tagGen

#!/bin/bash

# Exit immediately if a command exits with a non-zero status
set -e

usageHelp() {
    echo "Usage: $0 --repository <repository> [--target-branch <branch>] [--source-dir <dir>] [--target-dir <dir>]"
    echo "  --repository: The GitHub repository in the format 'user/repo'."
    echo "  --target-branch: Optional. The branch to which changes should be pushed. Defaults to 'deployment'."
    echo "  --source-dir: Optional. The directory where files should be stored. Defaults to 'cd'."
    echo "  --target-dir: Optional. The directory or file paths that should be copied to the target-dir. Defaults to '../.temp/**'."
    echo "  example: ./ci/tagGen --repository \${{ github.repository }} --source-dir cd --target-dir .temp/**"
}

# Default values
TARGET_BRANCH="deployment"
SOURCE_DIR="cd/"
TARGET_DIR="../.temp/**"

# Parse arguments
while [[ "$#" -gt 0 ]]; do
    case $1 in
        --repository) REPOSITORY="$2"; shift ;;
        --target-branch) TARGET_BRANCH="$2"; shift ;;
        --source-dir) SOURCE_DIR="$2"; shift ;;
        --target-dir) TARGET_DIR="$2"; shift ;;
        *) usageHelp; exit 1 ;;
    esac
    shift
done

# Check if the repository argument is provided
if [ -z "$REPOSITORY" ]; then
  usageHelp
  exit 1
fi

CURRENT_BRANCH=$(git branch --show-current)
CURRENT_PATH=$(pwd)

# Extract the project name from the REPOSITORY variable
PROJECT_NAME=$(echo "$REPOSITORY" | cut -d'/' -f2)

echo "[TAG-GENERATOR] initializing..."
echo "  REPOSITORY=$REPOSITORY"
echo "  TARGET_BRANCH=$TARGET_BRANCH"
echo "  TARGET_DIR=$TARGET_DIR"
echo "  SOURCE_DIR=$SOURCE_DIR"

git config --global user.name "[TAG-GENERATOR] - deployment"
git config --global user.email "eliasmeireles@gmail.com"

loadingLastCommitInfo() {
   echo "Current branch: $(git branch --show-current)"
   LAST_COMMIT_MSG=$(git log -1 --pretty=%B)
   echo "Last commit message: $LAST_COMMIT_MSG"

   LAST_COMMIT_HASH=$(git rev-parse --short HEAD)
}

git config set advice.skippedCherryPicks false || true

copyingFiles() {
    echo "Copying files from $TARGET_DIR to $SOURCE_DIR"

    mkdir -p ${PROJECT_NAME}/${SOURCE_DIR}/

    cp -r $TARGET_DIR ${PROJECT_NAME}/${SOURCE_DIR}/

    echo "Files in $TARGET_DIR"
    ls -lah "$TARGET_DIR"

    echo "Files in $SOURCE_DIR"
    ls -lah ${PROJECT_NAME}/${SOURCE_DIR}
    cd "$PROJECT_NAME" || exit 1
}

saveUntrackedFiles() {
    git stash || true
}

echo "Loading last commit info"
loadingLastCommitInfo

echo "Cloning repository"
git clone "git@github.com:${REPOSITORY}.git"

TARGET_BRANCH="$TARGET_BRANCH/$CURRENT_BRANCH"

cd "$PROJECT_NAME" || exit 1

git fetch --all

createNewBranch() {
    echo "Creating a new branch: $TARGET_BRANCH"
    git checkout -b "$TARGET_BRANCH"
    git branch --set-upstream-to=origin/"$TARGET_BRANCH" || true
    echo "Branch $TARGET_BRANCH created"
}

# Fetch and switch to the target branch, or create it if it does not exist
git checkout "$TARGET_BRANCH" -f || createNewBranch

#echo "Update local branch with the latest changes from the remote"

# Update local branch with the latest changes from the remote
#git pull --rebase origin "$TARGET_BRANCH" || true

#echo "Rebasing current branch with origin/$CURRENT_BRANCH"

## Rebase with current branch to ensure it’s up-to-date
#git rebase origin/"$CURRENT_BRANCH" || {
#  echo "Rebase conflict detected. Resolving conflicts by keeping local changes."
#  # Resolve conflicts by keeping local changes
#  git rebase --abort
#  git rebase --strategy-option=ours origin/"$CURRENT_BRANCH"
#}

cd ..

echo "Saving untracked files"

copyingFiles

git diff || true

# Create a commit message with user info and link to commit changes
COMMIT_MESSAGE="[${CURRENT_BRANCH}-${LAST_COMMIT_HASH}] Application Deployment
${LAST_COMMIT_MSG}
"
echo "$COMMIT_MESSAGE"

# Add, commit, and push the changes
git add ./"${SOURCE_DIR}"

git commit -m "$COMMIT_MESSAGE" || git commit --allow-empty -m "$COMMIT_MESSAGE"

# Push changes, handle non-fast-forward issues
#git push origin "$TARGET_BRANCH" || (git pull --rebase origin "$TARGET_BRANCH" && git push origin "$TARGET_BRANCH")
git push origin "$TARGET_BRANCH" --force

TAG="${CURRENT_BRANCH}-${LAST_COMMIT_HASH}"
TAG_MESSAGE="${CURRENT_BRANCH}-${LAST_COMMIT_HASH}
- Tag generated by [TAG-GENERATOR] action
${LAST_COMMIT_MSG}
"
echo "$TAG_MESSAGE"

echo "Creating a new tag: $TAG"
git tag -a "$TAG" -m "$TAG_MESSAGE"
git push origin "$TAG"

# Output the tagGen
echo "TAG=$TAG" >> "$GITHUB_ENV"
# Log the generated tagGen name
echo "Generated tag name: $TAG"