update version information for release (#296)

Signed-off-by: Asra Ali <asraa@google.com>

Signed-off-by: Asra Ali <asraa@google.com>

.github/config-release.yml

@@ -14,4 +14,4 @@ binary: slsa-verifier-{{ .Os }}-{{ .Arch }}
 dir: ./cli/slsa-verifier
 
 ldflags:
-  - "-X version.Version={{ .Version }}"
+  - "-X version.Version={{ .Env.Version }}"

.github/workflows/release.yml

@@ -17,6 +17,20 @@ env:
   ISSUE_REPOSITORY: slsa-framework/slsa-verifier
 
 jobs:
+  # Generate ldflags dynamically.
+  args:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.ldflags.outputs.version }}
+    steps:
+      - id: checkout
+        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # tag=v2.3.4
+        with:
+          fetch-depth: 0
+      - id: ldflags
+        run: |
+          echo "::set-output name=version::$(git describe --tags --always --dirty | cut -c2-)"
+
   builder:
     permissions:
       actions: read # For the detection of GitHub Actions environment.
@@ -27,6 +41,7 @@ jobs:
       go-version: 1.18
       config-file: .github/config-release.yml
       compile-builder: true
+      evaluated-envs: "VERSION:${{needs.args.outputs.version}}"
 
   # In case this fails, e.g. build configuration changes, file an issue in slsa-verifier
   if-failed: