submitforkstack.sh

#!/bin/bash
gt bottom > /dev/null

# Check for Graphite CLI
if [ ! -x "$(command -v gt)" ]; then
  echo "This alias requires Graphite CLI (gt), which is not installed. Please install it using the instructions at https://graphite.dev/docs/install-the-cli"
  exit 0
fi

# Check for GitHub CLI
if [ ! -x "$(command -v gh)" ]; then
  echo "This alias requires GitHub CLI (gh), which is not installed. Please install it using the instructions at https://cli.github.com/"
  exit 0
fi

# Check that repository is forked
if [ $(gh repo view --json isFork --jq .isFork) != "true" ]; then
  echo "This command can only be run on a fork of a repository. To submit stacks to a repository directly you need to use 'gt submit'"
  exit 0
fi

# Check for upstream remote
git remote get-url upstream > /dev/null
if [ $? != 0 ] ; then
  echo "To use this command you need to configure an upstream remote. To do this, use 'git remote add upstream https://github.com/someuser/reponame.git', where this is the URL of the original repository that you have forked."
  exit 0
fi

# Get branch names
branches=$(gt ls --stack | cat | awk -F" " '{print $2}' | sed '/main/d' | sed '/master/d')

# Check that the current branch is part of a stack
if [ ! "$branches" ]; then
  echo "To use this command you must first check out a branch that is part of a stack."
  exit 0
fi

# Push commits and create pull requests
for branch in $(echo "$branches"); do
  git switch $branch
  git push --force-with-lease -u origin $branch
  gh pr create --fill
done

# Get commitids
commitids=$(git log --graph --all --oneline --boundary --ancestry-path ...HEAD --pretty=format:"%h"  | awk -F' ' '{print $2}')

# Generate stack text
stack=""
pushids=""
for commitid in $(echo "$commitids"); do
  pushid=$(git ls-remote upstream 'pull/*/head' | grep -e "$commitid" | awk -F/ '{print $3}')
  pushids="$pushids"$'\n'"$pushid"
  stack="$stack"$'\n'"* **#$pushid**"
done

# Loop through the commits and stack messages to PR
for pushid in $(echo "$pushids"); do
  currstack=$(echo "$stack" | sed "s/\* \*\*#$pushid\*\*/* **#$pushid** 👈/")

  message="This is one pull request in a stack... they are all based on top of each other, so the order is important."
  message="$message"$'\n'
  message="$message"$'\n'"The advantage of this approach is that you are guaranteed no conflicts and reviews should be shorter."
  message="$message"$'\n'
  message="$message"$'\n'"Review each patch and merge before you move on to the next, this way, nothing will break and the code will be easier to review."
  message="$message"$'\n'
  message="$message"$'\n'"Start from the bottom (above main) and work your way up the stack until you reach the top."
  message="$message"$'\n'"$currstack"

  msgguid="7A11E7238A7046D7B37B9070B5D0A4A2"
  echo "$message" > $msgguid
  gh pr comment $pushid --body-file $msgguid
  rm $msgguid
done