Makes workflows/syncsubdeps idempotent.

Uses the commit hash from the deps/*_*/ directories, instead of HEAD.
tommie · Dec 30, 2023 · 3bad195 · 3bad195
1 parent 2cfd4dd
commit 3bad195
Showing 1 changed file with 15 additions and 7 deletions.
diff --git a/.github/workflows/syncsubdeps.yml b/.github/workflows/syncsubdeps.yml
@@ -24,25 +24,33 @@ jobs:
         set -o pipefail
         go work init . $(ls ./deps/*_*/cgo.go | xargs -r dirname)
 
-    - name: Update go.mod
+    - id: info
+      name: Extract Information
       run: |
         set -o pipefail
         submods=(
           $(find deps -maxdepth 2 -type f -name libmanifest | \
               xargs -r dirname | \
               xargs -rn1 basename | \
               while read os_arch; do
-                echo "github.com/${{ github.repository }}/deps/$os_arch@${{ github.sha }}"
+                echo "github.com/${{ github.repository }}/deps/$os_arch"
               done)
         )
-        go get "${submods[@]}"
 
-    - id: info
-      name: Extract Information
-      run: |
-        sha="${{ github.sha }}"
+        # This is the latest commit affecting any file in the submodules.
+        # Thus, this workflow is idempotent.
+        sha="$(git log -n 1 --pretty=format:%H "${submods[@]}")"
+
+        echo "submodules=${submods[*]}" >>"$GITHUB_OUTPUT"
+        echo "sha=$sha" >>"$GITHUB_OUTPUT"
         echo "short-sha=${sha::8}" >>"$GITHUB_OUTPUT"
 
+    - name: Update go.mod
+      run: |
+        sha="${{ steps.info.outputs.sha }}"
+        submods=( $(for submod in ${{ steps.info.outputs.submodules }}; do echo "$submod@$sha" ; done) )
+        go get "${submods[@]}"
+
     - id: create_pr
       name: Create PR
       uses: peter-evans/create-pull-request@v5