rewrite as bash composite action

.github/workflows/test.yml

@@ -1,24 +1,13 @@
-name: "build-test"
-on:
-  - pull_request
-  - push
-
+name: Test
+on: [push, pull_request]
 jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2.1.1
-    - run: |
-        npm install
-        npm run all
   test:
     runs-on: ubuntu-latest
     steps:
-    - name: Set up Go
-      uses: actions/setup-go@v2.1.3
+    - uses: actions/setup-go@v4
       with:
-        go-version: '1.15'
-    - uses: actions/checkout@v2.1.1
+        go-version: stable
+    - uses: actions/checkout@v3
     - uses: ./
     - name: Env
       run: echo $BI_LDFLAGS

action

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+BUILD_HASH=${GITHUB_SHA:-unknown}
+BUILD_TIME_UNIX=$(date +%s)
+BUILD_URL="$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
+
+if [[ $INPUT_RELEASE_VERSION == "" ]]; then
+  TAGS_PREFIX=refs/tags/
+  if [[ $GITUB_REF = "$TAGS_PREFIX*" ]]; then
+    INPUT_RELEASE_VERSION=${GITHUB_REF#$TAGS_PREFIX}
+  elif [ -n "$GITUB_RUN_NUMBER" ]; then
+    INPUT_RELEASE_VERSION=v$GITUB_RUN_NUMBER
+  else
+    INPUT_RELEASE_VERSION=unknown
+  fi
+fi
+
+ldflags=(
+  "-X github.com/daaku/buildinfo.buildHash=$BUILD_HASH"
+  "-X github.com/daaku/buildinfo.buildTimeUnix=$BUILD_TIME_UNIX"
+  "-X github.com/daaku/buildinfo.buildURL=$BUILD_URL"
+  "-X github.com/daaku/buildinfo.releaseVersion=$INPUT_RELEASE_VERSION"
+)
+
+IFS=' ' eval 'joined_ldflags="${ldflags[*]}"'
+echo "BI_LDFLAGS=$joined_ldflags" >> $GITHUB_ENV

action.yml

@@ -5,5 +5,7 @@ inputs:
   release_version:
     description: 'Specify release version to use. Automatically determined if unset.'
 runs:
-  using: 'node12'
-  main: 'dist/index.js'
+  using: composite
+  steps:
+    - run: ${{ github.action_path }}/action
+      shell: bash