#!/bin/bash

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

set -e

# Initialize variables

TAG=""

DRY_RUN=false

# Parse arguments

for arg in "$@"; do

case $arg in

--dry-run)

DRY_RUN=true

;;

*)

# The first non-flag argument is the tag

if [[ ! $arg == --* ]]; then

if [ -z "$TAG" ]; then

TAG=$arg

fi

fi

;;

esac

done

if [ "$DRY_RUN" = true ]; then

echo "DRY RUN: No changes will be pushed to the remote repository."

echo

fi

# 1. Validate input

if [ -z "$TAG" ]; then

echo "Error: No tag specified."

echo "Usage: ./script/tag-release vX.Y.Z [--dry-run]"

exit 1

fi

# Regular expression for semantic versioning (vX.Y.Z or vX.Y.Z-suffix)

if [[ ! $TAG =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-.*)?$ ]]; then

echo "Error: Tag must be in format vX.Y.Z or vX.Y.Z-suffix (e.g., v1.0.0 or v1.0.0-rc1)"

exit 1

fi

# 2. Check current branch

CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)

if [ "$CURRENT_BRANCH" != "main" ]; then

echo "Error: You must be on the 'main' branch to create a release."

echo "Current branch is '$CURRENT_BRANCH'."

exit 1

fi

# 3. Fetch latest from origin

echo "Fetching latest changes from origin..."

git fetch origin main

# 4. Check if the working directory is clean

if ! git diff-index --quiet HEAD --; then

echo "Error: Working directory is not clean. Please commit or stash your changes."

exit 1

fi

# 5. Check if main is up-to-date with origin/main

LOCAL_SHA=$(git rev-parse @)

REMOTE_SHA=$(git rev-parse @{u})

if [ "$LOCAL_SHA" != "$REMOTE_SHA" ]; then

echo "Error: Your local 'main' branch is not up-to-date with 'origin/main'. Please pull the latest changes."

exit 1

fi

echo "✅ Local 'main' branch is up-to-date with 'origin/main'."

# 6. Check if tag already exists

if git tag -l | grep -q "^${TAG}$"; then

echo "Error: Tag ${TAG} already exists locally."

exit 1

fi

if git ls-remote --tags origin | grep -q "refs/tags/${TAG}$"; then

echo "Error: Tag ${TAG} already exists on remote 'origin'."

exit 1

fi

# 7. Confirm release with user

echo

LATEST_TAG=$(git tag --sort=-version:refname | head -n 1)

if [ -n "$LATEST_TAG" ]; then

echo "Current latest release: $LATEST_TAG"

fi

echo "Proposed new release: $TAG"

echo

read -p "Do you want to proceed with the release? (y/n) " -n 1 -r

echo # Move to a new line

if [[ ! $REPLY =~ ^[Yy]$ ]]; then

echo "Release cancelled."

exit 1

fi

echo

# 8. Create the new release tag

if [ "$DRY_RUN" = true ]; then

echo "DRY RUN: Skipping creation of tag $TAG."

else

echo "Creating new release tag: $TAG"

git tag -a "$TAG" -m "Release $TAG"

fi

# 9. Push the new tag to the remote repository

if [ "$DRY_RUN" = true ]; then

echo "DRY RUN: Skipping push of tag $TAG to origin."

else

echo "Pushing tag $TAG to origin..."

git push origin "$TAG"

fi

# 10. Update and push the 'latest-release' tag

if [ "$DRY_RUN" = true ]; then

echo "DRY RUN: Skipping update and push of 'latest-release' tag."

else

echo "Updating 'latest-release' tag to point to $TAG..."

git tag -f latest-release "$TAG"

echo "Pushing 'latest-release' tag to origin..."

git push origin latest-release --force

fi

if [ "$DRY_RUN" = true ]; then

echo "✅ DRY RUN complete. No tags were created or pushed."

else

echo "✅ Successfully tagged and pushed release $TAG."

echo "✅ 'latest-release' tag has been updated."

fi

# 11. Post-release instructions

REPO_URL=$(git remote get-url origin)

REPO_SLUG=$(echo "$REPO_URL" | sed -e 's/.*github.com[:\/]//' -e 's/\.git$//')

cat << EOF

## 🎉 Release $TAG has been initiated!

### Next steps:

1. 📋 Check https://github.com/$REPO_SLUG/releases and wait for the draft release to show up (after the goreleaser workflow completes)

2. ✏️ Edit the new release, delete the existing notes and click the auto-generate button GitHub provides

3. ✨ Add a section at the top calling out the main features

4. 🚀 Publish the release

5. 📢 Post message in #gh-mcp-releases channel in Slack and then share to the other mcp channels

### Resources:

- 📦 Draft Release: https://github.com/$REPO_SLUG/releases/tag/$TAG

The release process is now ready for your review and completion!

EOF