13 if test $# -lt 2 || test $# -gt 3
15 usage "$0 <repository> <new_workdir> [<branch>]"
22 # want to make sure that what is pointed to has a .git directory ...
23 git_dir=$(cd "$orig_git" 2>/dev/null &&
24 git rev-parse --git-dir 2>/dev/null) ||
25 die "\"$orig_git\" is not a git repository!"
29 git_dir="$orig_git/.git"
36 # don't link to a workdir
37 if test -L "$git_dir/config"
39 die "\"$orig_git\" is a working directory only, please specify" \
40 "a complete repository."
43 # make sure the the links use full paths
44 git_dir=$(cd "$git_dir"; pwd)
47 mkdir -p "$new_workdir/.git" || die "unable to create \"$new_workdir\"!"
49 # create the links to the original repo. explictly exclude index, HEAD and
50 # logs/HEAD from the list since they are purely related to the current working
51 # directory, and should not be shared.
52 for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache
56 mkdir -p "$(dirname "$new_workdir/.git/$x")"
59 ln -s "$git_dir/$x" "$new_workdir/.git/$x"
62 # now setup the workdir
64 # copy the HEAD from the original repository as a default branch
65 cp "$git_dir/HEAD" .git/HEAD
66 # checkout the branch (either the same as HEAD from the original repository, or
67 # the one that was asked for)
68 git checkout -f $branch