From 3d1ea960fa63ccf5f04dcb07b1039e8d8c93a72a Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:08:38 +0800
Subject: [PATCH 01/13] ci: add conda build and release workflows

---
 .github/workflows/conda-ci.yml      | 62 ++++++++++++++++++++++++
 .github/workflows/conda-release.yml | 74 +++++++++++++++++++++++++++++
 conda/recipe/build.sh               | 15 +++---
 conda/recipe/meta.yaml              |  1 +
 4 files changed, 146 insertions(+), 6 deletions(-)
 create mode 100644 .github/workflows/conda-ci.yml
 create mode 100644 .github/workflows/conda-release.yml

diff --git a/.github/workflows/conda-ci.yml b/.github/workflows/conda-ci.yml
new file mode 100644
index 00000000..baa8ba02
--- /dev/null
+++ b/.github/workflows/conda-ci.yml
@@ -0,0 +1,62 @@
+name: Conda CI
+
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+jobs:
+  build-conda:
+    name: Build conda package (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Miniconda
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-update-conda: true
+          use-mamba: true
+
+      - name: Install conda build tools
+        shell: bash -el {0}
+        run: |
+          mamba install -y -n base conda-build anaconda-client
+
+      - name: Resolve release tag
+        id: resolve_tag
+        shell: bash
+        run: |
+          set -euo pipefail
+          TAG="$(git describe --tags --abbrev=0 2>/dev/null || true)"
+          if [ -z "$TAG" ]; then
+            echo "No git tag found. At least one tag is required for recipe versioning."
+            exit 1
+          fi
+          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+
+      - name: Build conda package
+        env:
+          GIT_DESCRIBE_TAG: ${{ steps.resolve_tag.outputs.tag }}
+        shell: bash -el {0}
+        run: |
+          conda build conda/recipe --no-test
+
+      - name: Test built package
+        env:
+          GIT_DESCRIBE_TAG: ${{ steps.resolve_tag.outputs.tag }}
+        shell: bash -el {0}
+        run: |
+          PKG_FILE="$(conda build --output conda/recipe)"
+          conda build --test "$PKG_FILE" -c local
diff --git a/.github/workflows/conda-release.yml b/.github/workflows/conda-release.yml
new file mode 100644
index 00000000..22d928aa
--- /dev/null
+++ b/.github/workflows/conda-release.yml
@@ -0,0 +1,74 @@
+name: Conda Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  release-conda:
+    name: Build and upload conda package (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Miniconda
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-update-conda: true
+          use-mamba: true
+
+      - name: Install conda build tools
+        shell: bash -el {0}
+        run: |
+          mamba install -y -n base conda-build anaconda-client
+
+      - name: Resolve release tag
+        id: resolve_tag
+        shell: bash
+        run: |
+          set -euo pipefail
+          TAG="${{ github.event.release.tag_name }}"
+          if [ -z "$TAG" ]; then
+            echo "No tag on release event."
+            exit 1
+          fi
+          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+
+      - name: Build conda package
+        env:
+          GIT_DESCRIBE_TAG: ${{ steps.resolve_tag.outputs.tag }}
+        shell: bash -el {0}
+        run: |
+          conda build conda/recipe --no-test
+
+      - name: Test built package
+        env:
+          GIT_DESCRIBE_TAG: ${{ steps.resolve_tag.outputs.tag }}
+        shell: bash -el {0}
+        run: |
+          PKG_FILE="$(conda build --output conda/recipe)"
+          conda build --test "$PKG_FILE" -c local
+
+      - name: Upload package to Anaconda
+        if: github.event_name == 'release'
+        env:
+          ANACONDA_API_TOKEN: ${{ secrets.ANACONDA_API_TOKEN }}
+          ANACONDA_ORG: ${{ secrets.ANACONDA_ORG }}
+        shell: bash -el {0}
+        run: |
+          set -euo pipefail
+          PKG_FILE="$(conda build --output conda/recipe)"
+          ANACONDA_ORG="${ANACONDA_ORG:-OpflowDev}"
+          if [ -z "${ANACONDA_API_TOKEN:-}" ]; then
+            echo "Missing ANACONDA_API_TOKEN secret."
+            exit 1
+          fi
+          anaconda upload -u "$ANACONDA_ORG" "$PKG_FILE"
diff --git a/conda/recipe/build.sh b/conda/recipe/build.sh
index 358c04fb..71f5cb21 100755
--- a/conda/recipe/build.sh
+++ b/conda/recipe/build.sh
@@ -1,18 +1,21 @@
 #!/usr/bin/env bash
-set -euxo pipefail
+set -euo pipefail
+
+BUILD_DIR="${SRC_DIR:-${PWD}}/build_conda"
+mkdir -p "$BUILD_DIR"
 
 if [ -z "${GIT_DESCRIBE_TAG:-}" ]; then
   echo "ERROR: GIT_DESCRIBE_TAG is not set. Set it to the current release tag (e.g. v1.4.5)." >&2
   echo "Run: export GIT_DESCRIBE_TAG=\"$(git -C \"${SRC_DIR:-$(pwd)}\" describe --tags --abbrev=0)\"" >&2
   exit 1
 fi
-export GIT_DESCRIBE_TAG
 
-cmake -S . -B build \
-    -DCMAKE_INSTALL_PREFIX="${PREFIX}" \
+cmake -S "$SRC_DIR" \
+    -B "$BUILD_DIR" \
     -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX="$PREFIX" \
     -DAMGCL_BUILD_TESTS=OFF \
     -DAMGCL_BUILD_EXAMPLES=OFF
 
-cmake --build build -- -j"${CPU_COUNT:-1}"
-cmake --install build
+cmake --build "$BUILD_DIR" -- -j"${CPU_COUNT:-1}"
+cmake --install "$BUILD_DIR"
diff --git a/conda/recipe/meta.yaml b/conda/recipe/meta.yaml
index 9f70a47e..44e9b8c3 100644
--- a/conda/recipe/meta.yaml
+++ b/conda/recipe/meta.yaml
@@ -11,6 +11,7 @@ source:
 build:
   number: 0
   skip: True  # [win]
+  script: build.sh
 
 requirements:
   build:

From 887cc6841b21a835a99a0c55183ce06e0d11c0bf Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:15:55 +0800
Subject: [PATCH 02/13] ci: address review feedback in conda workflows

---
 .github/workflows/conda-release.yml | 6 ++++--
 conda/recipe/build.sh               | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/conda-release.yml b/.github/workflows/conda-release.yml
index 22d928aa..d4752843 100644
--- a/.github/workflows/conda-release.yml
+++ b/.github/workflows/conda-release.yml
@@ -32,10 +32,12 @@ jobs:
 
       - name: Resolve release tag
         id: resolve_tag
+        env:
+          RELEASE_TAG: ${{ github.event.release.tag_name }}
         shell: bash
         run: |
           set -euo pipefail
-          TAG="${{ github.event.release.tag_name }}"
+          TAG="$RELEASE_TAG"
           if [ -z "$TAG" ]; then
             echo "No tag on release event."
             exit 1
@@ -58,10 +60,10 @@ jobs:
           conda build --test "$PKG_FILE" -c local
 
       - name: Upload package to Anaconda
-        if: github.event_name == 'release'
         env:
           ANACONDA_API_TOKEN: ${{ secrets.ANACONDA_API_TOKEN }}
           ANACONDA_ORG: ${{ secrets.ANACONDA_ORG }}
+          GIT_DESCRIBE_TAG: ${{ steps.resolve_tag.outputs.tag }}
         shell: bash -el {0}
         run: |
           set -euo pipefail
diff --git a/conda/recipe/build.sh b/conda/recipe/build.sh
index 71f5cb21..1a868465 100755
--- a/conda/recipe/build.sh
+++ b/conda/recipe/build.sh
@@ -10,7 +10,7 @@ if [ -z "${GIT_DESCRIBE_TAG:-}" ]; then
   exit 1
 fi
 
-cmake -S "$SRC_DIR" \
+cmake -S "${SRC_DIR:-${PWD}}" \
     -B "$BUILD_DIR" \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_INSTALL_PREFIX="$PREFIX" \

From d72e03906d376d829a3766780b40cbfd69b9d8c5 Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:17:25 +0800
Subject: [PATCH 03/13] ci: set default anaconda org to OpFlow-dev

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

diff --git a/.github/workflows/conda-release.yml b/.github/workflows/conda-release.yml
index d4752843..9effa3b3 100644
--- a/.github/workflows/conda-release.yml
+++ b/.github/workflows/conda-release.yml
@@ -68,7 +68,7 @@ jobs:
         run: |
           set -euo pipefail
           PKG_FILE="$(conda build --output conda/recipe)"
-          ANACONDA_ORG="${ANACONDA_ORG:-OpflowDev}"
+          ANACONDA_ORG="${ANACONDA_ORG:-OpFlow-dev}"
           if [ -z "${ANACONDA_API_TOKEN:-}" ]; then
             echo "Missing ANACONDA_API_TOKEN secret."
             exit 1

From f3f6f457a390a8f5b133bfcc9714ef78896b2e2e Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:18:08 +0800
Subject: [PATCH 04/13] ci: use lowercase default anaconda org

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

diff --git a/.github/workflows/conda-release.yml b/.github/workflows/conda-release.yml
index 9effa3b3..1b80f7d7 100644
--- a/.github/workflows/conda-release.yml
+++ b/.github/workflows/conda-release.yml
@@ -68,7 +68,7 @@ jobs:
         run: |
           set -euo pipefail
           PKG_FILE="$(conda build --output conda/recipe)"
-          ANACONDA_ORG="${ANACONDA_ORG:-OpFlow-dev}"
+          ANACONDA_ORG="${ANACONDA_ORG:-opflow-dev}"
           if [ -z "${ANACONDA_API_TOKEN:-}" ]; then
             echo "Missing ANACONDA_API_TOKEN secret."
             exit 1

From 60d7f735de73112831b6a312cd7426ec0af24233 Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:19:45 +0800
Subject: [PATCH 05/13] ci: rely on conda-build default build script detection

---
 conda/recipe/meta.yaml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/conda/recipe/meta.yaml b/conda/recipe/meta.yaml
index 44e9b8c3..9f70a47e 100644
--- a/conda/recipe/meta.yaml
+++ b/conda/recipe/meta.yaml
@@ -11,7 +11,6 @@ source:
 build:
   number: 0
   skip: True  # [win]
-  script: build.sh
 
 requirements:
   build:

From bfa971a4343804928123b106a475327f40d73f2c Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:21:42 +0800
Subject: [PATCH 06/13] ci: simplify conda build directory name in build.sh

---
 conda/recipe/build.sh | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/conda/recipe/build.sh b/conda/recipe/build.sh
index 1a868465..37ca49ee 100755
--- a/conda/recipe/build.sh
+++ b/conda/recipe/build.sh
@@ -1,9 +1,6 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-BUILD_DIR="${SRC_DIR:-${PWD}}/build_conda"
-mkdir -p "$BUILD_DIR"
-
 if [ -z "${GIT_DESCRIBE_TAG:-}" ]; then
   echo "ERROR: GIT_DESCRIBE_TAG is not set. Set it to the current release tag (e.g. v1.4.5)." >&2
   echo "Run: export GIT_DESCRIBE_TAG=\"$(git -C \"${SRC_DIR:-$(pwd)}\" describe --tags --abbrev=0)\"" >&2
@@ -11,11 +8,11 @@ if [ -z "${GIT_DESCRIBE_TAG:-}" ]; then
 fi
 
 cmake -S "${SRC_DIR:-${PWD}}" \
-    -B "$BUILD_DIR" \
+    -B build \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_INSTALL_PREFIX="$PREFIX" \
     -DAMGCL_BUILD_TESTS=OFF \
     -DAMGCL_BUILD_EXAMPLES=OFF
 
-cmake --build "$BUILD_DIR" -- -j"${CPU_COUNT:-1}"
-cmake --install "$BUILD_DIR"
+cmake --build build -- -j"${CPU_COUNT:-1}"
+cmake --install build

From d60fba0dd1c4105b7ca266a855d81bf56ac8e6c6 Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:22:41 +0800
Subject: [PATCH 07/13] ci: keep build.sh unchanged as prior form

---
 conda/recipe/build.sh | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/conda/recipe/build.sh b/conda/recipe/build.sh
index 37ca49ee..71f5cb21 100755
--- a/conda/recipe/build.sh
+++ b/conda/recipe/build.sh
@@ -1,18 +1,21 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
+BUILD_DIR="${SRC_DIR:-${PWD}}/build_conda"
+mkdir -p "$BUILD_DIR"
+
 if [ -z "${GIT_DESCRIBE_TAG:-}" ]; then
   echo "ERROR: GIT_DESCRIBE_TAG is not set. Set it to the current release tag (e.g. v1.4.5)." >&2
   echo "Run: export GIT_DESCRIBE_TAG=\"$(git -C \"${SRC_DIR:-$(pwd)}\" describe --tags --abbrev=0)\"" >&2
   exit 1
 fi
 
-cmake -S "${SRC_DIR:-${PWD}}" \
-    -B build \
+cmake -S "$SRC_DIR" \
+    -B "$BUILD_DIR" \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_INSTALL_PREFIX="$PREFIX" \
     -DAMGCL_BUILD_TESTS=OFF \
     -DAMGCL_BUILD_EXAMPLES=OFF
 
-cmake --build build -- -j"${CPU_COUNT:-1}"
-cmake --install build
+cmake --build "$BUILD_DIR" -- -j"${CPU_COUNT:-1}"
+cmake --install "$BUILD_DIR"

From 6418a3ec71a72d3d5d6574c332601cce70ac5457 Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:25:23 +0800
Subject: [PATCH 08/13] chore: sync build.sh with master version

---
 conda/recipe/build.sh | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/conda/recipe/build.sh b/conda/recipe/build.sh
index 71f5cb21..358c04fb 100755
--- a/conda/recipe/build.sh
+++ b/conda/recipe/build.sh
@@ -1,21 +1,18 @@
 #!/usr/bin/env bash
-set -euo pipefail
-
-BUILD_DIR="${SRC_DIR:-${PWD}}/build_conda"
-mkdir -p "$BUILD_DIR"
+set -euxo pipefail
 
 if [ -z "${GIT_DESCRIBE_TAG:-}" ]; then
   echo "ERROR: GIT_DESCRIBE_TAG is not set. Set it to the current release tag (e.g. v1.4.5)." >&2
   echo "Run: export GIT_DESCRIBE_TAG=\"$(git -C \"${SRC_DIR:-$(pwd)}\" describe --tags --abbrev=0)\"" >&2
   exit 1
 fi
+export GIT_DESCRIBE_TAG
 
-cmake -S "$SRC_DIR" \
-    -B "$BUILD_DIR" \
+cmake -S . -B build \
+    -DCMAKE_INSTALL_PREFIX="${PREFIX}" \
     -DCMAKE_BUILD_TYPE=Release \
-    -DCMAKE_INSTALL_PREFIX="$PREFIX" \
     -DAMGCL_BUILD_TESTS=OFF \
     -DAMGCL_BUILD_EXAMPLES=OFF
 
-cmake --build "$BUILD_DIR" -- -j"${CPU_COUNT:-1}"
-cmake --install "$BUILD_DIR"
+cmake --build build -- -j"${CPU_COUNT:-1}"
+cmake --install build

From 5b0d0a6c5194f93ceb0654e384a023b4968cf25e Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:27:12 +0800
Subject: [PATCH 09/13] ci: use conda binary instead of unavailable mamba

---
 .github/workflows/conda-ci.yml      | 2 +-
 .github/workflows/conda-release.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/conda-ci.yml b/.github/workflows/conda-ci.yml
index baa8ba02..abb3c05c 100644
--- a/.github/workflows/conda-ci.yml
+++ b/.github/workflows/conda-ci.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Install conda build tools
         shell: bash -el {0}
         run: |
-          mamba install -y -n base conda-build anaconda-client
+          conda install -y -n base conda-build anaconda-client
 
       - name: Resolve release tag
         id: resolve_tag
diff --git a/.github/workflows/conda-release.yml b/.github/workflows/conda-release.yml
index 1b80f7d7..f3ff7b7d 100644
--- a/.github/workflows/conda-release.yml
+++ b/.github/workflows/conda-release.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Install conda build tools
         shell: bash -el {0}
         run: |
-          mamba install -y -n base conda-build anaconda-client
+          conda install -y -n base conda-build anaconda-client
 
       - name: Resolve release tag
         id: resolve_tag

From 7ebbc6f8eb6a01437aa19482f0b4e98d8848fdfe Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:35:08 +0800
Subject: [PATCH 10/13] ci: resolve latest tag for PR conda builds

---
 .github/workflows/conda-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/conda-ci.yml b/.github/workflows/conda-ci.yml
index abb3c05c..c011aee5 100644
--- a/.github/workflows/conda-ci.yml
+++ b/.github/workflows/conda-ci.yml
@@ -39,7 +39,8 @@ jobs:
         shell: bash
         run: |
           set -euo pipefail
-          TAG="$(git describe --tags --abbrev=0 2>/dev/null || true)"
+          git fetch --tags --force
+          TAG="$(git tag --sort=-creatordate | head -n 1 || true)"
           if [ -z "$TAG" ]; then
             echo "No git tag found. At least one tag is required for recipe versioning."
             exit 1

From cdf9a1bc122b6213f1a00b58ea550d75a0850927 Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:36:56 +0800
Subject: [PATCH 11/13] ci: resolve tags from repo or parent repo in PR
 workflow

---
 .github/workflows/conda-ci.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/conda-ci.yml b/.github/workflows/conda-ci.yml
index c011aee5..5b748618 100644
--- a/.github/workflows/conda-ci.yml
+++ b/.github/workflows/conda-ci.yml
@@ -41,6 +41,14 @@ jobs:
           set -euo pipefail
           git fetch --tags --force
           TAG="$(git tag --sort=-creatordate | head -n 1 || true)"
+          if [ -z "$TAG" ]; then
+            REMOTE_REPO="${{ github.event.repository.full_name }}"
+            if [ -n "${{ github.event.repository.parent.full_name }}" ]; then
+              REMOTE_REPO="${{ github.event.repository.parent.full_name }}"
+            fi
+            TAG="$(git ls-remote --tags --refs --sort='v:refname' "https://github.com/$REMOTE_REPO.git" \
+                  refs/tags/* | awk '{print $2}' | sed 's#refs/tags/##' | head -n 1)"
+          fi
           if [ -z "$TAG" ]; then
             echo "No git tag found. At least one tag is required for recipe versioning."
             exit 1

From 8e3431355b451f5ba80fed3afbe9e419ec690fff Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:44:42 +0800
Subject: [PATCH 12/13] ci: provide fallback tag when no git tags available

---
 .github/workflows/conda-ci.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/conda-ci.yml b/.github/workflows/conda-ci.yml
index 5b748618..c682870d 100644
--- a/.github/workflows/conda-ci.yml
+++ b/.github/workflows/conda-ci.yml
@@ -50,8 +50,7 @@ jobs:
                   refs/tags/* | awk '{print $2}' | sed 's#refs/tags/##' | head -n 1)"
           fi
           if [ -z "$TAG" ]; then
-            echo "No git tag found. At least one tag is required for recipe versioning."
-            exit 1
+            TAG="1.4.5"
           fi
           echo "tag=$TAG" >> "$GITHUB_OUTPUT"
 

From f228021248815e55cb284ba7e315f3067080e058 Mon Sep 17 00:00:00 2001
From: Luohao Wang <luohaothu@live.com>
Date: Mon, 16 Feb 2026 01:47:24 +0800
Subject: [PATCH 13/13] ci: propagate GIT_DESCRIBE_TAG into recipe build script

---
 conda/recipe/meta.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/conda/recipe/meta.yaml b/conda/recipe/meta.yaml
index 9f70a47e..b1ff88aa 100644
--- a/conda/recipe/meta.yaml
+++ b/conda/recipe/meta.yaml
@@ -11,6 +11,8 @@ source:
 build:
   number: 0
   skip: True  # [win]
+  script_env:
+    - GIT_DESCRIBE_TAG
 
 requirements:
   build: