test(hooks): bats suite (33 tests) + CI workflow + 2 hook bugfixes

.github/workflows/hooks-tests.yml

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+# Copyright 2026 ResQ Software
+# SPDX-License-Identifier: Apache-2.0
+#
+# Run the bats suite over the canonical git-hooks shipped from this repo.
+#
+# Decoupled from hooks-sync.yml on purpose so this file can ship in a
+# different PR without merge conflicts.
+
+name: hooks-tests
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'scripts/git-hooks/**'
+      - 'tests/hooks/**'
+      - '.github/workflows/hooks-tests.yml'
+  pull_request:
+    paths:
+      - 'scripts/git-hooks/**'
+      - 'tests/hooks/**'
+      - '.github/workflows/hooks-tests.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  bats:
+    name: bats
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install bats
+        run: |
+          sudo apt-get update -y
+          sudo apt-get install -y bats
+
+      - name: Run hook test suite
+        run: bats tests/hooks/
+
+      - name: Print bats version (diagnostic)
+        if: always()
+        run: bats --version

tests/hooks/commit-msg.bats

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+#!/usr/bin/env bats
+# Conventional Commits validation in the canonical commit-msg hook.
+
+load helpers
+
+setup() {
+    REPO="$(mktemp -d)"
+    init_repo_with_hooks "$REPO"
+    MSG="$REPO/.msg"
+}
+
+teardown() {
+    rm -rf "$REPO"
+}
+
+write_msg() { printf '%s\n' "$1" > "$MSG"; }
+
+@test "accepts feat: subject" {
+    write_msg "feat: add the thing"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -eq 0 ]
+}
+
+@test "accepts feat(scope): subject" {
+    write_msg "feat(api): add /v2/foo"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -eq 0 ]
+}
+
+@test "accepts feat!: breaking change marker" {
+    write_msg "feat!: drop legacy endpoint"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -eq 0 ]
+}
+
+@test "accepts feat(scope)!: breaking with scope" {
+    write_msg "feat(api)!: drop legacy endpoint"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -eq 0 ]
+}
+
+@test "accepts ticket-prefixed message" {
+    write_msg "[ABC-123] feat: add ticket prefix"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -eq 0 ]
+}
+
+@test "rejects unknown type" {
+    write_msg "wat: this is not a type"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -ne 0 ]
+    [[ "$output" == *"Invalid commit message"* ]]
+}
+
+@test "rejects missing subject after type" {
+    write_msg "feat:"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -ne 0 ]
+}
+
+@test "rejects WIP on main" {
+    checkout_branch "$REPO" main
+    write_msg "WIP: still working"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -ne 0 ]
+    [[ "$output" == *"not allowed on main"* ]]
+}
+
+@test "rejects fixup! on master" {
+    checkout_branch "$REPO" master
+    write_msg "fixup! feat: thing"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -ne 0 ]
+}
+
+@test "GIT_HOOKS_SKIP=1 short-circuits even on bad input" {
+    write_msg "garbage that would normally fail"
+    GIT_HOOKS_SKIP=1 run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -eq 0 ]
+}
+
+@test "subject starting with - does not break here-string handling" {
+    # Branch where head: was an `echo $X | grep` ate `-` as flag
+    write_msg "feat: -fix typo in flag handling"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -eq 0 ]
+}
+
+@test "dispatches to local-commit-msg when present and executable" {
+    cat > "$REPO/.git-hooks/local-commit-msg" <<'EOF'
+#!/usr/bin/env bash
+echo "LOCAL_FIRED"
+EOF
+    chmod +x "$REPO/.git-hooks/local-commit-msg"
+    write_msg "feat: trigger local"
+    run run_hook "$REPO" commit-msg "$MSG"
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"LOCAL_FIRED"* ]]
+}

tests/hooks/helpers.bash

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+# shellcheck shell=bash
+# Common helpers for bats tests over the canonical ResQ git hooks.
+#
+# Each test gets a fresh tempdir initialized as a git repo with the canonical
+# hooks copied in. core.hooksPath is set so `git` invokes the hooks naturally.
+
+# Absolute path to the canonical hook templates shipped by this repo.
+HOOK_SRC="${BATS_TEST_DIRNAME}/../../scripts/git-hooks"
+
+# Initialize a fresh git repo in $1 with canonical hooks installed.
+init_repo_with_hooks() {
+    local dir="$1"
+    git -C "$dir" init -q
+    git -C "$dir" -c user.email=t@t.io -c user.name=t commit --allow-empty -m "init" -q
+    mkdir -p "$dir/.git-hooks"
+    cp "$HOOK_SRC"/{pre-commit,commit-msg,prepare-commit-msg,pre-push,post-checkout,post-merge} "$dir/.git-hooks/"
+    chmod +x "$dir/.git-hooks"/*
+    git -C "$dir" config core.hooksPath .git-hooks
+    git -C "$dir" config user.email t@t.io
+    git -C "$dir" config user.name t
+}
+
+# Run a hook directly against a repo: run_hook <repo-dir> <hook-name> [args...]
+run_hook() {
+    local dir="$1" hook="$2"
+    shift 2
+    (cd "$dir" && bash ".git-hooks/$hook" "$@")
+}
+
+# Force-switch to branch <name> (creates if missing). Avoids the fragile
+# `branch -m` || `checkout -b` dance in tests.
+checkout_branch() {
+    local dir="$1" name="$2"
+    git -C "$dir" checkout -q -B "$name"
+    git -C "$dir" symbolic-ref HEAD "refs/heads/$name"
+}
+
+# Make a setup commit without firing the installed hooks.
+# Args: <dir> <message> [extra git-commit args...]
+commit_no_hooks() {
+    local dir="$1" msg="$2"
+    shift 2
+    git -C "$dir" -c "core.hooksPath=" commit --allow-empty -q -m "$msg" "$@"
+}

tests/hooks/post-checkout.bats

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+#!/usr/bin/env bats
+# Lock-file change notices and local dispatch for post-checkout/post-merge.
+
+load helpers
+
+setup() {
+    REPO="$(mktemp -d)"
+    init_repo_with_hooks "$REPO"
+}
+
+teardown() {
+    rm -rf "$REPO"
+}
+
+@test "post-checkout notifies on Cargo.lock change" {
+    PREV=$(git -C "$REPO" rev-parse HEAD)
+    printf 'lock\n' > "$REPO/Cargo.lock"
+    git -C "$REPO" add Cargo.lock
+    git -C "$REPO" -c "core.hooksPath=" commit -q -m "feat: lock"
+    NEW=$(git -C "$REPO" rev-parse HEAD)
+    run run_hook "$REPO" post-checkout "$PREV" "$NEW" 1
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"Cargo.lock changed"* ]]
+}
+
+@test "post-checkout silent when no lockfile changed" {
+    PREV=$(git -C "$REPO" rev-parse HEAD)
+    git -C "$REPO" commit --allow-empty -q -m "feat: nothing"
+    NEW=$(git -C "$REPO" rev-parse HEAD)
+    run run_hook "$REPO" post-checkout "$PREV" "$NEW" 1
+    [ "$status" -eq 0 ]
+    [[ "$output" != *"changed"* ]]
+}
+
+@test "post-checkout dispatches to local-post-checkout" {
+    cat > "$REPO/.git-hooks/local-post-checkout" <<'EOF'
+#!/usr/bin/env bash
+echo "LOCAL_POST_CHECKOUT_RAN"
+EOF
+    chmod +x "$REPO/.git-hooks/local-post-checkout"
+    PREV=$(git -C "$REPO" rev-parse HEAD)
+    commit_no_hooks "$REPO" "x"
+    NEW=$(git -C "$REPO" rev-parse HEAD)
+    run run_hook "$REPO" post-checkout "$PREV" "$NEW" 1
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"LOCAL_POST_CHECKOUT_RAN"* ]]
+}
+
+@test "GIT_HOOKS_SKIP=1 short-circuits post-checkout" {
+    cat > "$REPO/.git-hooks/local-post-checkout" <<'EOF'
+#!/usr/bin/env bash
+echo "SHOULD_NOT_RUN"
+EOF
+    chmod +x "$REPO/.git-hooks/local-post-checkout"
+    PREV=$(git -C "$REPO" rev-parse HEAD)
+    commit_no_hooks "$REPO" "x"
+    NEW=$(git -C "$REPO" rev-parse HEAD)
+    GIT_HOOKS_SKIP=1 run run_hook "$REPO" post-checkout "$PREV" "$NEW" 1
+    [ "$status" -eq 0 ]
+    [[ "$output" != *"SHOULD_NOT_RUN"* ]]
+}

tests/hooks/pre-commit.bats

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+#!/usr/bin/env bats
+# Soft-skip + local dispatch behavior in the canonical pre-commit hook.
+# (The full `resq pre-commit` checks are exercised by resq-cli's own tests;
+# here we verify wiring only.)
+
+load helpers
+
+setup() {
+    REPO="$(mktemp -d)"
+    init_repo_with_hooks "$REPO"
+}
+
+teardown() {
+    rm -rf "$REPO"
+}
+
+@test "soft-skip with hint when resq is missing" {
+    # Run with PATH that excludes any resq + override $HOME to a clean dir
+    # so ~/.cargo/bin/resq isn't found either.
+    EMPTY="$(mktemp -d)"
+    PATH="/usr/bin:/bin" HOME="$EMPTY" run bash -c "cd '$REPO' && bash .git-hooks/pre-commit"
+    rm -rf "$EMPTY"
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"resq not found"* ]]
+}
+
+@test "GIT_HOOKS_SKIP=1 short-circuits before the resq lookup" {
+    EMPTY="$(mktemp -d)"
+    GIT_HOOKS_SKIP=1 PATH="/usr/bin:/bin" HOME="$EMPTY" run bash -c "cd '$REPO' && bash .git-hooks/pre-commit"
+    rm -rf "$EMPTY"
+    [ "$status" -eq 0 ]
+    [[ "$output" != *"resq not found"* ]]
+}
+
+@test "dispatches to local-pre-commit even when resq is missing" {
+    cat > "$REPO/.git-hooks/local-pre-commit" <<'EOF'
+#!/usr/bin/env bash
+echo "LOCAL_PRE_COMMIT_RAN"
+EOF
+    chmod +x "$REPO/.git-hooks/local-pre-commit"
+    EMPTY="$(mktemp -d)"
+    PATH="/usr/bin:/bin" HOME="$EMPTY" run bash -c "cd '$REPO' && bash .git-hooks/pre-commit"
+    rm -rf "$EMPTY"
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"LOCAL_PRE_COMMIT_RAN"* ]]
+}

tests/hooks/pre-push.bats

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+#!/usr/bin/env bats
+# Branch naming, force-push guard, stdin propagation in the canonical pre-push hook.
+
+load helpers
+
+setup() {
+    REPO="$(mktemp -d)"
+    init_repo_with_hooks "$REPO"
+}
+
+teardown() {
+    rm -rf "$REPO"
+}
+
+# Generates a fake "git push" stdin line for one ref.
+# Args: local_ref local_sha remote_ref remote_sha
+push_line() { printf '%s %s %s %s\n' "$1" "$2" "$3" "$4"; }
+
+@test "accepts feat/ branch name" {
+    git -C "$REPO" checkout -q -b feat/add-thing
+    run bash -c "cd '$REPO' && bash .git-hooks/pre-push origin git@example </dev/null"
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"Pre-push checks passed"* ]]
+}
+
+@test "rejects bad branch name" {
+    git -C "$REPO" checkout -q -b nope/bad-prefix
+    run bash -c "cd '$REPO' && bash .git-hooks/pre-push origin git@example </dev/null"
+    [ "$status" -ne 0 ]
+    [[ "$output" == *"does not follow naming convention"* ]]
+}
+
+@test "skips check on main" {
+    checkout_branch "$REPO" main
+    run bash -c "cd '$REPO' && bash .git-hooks/pre-push origin git@example </dev/null"
+    [ "$status" -eq 0 ]
+}
+
+@test "skips check on changeset-release/* branches" {
+    git -C "$REPO" checkout -q -b changeset-release/main
+    run bash -c "cd '$REPO' && bash .git-hooks/pre-push origin git@example </dev/null"
+    [ "$status" -eq 0 ]
+}
+
+@test "GIT_HOOKS_SKIP=1 short-circuits" {
+    git -C "$REPO" checkout -q -b nope/bad
+    GIT_HOOKS_SKIP=1 run bash -c "cd '$REPO' && bash .git-hooks/pre-push origin git@example </dev/null"
+    [ "$status" -eq 0 ]
+}
+
+@test "local-pre-push receives the push refs on stdin" {
+    git -C "$REPO" checkout -q -b feat/x
+    cat > "$REPO/.git-hooks/local-pre-push" <<'EOF'
+#!/usr/bin/env bash
+# Echo what's on stdin so the test can verify propagation.
+echo "LOCAL_STDIN_BEGIN"
+cat
+echo "LOCAL_STDIN_END"
+EOF
+    chmod +x "$REPO/.git-hooks/local-pre-push"
+
+    LINE="$(push_line refs/heads/feat/x abc1234 refs/heads/feat/x def5678)"
+    run bash -c "cd '$REPO' && printf '%s\n' '$LINE' | bash .git-hooks/pre-push origin git@example"
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"LOCAL_STDIN_BEGIN"* ]]
+    [[ "$output" == *"$LINE"* ]]
+    [[ "$output" == *"LOCAL_STDIN_END"* ]]
+}
+
+@test "force push to main is rejected" {
+    checkout_branch "$REPO" main
+    # local sha (HEAD) and a fake remote sha that isn't an ancestor → force push.
+    LOCAL=$(git -C "$REPO" rev-parse HEAD)
+    REMOTE="0000000000000000000000000000000000000001"  # arbitrary non-zero sha
+    LINE="$(push_line refs/heads/main "$LOCAL" refs/heads/main "$REMOTE")"
+    run bash -c "cd '$REPO' && printf '%s\n' '$LINE' | bash .git-hooks/pre-push origin git@example"
+    [ "$status" -ne 0 ]
+    [[ "$output" == *"Force push"* ]]
+}
+
+@test "fast-forward push to main is allowed" {
+    checkout_branch "$REPO" main
+    OLD=$(git -C "$REPO" rev-parse HEAD)
+    commit_no_hooks "$REPO" "feat: more"
+    NEW=$(git -C "$REPO" rev-parse HEAD)
+    LINE="$(push_line refs/heads/main "$NEW" refs/heads/main "$OLD")"
+    run bash -c "cd '$REPO' && printf '%s\n' '$LINE' | bash .git-hooks/pre-push origin git@example"
+    [ "$status" -eq 0 ]
+}
+
+@test "branch starting with - does not break grep here-string handling" {
+    # `git checkout -b -foo` is rejected by git itself, so we target the
+    # naming-convention check only — the regex must handle a `-` safely.
+    # Use a name that begins with a normal prefix but contains tricky chars.
+    git -C "$REPO" checkout -q -b "feat/-leading-dash"
+    run bash -c "cd '$REPO' && bash .git-hooks/pre-push origin git@example </dev/null"
+    [ "$status" -eq 0 ]
+}