gitvb-is-pickable

#!/usr/bin/env bash
set -e

MAIN_BRANCH="${MAIN_BRANCH:-main}"

# Check if the branch name is provided
if [ $# -ne 1 ]; then
  echo "Usage: $0 <branch-name>"
  exit 1
fi

BRANCH_NAME=$1

# Check out the branch
# git checkout "$BRANCH_NAME" 

# Get the latest commits for the branch and origin/master
# LOCAL_COMMITS=$(git rev-list --count "$BRANCH_NAME" ^"origin/$MAIN_BRANCH")
# REMOTE_COMMITS=$(git rev-list --count "origin/$MAIN_BRANCH" ^"$BRANCH_NAME")
REMOTE_COMMITS=$(git rev-list --count "origin/$MAIN_BRANCH" ^"$BRANCH_NAME")

# Determine if the branch needs rebasing
if [ "$REMOTE_COMMITS" -gt 0 ]; then
  echo ""
  echo "*** Branch '$BRANCH_NAME' needs rebasing on 'origin/$MAIN_BRANCH'. ***"
  echo "      It is $REMOTE_COMMITS commits behind,"
  echo "      run $ gitvb-sync-unpicked $BRANCH_NAME"
  echo "      or $ gitvb-pick-outdated $BRANCH_NAME"
  echo "      or rebase it manually."
  echo ""
  exit 1
else
  echo "Branch '$BRANCH_NAME' is up-to-date with 'origin/$MAIN_BRANCH' or does not need rebasing."
  exit 0
fi