cache-targets: true
+          cache-workspace-crates: true
+          cache-on-failure: true
+          cache-all-crates: true
+
+      # Install just
+      - uses: taiki-e/install-action@just
+
+      # Build, fmt, clippy and test the Nexus SDK
+      - run: cargo +stable --version
+      - run: cargo +nightly-2025-01-06 --version
+      - run: ./.pre-commit/pre-commit
diff --git a/.pre-commit/.just b/.pre-commit/.just
index a3e2f0e0..c78c491d 100644
--- a/.pre-commit/.just
+++ b/.pre-commit/.just
@@ -1,4 +1,4 @@
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 [private]
 _default:
diff --git a/cli/.just b/cli/.just
index 44cf2e43..a677fca3 100644
--- a/cli/.just
+++ b/cli/.just
@@ -4,7 +4,7 @@
 # Commands related the Nexus CLI
 #
 
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 package := 'nexus-cli'
 
diff --git a/helpers/helpers.just b/helpers/helpers.just
new file mode 100644
index 00000000..73f29667
--- /dev/null
+++ b/helpers/helpers.just
@@ -0,0 +1,115 @@
+
+[private]
+_check-cargo:
+    #!/usr/bin/env bash
+
+    if ! command -v cargo &> /dev/null
+    then
+        echo "cargo could not be found"
+        echo "Install cargo from https://doc.rust-lang.org/cargo/getting-started/installation.html"
+        exit 1
+    fi
+
+[private]
+_check-cargo-nextest: _check-cargo
+    #!/usr/bin/env bash
+
+    if ! command -v cargo-nextest &> /dev/null
+    then
+        echo "cargo-nextest could not be found"
+        echo "Install cargo-nextest from https://nexte.st/"
+        exit 1
+    fi
+
+[private]
+_check-markdownlint-cli2:
+    #!/usr/bin/env bash
+
+    exe=markdownlint-cli2
+    if ! command -v $exe &> /dev/null
+    then
+        echo "$exe could not be found"
+        echo "Install $exe from https://github.com/DavidAnson/$exe"
+        exit 1
+    fi
+
+[private]
+_check-typos:
+    #!/usr/bin/env bash
+
+    exe=typos
+    if ! command -v $exe &> /dev/null
+    then
+        echo "$exe could not be found"
+        echo "Install $exe from https://github.com/crate-ci/typos"
+        exit 1
+    fi
+
+[private]
+detect-changes +GLOBS:
+    #!/usr/bin/env bash
+
+    set -euo pipefail
+
+    GLOBS="{{GLOBS}}"
+    REGEXES=() # technically not needed but useful for debugging
+    BIG_REGEX=""
+
+    function LOG() {
+        echo "== $*" >&2
+    }
+
+    # Get list of changed files compared to last commit
+    changed_files=$(git diff --name-only HEAD)
+    LOG "Changed files: $changed_files"
+    ## If GLOBS is not set, we just output the changed files
+    #if [[ -z "${GLOBS}" ]]; then
+    #  echo "$changed_files"
+    #  exit 0
+    #fi
+
+    # Convert simple globs to regexes. By simple we mean `**` and `*` stuff.
+    #
+    # We support either separate globs:
+    #
+    #   '**/*.rs' '*.md'
+    #
+    # or one big string with space-separated globs:
+    #
+    #   '**/*.rs' '*.md'
+    #
+    # Both will give the same result, one big regex:
+    #
+    #   '^.*/[^/]*\.rs$|^[^/]*\.md$'
+    #
+    for glob in $(echo "$GLOBS"); do
+        # Escape special characters and convert to regex
+        regex=$(echo "$glob" |\
+            # We do the following transformations:
+            #   1. escape common regex meta
+            #   2. create a temporary token for **
+            #   3. convert * to [^/]* (matches any character except /)
+            #   4. convert ** to .*
+            sed -e 's/[.[\^$()+{}|]/\\&/g' \
+                -e 's#\*\*#__GLOBSTAR__#g' \
+                -e 's#\*#[^/]*#g' \
+                -e 's#__GLOBSTAR__#.*#g')
+
+        # match the whole string, so we add ^ and $ at the beginning and end
+        regex="^$regex\$"
+
+        if [[ -z "$BIG_REGEX" ]]; then
+            BIG_REGEX="$regex"
+        else
+            BIG_REGEX+="|$regex"
+        fi
+
+        REGEXES+=("$regex")
+
+        LOG "Glob: $glob => Regex: $regex"
+    done
+
+    LOG "Big regex: $BIG_REGEX"
+    LOG ""
+
+    grep -E "$BIG_REGEX" <<< "$changed_files"
diff --git a/just/_helpers.just b/just/_helpers.just
deleted file mode 100644
index 9d4cbbbe..00000000
--- a/just/_helpers.just
+++ /dev/null
@@ -1,46 +0,0 @@
-
-[private]
-_check-cargo:
-    #!/usr/bin/env bash
-
-    if ! command -v cargo &> /dev/null
-    then
-        echo "cargo could not be found"
-        echo "Install cargo from https://doc.rust-lang.org/cargo/getting-started/installation.html"
-        exit 1
-    fi
-
-[private]
-_check-cargo-nextest: _check-cargo
-    #!/usr/bin/env bash
-
-    if ! command -v cargo-nextest &> /dev/null
-    then
-        echo "cargo-nextest could not be found"
-        echo "Install cargo-nextest from https://nexte.st/"
-        exit 1
-    fi
-
-[private]
-_check-markdownlint-cli2:
-    #!/usr/bin/env bash
-
-    exe=markdownlint-cli2
-    if ! command -v $exe &> /dev/null
-    then
-        echo "$exe could not be found"
-        echo "Install $exe from https://github.com/DavidAnson/$exe"
-        exit 1
-    fi
-
-[private]
-_check-typos:
-    #!/usr/bin/env bash
-
-    exe=typos
-    if ! command -v $exe &> /dev/null
-    then
-        echo "$exe could not be found"
-        echo "Install $exe from https://github.com/crate-ci/typos"
-        exit 1
-    fi
diff --git a/sdk/.just b/sdk/.just
index b5cff5b6..ebd02905 100644
--- a/sdk/.just
+++ b/sdk/.just
@@ -4,7 +4,7 @@
 # Commands related the Nexus SDK.
 #
 
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 package := 'nexus-sdk'
 
diff --git a/toolkit-rust/.just b/toolkit-rust/.just
index d266be38..0d27f4b4 100644
--- a/toolkit-rust/.just
+++ b/toolkit-rust/.just
@@ -4,7 +4,7 @@
 # Commands related the Nexus Toolkit for Rust
 #
 
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 package := 'nexus-toolkit'
 
diff --git a/tools/.just b/tools/.just
index e938bac1..d1754fac 100644
--- a/tools/.just
+++ b/tools/.just
@@ -4,7 +4,7 @@
 # Commands related to native Nexus Tools.
 #
 
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 [private]
 _default:

From 7f5020fab9ac2a330c928f4c99eeb3d56fb9cc8c Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 11:35:26 +0300
Subject: [PATCH 02/44] WIP

---
 .github/workflows/pre-commit.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 5cf2e516..be1fefc5 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -1,6 +1,6 @@
 # GitHub workflow to run the pre-commit hook.
 
-name: Nexus SDK
+name: Pre-commit hook
 on:
   pull_request:
   push:

From 71d4b00b3247ddbdfac9dd852a84bccb0ba7b764 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 11:51:23 +0300
Subject: [PATCH 03/44] WIP

---
 .github/workflows/pre-commit.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index be1fefc5..184406ce 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -54,6 +54,10 @@ jobs:
       # Install just
       - uses: taiki-e/install-action@just
 
+      # Install typos
+      - name: typos-action
+        uses: crate-ci/typos@v1.34.0
+
       # Build, fmt, clippy and test the Nexus SDK
       - run: cargo +stable --version
       - run: cargo +nightly-2025-01-06 --version

From 612c0b8d30f1cc620f45472f32e4c0b42fa01ce1 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 12:14:40 +0300
Subject: [PATCH 04/44] WIP

---
 .github/workflows/pre-commit.yml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 184406ce..c0a7ec39 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -9,6 +9,7 @@ on:
 
 # Fix for OOM.
 env:
+  RUST_CACHE_VERBOSE: true
   CARGO_BUILD_JOBS: 1
   CARGO_INCREMENTAL: 0
   RUSTFLAGS: >
@@ -51,8 +52,10 @@ jobs:
           cache-on-failure: true
           cache-all-crates: true
 
-      # Install just
-      - uses: taiki-e/install-action@just
+      # Install cargo-nextest
+      - uses: taiki-e/install-action@v2
+        with:
+          tool: cargo-binstall,just,cargo-nextest
 
       # Install typos
       - name: typos-action

From 11b98ae0be3788619de40267bfb6a1fe412e11e5 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 12:44:49 +0300
Subject: [PATCH 05/44] WIP

---
 .github/workflows/pre-commit.yml | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index c0a7ec39..06d1b2c8 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -11,7 +11,7 @@ on:
 env:
   RUST_CACHE_VERBOSE: true
   CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
+  CARGO_INCREMENTAL: 1
   RUSTFLAGS: >
     -C codegen-units=1
 
@@ -32,7 +32,7 @@ jobs:
         uses: actions/checkout@v4
 
       # Set up Docker for tests
-      - name: Set up Docker
+      - name: Set up Docker for tests
         uses: docker/setup-docker-action@v4
 
       # Install Rust
@@ -52,16 +52,19 @@ jobs:
           cache-on-failure: true
           cache-all-crates: true
 
-      # Install cargo-nextest
-      - uses: taiki-e/install-action@v2
+      # Install Rust tools
+      - name: Install Rust tools
+        uses: taiki-e/install-action@v2
         with:
           tool: cargo-binstall,just,cargo-nextest
 
       # Install typos
-      - name: typos-action
+      - name: Install typos
         uses: crate-ci/typos@v1.34.0
 
-      # Build, fmt, clippy and test the Nexus SDK
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
+      # Install markdownlint-cli2
+      - name: Install markdownlint-cli2
+        uses: DavidAnson/markdownlint-cli2-action@v20
+
+      - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
       - run: ./.pre-commit/pre-commit

From 94df977261cf4382f786ea3751aaad6800c480e0 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 14:15:42 +0300
Subject: [PATCH 06/44] WIP

---
 .github/workflows/pre-commit.yml | 9 +++------
 .pre-commit/.just                | 1 -
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 06d1b2c8..2df53da2 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -53,18 +53,15 @@ jobs:
           cache-all-crates: true
 
       # Install Rust tools
+      # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
       - name: Install Rust tools
         uses: taiki-e/install-action@v2
         with:
-          tool: cargo-binstall,just,cargo-nextest
-
-      # Install typos
-      - name: Install typos
-        uses: crate-ci/typos@v1.34.0
+          tool: cargo-binstall,just,cargo-nextest,typos
 
       # Install markdownlint-cli2
       - name: Install markdownlint-cli2
-        uses: DavidAnson/markdownlint-cli2-action@v20
+        run: npm install -g markdownlint-cli2
 
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
       - run: ./.pre-commit/pre-commit
diff --git a/.pre-commit/.just b/.pre-commit/.just
index c78c491d..c457de0f 100644
--- a/.pre-commit/.just
+++ b/.pre-commit/.just
@@ -90,7 +90,6 @@ cargo-nextest-build: _check-cargo-nextest
 # cargo nextest run --locked --fail-fast --workspace --all-features --bins --examples --tests
 cargo-nextest-run: _check-cargo-nextest
     # Note that tests require docker to be running.
-    # TODO: https://github.com/Talus-Network/nexus-sdk/issues/254
     cargo nextest run --locked --fail-fast --workspace --all-features --bins --examples --tests
 
 

From a9e6c58bbad9e9ffaf97d45b6814f3c5e5129698 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 14:45:53 +0300
Subject: [PATCH 07/44] WIP

---
 .github/workflows/pre-commit.yml | 22 +++++++++++++++++-----
 helpers/npm-install-g.txt        |  1 +
 2 files changed, 18 insertions(+), 5 deletions(-)
 create mode 100644 helpers/npm-install-g.txt

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 2df53da2..77d90c9a 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -44,14 +44,22 @@ jobs:
           components: rustfmt, clippy
 
       # Install Rust cache
-      - name: Cache Build
+      - name: Rust cache
         uses: Swatinem/rust-cache@v2
         with:
           cache-targets: true
-          cache-workspace-crates: true
           cache-on-failure: true
           cache-all-crates: true
 
+      # Extra cache for anything that is not cached by rust-cache
+      - name: Extra cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('helpers/npm-install-g.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
       # Install Rust tools
       # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
       - name: Install Rust tools
@@ -59,9 +67,13 @@ jobs:
         with:
           tool: cargo-binstall,just,cargo-nextest,typos
 
-      # Install markdownlint-cli2
-      - name: Install markdownlint-cli2
-        run: npm install -g markdownlint-cli2
+      # Install NPM stuff (markdownlint-cli2)
+      - name: Install NPM stuff (markdownlint-cli2)
+        run: |
+          command -v markdownlint-cli2 || \
+          while read -r tool; do
+            npm install -g "$tool"
+          done < helpers/npm-install-g.txt
 
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
       - run: ./.pre-commit/pre-commit
diff --git a/helpers/npm-install-g.txt b/helpers/npm-install-g.txt
new file mode 100644
index 00000000..f4537ac3
--- /dev/null
+++ b/helpers/npm-install-g.txt
@@ -0,0 +1 @@
+markdownlint-cli2@0.18.1

From 698b44721f9482ebc150e91be7ec10eeb245ea8c Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 14:57:46 +0300
Subject: [PATCH 08/44] WIP

---
 .github/workflows/pre-commit.yml | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 77d90c9a..c48217be 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -37,19 +37,20 @@ jobs:
 
       # Install Rust
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
         with:
           toolchain: stable, nightly-2025-01-06
           override: true
           components: rustfmt, clippy
+#          cache-directories: ~/.npm
 
-      # Install Rust cache
-      - name: Rust cache
-        uses: Swatinem/rust-cache@v2
-        with:
-          cache-targets: true
-          cache-on-failure: true
-          cache-all-crates: true
+#      # Install Rust cache
+#      - name: Rust cache
+#        uses: Swatinem/rust-cache@v2
+#        with:
+#          cache-targets: true
+#          cache-on-failure: true
+#          cache-all-crates: true
 
       # Extra cache for anything that is not cached by rust-cache
       - name: Extra cache

From dc85228375a6f26b826cc790079b04240c5cee1c Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 15:16:59 +0300
Subject: [PATCH 09/44] WIP

---
 .github/workflows/pre-commit.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index c48217be..227c2578 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -36,13 +36,15 @@ jobs:
         uses: docker/setup-docker-action@v4
 
       # Install Rust
+      # Note that it can handle the Rust cache automatically (via Swatinem/rust-cache),
+      # but we use a custom cache for NPM stuff.
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
         with:
           toolchain: stable, nightly-2025-01-06
           override: true
           components: rustfmt, clippy
-#          cache-directories: ~/.npm
+          cache-directories: ~/.npm
 
 #      # Install Rust cache
 #      - name: Rust cache

From a8c2abc1f64738a1dbc44711e086af5215e7631e Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 15:43:53 +0300
Subject: [PATCH 10/44] WIP

---
 .github/workflows/pre-commit.yml | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 227c2578..067c5104 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -54,14 +54,14 @@ jobs:
 #          cache-on-failure: true
 #          cache-all-crates: true
 
-      # Extra cache for anything that is not cached by rust-cache
-      - name: Extra cache
-        uses: actions/cache@v4
-        with:
-          path: ~/.npm
-          key: ${{ runner.os }}-npm-${{ hashFiles('helpers/npm-install-g.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-npm-
+#      # Extra cache for anything that is not cached by rust-cache
+#      - name: Extra cache
+#        uses: actions/cache@v4
+#        with:
+#          path: ~/.npm
+#          key: ${{ runner.os }}-npm-${{ hashFiles('helpers/npm-install-g.txt') }}
+#          restore-keys: |
+#            ${{ runner.os }}-npm-
 
       # Install Rust tools
       # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md

From 132d58c8e10a5c72377a9e6161606da0359ac845 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 17:22:56 +0300
Subject: [PATCH 11/44] WIP

---
 .github/workflows/pre-commit.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 067c5104..0711ad7f 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -76,6 +76,7 @@ jobs:
           command -v markdownlint-cli2 || \
           while read -r tool; do
             npm install -g "$tool"
+            which "$tool"
           done < helpers/npm-install-g.txt
 
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version

From c91113b0ab5e072ee45d7b386a5aa02b4e4315b7 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 17:28:13 +0300
Subject: [PATCH 12/44] WIP

---
 .github/workflows/pre-commit.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 0711ad7f..db08adc8 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -76,7 +76,7 @@ jobs:
           command -v markdownlint-cli2 || \
           while read -r tool; do
             npm install -g "$tool"
-            which "$tool"
+            which "$(echo "$tool" | cut -d'@' -f1)"
           done < helpers/npm-install-g.txt
 
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version

From bf4c621163dbf736ec27c47e1f99bf49d1b1d1ac Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 17:33:42 +0300
Subject: [PATCH 13/44] WIP

---
 .github/workflows/pre-commit.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index db08adc8..9637b2db 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -44,7 +44,9 @@ jobs:
           toolchain: stable, nightly-2025-01-06
           override: true
           components: rustfmt, clippy
-          cache-directories: ~/.npm
+          cache-directories: |
+            ~/.npm
+            /usr/local/bin
 
 #      # Install Rust cache
 #      - name: Rust cache

From 4f45aed0b5093479049ed3d129a7d9b4f08bbb17 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 17:55:40 +0300
Subject: [PATCH 14/44] WIP

---
 .github/workflows/pre-commit.yml | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 9637b2db..68455460 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -7,7 +7,15 @@ on:
     branches:
       - main
 
-# Fix for OOM.
+# NOTE: The following values seem to be a fix for OOM, in case they are needed again.
+#
+#   RUST_CACHE_VERBOSE: true
+#   CARGO_BUILD_JOBS: 1
+#   CARGO_INCREMENTAL: 0
+#   RUSTFLAGS: >
+#     -C codegen-units=1
+#
+# but we have reverted CARGO_INCREMENTAL to 1 to speed up builds.
 env:
   RUST_CACHE_VERBOSE: true
   CARGO_BUILD_JOBS: 1
@@ -16,17 +24,17 @@ env:
     -C codegen-units=1
 
 jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        **/**
+#  detect-changes:
+#    uses: ./.github/workflows/detect_changes.yml
+#    with:
+#      files: |
+#        **/**
 
   build-and-test:
-    name: Build and test
+    name: Run pre-commit checks and build
     runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
+#    needs: detect-changes
+#    if: needs.detect-changes.outputs.changed == 'true'
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
@@ -36,6 +44,7 @@ jobs:
         uses: docker/setup-docker-action@v4
 
       # Install Rust
+      # See: https://github.com/actions-rust-lang/setup-rust-toolchain
       # Note that it can handle the Rust cache automatically (via Swatinem/rust-cache),
       # but we use a custom cache for NPM stuff.
       - name: Install Rust

From eff8e5f02335656591b6c86ef5d29c8ae962da9d Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 1 Aug 2025 18:04:58 +0300
Subject: [PATCH 15/44] WIP

---
 .github/workflows/pre-commit.yml | 37 ++++++--------------------------
 1 file changed, 6 insertions(+), 31 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 68455460..955a4c8e 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -24,17 +24,9 @@ env:
     -C codegen-units=1
 
 jobs:
-#  detect-changes:
-#    uses: ./.github/workflows/detect_changes.yml
-#    with:
-#      files: |
-#        **/**
-
   build-and-test:
-    name: Run pre-commit checks and build
+    name: Run pre-commit checks
     runs-on: ubuntu-latest
-#    needs: detect-changes
-#    if: needs.detect-changes.outputs.changed == 'true'
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
@@ -57,23 +49,6 @@ jobs:
             ~/.npm
             /usr/local/bin
 
-#      # Install Rust cache
-#      - name: Rust cache
-#        uses: Swatinem/rust-cache@v2
-#        with:
-#          cache-targets: true
-#          cache-on-failure: true
-#          cache-all-crates: true
-
-#      # Extra cache for anything that is not cached by rust-cache
-#      - name: Extra cache
-#        uses: actions/cache@v4
-#        with:
-#          path: ~/.npm
-#          key: ${{ runner.os }}-npm-${{ hashFiles('helpers/npm-install-g.txt') }}
-#          restore-keys: |
-#            ${{ runner.os }}-npm-
-
       # Install Rust tools
       # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
       - name: Install Rust tools
@@ -81,13 +56,13 @@ jobs:
         with:
           tool: cargo-binstall,just,cargo-nextest,typos
 
-      # Install NPM stuff (markdownlint-cli2)
-      - name: Install NPM stuff (markdownlint-cli2)
+      # Install NPM stuff from helpers/npm-install-g.txt
+      - name: Install NPM stuff from helpers/npm-install-g.txt
         run: |
-          command -v markdownlint-cli2 || \
           while read -r tool; do
-            npm install -g "$tool"
-            which "$(echo "$tool" | cut -d'@' -f1)"
+            if ! command -v "$tool" &> /dev/null; then
+              npm install -g "$tool"
+            fi
           done < helpers/npm-install-g.txt
 
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version

From bd236b0d8f5749a1c7948cc71dd18daa79d45c21 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 11:04:02 +0300
Subject: [PATCH 16/44] update pre-commit hook

---
 .pre-commit/pre-commit | 34 +++++++++++++++++++++++-----------
 1 file changed, 23 insertions(+), 11 deletions(-)

diff --git a/.pre-commit/pre-commit b/.pre-commit/pre-commit
index 7a4e0637..b814d394 100755
--- a/.pre-commit/pre-commit
+++ b/.pre-commit/pre-commit
@@ -4,7 +4,7 @@
 # Source: https://github.com/loverdos/pre-commit
 
 # shellcheck disable=SC2034
-SCRIPT_VERSION=14
+SCRIPT_VERSION=16
 
 # shellcheck disable=SC2034
 SCRIPT_ID=AF13AE47-34E0-41FA-8FF8-AF660A922C6A
@@ -100,6 +100,14 @@ function backup_file() {
     mv "$file" "$new_location"
 }
 
+function sec_to_mmss() {
+    local time_sec=$1
+    local time_min=$((time_sec / 60))
+    time_sec=$((time_sec % 60))
+
+    printf "%02d:%02d" $time_min $time_sec
+}
+
 function install() {
     LOG "Begin installation process from $MY_PATH to $git_root"
 
@@ -169,9 +177,9 @@ function run() {
     local successes=0
     local failures=0
     local mark=""
-    local time_sec=0
-    local time_min=0
-    local time=""
+    local script_seconds=0
+    local script_time=""
+    local script_times=()
 
     LOG "Running pre-commit hook"
     SECONDS=0 # bash builtin ;)
@@ -188,12 +196,19 @@ function run() {
         LOG
         LOG "Run: $script"
 
+        script_seconds=$SECONDS
+        
         $script
         status=$?
+        
+        script_seconds=$((SECONDS - script_seconds))
 
         cmds+=("$script")
         cmd_statuses+=("$status")
 
+        script_time=$(sec_to_mmss $script_seconds)
+        script_times+=("$script_time")
+
         if ((status == 0)); then
             ((successes++))
             mark="✅"
@@ -206,23 +221,20 @@ function run() {
     done
     set -e
 
-    time_sec=$SECONDS
-    time_min=$((time_sec / 60))
-    time_sec=$((time_sec % 60))
-    time=$(printf "%02d:%02d" $time_min $time_sec)
+    time=$(sec_to_mmss $SECONDS)
 
     LOG
     LOG "Results: $successes success(es), $failures failure(s)"
-    LOG "     In: $time (min:sec)"
+    LOG "     In: $time [min:sec]"
     LOG
 
     local result=0
 
     for i in "${!cmds[@]}"; do
         if ((cmd_statuses[i] == 0)); then
-            LOG "✅ ${cmds[i]}"
+            LOG "✅ [${script_times[i]}] ${cmds[i]}"
         else
-            LOG "❌ ${cmds[i]}"
+            LOG "❌ [${script_times[i]}] ${cmds[i]}"
             result=1
         fi
     done

From 3b53a539ebff42dc37432a0cbdd50da07e11fcf2 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 11:04:42 +0300
Subject: [PATCH 17/44] WIP

---
 .github/workflows/pre-commit.yml | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 955a4c8e..1dd73d73 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -36,20 +36,24 @@ jobs:
         uses: docker/setup-docker-action@v4
 
       # Install Rust
+      #
       # See: https://github.com/actions-rust-lang/setup-rust-toolchain
       # Note that it can handle the Rust cache automatically (via Swatinem/rust-cache),
-      # but we use a custom cache for NPM stuff.
+      # and even take care of (=cache) other directories.
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
         with:
           toolchain: stable, nightly-2025-01-06
           override: true
           components: rustfmt, clippy
+          cache-all-crates: true
+          cache-workspace-crates: true
           cache-directories: |
             ~/.npm
             /usr/local/bin
 
       # Install Rust tools
+      #
       # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
       - name: Install Rust tools
         uses: taiki-e/install-action@v2
@@ -57,11 +61,18 @@ jobs:
           tool: cargo-binstall,just,cargo-nextest,typos
 
       # Install NPM stuff from helpers/npm-install-g.txt
+      #
+      # Why have a separate file?
+      # The spirit is that we can run things locally and then reuse the same stuff in CI,
+      # not code everything in CI and then try to reverse engineer how it could run locally.
       - name: Install NPM stuff from helpers/npm-install-g.txt
         run: |
           while read -r tool; do
             if ! command -v "$tool" &> /dev/null; then
+              echo "Installing tool: $tool"
               npm install -g "$tool"
+            else
+                echo "Tool already installed: $tool"
             fi
           done < helpers/npm-install-g.txt
 

From 89e89ccc363a3ea14d9d9837b9b1b3675441d62d Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 11:21:59 +0300
Subject: [PATCH 18/44] WIP

---
 .github/workflows/cli.yml           | 60 ----------------------------
 .github/workflows/pre-commit.yml    | 11 +----
 .github/workflows/sdk.yml           | 62 -----------------------------
 .github/workflows/toolkit-rust.yml  | 59 ---------------------------
 .pre-commit/.just                   |  6 +++
 .pre-commit/11-test-cli-completions |  3 ++
 cli/.just                           |  6 ---
 helpers/npm-install-g.sh            | 18 +++++++++
 8 files changed, 29 insertions(+), 196 deletions(-)
 delete mode 100644 .github/workflows/cli.yml
 delete mode 100644 .github/workflows/sdk.yml
 delete mode 100644 .github/workflows/toolkit-rust.yml
 create mode 100755 .pre-commit/11-test-cli-completions
 create mode 100644 helpers/npm-install-g.sh

diff --git a/.github/workflows/cli.yml b/.github/workflows/cli.yml
deleted file mode 100644
index 0cba14d5..00000000
--- a/.github/workflows/cli.yml
+++ /dev/null
@@ -1,60 +0,0 @@
-# Github workflow to build and test the Nexus CLI code
-
-name: Nexus CLI
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# Fix for OOM.
-env:
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        cli/**
-  # 1. Install Rust
-  # 2. Install Rust cache
-  # 3. Install just
-  # 4. Build, fmt, clippy and test the CLI
-  build-and-test:
-    name: Build and test
-    runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      # 1.
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: stable, nightly-2025-01-06
-          override: true
-          components: rustfmt, clippy
-
-      # 2.
-      - name: Cache Build
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: cli
-
-      # 3
-      - uses: taiki-e/install-action@just
-
-      # 4
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
-      - run: just cli check
-      - run: just cli fmt-check
-      - run: just cli clippy
-      - run: just cli test
-      - run: just cli test-completions
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 1dd73d73..6fefc51c 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -65,16 +65,9 @@ jobs:
       # Why have a separate file?
       # The spirit is that we can run things locally and then reuse the same stuff in CI,
       # not code everything in CI and then try to reverse engineer how it could run locally.
+      #
       - name: Install NPM stuff from helpers/npm-install-g.txt
-        run: |
-          while read -r tool; do
-            if ! command -v "$tool" &> /dev/null; then
-              echo "Installing tool: $tool"
-              npm install -g "$tool"
-            else
-                echo "Tool already installed: $tool"
-            fi
-          done < helpers/npm-install-g.txt
+        run: ./helpers/npm-install-g.sh
 
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
       - run: ./.pre-commit/pre-commit
diff --git a/.github/workflows/sdk.yml b/.github/workflows/sdk.yml
deleted file mode 100644
index c27a5c31..00000000
--- a/.github/workflows/sdk.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-# Github workflow to build and test the Nexus SDK code
-
-name: Nexus SDK
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# Fix for OOM.
-env:
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        sdk/**
-  # 1. Install Rust
-  # 2. Install Rust cache
-  # 3. Install just
-  # 4. Build, fmt, clippy and test the Nexus SDK
-  build-and-test:
-    name: Build and test
-    runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      - name: Set up Docker
-        uses: docker/setup-docker-action@v4
-
-      # 1.
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: stable, nightly-2025-01-06
-          override: true
-          components: rustfmt, clippy
-
-      # 2.
-      - name: Cache Build
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: sdk
-
-      # 3.
-      - uses: taiki-e/install-action@just
-
-      # 4
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
-      - run: just sdk check
-      - run: just sdk fmt-check
-      - run: just sdk clippy
-      - run: just sdk test
diff --git a/.github/workflows/toolkit-rust.yml b/.github/workflows/toolkit-rust.yml
deleted file mode 100644
index c3bbbe6c..00000000
--- a/.github/workflows/toolkit-rust.yml
+++ /dev/null
@@ -1,59 +0,0 @@
-# Github workflow to build and test the Nexus Toolkit for Rust code
-
-name: Nexus Toolkit for Rust
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# Fix for OOM.
-env:
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        toolkit-rust/**
-  # 1. Install Rust
-  # 2. Install Rust cache
-  # 3. Install just
-  # 4. Build, fmt, clippy and test the Toolkit for Rust
-  build-and-test:
-    name: Build and test
-    runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      # 1.
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: stable, nightly-2025-01-06
-          override: true
-          components: rustfmt, clippy
-
-      # 2.
-      - name: Cache Build
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: toolkit-rust
-
-      # 3.
-      - uses: taiki-e/install-action@just
-
-      # 4
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
-      - run: just toolkit-rust check
-      - run: just toolkit-rust fmt-check
-      - run: just toolkit-rust clippy
-      - run: just toolkit-rust test
diff --git a/.pre-commit/.just b/.pre-commit/.just
index c457de0f..a1ee6fdf 100644
--- a/.pre-commit/.just
+++ b/.pre-commit/.just
@@ -188,3 +188,9 @@ typos: _check-typos
     cd $(git rev-parse --show-toplevel)
 
     typos
+
+# Test completions (bash for now)
+test-cli-completions:
+    #!/usr/bin/env bash
+
+    source <(cargo +stable run --package nexus-cli completion bash)
diff --git a/.pre-commit/11-test-cli-completions b/.pre-commit/11-test-cli-completions
new file mode 100755
index 00000000..0ea7a1f7
--- /dev/null
+++ b/.pre-commit/11-test-cli-completions
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+exec just pre-commit::test-cli-completions
diff --git a/cli/.just b/cli/.just
index a677fca3..a61b18f6 100644
--- a/cli/.just
+++ b/cli/.just
@@ -24,12 +24,6 @@ check: _check-cargo
 test: _check-cargo
     cargo +stable test --package {{ package }}
 
-# Test completions (bash for now)
-test-completions: build
-    #!/usr/bin/env bash
-
-    source <(cargo +stable run --package {{ package }} completion bash)
-
 # Run rustfmt on the CLI project
 fmt-check: _check-cargo
     cargo +nightly-2025-01-06 fmt --package {{ package }} --check
diff --git a/helpers/npm-install-g.sh b/helpers/npm-install-g.sh
new file mode 100644
index 00000000..9d2b0f6a
--- /dev/null
+++ b/helpers/npm-install-g.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Go to the root of the git repository
+cd $(git rev-parse --show-toplevel)
+
+# Install NPM stuff from helpers/npm-install-g.txt
+while read -r tool_at_version; do
+  # Split the tool name and version
+  tool=$(echo "$tool_at_version" | cut -d'@' -f1)
+  if ! command -v "$tool" &> /dev/null; then
+    echo "Installing tool: $tool_at_version"
+    npm install -g "$tool_at_version"
+  else
+    echo "Tool already installed: $tool_at_version"
+  fi
+done < helpers/npm-install-g.txt

From d55ceb9c0ed7e5716bd63f437800bb395853a82e Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 11:25:03 +0300
Subject: [PATCH 19/44] WIP

---
 .github/workflows/tools.yml | 59 -------------------------------------
 1 file changed, 59 deletions(-)
 delete mode 100644 .github/workflows/tools.yml

diff --git a/.github/workflows/tools.yml b/.github/workflows/tools.yml
deleted file mode 100644
index de718fe3..00000000
--- a/.github/workflows/tools.yml
+++ /dev/null
@@ -1,59 +0,0 @@
-# Github workflow to build and test the native Nexus Tools code
-
-name: Native Nexus Tools
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# Fix for OOM.
-env:
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        tools/**
-  # 1. Install Rust
-  # 2. Install Rust cache
-  # 3. Install just
-  # 4. Build, fmt, clippy and test the native Nexus Tools
-  build-and-test:
-    name: Build and test
-    runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      # 1.
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: stable, nightly-2025-01-06
-          override: true
-          components: rustfmt, clippy
-
-      # 2.
-      - name: Cache Build
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: tools
-
-      # 3.
-      - uses: taiki-e/install-action@just
-
-      # 4
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
-      - run: just tools check
-      - run: just tools fmt-check
-      - run: just tools clippy
-      - run: just tools test

From cadfb7abee16be4544584c7ba97fc46c562f7fcf Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 11:34:12 +0300
Subject: [PATCH 20/44] WIP

---
 helpers/npm-install-g.sh | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 mode change 100644 => 100755 helpers/npm-install-g.sh

diff --git a/helpers/npm-install-g.sh b/helpers/npm-install-g.sh
old mode 100644
new mode 100755

From fb2cf850deb20c82f1dce59ab35620372c18c33f Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 12:04:34 +0300
Subject: [PATCH 21/44] WIP

---
 .pre-commit/.just | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/.pre-commit/.just b/.pre-commit/.just
index a1ee6fdf..22448d10 100644
--- a/.pre-commit/.just
+++ b/.pre-commit/.just
@@ -194,3 +194,31 @@ test-cli-completions:
     #!/usr/bin/env bash
 
     source <(cargo +stable run --package nexus-cli completion bash)
+
+executable-scripts:
+    #!/usr/bin/env bash
+
+    set -euo pipefail
+
+    error=0
+
+    cd $(git rev-parse --show-toplevel)
+
+    for f in $(git ls-files); do
+        first_line=$(head -n 1 "$f")
+
+        # see if the first line is a shell shebang
+        if [[ "$first_line" =~ ^(#! *) ]]; then
+            # ... of the correct format, we checked that in another script.
+            if [[ "$first_line" =~ ^(#! */usr/bin/env *) ]]; then
+                if [[ ! -x "$f" ]]; then
+                  echo "❌  $f is not executable" >&2
+                  error=1
+                else
+                  echo "✅  $f" >&2
+                fi
+            fi
+        fi
+    done
+
+    exit $error

From 1523c33f2eda73b301186924104d0dcfe0c08f93 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 12:20:48 +0300
Subject: [PATCH 22/44] WIP

---
 .pre-commit/12-executable-scripts | 3 +++
 helpers/npm-install-g.sh          | 1 +
 2 files changed, 4 insertions(+)
 create mode 100755 .pre-commit/12-executable-scripts

diff --git a/.pre-commit/12-executable-scripts b/.pre-commit/12-executable-scripts
new file mode 100755
index 00000000..3be7a9e3
--- /dev/null
+++ b/.pre-commit/12-executable-scripts
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+exec just pre-commit::executable-scripts
diff --git a/helpers/npm-install-g.sh b/helpers/npm-install-g.sh
index 9d2b0f6a..5bc0f273 100755
--- a/helpers/npm-install-g.sh
+++ b/helpers/npm-install-g.sh
@@ -9,6 +9,7 @@ cd $(git rev-parse --show-toplevel)
 while read -r tool_at_version; do
   # Split the tool name and version
   tool=$(echo "$tool_at_version" | cut -d'@' -f1)
+
   if ! command -v "$tool" &> /dev/null; then
     echo "Installing tool: $tool_at_version"
     npm install -g "$tool_at_version"

From 5c74ca726047948e9531f5eaef35393ec40e3772 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 13:42:33 +0300
Subject: [PATCH 23/44] WIP

---
 .github/workflows/pre-commit.yml | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 6fefc51c..c047168f 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -46,11 +46,6 @@ jobs:
           toolchain: stable, nightly-2025-01-06
           override: true
           components: rustfmt, clippy
-          cache-all-crates: true
-          cache-workspace-crates: true
-          cache-directories: |
-            ~/.npm
-            /usr/local/bin
 
       # Install Rust tools
       #

From 926eb1e950d605823d44d9975601f841e5292e60 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 14:14:02 +0300
Subject: [PATCH 24/44] WIP

---
 .github/workflows/pre-commit.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index c047168f..d28c7ae6 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -23,6 +23,7 @@ env:
   RUSTFLAGS: >
     -C codegen-units=1
 
+
 jobs:
   build-and-test:
     name: Run pre-commit checks

From b18472077c2c3e98b6012eac98e4126caa4ef97e Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 15:13:56 +0300
Subject: [PATCH 25/44] WIP

---
 .github/workflows/pre-commit.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index d28c7ae6..f7482a46 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -33,8 +33,8 @@ jobs:
         uses: actions/checkout@v4
 
       # Set up Docker for tests
-      - name: Set up Docker for tests
-        uses: docker/setup-docker-action@v4
+#      - name: Set up Docker for tests
+#        uses: docker/setup-docker-action@v4
 
       # Install Rust
       #

From 614825c6e2a5578730a623508f5e521f16da9306 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 15:32:55 +0300
Subject: [PATCH 26/44] WIP

---
 .github/workflows/pre-commit.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index f7482a46..fd9a058a 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -28,6 +28,8 @@ jobs:
   build-and-test:
     name: Run pre-commit checks
     runs-on: ubuntu-latest
+    env:
+      CARGO_INCREMENTAL: 1
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4

From 779772d7aa8a9cbedc056833a1cb5a1d5c2a6c92 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 15:41:52 +0300
Subject: [PATCH 27/44] WIP

---
 .github/workflows/pre-commit.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index fd9a058a..83ab4c51 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -25,11 +25,9 @@ env:
 
 
 jobs:
-  build-and-test:
+  run-pre-commit:
     name: Run pre-commit checks
     runs-on: ubuntu-latest
-    env:
-      CARGO_INCREMENTAL: 1
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
@@ -69,3 +67,5 @@ jobs:
 
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
       - run: ./.pre-commit/pre-commit
+        env:
+          CARGO_INCREMENTAL: 1

From a7c6cebb2a57c2c547b24409a1663160d40be5ac Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 16:21:49 +0300
Subject: [PATCH 28/44] WIP

---
 .github/workflows/pre-commit.yml | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 83ab4c51..054a39e2 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -57,15 +57,13 @@ jobs:
           tool: cargo-binstall,just,cargo-nextest,typos
 
       # Install NPM stuff from helpers/npm-install-g.txt
-      #
-      # Why have a separate file?
-      # The spirit is that we can run things locally and then reuse the same stuff in CI,
-      # not code everything in CI and then try to reverse engineer how it could run locally.
-      #
       - name: Install NPM stuff from helpers/npm-install-g.txt
         run: ./helpers/npm-install-g.sh
 
+      # Just print some versions
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
+
+      # Finally, run the pre-commit hook
       - run: ./.pre-commit/pre-commit
         env:
           CARGO_INCREMENTAL: 1

From c0f0e44d7b09a5e14116985ff0a919c5945d8d7f Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 16:49:42 +0300
Subject: [PATCH 29/44] WIP

---
 .github/workflows/pre-commit.yml | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 054a39e2..d560c1bb 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -19,7 +19,7 @@ on:
 env:
   RUST_CACHE_VERBOSE: true
   CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 1
+  CARGO_INCREMENTAL: 1 # NOTE: unfortunately this does not propagate to steps below.
   RUSTFLAGS: >
     -C codegen-units=1
 
@@ -32,16 +32,11 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@v4
 
-      # Set up Docker for tests
-#      - name: Set up Docker for tests
-#        uses: docker/setup-docker-action@v4
-
       # Install Rust
       #
       # See: https://github.com/actions-rust-lang/setup-rust-toolchain
-      # Note that it can handle the Rust cache automatically (via Swatinem/rust-cache),
-      # and even take care of (=cache) other directories.
-      - name: Install Rust
+      # Note that it can handle the Rust cache automatically (via Swatinem/rust-cache).
+      - name: Install Rust and setup Rust cache
         uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
         with:
           toolchain: stable, nightly-2025-01-06

From c4ddcec6c874f93f23f24ea40aace64cffda74b0 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 17:12:21 +0300
Subject: [PATCH 30/44] WIP

---
 .github/workflows/pre-commit.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index d560c1bb..58621006 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -42,6 +42,7 @@ jobs:
           toolchain: stable, nightly-2025-01-06
           override: true
           components: rustfmt, clippy
+          cache-shared-key: v1-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
 
       # Install Rust tools
       #

From 28839694b645252eb8c5d1b0d20feabcce911155 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 17:45:58 +0300
Subject: [PATCH 31/44] WIP

---
 .github/workflows/pre-commit.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 58621006..dd9e4fab 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -47,6 +47,7 @@ jobs:
       # Install Rust tools
       #
       # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
+      
       - name: Install Rust tools
         uses: taiki-e/install-action@v2
         with:

From 938d85753536fc238a888875d7b8e9909b4f40ee Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 23:24:29 +0300
Subject: [PATCH 32/44] WIP

---
 .github/workflows/pre-commit.yml | 9 +++++----
 .pre-commit/.just                | 6 +++---
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index dd9e4fab..7f2ae34b 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -27,7 +27,9 @@ env:
 jobs:
   run-pre-commit:
     name: Run pre-commit checks
-    runs-on: ubuntu-latest
+    # arm64 runners are faster
+    # See: https://github.blog/changelog/2025-01-16-linux-arm64-hosted-runners-now-available-for-free-in-public-repositories-public-preview/
+    runs-on: ubuntu-latest-arm64
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
@@ -39,15 +41,14 @@ jobs:
       - name: Install Rust and setup Rust cache
         uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
         with:
-          toolchain: stable, nightly-2025-01-06
+          toolchain: nightly-2025-01-06, stable
           override: true
           components: rustfmt, clippy
-          cache-shared-key: v1-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          cache-shared-key: v2-${{ github.repository_id }}-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml') }}
 
       # Install Rust tools
       #
       # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
-      
       - name: Install Rust tools
         uses: taiki-e/install-action@v2
         with:
diff --git a/.pre-commit/.just b/.pre-commit/.just
index 22448d10..3f6081f1 100644
--- a/.pre-commit/.just
+++ b/.pre-commit/.just
@@ -71,13 +71,13 @@ check-container-runtime:
 
 # cargo clippy --all-targets --all-features
 cargo-clippy: _check-cargo
-    cargo clippy --all-targets --all-features
+    cargo clippy --locked --all-targets --all-features
 
 
 # TODO: Perhaps consider this stricter version in the future.
 # cargo clippy --all-targets --all-features -- -D warnings
 cargo-clippy-strict: _check-cargo
-    cargo clippy --all-targets --all-features -- -D warnings
+    cargo clippy --locked --all-targets --all-features -- -D warnings
 
 
 # cargo nextest run --locked --no-run --workspace --all-features --bins --examples --tests
@@ -193,7 +193,7 @@ typos: _check-typos
 test-cli-completions:
     #!/usr/bin/env bash
 
-    source <(cargo +stable run --package nexus-cli completion bash)
+    source <(cargo +stable run --locked --package nexus-cli completion bash)
 
 executable-scripts:
     #!/usr/bin/env bash

From d104c2c0d04f1e3798a89f417f091949cf68c552 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Mon, 4 Aug 2025 23:55:32 +0300
Subject: [PATCH 33/44] WIP

---
 .github/workflows/pre-commit.yml | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 7f2ae34b..58926fa9 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -26,10 +26,8 @@ env:
 
 jobs:
   run-pre-commit:
-    name: Run pre-commit checks
-    # arm64 runners are faster
-    # See: https://github.blog/changelog/2025-01-16-linux-arm64-hosted-runners-now-available-for-free-in-public-repositories-public-preview/
-    runs-on: ubuntu-latest-arm64
+    name: Run pre-commit hook
+    runs-on: ubuntu-latest
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
@@ -44,7 +42,13 @@ jobs:
           toolchain: nightly-2025-01-06, stable
           override: true
           components: rustfmt, clippy
-          cache-shared-key: v2-${{ github.repository_id }}-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml') }}
+          cache-shared-key: v2-${{ github.repository_id }}-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml', '**/build.rs') }}
+          cache-directories: |
+            ~/.cache/sccache
+
+      # Print cache key
+      - name: Print cache key
+        run: echo "v2-${{ github.repository_id }}-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml', '**/build.rs') }}"
 
       # Install Rust tools
       #
@@ -52,14 +56,25 @@ jobs:
       - name: Install Rust tools
         uses: taiki-e/install-action@v2
         with:
-          tool: cargo-binstall,just,cargo-nextest,typos
+          tool: sccache,cargo-binstall,just,cargo-nextest,typos
+
+      # Enable sccache
+      - name: Enable sccache
+        run: |
+          echo "export RUSTC_WRAPPER=$(command -v sccache)" >> $GITHUB_ENV
+          echo "export CARGO_TARGET_DIR=target" >> $GITHUB_ENV
+          echo "export SCCACHE_DIR=~/.cache/sccache" >> $GITHUB_ENV
+
 
       # Install NPM stuff from helpers/npm-install-g.txt
       - name: Install NPM stuff from helpers/npm-install-g.txt
         run: ./helpers/npm-install-g.sh
 
-      # Just print some versions
+      # Just print some versions & stuff
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
+      - run: |
+          echo "Contents of: $$GITHUB_ENV"
+          cat $GITHUB_ENV
 
       # Finally, run the pre-commit hook
       - run: ./.pre-commit/pre-commit

From 6d71b57a8dffe1f777eb93f8159a1d8c0b35d42d Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Tue, 5 Aug 2025 00:01:04 +0300
Subject: [PATCH 34/44] WIP

---
 .github/workflows/pre-commit.yml | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 58926fa9..f23c57b0 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -62,7 +62,6 @@ jobs:
       - name: Enable sccache
         run: |
           echo "export RUSTC_WRAPPER=$(command -v sccache)" >> $GITHUB_ENV
-          echo "export CARGO_TARGET_DIR=target" >> $GITHUB_ENV
           echo "export SCCACHE_DIR=~/.cache/sccache" >> $GITHUB_ENV
 
 
@@ -73,10 +72,8 @@ jobs:
       # Just print some versions & stuff
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
       - run: |
-          echo "Contents of: $$GITHUB_ENV"
+          echo "Contents of: $GITHUB_ENV"
           cat $GITHUB_ENV
 
       # Finally, run the pre-commit hook
       - run: ./.pre-commit/pre-commit
-        env:
-          CARGO_INCREMENTAL: 1

From e45f6cc4fa8d1c08eac468cbc414575e714c036d Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Tue, 5 Aug 2025 00:04:09 +0300
Subject: [PATCH 35/44] WIP

---
 .github/workflows/pre-commit.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index f23c57b0..5a35a6da 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -44,7 +44,7 @@ jobs:
           components: rustfmt, clippy
           cache-shared-key: v2-${{ github.repository_id }}-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml', '**/build.rs') }}
           cache-directories: |
-            ~/.cache/sccache
+            $HOME/.cache/sccache
 
       # Print cache key
       - name: Print cache key

From 5ade59d5cdcd4abf061d3b1a52db2f34e12e83ce Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Tue, 5 Aug 2025 00:48:00 +0300
Subject: [PATCH 36/44] WIP

---
 .github/workflows/pre-commit.yml | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 5a35a6da..c671d8ab 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -42,13 +42,9 @@ jobs:
           toolchain: nightly-2025-01-06, stable
           override: true
           components: rustfmt, clippy
-          cache-shared-key: v2-${{ github.repository_id }}-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml', '**/build.rs') }}
+          cache-shared-key: v3-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml', '**/build.rs') }}
           cache-directories: |
-            $HOME/.cache/sccache
-
-      # Print cache key
-      - name: Print cache key
-        run: echo "v2-${{ github.repository_id }}-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml', '**/build.rs') }}"
+            ~/.cache/sccache
 
       # Install Rust tools
       #
@@ -69,11 +65,16 @@ jobs:
       - name: Install NPM stuff from helpers/npm-install-g.txt
         run: ./helpers/npm-install-g.sh
 
-      # Just print some versions & stuff
+      # Print stable,nightly versions
       - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
-      - run: |
-          echo "Contents of: $GITHUB_ENV"
-          cat $GITHUB_ENV
 
       # Finally, run the pre-commit hook
-      - run: ./.pre-commit/pre-commit
+      - run: |
+          echo $RUSTC_WRAPPER
+          echo $SCCACHE_DIR
+          echo "Running pre-commit hook..."
+          ./.pre-commit/pre-commit
+
+      # Show sccache stats
+      - name: Show sccache stats
+        run: sccache --show-stats

From cde97ca848cf45845ec92f15f18133afc6bbbacf Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Tue, 5 Aug 2025 01:09:30 +0300
Subject: [PATCH 37/44] WIP

---
 .github/workflows/pre-commit.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index c671d8ab..a6851a61 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -42,7 +42,7 @@ jobs:
           toolchain: nightly-2025-01-06, stable
           override: true
           components: rustfmt, clippy
-          cache-shared-key: v3-${{ runner.os }}-${{ hashFiles('**/Cargo.lock', 'rust-toolchain.toml', '**/build.rs') }}
+          cache-shared-key: v4-${{ hashFiles('**/build.rs') }}
           cache-directories: |
             ~/.cache/sccache
 

From bc318b243d9f16a1865a6ef040955be1ffcc8152 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Tue, 5 Aug 2025 12:55:13 +0300
Subject: [PATCH 38/44] WIP

---
 .pre-commit/.just | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.pre-commit/.just b/.pre-commit/.just
index 3f6081f1..dd90d707 100644
--- a/.pre-commit/.just
+++ b/.pre-commit/.just
@@ -32,7 +32,7 @@ check-container-runtime:
     # We of course assume the (test) code is written in a
     # container runtime agnostic way but this will require some
     # investigation, so:
-    # TODO: https://github.com/Talus-Network/nexus-sdk/issues/262
+    # NOTE: https://github.com/Talus-Network/nexus-sdk/issues/262
 
     runtimes=(docker podman) # colima etc ...
     check_commands=(

From 7d9ad26cc9d51ab901c8e80c7d493a0265c099e0 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Tue, 5 Aug 2025 13:22:06 +0300
Subject: [PATCH 39/44] WIP

---
 .github/workflows/pre-commit.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index a6851a61..654a384e 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -44,7 +44,7 @@ jobs:
           components: rustfmt, clippy
           cache-shared-key: v4-${{ hashFiles('**/build.rs') }}
           cache-directories: |
-            ~/.cache/sccache
+            /home/runner/.cache/sccache
 
       # Install Rust tools
       #

From ac5ad6c6ec7ebb19f28cb90edcc5dce88ecc4d78 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Tue, 5 Aug 2025 13:42:15 +0300
Subject: [PATCH 40/44] WIP

---
 .github/workflows/pre-commit.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 654a384e..cd835cd4 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -44,7 +44,7 @@ jobs:
           components: rustfmt, clippy
           cache-shared-key: v4-${{ hashFiles('**/build.rs') }}
           cache-directories: |
-            /home/runner/.cache/sccache
+            ${{ env.HOME }}/.cache/sccache
 
       # Install Rust tools
       #

From 7c8c000b43b6c36d12e72481e964b7c3de851fa7 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Tue, 5 Aug 2025 14:06:54 +0300
Subject: [PATCH 41/44] WIP

---
 .github/workflows/pre-commit.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index cd835cd4..654a384e 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -44,7 +44,7 @@ jobs:
           components: rustfmt, clippy
           cache-shared-key: v4-${{ hashFiles('**/build.rs') }}
           cache-directories: |
-            ${{ env.HOME }}/.cache/sccache
+            /home/runner/.cache/sccache
 
       # Install Rust tools
       #

From 96ed9725a10361312c7d3bfb31e010c4c26ef187 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Wed, 6 Aug 2025 23:57:02 +0300
Subject: [PATCH 42/44] WIP

---
 .github/workflows/pre-commit.yml        | 80 ---------------------
 .github/workflows/pre-commit_(PR).yml   | 95 +++++++++++++++++++++++++
 .github/workflows/pre-commit_(main).yml | 87 ++++++++++++++++++++++
 3 files changed, 182 insertions(+), 80 deletions(-)
 delete mode 100644 .github/workflows/pre-commit.yml
 create mode 100644 .github/workflows/pre-commit_(PR).yml
 create mode 100644 .github/workflows/pre-commit_(main).yml

diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
deleted file mode 100644
index 654a384e..00000000
--- a/.github/workflows/pre-commit.yml
+++ /dev/null
@@ -1,80 +0,0 @@
-# GitHub workflow to run the pre-commit hook.
-
-name: Pre-commit hook
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# NOTE: The following values seem to be a fix for OOM, in case they are needed again.
-#
-#   RUST_CACHE_VERBOSE: true
-#   CARGO_BUILD_JOBS: 1
-#   CARGO_INCREMENTAL: 0
-#   RUSTFLAGS: >
-#     -C codegen-units=1
-#
-# but we have reverted CARGO_INCREMENTAL to 1 to speed up builds.
-env:
-  RUST_CACHE_VERBOSE: true
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 1 # NOTE: unfortunately this does not propagate to steps below.
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-
-jobs:
-  run-pre-commit:
-    name: Run pre-commit hook
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      # Install Rust
-      #
-      # See: https://github.com/actions-rust-lang/setup-rust-toolchain
-      # Note that it can handle the Rust cache automatically (via Swatinem/rust-cache).
-      - name: Install Rust and setup Rust cache
-        uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
-        with:
-          toolchain: nightly-2025-01-06, stable
-          override: true
-          components: rustfmt, clippy
-          cache-shared-key: v4-${{ hashFiles('**/build.rs') }}
-          cache-directories: |
-            /home/runner/.cache/sccache
-
-      # Install Rust tools
-      #
-      # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
-      - name: Install Rust tools
-        uses: taiki-e/install-action@v2
-        with:
-          tool: sccache,cargo-binstall,just,cargo-nextest,typos
-
-      # Enable sccache
-      - name: Enable sccache
-        run: |
-          echo "export RUSTC_WRAPPER=$(command -v sccache)" >> $GITHUB_ENV
-          echo "export SCCACHE_DIR=~/.cache/sccache" >> $GITHUB_ENV
-
-
-      # Install NPM stuff from helpers/npm-install-g.txt
-      - name: Install NPM stuff from helpers/npm-install-g.txt
-        run: ./helpers/npm-install-g.sh
-
-      # Print stable,nightly versions
-      - run: cargo +stable --version && cargo +nightly-2025-01-06 --version
-
-      # Finally, run the pre-commit hook
-      - run: |
-          echo $RUSTC_WRAPPER
-          echo $SCCACHE_DIR
-          echo "Running pre-commit hook..."
-          ./.pre-commit/pre-commit
-
-      # Show sccache stats
-      - name: Show sccache stats
-        run: sccache --show-stats
diff --git a/.github/workflows/pre-commit_(PR).yml b/.github/workflows/pre-commit_(PR).yml
new file mode 100644
index 00000000..95342c7a
--- /dev/null
+++ b/.github/workflows/pre-commit_(PR).yml
@@ -0,0 +1,95 @@
+name: Pre-commit hook (PR)
+on:
+  pull_request:
+
+# Fix for OOM.
+env:
+  RUST_CACHE_VERBOSE: true
+  CARGO_BUILD_JOBS: 1
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: >
+    -C codegen-units=1
+
+jobs:
+  run-pre-commit:
+    name: Run pre-commit hook (PR branch)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get architecture
+        id: get-arch
+        run: echo "ARCH=$(uname -m)" >> $GITHUB_OUTPUT
+
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Compute cache keys
+        id: cache-keys
+        run: |
+          # `main` branch cache keys
+          echo "MAIN_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
+          echo "MAIN_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-" >> $GITHUB_OUTPUT
+          ## Older key -- Delete once this PR is in main and the cache is updated according to MAIN_CACHE_KEY
+          echo "MAIN_CACHE_RESTORE_KEY0=v6-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-" >> $GITHUB_OUTPUT
+          # `pr` branch cache keys
+          echo "PR_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-PR-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
+          echo "PR_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-PR-" >> $GITHUB_OUTPUT
+          ## Older key -- Delete once this PR is in main and the cache is updated according to PR_CACHE_KEY
+          echo "PR_CACHE_RESTORE_KEY0=v6-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-" >> $GITHUB_OUTPUT
+
+      # Restoring the PR cache takes into account:
+      #
+      #   1. The PR cache itself, which is used to speed up the PR development cycle.
+      #   2. In case the above is missing, the main branch cache, which is used to bootstrap the PR cache.
+      - name: Restore cache (PR)
+        id: cache-restore
+        uses: actions/cache/restore@v4.2.3
+        with:
+          key: ${{ steps.cache-keys.outputs.PR_CACHE_KEY }}
+          restore-keys: |
+            ${{ steps.cache-keys.outputs.PR_CACHE_RESTORE_KEY }}
+            ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY }}
+            ${{ steps.cache-keys.outputs.PR_CACHE_RESTORE_KEY0 }}
+            ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY0 }}
+
+          path: |
+            ~/.cache/sccache
+            ~/.cargo/registry
+            ~/.cargo/git
+            ~/.cargo/bin
+            ~/.cargo/.crates.toml
+            ~/.cargo/.crates2.json
+            ~/work/**/target
+
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
+        with:
+          toolchain: nightly-2025-01-06, stable
+          override: true
+          components: rustfmt, clippy
+          cache: 'false'
+
+      - name: Install Rust tools
+        uses: taiki-e/install-action@v2.57.8
+        with:
+          tool: cargo-binstall,just,cargo-nextest,typos
+
+      - name: Install NPM stuff from helpers/npm-install-g.txt
+        run: ./helpers/npm-install-g.sh
+
+      # Here it is ...
+      - name: Run pre-commit hook
+        run: ./.pre-commit/pre-commit
+
+      - name: Save cache (PR)
+        uses: actions/cache/save@v4.2.3
+        if: ${{ always() }}
+        with:
+          key: ${{ steps.cache-restore.outputs.cache-primary-key }}
+          path: |
+            ~/.cache/sccache
+            ~/.cargo/registry
+            ~/.cargo/git
+            ~/.cargo/bin
+            ~/.cargo/.crates.toml
+            ~/.cargo/.crates2.json
+            ~/work/**/target
diff --git a/.github/workflows/pre-commit_(main).yml b/.github/workflows/pre-commit_(main).yml
new file mode 100644
index 00000000..599d8c79
--- /dev/null
+++ b/.github/workflows/pre-commit_(main).yml
@@ -0,0 +1,87 @@
+name: Pre-commit hook (main)
+on:
+  push:
+    branches:
+      - main
+
+# Fix for OOM.
+env:
+  RUST_CACHE_VERBOSE: true
+  CARGO_BUILD_JOBS: 1
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: >
+    -C codegen-units=1
+
+jobs:
+  run-pre-commit:
+    name: Run pre-commit hook (main branch)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get architecture
+        id: get-arch
+        run: echo "ARCH=$(uname -m)" >> $GITHUB_OUTPUT
+
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Compute cache keys
+        id: cache-keys
+        run: |
+          echo "MAIN_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
+          echo "MAIN_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-" >> $GITHUB_OUTPUT
+          # Older key -- Delete once this PR is in main and the cache is updated according to MAIN_CACHE_KEY
+          echo "MAIN_CACHE_RESTORE_KEY0=v6-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-" >> $GITHUB_OUTPUT
+
+      # Useful docs:
+      #   - https://github.com/actions/cache/blob/main/caching-strategies.md
+      - name: Restore cache (main)
+        id: cache-restore
+        uses: actions/cache/restore@v4.2.3
+        with:
+          key: ${{ steps.cache-keys.outputs.MAIN_CACHE_KEY }}
+          restore-keys: |
+            ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY }}
+            ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY0 }}
+          path: |
+            ~/.cache/sccache
+            ~/.cargo/registry
+            ~/.cargo/git
+            ~/.cargo/bin
+            ~/.cargo/.crates.toml
+            ~/.cargo/.crates2.json
+            ~/work/**/target
+
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
+        with:
+          toolchain: nightly-2025-01-06, stable
+          override: true
+          components: rustfmt, clippy
+          cache: 'false'
+
+      # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
+      - name: Install Rust tools
+        uses: taiki-e/install-action@v2.57.8
+        with:
+          tool: cargo-binstall,just,cargo-nextest,typos
+
+      - name: Install NPM stuff from helpers/npm-install-g.txt
+        run: ./helpers/npm-install-g.sh
+
+      # Here it is ...
+      - name: Run pre-commit hook
+        run: ./.pre-commit/pre-commit
+
+      - name: Save cache (main)
+        uses: actions/cache/save@v4.2.3
+        if: ${{ always() }}
+        with:
+          key: ${{ steps.cache-restore.outputs.cache-primary-key }}
+          path: |
+            ~/.cache/sccache
+            ~/.cargo/registry
+            ~/.cargo/git
+            ~/.cargo/bin
+            ~/.cargo/.crates.toml
+            ~/.cargo/.crates2.json
+            ~/work/**/target

From bae9eaefc418860b0deedb7772f0a08e52cf4806 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 8 Aug 2025 10:28:54 +0300
Subject: [PATCH 43/44] WIP

---
 .github/actions/cache/restore/action.yml      | 30 ++++++++++++
 .github/actions/cache/save/action.yml         | 21 +++++++++
 .../pre-commit/dependencies/action.yml        | 23 +++++++++
 .github/workflows/pre-commit_(PR).yml         | 47 +++----------------
 .github/workflows/pre-commit_(main).yml       | 47 ++++---------------
 5 files changed, 89 insertions(+), 79 deletions(-)
 create mode 100644 .github/actions/cache/restore/action.yml
 create mode 100644 .github/actions/cache/save/action.yml
 create mode 100644 .github/actions/pre-commit/dependencies/action.yml

diff --git a/.github/actions/cache/restore/action.yml b/.github/actions/cache/restore/action.yml
new file mode 100644
index 00000000..609c61cf
--- /dev/null
+++ b/.github/actions/cache/restore/action.yml
@@ -0,0 +1,30 @@
+name: Restore cache
+description: Restore cache using actions/cache/restore
+inputs:
+  key:
+    description: 'An explicit key for restoring the cache'
+    required: true
+  restore-keys:
+    description: 'An ordered multiline string listing the prefix-matched keys, that are used for restoring stale cache if no cache hit occurred for key. Note `cache-hit` returns false in this case.'
+    required: true
+outputs:
+  cache-primary-key:
+    description: 'A resolved cache key for which cache match was attempted'
+    value: ${{ steps.cache-action-restore.outputs.cache-primary-key }}
+
+runs:
+  using: "composite"
+  steps:
+    - id: cache-action-restore
+      uses: actions/cache/restore@v4.2.3
+      with:
+        key: ${{ inputs.key }}
+        restore-keys: ${{ inputs.restore-keys }}
+        path: |
+          ~/.cache/sccache
+          ~/.cargo/registry
+          ~/.cargo/git
+          ~/.cargo/bin
+          ~/.cargo/.crates.toml
+          ~/.cargo/.crates2.json
+          ~/work/**/target
diff --git a/.github/actions/cache/save/action.yml b/.github/actions/cache/save/action.yml
new file mode 100644
index 00000000..caab50cc
--- /dev/null
+++ b/.github/actions/cache/save/action.yml
@@ -0,0 +1,21 @@
+name: Save cache
+description: Save cache using actions/cache/save
+inputs:
+  key:
+    description: 'An explicit key for saving the cache'
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/cache/save@v4.2.3
+      with:
+        key: ${{ inputs.key }}
+        path: |
+          ~/.cache/sccache
+          ~/.cargo/registry
+          ~/.cargo/git
+          ~/.cargo/bin
+          ~/.cargo/.crates.toml
+          ~/.cargo/.crates2.json
+          ~/work/**/target
diff --git a/.github/actions/pre-commit/dependencies/action.yml b/.github/actions/pre-commit/dependencies/action.yml
new file mode 100644
index 00000000..5d939944
--- /dev/null
+++ b/.github/actions/pre-commit/dependencies/action.yml
@@ -0,0 +1,23 @@
+name: Install pre-commit dependencies
+description: Install pre-commit dependencies
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
+      with:
+        toolchain: nightly-2025-01-06, stable
+        override: true
+        components: rustfmt, clippy
+        cache: 'false'
+
+    # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
+    - name: Install Rust tools
+      uses: taiki-e/install-action@v2.57.8
+      with:
+        tool: cargo-binstall,just,cargo-nextest,typos
+
+    - name: Install NPM stuff from helpers/npm-install-g.txt
+      shell: bash
+      run: ./helpers/npm-install-g.sh
diff --git a/.github/workflows/pre-commit_(PR).yml b/.github/workflows/pre-commit_(PR).yml
index 95342c7a..9b92956d 100644
--- a/.github/workflows/pre-commit_(PR).yml
+++ b/.github/workflows/pre-commit_(PR).yml
@@ -10,6 +10,7 @@ env:
   RUSTFLAGS: >
     -C codegen-units=1
 
+
 jobs:
   run-pre-commit:
     name: Run pre-commit hook (PR branch)
@@ -28,13 +29,9 @@ jobs:
           # `main` branch cache keys
           echo "MAIN_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
           echo "MAIN_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-" >> $GITHUB_OUTPUT
-          ## Older key -- Delete once this PR is in main and the cache is updated according to MAIN_CACHE_KEY
-          echo "MAIN_CACHE_RESTORE_KEY0=v6-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-" >> $GITHUB_OUTPUT
-          # `pr` branch cache keys
+          # PR branch cache keys
           echo "PR_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-PR-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
           echo "PR_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-PR-" >> $GITHUB_OUTPUT
-          ## Older key -- Delete once this PR is in main and the cache is updated according to PR_CACHE_KEY
-          echo "PR_CACHE_RESTORE_KEY0=v6-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-" >> $GITHUB_OUTPUT
 
       # Restoring the PR cache takes into account:
       #
@@ -42,54 +39,22 @@ jobs:
       #   2. In case the above is missing, the main branch cache, which is used to bootstrap the PR cache.
       - name: Restore cache (PR)
         id: cache-restore
-        uses: actions/cache/restore@v4.2.3
+        uses: ./.github/actions/cache/restore
         with:
           key: ${{ steps.cache-keys.outputs.PR_CACHE_KEY }}
           restore-keys: |
             ${{ steps.cache-keys.outputs.PR_CACHE_RESTORE_KEY }}
             ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY }}
-            ${{ steps.cache-keys.outputs.PR_CACHE_RESTORE_KEY0 }}
-            ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY0 }}
-
-          path: |
-            ~/.cache/sccache
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            ~/.cargo/.crates.toml
-            ~/.cargo/.crates2.json
-            ~/work/**/target
-
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
-        with:
-          toolchain: nightly-2025-01-06, stable
-          override: true
-          components: rustfmt, clippy
-          cache: 'false'
-
-      - name: Install Rust tools
-        uses: taiki-e/install-action@v2.57.8
-        with:
-          tool: cargo-binstall,just,cargo-nextest,typos
 
-      - name: Install NPM stuff from helpers/npm-install-g.txt
-        run: ./helpers/npm-install-g.sh
+      - name: Install pre-commit dependencies
+        uses: ./.github/actions/pre-commit/dependencies
 
       # Here it is ...
       - name: Run pre-commit hook
         run: ./.pre-commit/pre-commit
 
       - name: Save cache (PR)
-        uses: actions/cache/save@v4.2.3
+        uses: ./.github/actions/cache/save
         if: ${{ always() }}
         with:
           key: ${{ steps.cache-restore.outputs.cache-primary-key }}
-          path: |
-            ~/.cache/sccache
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            ~/.cargo/.crates.toml
-            ~/.cargo/.crates2.json
-            ~/work/**/target
diff --git a/.github/workflows/pre-commit_(main).yml b/.github/workflows/pre-commit_(main).yml
index 599d8c79..88ee2859 100644
--- a/.github/workflows/pre-commit_(main).yml
+++ b/.github/workflows/pre-commit_(main).yml
@@ -27,61 +27,32 @@ jobs:
       - name: Compute cache keys
         id: cache-keys
         run: |
+          # `main` branch cache keys
           echo "MAIN_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
           echo "MAIN_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-" >> $GITHUB_OUTPUT
-          # Older key -- Delete once this PR is in main and the cache is updated according to MAIN_CACHE_KEY
-          echo "MAIN_CACHE_RESTORE_KEY0=v6-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-" >> $GITHUB_OUTPUT
+          # PR branch cache keys
+          echo "PR_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-PR-" >> $GITHUB_OUTPUT
 
-      # Useful docs:
-      #   - https://github.com/actions/cache/blob/main/caching-strategies.md
       - name: Restore cache (main)
         id: cache-restore
-        uses: actions/cache/restore@v4.2.3
+        uses: ./.github/actions/cache/restore
         with:
           key: ${{ steps.cache-keys.outputs.MAIN_CACHE_KEY }}
           restore-keys: |
             ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY }}
             ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY0 }}
-          path: |
-            ~/.cache/sccache
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            ~/.cargo/.crates.toml
-            ~/.cargo/.crates2.json
-            ~/work/**/target
+            ${{ steps.cache-keys.outputs.PR_CACHE_RESTORE_KEY }}
 
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
-        with:
-          toolchain: nightly-2025-01-06, stable
-          override: true
-          components: rustfmt, clippy
-          cache: 'false'
-
-      # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
-      - name: Install Rust tools
-        uses: taiki-e/install-action@v2.57.8
-        with:
-          tool: cargo-binstall,just,cargo-nextest,typos
-
-      - name: Install NPM stuff from helpers/npm-install-g.txt
-        run: ./helpers/npm-install-g.sh
+      - name: Install pre-commit dependencies
+        uses: ./.github/actions/pre-commit/dependencies
 
       # Here it is ...
       - name: Run pre-commit hook
         run: ./.pre-commit/pre-commit
 
+
       - name: Save cache (main)
-        uses: actions/cache/save@v4.2.3
+        uses: ./.github/actions/cache/save
         if: ${{ always() }}
         with:
           key: ${{ steps.cache-restore.outputs.cache-primary-key }}
-          path: |
-            ~/.cache/sccache
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            ~/.cargo/.crates.toml
-            ~/.cargo/.crates2.json
-            ~/work/**/target

From de1289607883340652ca0b385b8f2d76ddca623f Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Fri, 8 Aug 2025 10:52:56 +0300
Subject: [PATCH 44/44] WIP

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ba4e126..7061078e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - CONTRIBUTING.md
 - CODE_OF_CONDUCT.md
-- `pre-commit` hook
+- `pre-commit` hook (also in CI)
 
 ### `nexus-cli`