Merge pull request #36 from easimon/fix/ownership-of-github-workspace

fix: test build mount set to parent of current workspace

.github/workflows/test.yaml

@@ -30,6 +30,31 @@ jobs:
  with:
  build-mount-path: /var/lib/docker/tmp
 
+ test-mount-parent-of-workspace:
+ name: Test mounting the parent of GITHUB_WORKSPACE
+ runs-on: ubuntu-latest
+ steps:
+ - name: Check out Maximize Build Space action
+ uses: actions/checkout@v4
+ with:
+ path: ./.github/actions/maximize-test
+
+ - name: Calculate parent of workspace
+ id: workspace-parent
+ run: echo "parent=$(dirname "${GITHUB_WORKSPACE}")" >> "$GITHUB_OUTPUT"
+
+ - name: Maximize build space
+ uses: ./.github/actions/maximize-test
+ with:
+ build-mount-path: ${{ steps.workspace-parent.outputs.parent }}
+
+ - name: Create file in build folder as runner user (test ownership)
+ run: |
+ mkdir -p ${{ steps.workspace-parent.outputs.parent }}/new
+ touch ${{ steps.workspace-parent.outputs.parent }}/new/file.txt
+ touch ${GITHUB_WORKSPACE}/file.txt
+ ls -alR ${{ steps.workspace-parent.outputs.parent }}
+
  determine-free-space:
  name: Determine free space with different settings
  runs-on: ${{ matrix.os }}

action.yml

@@ -111,6 +111,9 @@ runs:
  fi
  echo
 
+ # store owner of $GITHUB_WORKSPACE in case the action deletes it
+ WORKSPACE_OWNER="$(stat -c '%U:%G' "${GITHUB_WORKSPACE}")"
+
  # ensure mount path exists before the action
  sudo mkdir -p "${BUILD_MOUNT_PATH}"
  sudo find "${BUILD_MOUNT_PATH}" -maxdepth 0 ! -empty -exec echo 'WARNING: directory [{}] is not empty, data loss might occur. Content:' \; -exec ls -al "{}" \;
@@ -182,8 +185,11 @@ runs:
  sudo mount "/dev/mapper/${VG_NAME}-buildlv" "${BUILD_MOUNT_PATH}"
  sudo chown -R "${{ inputs.build-mount-path-ownership }}" "${BUILD_MOUNT_PATH}"
 
- # if build mount path is a parent of $GITHUB_WORKSPACE, recreate it
- sudo mkdir -p "${GITHUB_WORKSPACE}"
+ # if build mount path is a parent of $GITHUB_WORKSPACE, and has been deleted, recreate it
+ if [[ ! -d "${GITHUB_WORKSPACE}" ]]; then
+ sudo mkdir -p "${GITHUB_WORKSPACE}"
+ sudo chown -R "${WORKSPACE_OWNER}" "${GITHUB_WORKSPACE}"
+ fi
 
  - name: Disk space report after modification
  shell: bash