Support targetting a tag specified as input

.github/workflows/release-upload.yaml

@@ -9,33 +9,57 @@ name: Post Release Upload
 # from the IOG cache.
 on:
   workflow_dispatch:
+    inputs:
+      target_tag:
+        description: 'The tag of the release to attach binaries to'
+        default: ''
+        required: false
+        type: string
   release:
     types:
       - published
   push:
     tags:
       - '**'
 env:
-  # Only to avoid some repetition
-  # TODO SHOULD BE LIKE THIS:
-  # FLAKE_REF: github:${{ github.repository }}/${{ github.ref_name }}
-  FLAKE_REF: github:${{ github.repository }}/6c57ef376ed84fa1d802c49e5aba0f0eac9d2d84
   GH_TOKEN: ${{ github.token }}
 
 jobs:
   wait-for-hydra:
     name: "Wait for hydra check-runs"
     runs-on: ubuntu-latest
     steps:
+    - name: Define target tag (1/2)
+      if: ${{ inputs.target_tag != '' }} # If a tag was specified manually as input, use it
+      run: |
+        echo "TARGET_TAG=${{ inputs.target_tag }}" >> "$GITHUB_ENV"
+    - name: Define target tag (2/2)
+      if: ${{ inputs.target_tag == '' }} # If no tag was specified manually as input
+      run: |
+        current_tag=$(git tag --points-to HEAD | head -n 1)
+        if [[ "$current_tag" != "" ]]
+        then
+          # The workflow runs on a commit that has a tag, use this tag
+          echo "TARGET_TAG=$current_tag" >> "$GITHUB_ENV"
+        fi
+    - name: Check tag is defined
+      if: ${{ env.TARGET_TAG == '' }}
+      run: |
+        echo "The tag to build binaries for is undefined! Either:"
+        echo "- This pipeline should run on a commit that has a tag"
+        echo "- This pipeline should be executed manually and the tag to target should be specified with the 'target_tag' input"
+        exit 1
+    - name: Define FLAKE_REF
+      run: |
+        flake_ref="github:${{ github.repository }}/${{ env.TARGET_TAG }}"
+        echo "$flake_ref"
+        echo "FLAKE_REF=$flake_ref" >> "$GITHUB_ENV"
     - name: Get specific check run status
       timeout-minutes: 120
       run: |
-        while [[ true ]]; do
-          # TODO SHOULD BE LIKE THIS:
-          # conclusion=$(gh api repos/$GITHUB_REPOSITORY/commits/$GITHUB_SHA/check-runs --jq '.check_runs[] | select(.name == "ci/hydra-build:required") | .conclusion')
-          # TODO generalize
+        while true; do
           # When supporting other architectures than Linux, this query should be adapted:
-          conclusion=$(gh api repos/$GITHUB_REPOSITORY/commits/6c57ef376ed84fa1d802c49e5aba0f0eac9d2d84/check-runs --jq '.check_runs[] | select(.name | test("ci/hydra-build:.*-linux.required")) | .conclusion')
+          conclusion=$(gh api "repos/$GITHUB_REPOSITORY/commits/${{ env.TARGET_TAG }}/check-runs" --jq '.check_runs[] | select(.name | test("ci/hydra-build:.*-linux.required")) | .conclusion')
           case "$conclusion" in
             success)
               echo "ci/hydra-build:required succeeded"
@@ -66,16 +90,27 @@ jobs:
             trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
             substituters = https://cache.iog.io/ https://cache.nixos.org/
           nix_path: nixpkgs=channel:nixos-unstable
+      - name: LS
+        run: |
+          ls
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: LS
+        run: |
+          ls
       - name: Display flake metadata
         id: flake-metadata
         run: |
           nix flake metadata ${{ env.FLAKE_REF }}
-          nix flake metadata ${{ env.FLAKE_REF }} --json | jq -r '"LOCKED_URL=\(.url)"' >> "$GITHUB_OUTPUT"
+          nix flake metadata ${{ env.FLAKE_REF }} --json | jq -r '"LOCKED_URL=\(.url)"' >> "$GITHUB_ENV"
       - name: Build
         run: |
           case ${{ matrix.arch }} in
             linux)
-              nix build --builders "" --max-jobs 0 ${{ steps.flake-metadata.outputs.LOCKED_URL }}#cardano-cli:exe:cardano-cli
+              nix build --builders "" --max-jobs 0 ${{ env.LOCKED_URL }}#cardano-cli:exe:cardano-cli
+              tree result/bin
               cp result/bin/cardano-cli cardano-cli-${{ matrix.arch }}
               ;;
             # TODO generalize
@@ -90,31 +125,34 @@ jobs:
             #   tree result
             #   ;;              
           esac
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: ${{ github.sha }}-${{ matrix.arch }}       
           path: cardano-cli-*
           retention-days: 1
 
-  # upload-assets:
-  #   needs: [pull]
-  #   name: "Upload Assets"
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/download-artifact@v3
-  #       with:
-  #         name: ${{ github.sha }}-linux
-  #     - uses: actions/download-artifact@v3
+  upload-assets:
+    needs: [pull]
+    name: "Upload Assets"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: ${{ github.sha }}-linux
+  # TODO generalize
+  #     - uses: actions/download-artifact@v4
   #       with:
   #         name: ${{ github.sha }}-macos
-  #     - uses: actions/download-artifact@v3
+  #     - uses: actions/download-artifact@v4
   #       with:
   #         name: ${{ github.sha }}-win64
-  #     - name: Release
-  #       uses: input-output-hk/action-gh-release@v1
-  #       with:
-  #         draft: true
-  #         files: |
-  #           cardano-node-*-win64.zip
-  #           cardano-node-*-macos.tar.gz
-  #           cardano-node-*-linux.tar.gz
+      - name: Release
+        uses: input-output-hk/action-gh-release@v1
+        with:
+          draft: true
+          tag_name: ${{ env.TARGET_TAG }}
+          files: |
+            # TODO generalize
+            # cardano-cli-*-win64.zip
+            # cardano-cli-*-macos.tar.gz
+            cardano-cli-*-linux.tar.gz