[PATCH] ci: add workflow to mark tags as GitHub releases

[Kamran Alam]

>
> Thank you for the review, Gao Xiang.

I have updated the patch addressing all your feedback:

1. Added "erofs-utils:" prefix to subject
2. Extract release notes from ChangeLog file
3. Build static Linux binaries using Alpine/musl

---
 .github/workflows/release.yml | 121 +++++++++++++++++++++
 1 file changed, 121 insertions(+)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,121 @@
name: Release

on:
  push:
    tags:
      - "*"

permissions:
  contents: write

jobs:
  build-static-linux-musl:
    name: Build static Linux binaries (musl)
    runs-on: ubuntu-latest
    container:
      image: alpine:3.20

    steps:
      - name: Checkout source
        uses: actions/checkout at v4

      - name: Install build dependencies
        run: |
          apk add --no-cache \
            bash \
            build-base \
            autoconf \
            automake \
            libtool \
            lz4-dev \
            zlib-dev \
            fuse-dev \
            musl-dev \
            tar \
            gzip

      - name: Configure and build
        run: |
          ./autogen.sh
          ./configure --enable-static
          make -j"$(getconf _NPROCESSORS_ONLN || echo 2)"

      - name: Create release archive
        env:
          TAG_NAME: ${{ github.ref_name }}
        run: |
          set -e
          archive="erofs-utils-${TAG_NAME}-linux-musl-static.tar.gz"
          mkdir -p dist/bin
          for bin in \
            mkfs/mkfs.erofs \
            fsck/fsck.erofs \
            dump/dump.erofs \
            fuse/erofsfuse \
            mount/mount.erofs; do
            if [ -x "$bin" ]; then
              install -m 0755 "$bin" dist/bin/
            fi
          done
          tar -C dist -czf "$archive" .
          echo "archive=$archive" >> "$GITHUB_OUTPUT"
        id: package

      - name: Upload build artifact
        uses: actions/upload-artifact at v4
        with:
          name: static-linux-musl
          path: ${{ steps.package.outputs.archive }}

  release:
    name: Publish release
    runs-on: ubuntu-latest
    needs: build-static-linux-musl

    steps:
      - name: Checkout source
        uses: actions/checkout at v4

      - name: Download build artifact
        uses: actions/download-artifact at v4
        with:
          name: static-linux-musl
          path: .

      - name: Extract release notes from ChangeLog
        id: changelog
        shell: bash
        run: |
          tag_version="${GITHUB_REF_NAME#v}"
          notes_file="$(mktemp)"

          awk -v ver="$tag_version" '
            $0 ~ "^erofs-utils " {
              if (capture) exit
              if ($0 ~ "^erofs-utils " ver "([[:space:]]|$|\\()") {
                capture=1
                next
              }
            }
            capture && /^ -- / { exit }
            capture { print }
          ' ChangeLog > "$notes_file"

          sed -i '/^[[:space:]]*$/N;/^\n$/D' "$notes_file"

          if [ ! -s "$notes_file" ]; then
            echo "No matching changelog entry found for
${GITHUB_REF_NAME}." > "$notes_file"
          fi

          {
            echo "body<<EOF"
            cat "$notes_file"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Create GitHub release
        uses: softprops/action-gh-release at v2
        with:
          name: ${{ github.ref_name }}
          body: ${{ steps.changelog.outputs.body }}
          files: erofs-utils-${{ github.ref_name }}-linux-musl-static.tar.gz


Signed-off-by: Kamran Alam <kamrankhan0368 at gmail.com>
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