git hook

post-checkout-example

#!/usr/bin/env bash
#!/bin/bash -xv # puts this line in the beginning for debug

# This hook, auto checkout related repo to corresponding branch

# Current branch
branch=$(git symbolic-ref --short HEAD)

# Dependended repos
repos=(dependened_repo_a dependened_repo_b)

working_dir=$(git rev-parse --show-toplevel)

# Check out policy
# Determine target branch
if [[ $branch =~ ^test ]]; then
  target_branch="test"
elif [[ $branch =~ ^master ]]; then
  target_branch="master"
elif [[ $branch =~ ^hotfix ]]; then
  target_branch="release"
elif [[ $branch =~ ^release ]]; then
  target_branch="release"
#else
#  taeget_branch="master"
fi

# Exit if target_branch not set
# if you don't have a default target_branch
if [ -z ${target_branch+x} ]; then
  echo 'target branch empty exited'
  exit 0;
fi

# Check out each repo to corresponding branch
for repo in "${repos[@]}"; do
  # subshell
  repo_dir="$working_dir/../$repo"
  if [ -d $repo_dir ]; then
    echo "checking out $repo to $target_branch ----------------------------"
    (cd $repo_dir && git checkout $target_branch)
    echo "done ------------------------------------------------------------"
  else
    echo "$repo_dir not exists, skipped"
  fi
done

exit 0

TODO:

• Auto stash save , stash pop and git pull
• Supress checkout message 2>&1 > /dev/null