Recursively checkout branches of the same name from a git module and its submodules

git-cor

#!/bin/bash

export SUBDIRECTORY_OK=1
dashless=$(basename "$0" | sed -e 's/-/ /')
OPTIONS_SPEC="$dashless [-p] [branch]

$dashless looks through the issue's commit message and code for for referenced
issues and opens the configured chili project info for them. Use 'git config
chili.url' to configure the root url.
--
p,pull		also pull
"

. "$(git --exec-path)/git-sh-setup"

pull=
branch=$(git symbolic-ref --short HEAD)

echo "$@"

while [ $# -gt 0 ]; do
  opt="$1"
  shift
  case "$opt" in
    -p)	pull=1 ;;
    --)	break ;;
    *) die_with_status 129 "Unexpected option: $opt"
  esac
done

if [ $# -gt 0 ]; then
  branch="$1"
fi

require_work_tree_exists
cd_to_toplevel

export pull branch
git checkout "$branch"
if [ \! -z \"$pull\" ] ; then 
  git pull ;
fi;
git submodule foreach "
  git checkout \"$branch\";
  if [ \! -z \"$pull\" ] ; then 
    git pull ;
  fi;
  :
"
git status