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=$3
  21
  22# want to make sure that what is pointed to has a .git directory ...
  23test -d "$orig_git/.git" || die "\"$orig_git\" is not a git repository!"
  24
  25# don't link to a workdir
  26if test -L "$orig_git/.git/config"
  27then
  28        die "\"$orig_git\" is a working directory only, please specify" \
  29                "a complete repository."
  30fi
  31
  32# make sure the the links use full paths
  33orig_git=$(cd "$orig_git"; pwd)
  34
  35# create the workdir
  36mkdir -p "$new_workdir/.git" || die "unable to create \"$new_workdir\"!"
  37
  38# create the links to the original repo.  explictly exclude index, HEAD and
  39# logs/HEAD from the list since they are purely related to the current working
  40# directory, and should not be shared.
  41for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache
  42do
  43        case $x in
  44        */*)
  45                mkdir -p "$(dirname "$new_workdir/.git/$x")"
  46                ;;
  47        esac
  48        ln -s "$orig_git/.git/$x" "$new_workdir/.git/$x"
  49done
  50
  51# now setup the workdir
  52cd "$new_workdir"
  53# copy the HEAD from the original repository as a default branch
  54cp "$orig_git/.git/HEAD" .git/HEAD
  55# checkout the branch (either the same as HEAD from the original repository, or
  56# the one that was asked for)
  57git checkout -f $branch