add usage example

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

diff --git a/mrconfig.git-fake-bare b/mrconfig.git-fake-bare
index 7f3e9db91de070b304965f900b9ff07e49d3e747..730d85de86baa021799e8fc56445057352677552 100644 (file)
--- a/mrconfig.git-fake-bare
+++ b/mrconfig.git-fake-bare
@@ -8,18 +8,27 @@
 # section of your ~/.mrconfig
 #include = cat /path/to/mrconfig.git-fake-bare
 
+# And an example repo using it would look something like:
+#[.dotfiles]
+#lib = git_fake_bare_worktree $HOME
+#checkout = git_fake_bare_checkout git://... .dotfiles
+
 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() {
                set -x
                url="$1"
                repo="$2"
-               worktree="${3%%/}/"
-               git clone --no-checkout "$url" "$repo"
+               GIT_WORK_TREE= git clone --no-checkout "$url" "$repo"
                cd "$repo"
+               mkdir -p "$GIT_WORK_TREE"
                git read-tree HEAD
-               git config core.worktree "$worktree"
+               git config core.worktree "$GIT_WORK_TREE"
                git checkout-index -a --prefix="$worktree" || true
                mv .git/* .
                rmdir .git
@@ -61,7 +70,6 @@ git_fake_bare_register =
        if [ ! -d "$worktree" ]; then
                error "git worktree $worktree does not exist"
        fi
-       mr -c "$MR_CONFIG" config "`pwd`" \
-               lib="GIT_WORK_TREE=$work_tree; export GIT_WORK_TREE"
+       mr -c "$MR_CONFIG" config "`pwd`" lib="git_fake_bare_worktree '$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' '$worktree'"
+       mr -c "$MR_CONFIG" config "`pwd`" checkout="git_fake_bare_checkout '$url' '$MR_REPO'"