mr bootstrap: Fix cross-device rename failure. Closes: #557962

[code/myrepos.git] / lib / git-fake-bare

diff --git a/lib/git-fake-bare b/lib/git-fake-bare
index 231b63163a36a71179431da9cbed445f8225caf5..786a8d7c498c66b43623833ce9653f8ee03a6440 100644 (file)
--- a/lib/git-fake-bare
+++ b/lib/git-fake-bare
@@ -1,7 +1,7 @@
 # An example of how to add a new revision control system type to mr.
 # git fake bare repositories have a detached workspace. One potential
 # application is storing dotfiles in git, keeping them checked out in
-# one $HOME, but checked into different git repositories. This file adds
+# ones $HOME, but checked into different git repositories. This file adds
 # support for them, separate from the normal git support.
 
 # To make mr use this file, add a line like this inside the [DEFAULT]
@@ -10,65 +10,77 @@
 
 # And an example repo using it would look something like:
 #[.dotfiles]
-#lib = git_fake_bare_worktree $HOME
-#checkout = git_fake_bare_checkout git://... .dotfiles
+#checkout = git_fake_bare_checkout git://... .dotfiles <worktree, eg. ..>
 
 lib =
-       # called to tell git where the worktree is
-       git_fake_bare_worktree() {
-               GIT_WORK_TREE="$1"; export GIT_WORK_TREE
-       }
        # git doesn't have an easy way to check out such a repo, so
        # do it by hand
        git_fake_bare_checkout() {
-               url="$1"
-               repo="$2"
-               GIT_WORK_TREE= git clone --no-checkout "$url" "$repo"
+               local url; url="$1"
+               local repo; repo="$2"
+               local worktree; worktree="$3"
+               git clone --no-checkout "$url" "$repo"
                cd "$repo"
-               mkdir -p "$GIT_WORK_TREE"
-               git read-tree HEAD
-               git config core.worktree "$GIT_WORK_TREE"
-               git checkout-index -a --prefix="$worktree" || true
+               mkdir -p "$worktree"
+               PWD="`pwd`"
                mv .git/* .
                rmdir .git
+               GIT_DIR="$PWD" git read-tree HEAD
+               GIT_DIR="$PWD" git checkout-index -a --prefix="$worktree" || true
+               GIT_DIR="$PWD" git config core.worktree "$worktree"
+       }
+       git_get_worktree() {
+               local worktree
+               worktree="$(git config --get core.worktree)" || true
+               if [ -z "$worktree" ]; then
+                       error "git worktree is not set"
+               fi
+               worktree="${worktree%%/}/"
+               if [ ! -d "$worktree" ]; then
+                       error "git worktree $worktree does not exist"
+               fi
+               echo "$worktree"
        }
 
 git_fake_bare_test = 
        test -d "$MR_REPO"/refs/heads && test -d "$MR_REPO"/refs/tags &&
        test -d "$MR_REPO"/objects && test -f "$MR_REPO"/config &&
-       test "$(GIT_CONFIG="$MR_REPO"/config git-config --get core.bare)" = false
+       test "$(GIT_DIR="$MR_REPO" git config --get core.bare)" = false
 
 git_fake_bare_update =
-       # all this is because of a bug in git-fetch, which requires GIT_DIR set
-       local git_dir_override; git_dir_override=.git
-       case "$(get_git_repo_type "$MR_REPO")" in
-               fake-bare) git_dir_override="$MR_REPO";;
-       esac
        args="$@"
-       [ -z "$args" ] && args="-t origin master"
-       eval GIT_DIR="$git_dir_override" git pull "$args"
+       branch="$(GIT_DIR="$MR_REPO" git symbolic-ref HEAD | sed -re 's,.+/,,')"
+       [ -z "$args" ] && args="-t origin $branch"
+       GIT_DIR="$MR_REPO" git pull $args
+
+git_fake_bare_status = GIT_DIR="$MR_REPO" git status "$@" || true
+
+git_fake_bare_commit =
+       cd "$(git_get_worktree)"
+       GIT_DIR="$MR_REPO" git commit -a "$@"
+       GIT_DIR="$MR_REPO" git push --all
 
-git_fake_bare_status = git status "$@" || true
+git_fake_bare_push =
+       GIT_DIR="$MR_REPO" git push --all
 
-git_fake_bare_commit = error "commit does not work for fake bare git repositories (yet)."
+git_fake_bare_record = 
+       cd "$(git_get_worktree)"
+       GIT_DIR="$MR_REPO" git commit -a "$@"
 
-git_fake_bare_diff = error "diff does not work for fake bare git repositories (yet)."
+git_fake_bare_diff =
+       cd "$(git_get_worktree)"
+       GIT_DIR="$MR_REPO" git diff "$@"
 
-git_fake_bare_log = git log "$@"
+git_fake_bare_log = GIT_DIR="$MR_REPO" git log "$@"
 
 git_fake_bare_register = 
-       url="$(LANG=C GIT_CONFIG=config git-config --get remote.origin.url)" || true
+       url="$(LC_ALL=C GIT_CONFIG=config git config --get remote.origin.url)" || true
        if [ -z "$url" ]; then
                error "cannot determine git url"
        fi
-       worktree="$(git-config --get core.worktree)" || true
-       if [ -z "$worktree" ]; then
-               error "git worktree is not set"
-       fi
-       worktree="${worktree%%/}/"
-       if [ ! -d "$worktree" ]; then
-               error "git worktree $worktree does not exist"
-       fi
-       mr -c "$MR_CONFIG" config "`pwd`" lib="git_fake_bare_worktree '$worktree'"
+       worktree="$(git_get_worktree)"
        echo "Registering git url: $url in $MR_CONFIG (with worktree $worktree)"
-       mr -c "$MR_CONFIG" config "`pwd`" checkout="git_fake_bare_checkout '$url' '$MR_REPO'"
+       mr -c "$MR_CONFIG" config "`pwd`" \
+               checkout="git_fake_bare_checkout '$url' '$MR_REPO' '$worktree'"
+
+# vim:sw=8:sts=0:ts=8:noet