# Env variables and functions for updating git repos

export GIT_COMMITTER_NAME="IOHK"
export GIT_COMMITTER_EMAIL="devops+nix-tools@iohk.io"
export GIT_AUTHOR_NAME="$GIT_COMMITTER_NAME"
export GIT_AUTHOR_EMAIL="$GIT_COMMITTER_EMAIL"

use_ssh_key() {
  sshkey=$1
  if [ -e $sshkey ]
  then
    echo "Authenticating using SSH with $sshkey"
    export GIT_SSH_COMMAND="ssh -i $sshkey -F /dev/null"
  else
    echo "There is no SSH key at $sshkey"
    echo "Git push may not work."
  fi
}

check_staged() {
  if git diff-index --cached --quiet HEAD --; then
    echo "No changes to commit, exiting."
    exit 0
  fi
}