#!/bin/sh
usage () {
echo "usage:" $@
exit 127
}
die () {
echo $@
exit 128
}
if test $then
usage "$0 <repository> <new_workdir> [<branch>]"
fi
orig_git=$1
new_workdir=$2
branch=$3
git_dir=$(cd "$orig_git" 2>/dev/null &&
git rev-parse --git-dir 2>/dev/null) ||
die "Not a git repository: \"$orig_git\""
case "$git_dir" in
.git)
git_dir="$orig_git/.git"
;;
.)
git_dir=$orig_git
;;
esac
isbare=$(git --git-dir="$git_dir" config --bool --get core.bare)
if test ztrue = z$isbare
then
die "\"$git_dir\" has core.bare set to true," \
" remove from \"$git_dir/config\" to use $0"
fi
if test -h "$git_dir/config"
then
die "\"$orig_git\" is a working directory only, please specify" \
"a complete repository."
fi
if test -e "$new_workdir"
then
die "destination directory '$new_workdir' already exists."
fi
git_dir=$(cd "$git_dir"; pwd)
mkdir -p "$new_workdir/.git" || die "unable to create \"$new_workdir\"!"
for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache svn
do
case $x in
*/*)
mkdir -p "$(dirname "$new_workdir/.git/$x")"
;;
esac
ln -s "$git_dir/$x" "$new_workdir/.git/$x"
done
cd "$new_workdir"
cp "$git_dir/HEAD" .git/HEAD
git checkout -f $branch