Andrew's git - gitweb.git/blob - contrib/workdir/git-new-workdir

   1#!/bin/sh
   2
   3usage () {
   4        echo "usage:" $@
   5        exit 127
   6}
   7
   8die () {
   9        echo $@
  10        exit 128
  11}
  12
  13if test $# -lt 2 || test $# -gt 3
  14then
  15        usage "$0 <repository> <new_workdir> [<branch>]"
  16fi
  17
  18orig_git=$1
  19new_workdir=$2
  20branch=$3
  21
  22# want to make sure that what is pointed to has a .git directory ...
  23git_dir=$(cd "$orig_git" 2>/dev/null &&
  24  git rev-parse --git-dir 2>/dev/null) ||
  25  die "\"$orig_git\" is not a git repository!"
  26
  27if test "$git_dir" == ".git"
  28then
  29        git_dir="$orig_git/.git"
  30fi
  31
  32# don't link to a workdir
  33if test -L "$git_dir/config"
  34then
  35        die "\"$orig_git\" is a working directory only, please specify" \
  36                "a complete repository."
  37fi
  38
  39# make sure the the links use full paths
  40git_dir=$(cd "$git_dir"; pwd)
  41
  42# create the workdir
  43mkdir -p "$new_workdir/.git" || die "unable to create \"$new_workdir\"!"
  44
  45# create the links to the original repo.  explictly exclude index, HEAD and
  46# logs/HEAD from the list since they are purely related to the current working
  47# directory, and should not be shared.
  48for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache
  49do
  50        case $x in
  51        */*)
  52                mkdir -p "$(dirname "$new_workdir/.git/$x")"
  53                ;;
  54        esac
  55        ln -s "$git_dir/$x" "$new_workdir/.git/$x"
  56done
  57
  58# now setup the workdir
  59cd "$new_workdir"
  60# copy the HEAD from the original repository as a default branch
  61cp "$git_dir/HEAD" .git/HEAD
  62# checkout the branch (either the same as HEAD from the original repository, or
  63# the one that was asked for)
  64git checkout -f $branch