feat(build): Create a release from a tag instead of building off a re…

…lease publish event (#596)

.github/workflows/candidate.yml

@@ -0,0 +1,48 @@
+name: Candidate release
+
+on:
+  push:
+    tags:
+    - "v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]+"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-java@v1
+        with:
+          java-version: 8
+      - uses: actions/cache@v1
+        with:
+          path: ~/.gradle
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+      - name: Candidate build
+        env:
+          BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
+          BINTRAY_API_KEY: ${{ secrets.BINTRAY_API_KEY }}
+          GRADLE_OPTS: -Xmx6g -Xms6g -Dorg.gradle.daemon=false
+        run: |
+          ./gradlew -PenablePublishing=true --info -Prelease.disableGitChecks=true -Prelease.useLastTag=true -PbintrayUser="${BINTRAY_USER}" -PbintrayKey="${BINTRAY_API_KEY}" candidate
+      - name: Get the changelog
+        id: get_changelog
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 
+        run: |
+          . .github/workflows/release_info.sh ${{ github.event.repository.name }}
+          echo ::set-output name=CHANGELOG::$(echo -e "${CHANGELOG}")
+          echo ::set-output name=SKIP_RELEASE::${SKIP_RELEASE}
+      - name: Create release
+        if: steps.get_changelog.outputs.SKIP_RELEASE == 'false'
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 
+        with:
+           tag_name: ${{ github.ref }}
+           release_name: ${{ github.event.repository.name }} ${{ github.ref }}
+           body: |
+            ${{ steps.get_changelog.outputs.CHANGELOG }}
+           draft: false
+           prerelease: true

.github/workflows/master.yml

@@ -1,4 +1,4 @@
-name: Fiat master
+name: master
 
 on:
   push:

.github/workflows/pr.yml

@@ -1,4 +1,4 @@
-name: Fiat PR
+name: PR
 
 on: [pull_request]
 

.github/workflows/release.yml

@@ -1,8 +1,9 @@
-name: Fiat release
+name: Release
 
 on:
-  release:
-    types: [published]
+  push:
+    tags:
+    - "v[0-9]+.[0-9]+.[0-9]+"
 
 jobs:
   build:
@@ -18,22 +19,33 @@ jobs:
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
           restore-keys: |
             ${{ runner.os }}-gradle-
-      - name: Candidate build
-        env:
-          BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
-          BINTRAY_API_KEY: ${{ secrets.BINTRAY_API_KEY }}
-          GRADLE_OPTS: -Xmx6g -Xms6g -Dorg.gradle.daemon=false
-        if: github.event.release.prerelease == true && startsWith(github.event.ref, 'version-') != true # skip tags that start with 'version-'
-        run: |
-          ./gradlew -PenablePublishing=true --info -Prelease.disableGitChecks=true -Prelease.useLastTag=true -PbintrayUser="${BINTRAY_USER}" -PbintrayKey="${BINTRAY_API_KEY}" candidate
       - name: Release build
         env:
           BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
           BINTRAY_API_KEY: ${{ secrets.BINTRAY_API_KEY }}
           SPINNAKER_GITHUB_TOKEN: ${{ secrets.SPINNAKER_GITHUB_TOKEN }}
           GRADLE_OPTS: -Xmx6g -Xms6g -Dorg.gradle.daemon=false
-        if: github.event.release.prerelease != true && startsWith(github.event.ref, 'version-') != true # skip tags that start with 'version-'
         run: |
           ./gradlew -PenablePublishing=true --info -Prelease.disableGitChecks=true -Prelease.useLastTag=true -PbintrayUser="${BINTRAY_USER}" -PbintrayKey="${BINTRAY_API_KEY}" final
           sleep 90
           ./gradlew -PenablePublishing=true --info -Prelease.disableGitChecks=true -Prelease.useLastTag=true -PbintrayUser="${BINTRAY_USER}" -PbintrayKey="${BINTRAY_API_KEY}" -Pgithub.token="${SPINNAKER_GITHUB_TOKEN}" bumpDependencies
+      - name: Get the changelog
+        id: get_changelog
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 
+        run: |
+          . .github/workflows/release_info.sh ${{ github.event.repository.name }}
+          echo ::set-output name=CHANGELOG::$(echo -e "${CHANGELOG}")
+          echo ::set-output name=SKIP_RELEASE::${SKIP_RELEASE}
+      - name: Create release
+        if: steps.get_changelog.outputs.SKIP_RELEASE == 'false'
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 
+        with:
+           tag_name: ${{ github.ref }}
+           release_name: ${{ github.event.repository.name }} ${{ github.ref }}
+           body: |
+            ${{ steps.get_changelog.outputs.CHANGELOG }}
+           draft: false
+           prerelease: false

.github/workflows/release_info.sh

@@ -0,0 +1,17 @@
+#!/bin/bash -x
+
+# Only look to the latest release to determine the previous tag -- this allows us to skip unsupported tag formats (like `version-1.0.0`)
+export PREVIOUS_TAG=`curl --silent "https://api.github.com/repos/jonsie/$1/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/'`
+echo "PREVIOUS_TAG=$PREVIOUS_TAG"
+export NEW_TAG=${GITHUB_REF/refs\/tags\//}
+echo "NEW_TAG=$NEW_TAG"
+export CHANGELOG=`git log $NEW_TAG...$PREVIOUS_TAG --oneline`
+echo "CHANGELOG=$CHANGELOG"
+
+#Format the changelog so it's markdown compatible
+CHANGELOG="${CHANGELOG//$'%'/%25}"
+CHANGELOG="${CHANGELOG//$'\n'/%0A}"
+CHANGELOG="${CHANGELOG//$'\r'/%0D}"
+
+# If the previous release tag is the same as this tag the user likely cut a release (and in the process created a tag), which means we can skip the need to create a release
+export SKIP_RELEASE=`[[ "$PREVIOUS_TAG" = "$NEW_TAG" ]] && echo "true" || echo "false"`