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[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 # ones $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                 local url; url="$1"
20                 local repo; repo="$2"
21                 local worktree; worktree="$3"
22                 git clone --no-checkout "$url" "$repo"
23                 cd "$repo"
24                 mkdir -p "$worktree"
25                 PWD="`pwd`"
26                 mv .git/* .
27                 rmdir .git
28                 GIT_DIR="$PWD" git read-tree HEAD
29                 GIT_DIR="$PWD" git checkout-index -a --prefix="$worktree" || true
30                 GIT_DIR="$PWD" git config core.worktree "$worktree"
31         }
32         git_get_worktree() {
33                 local worktree
34                 worktree="$(git config --get core.worktree)" || true
35                 if [ -z "$worktree" ]; then
36                         error "git worktree is not set"
37                 fi
38                 worktree="${worktree%%/}/"
39                 if [ ! -d "$worktree" ]; then
40                         error "git worktree $worktree does not exist"
41                 fi
42                 echo "$worktree"
43         }
44
45 git_fake_bare_test = 
46         test -d "$MR_REPO"/refs/heads && test -d "$MR_REPO"/refs/tags &&
47         test -d "$MR_REPO"/objects && test -f "$MR_REPO"/config &&
48         test "$(GIT_DIR="$MR_REPO" git config --get core.bare)" = false
49
50 git_fake_bare_update =
51         args="$@"
52         [ -z "$args" ] && args="-t origin master"
53         GIT_DIR="$MR_REPO" git pull $args
54
55 git_fake_bare_status = GIT_DIR="$MR_REPO" git status "$@" || true
56
57 git_fake_bare_commit =
58         cd "$(git_get_worktree)"
59         GIT_DIR="$MR_REPO" git commit -a "$@"
60         GIT_DIR="$MR_REPO" git push --all
61
62 git_fake_bare_push =
63         GIT_DIR="$MR_REPO" git push --all
64
65 git_fake_bare_record = 
66         cd "$(git_get_worktree)"
67         GIT_DIR="$MR_REPO" git commit -a "$@"
68
69 git_fake_bare_diff =
70         cd "$(git_get_worktree)"
71         GIT_DIR="$MR_REPO" git diff "$@"
72
73 git_fake_bare_log = GIT_DIR="$MR_REPO" git log "$@"
74
75 git_fake_bare_register = 
76         url="$(LC_ALL=C GIT_CONFIG=config git config --get remote.origin.url)" || true
77         if [ -z "$url" ]; then
78                 error "cannot determine git url"
79         fi
80         worktree="$(git_get_worktree)"
81         echo "Registering git url: $url in $MR_CONFIG (with worktree $worktree)"
82         mr -c "$MR_CONFIG" config "`pwd`" \
83                 checkout="git_fake_bare_checkout '$url' '$MR_REPO' '$worktree'"
84
85 # vim:sw=8:sts=0:ts=8:noet