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releasing version 0.17
[code/myrepos.git] / lib / git-fake-bare
1 # An example of how to add a new revision control system type to mr.
2 # git fake bare repositories have a detached workspace. One potential
3 # application is storing dotfiles in git, keeping them checked out in
4 # one $HOME, but checked into different git repositories. This file adds
5 # support for them, separate from the normal git support.
6
7 # To make mr use this file, add a line like this inside the [DEFAULT]
8 # section of your ~/.mrconfig
9 #include = cat /usr/share/mr/git-fake-bare
10
11 # And an example repo using it would look something like:
12 #[.dotfiles]
13 #checkout = git_fake_bare_checkout git://... .dotfiles <worktree, eg. ..>
14
15 lib =
16         # git doesn't have an easy way to check out such a repo, so
17         # do it by hand
18         git_fake_bare_checkout() {
19                 url="$1"
20                 repo="$2"
21                 worktree="$3"
22                 git clone --no-checkout "$url" "$repo"
23                 cd "$repo"
24                 mkdir -p "$worktree"
25                 git read-tree HEAD
26                 git checkout-index -a --prefix="$worktree" || true
27                 git config core.worktree "$worktree"
28                 mv .git/* .
29                 rmdir .git
30         }
31
32 git_fake_bare_test = 
33         test -d "$MR_REPO"/refs/heads && test -d "$MR_REPO"/refs/tags &&
34         test -d "$MR_REPO"/objects && test -f "$MR_REPO"/config &&
35         test "$(GIT_CONFIG="$MR_REPO"/config git-config --get core.bare)" = false
36
37 git_fake_bare_update =
38         args="$@"
39         [ -z "$args" ] && args="-t origin master"
40         eval GIT_DIR="$MR_REPO" git pull "$args"
41
42 git_fake_bare_status = git status "$@" || true
43
44 git_fake_bare_commit = error "commit does not work for fake bare git repositories (yet)."
45
46 git_fake_bare_diff = error "diff does not work for fake bare git repositories (yet)."
47
48 git_fake_bare_log = git log "$@"
49
50 git_fake_bare_register = 
51         url="$(LC_ALL=C GIT_CONFIG=config git-config --get remote.origin.url)" || true
52         if [ -z "$url" ]; then
53                 error "cannot determine git url"
54         fi
55         worktree="$(git-config --get core.worktree)" || true
56         if [ -z "$worktree" ]; then
57                 error "git worktree is not set"
58         fi
59         worktree="${worktree%%/}/"
60         if [ ! -d "$worktree" ]; then
61                 error "git worktree $worktree does not exist"
62         fi
63         echo "Registering git url: $url in $MR_CONFIG (with worktree $worktree)"
64         mr -c "$MR_CONFIG" config "`pwd`" \
65                 checkout="git_fake_bare_checkout '$url' '$MR_REPO' '$worktree'"
66
67 # vim:sw=8:sts=0:ts=8:noet