ci: Adapt release script to gears repository

release.sh

@@ -1,93 +1,131 @@
 #!/usr/bin/env bash
+#
+# Prepares the specified library for release. Creates a release branch from the 'main'.
+#
+# Usage: ./release.sh [release-name]
+#   Where `release-name` is: [library-name]-v[version]
+#
+# Example: ./release.sh gears-compose-v1.0.0
+#
+# Original release script: https://github.com/RedMadRobot/android-library-template/blob/main/release.sh
 
 set -euo pipefail
 
 # The script could be run from any directory.
 cd "$(dirname "$0")"
 
+# Handle release input parameter
+release=${1:?Please specify the release to be released as a parameter}
+module=$(./scripts/get-module-name.sh "$release")
+module_path=${module#:} # :gears:gears-compose -> gears:gears-compose
+module_path=${module_path//://} # gears:gears-compose -> gears/gears-compose
+library=${release%-v*} # gears-compose-v1.0.0 -> gears-compose
+
 # Configure the script
-properties="gradle.properties"
-changelog="CHANGELOG.md"
-readme="README.md"
-files_to_update_version=("$properties" "$readme")
+properties="$module_path/gradle.properties"
+changelog="$module_path/CHANGELOG.md"
+readme="$module_path/README.md"
+build_script="$module_path/build.gradle.kts"
+files_to_update_version=("$properties" "$build_script" "$readme")
 github_repository_url="https://github.com/RedMadRobot/gears-android"
 
 #region Utils
-function property {
-  grep "^${1}=" "$properties" | cut -d'=' -f2
+function error() {
+  echo "❌ $1"
+  return 1
+}
+
+function get_current_version() {
+  local version=""
+  if [[ -f $properties ]]; then
+    version=$(grep "^version=" "$properties")
+  fi
+
+  if [[ -z $version && -f $build_script ]]; then
+    version=$(grep "^version = \"" "$build_script")
+  fi
+
+  if [[ -z $version ]]; then
+    error "Can't find current version. Checked locations: $properties, $build_script"
+  fi
+
+  echo "$version" | cut -d'=' -f2 | tr -d ' "'
 }
 
 function replace() {
+  local file=$3
+
   # Escape linebreaks
   local replacement=${2//$'\n'/\\\n}
   # Portable in-place edit.
   # See: https://stackoverflow.com/a/4247319
-  sed -i".bak" -E "s~$1~$replacement~g" "$3"
-  rm "$3.bak"
+  sed -i".bak" -E "s~$1~$replacement~g" "$file"
+  rm "$file.bak"
 }
 
 function diff_link() {
   echo -n "$github_repository_url/compare/${1}...${2}"
 }
 #endregion
 
+# Check if the module exists
+[[ -d $module_path ]] || error "Module '$module' not found on path '$module_path'."
+
 # 0. Fetch remote changes
-echo "️⏳ Updating local repository..."
-git fetch --quiet -p origin
-git switch --quiet main
-git pull --quiet --rebase origin
-echo "✅ Repository updated."
+echo "️⏳ Creating release branch..."
+release_branch="release/$release"
+git checkout --quiet -b "$release_branch"
+git pull --quiet --rebase origin main
+echo "✅ Branch '$release_branch' created"
 echo
 
-# 1. Calculate version values for later
-last_version=$(property "version")
-version=$(date "+%Y.%m.%d")
+# 1. Calculate module and version values for later
+last_version=$(get_current_version)
+version=${release##*-v} # library-v1.0.0 -> 1.0.0
 if [[ "$last_version" == "$version" ]]; then
   echo "🤔 Version $version is already set."
   exit 0
 fi
-echo "🚀 Update $last_version -> $version"
+echo "🚀 [$module] Update $last_version → $version"
 echo
 
 # 2. Update version everywhere
 for file in "${files_to_update_version[@]}" ; do
-  replace "$last_version" "$version" "$file"
-  echo "✅ Updated version in $file"
+  if [[ -f $file ]]; then
+    replace "$last_version" "$version" "$file"
+    echo "✅ Updated version in $file"
+  fi
 done
 
 # 3. Update header in CHANGELOG.md
+date=$(date -u +%Y-%m-%d)
 header_replacement=\
-"## [Unreleased]
-
-### Changes
+"## Unreleased
 
 - *No changes*
 
-## [$version]"
-replace "^## \[Unreleased\].*" "$header_replacement" "$changelog"
+## $version ($date)"
+replace "^## Unreleased.*" "$header_replacement" "$changelog"
 echo "✅ Updated CHANGELOG.md header"
 
-# 4. Add link to version diff
-unreleased_diff_link="[unreleased]: $(diff_link "$version" "main")"
-version_diff_link="[$version]: $(diff_link "$last_version" "$version")"
-replace "^\[unreleased\]:.*" "$unreleased_diff_link\n$version_diff_link" "$changelog"
-echo "✅ Added a diff link to CHANGELOG.md"
-
-# 5. Ask if the changes should be pushed to remote branch
+# 4. Ask if the changes should be pushed to remote branch
 echo
-echo "Do you want to commit the changes and create a release tag?"
-echo "The release tag push will trigger a release workflow on CI."
+echo "Do you want to commit the changes and push the release branch and tag?"
+echo "The release tag push triggers a release workflow on CI."
 read -p " Enter 'yes' to continue: " -r input
 if [[ "$input" != "yes" ]]; then
-  echo "👌 DONE."
+  echo "👌 SKIPPED."
   exit 0
 fi
 
-# 6. Push changes and trigger release on CI
+
+
+# 5. Push changes, trigger release on CI, and give a link to open PR
 echo
 echo "⏳ Pushing the changes to the remote repository..."
-git add "$readme" "$changelog" "$properties"
-git commit --quiet --message "version: $version"
-git tag "$version"
-git push --quiet origin HEAD "$version"
+git add "$readme" "$changelog" "$properties" "$build_script"
+git commit --quiet --message "$library: $version"
+git tag "$release"
+git push --quiet origin HEAD "$release"
 echo "🎉 DONE."
+echo "Create a Pull Request: $(diff_link main "$release_branch")"