Merge branch 'kb/maint-rebase-autosquash'
[git/kirr.git] / contrib / workdir / git-new-workdir
blob75e8b258177f7f04dadcac125f2bf7ebea4d0f81
1 #!/bin/sh
3 usage () {
4 echo "usage:" $@
5 exit 127
8 die () {
9 echo $@
10 exit 128
13 if test $# -lt 2 || test $# -gt 3
14 then
15 usage "$0 <repository> <new_workdir> [<branch>]"
18 orig_git=$1
19 new_workdir=$2
20 branch=$3
22 # want to make sure that what is pointed to has a .git directory ...
23 git_dir=$(cd "$orig_git" 2>/dev/null &&
24 git rev-parse --git-dir 2>/dev/null) ||
25 die "Not a git repository: \"$orig_git\""
27 case "$git_dir" in
28 .git)
29 git_dir="$orig_git/.git"
32 git_dir=$orig_git
34 esac
36 # don't link to a configured bare repository
37 isbare=$(git --git-dir="$git_dir" config --bool --get core.bare)
38 if test ztrue = z$isbare
39 then
40 die "\"$git_dir\" has core.bare set to true," \
41 " remove from \"$git_dir/config\" to use $0"
44 # don't link to a workdir
45 if test -h "$git_dir/config"
46 then
47 die "\"$orig_git\" is a working directory only, please specify" \
48 "a complete repository."
51 # don't recreate a workdir over an existing repository
52 if test -e "$new_workdir"
53 then
54 die "destination directory '$new_workdir' already exists."
57 # make sure the links use full paths
58 git_dir=$(cd "$git_dir"; pwd)
60 # create the workdir
61 mkdir -p "$new_workdir/.git" || die "unable to create \"$new_workdir\"!"
63 # create the links to the original repo. explicitly exclude index, HEAD and
64 # logs/HEAD from the list since they are purely related to the current working
65 # directory, and should not be shared.
66 for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache svn
68 case $x in
69 */*)
70 mkdir -p "$(dirname "$new_workdir/.git/$x")"
72 esac
73 ln -s "$git_dir/$x" "$new_workdir/.git/$x"
74 done
76 # now setup the workdir
77 cd "$new_workdir"
78 # copy the HEAD from the original repository as a default branch
79 cp "$git_dir/HEAD" .git/HEAD
80 # checkout the branch (either the same as HEAD from the original repository, or
81 # the one that was asked for)
82 git checkout -f $branch