release-process-improvements (#10)

Reviewed-on: lxcafe/lxcafe#10

01_prepare_release.sh

@@ -0,0 +1,128 @@
+#!/usr/bin/env bash
+
+set -e
+
+question_answered_with_yes() {
+  local prompt="$1"
+  local ans
+  printf '%b\n  Enter y or n and press Enter,\n  abort with any other key ... [y/N]: ' "$prompt"
+  read -r ans
+  case "$ans" in
+    y|Y) return 0 ;;
+    n|N|"") return 1 ;;
+    *) echo "Aborted."; exit 1 ;;
+  esac
+}
+
+if [ -n "$(git status --porcelain)" ]; then
+    echo "Error: You have uncommitted local changes."
+    echo "Please commit or stash them before releasing."
+    echo ""
+    echo "Uncommitted files:"
+    git status --short
+    exit 1
+fi
+
+echo "Fetching latest changes..."
+git fetch origin
+
+CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
+if [ "$CURRENT_BRANCH" = "main" ]; then
+    echo "Pulling latest from main..."
+    git pull origin main || true
+else
+    echo "Error: You must be on the main branch to create a release."
+    echo "Current branch: $CURRENT_BRANCH"
+    exit 1
+fi
+
+VERSION_FILE="VERSION"
+SCRIPT_FILE="post_installation_script/Nachinstallationsarbeiten_LC_Esslingen_XFCE.sh"
+
+if [ ! -f "$VERSION_FILE" ]; then
+    echo "Error: $VERSION_FILE not found"
+    exit 1
+fi
+
+CURRENT_VERSION=$(cat "$VERSION_FILE" | tr -d '\n')
+
+if [ ! -f "$SCRIPT_FILE" ]; then
+    echo "Error: $SCRIPT_FILE not found"
+    exit 1
+fi
+
+CURRENT_MAJOR=${CURRENT_VERSION#v}
+
+if ! [[ "$CURRENT_VERSION" =~ ^v[0-9]+$ ]]; then
+    echo "Error: Invalid version format in $VERSION_FILE. Expected v0, v1, v2, etc."
+    exit 1
+fi
+
+NEXT_VERSION=$((CURRENT_MAJOR + 1))
+NEXT_VERSION_STR="v$NEXT_VERSION"
+
+RELEASE_BRANCH="release/$NEXT_VERSION_STR"
+
+if git ls-remote --heads origin "$RELEASE_BRANCH" 2>/dev/null | grep -q .; then
+    echo "Error: Branch $RELEASE_BRANCH already exists on remote."
+    exit 1
+fi
+
+if git rev-parse "$RELEASE_BRANCH" >/dev/null 2>&1; then
+    echo "Branch $RELEASE_BRANCH exists locally."
+    if question_answered_with_yes "Delete local branch and continue?"; then
+        git branch -D "$RELEASE_BRANCH"
+    else
+        echo "Release aborted."
+        exit 0
+    fi
+fi
+
+echo "Current version: $CURRENT_VERSION"
+echo "Proposed version: $NEXT_VERSION_STR"
+echo "Release branch: $RELEASE_BRANCH"
+echo ""
+
+if ! question_answered_with_yes "Confirm release version $NEXT_VERSION_STR?"; then
+    echo "Release aborted."
+    exit 0
+fi
+
+echo "Creating release branch $RELEASE_BRANCH..."
+git checkout -b "$RELEASE_BRANCH"
+
+echo "$NEXT_VERSION_STR" > "$VERSION_FILE"
+
+sed -i.bak "s/^SCRIPT_VERSION=.*/SCRIPT_VERSION=\"$NEXT_VERSION_STR\"/" "$SCRIPT_FILE"
+if [ -f "${SCRIPT_FILE}.bak" ]; then
+    rm "${SCRIPT_FILE}.bak"
+fi
+
+git add "$VERSION_FILE" "$SCRIPT_FILE"
+git commit -m "Release $NEXT_VERSION_STR"
+
+echo ""
+echo "Release $NEXT_VERSION_STR prepared on branch $RELEASE_BRANCH."
+if question_answered_with_yes "Push release branch to origin?"; then
+    git push -u origin "$RELEASE_BRANCH"
+    echo ""
+    echo "Branch pushed to origin."
+    echo ""
+    echo "Next steps:"
+    echo "1. Create a PR from $RELEASE_BRANCH to main"
+    echo "   - Via web: Go to your git hosting and create a PR"
+    echo "   - Or: gh pr create --base main --head $RELEASE_BRANCH"
+    echo ""
+    echo "2. After PR is merged, create a tag:"
+    echo "   git checkout main && git pull"
+    echo "   git tag -a $NEXT_VERSION_STR -m \"Release $NEXT_VERSION_STR\""
+    echo "   git push origin $NEXT_VERSION_STR"
+    echo ""
+    echo "3. Gitea will create a release from the tag"
+else
+    echo ""
+    echo "Release prepared locally. Push manually with:"
+    echo "  git push -u origin $RELEASE_BRANCH"
+    echo ""
+    echo "Then create a PR to main via your git hosting."
+fi