Release test (#488)

.github/scripts/create_changelog.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+PREVIOUS_RELEASE=$2 # for testability
+
+# standard bash error handling
+set -o nounset  # treat unset variables as an error and exit immediately.
+set -o errexit  # exit immediately when a command fails.
+set -E          # needs to be set if we want the ERR trap
+set -o pipefail # prevents errors in a pipeline from being masked
+
+RELEASE_TAG=$1
+
+REPOSITORY=${REPOSITORY:-kyma-project/serverless}
+GITHUB_URL=https://api.github.com/repos/${REPOSITORY}
+GITHUB_AUTH_HEADER="Authorization: token ${GITHUB_TOKEN}"
+CHANGELOG_FILE="CHANGELOG.md"
+
+if [ "${PREVIOUS_RELEASE}"  == "" ]
+then
+  PREVIOUS_RELEASE=$(git describe --tags --abbrev=0)
+fi
+
+echo "## What has changed" >> ${CHANGELOG_FILE}
+
+git log ${PREVIOUS_RELEASE}..HEAD --pretty=tformat:"%h" --reverse | while read -r commit
+do
+    COMMIT_AUTHOR=$(curl -H "${GITHUB_AUTH_HEADER}" -sS "${GITHUB_URL}/commits/${commit}" | jq -r '.author.login')
+    if [ "${COMMIT_AUTHOR}" != "kyma-bot" ]; then
+      git show -s ${commit} --format="* %s by @${COMMIT_AUTHOR}" >> ${CHANGELOG_FILE}
+    fi
+done
+
+NEW_CONTRIB=$$.new
+
+join -v2 \
+<(curl -H "${GITHUB_AUTH_HEADER}" -sS "${GITHUB_URL}/compare/$(git rev-list --max-parents=0 HEAD)...${PREVIOUS_RELEASE}" | jq -r '.commits[].author.login' | sort -u) \
+<(curl -H "${GITHUB_AUTH_HEADER}" -sS "${GITHUB_URL}/compare/${PREVIOUS_RELEASE}...HEAD" | jq -r '.commits[].author.login' | sort -u) >${NEW_CONTRIB}
+
+if [ -s ${NEW_CONTRIB} ]
+then
+  echo -e "\n## New contributors" >> ${CHANGELOG_FILE}
+  while read -r user
+  do
+    REF_PR=$(grep "@${user}" ${CHANGELOG_FILE} | head -1 | grep -o " (#[0-9]\+)" || true)
+    if [ -n "${REF_PR}" ] #reference found
+    then
+      REF_PR=" in ${REF_PR}"
+    fi
+    echo "* @${user} made first contribution${REF_PR}" >> ${CHANGELOG_FILE}
+  done <${NEW_CONTRIB}
+fi
+
+echo -e "\n**Full changelog**: https://github.com/$REPOSITORY/compare/${PREVIOUS_RELEASE}...${RELEASE_TAG}" >> ${CHANGELOG_FILE}
+
+# cleanup
+rm ${NEW_CONTRIB} || echo "cleaned up"

.github/workflows/create-release.yaml

@@ -55,11 +55,9 @@ jobs:
           fetch-depth: 0
 
       - name: Create changelog
-        uses: addnab/docker-run-action@3b7e5e2681a0bda95ee4ce0645c28ca1e78ce9ee
-        with:
-          image: githubchangeloggenerator/github-changelog-generator
-          options: -v ${{ github.workspace }}:/usr/local/src/your-app
-          run: github_changelog_generator -u kyma-project -p serverless -t ${{ secrets.GITHUB_TOKEN }} --enhancement-labels kind/feature,area/ci  --bug-labels kind/bug --future-release ${{ github.event.inputs.name }} --unreleased-only --no-author
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: ./.github/scripts/create_changelog.sh ${{ github.event.inputs.name }}
 
       - name: Create draft release
         id: create-draft