Add release.sh script

See #17

Author: neiser

release.sh

@@ -0,0 +1,91 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<HELP_USAGE
+Usage:
+  $0 NEW_VERSION
+
+  Tags the master branch with given NEW_VERSION and pushes to upstream.
+  Ensures the current HEAD is master and has no untracked changes.
+HELP_USAGE
+  exit 1
+}
+
+NEW_VERSION=${1:-""}
+if [[ -z "$NEW_VERSION" ]]; then
+  echo "Error: First argument NEW_VERSION must be non-empty"
+  usage
+fi
+
+ERROR_OCCURRED=""
+
+if [[ "$(git rev-parse --abbrev-ref HEAD 2>/dev/null)" != "master" ]]; then
+  echo "Error: The current branch is not master"
+  ERROR_OCCURRED="1"
+fi
+
+if [[ -n "$(git status --porcelain)" ]]; then
+  echo "Error: There are untracked changes. Please commit or stash them before releasing."
+  ERROR_OCCURRED="1"
+fi
+
+TAG_NAME="version-$NEW_VERSION"
+if [[ "$(git tag -l "$TAG_NAME")" == "$TAG_NAME" ]]; then
+  echo "Error: Tag $TAG_NAME already exists locally"
+  ERROR_OCCURRED="1"
+fi
+
+echo "Running mvn verify...(be patient)"
+if ! mvn -q verify >/dev/null; then
+  echo "Error: mvn verify has failed"
+  ERROR_OCCURRED="1"
+fi
+
+REMOTE_TRACKING_REF=$(git for-each-ref --format='%(upstream:short)' "$(git symbolic-ref -q HEAD)" | tr -d "$IFS")
+if [[ -z "${REMOTE_TRACKING_REF/[ ]*\n/}" ]]; then
+  echo "Error: No remote tracking ref found"
+  ERROR_OCCURRED="1"
+fi
+REMOTE_NAME=${REMOTE_TRACKING_REF%/*}
+
+git fetch -q "$REMOTE_NAME" master
+if [[ "$(git rev-list -1 FETCH_HEAD)" != "$(git rev-list -1 master)" ]]; then
+  echo "Error: Upstream is not in sync with local master. Please pull and/or push before releasing."
+  ERROR_OCCURRED="1"
+fi
+
+if git fetch -q "$REMOTE_NAME" $TAG_NAME 2>/dev/null; then
+  echo "Error: Tag $TAG_NAME already exists remotely"
+  ERROR_OCCURRED="1"
+fi
+
+if [[ -n "$ERROR_OCCURRED" ]]; then
+  exit 1
+fi
+
+echo "Releasing version $NEW_VERSION..."
+mvn -q versions:set -DgenerateBackupPoms=false "-DnewVersion=$NEW_VERSION"
+git commit -am "Release version $NEW_VERSION"
+git tag "$TAG_NAME"
+git push "$REMOTE_NAME" "refs/heads/master" "refs/tags/$TAG_NAME"
+
+echo "Updating versions in README and demo pom.xml..."
+
+sed -z -i -f - \
+  README.md \
+  demo/openapi-generator-for-spring-demo-webflux/pom.xml \
+  demo/openapi-generator-for-spring-demo-webmvc/pom.xml \
+  <<SED_SCRIPT
+s~\(\
+[ ]*<dependency>\n\
+[ ]*<groupId>de.qaware.tools.openapi-generator-for-spring</groupId>\n\
+[ ]*<artifactId>openapi-generator-for-spring-starter</artifactId>\n\
+[ ]*<version>\).*\(</version>\)\
+~\1$NEW_VERSION\2~
+SED_SCRIPT
+git commit -am "Use released version in README and demos"
+
+mvn -q versions:set -DgenerateBackupPoms=false -DnextSnapshot=true >/dev/null
+git commit -am "Start development on next version"
+git push "$REMOTE_NAME" "refs/heads/master"