completion: Pass GIT_DIR to _git.

This enables file completion at «vcsh foo add <TAB>».

diff --git a/_vcsh b/_vcsh
index 3022c6125d6a4a82db9697ee76a5f7c229d12f95..bc1a7b95a490ff7951439f3346aaef0495b71fb5 100644 (file)
--- a/_vcsh
+++ b/_vcsh
@@ -95,6 +95,9 @@ function _vcsh () {
        local state vcshcommand
        local -a args subcommands
 
+       local VCSH_REPO_D
+        : ${VCSH_REPO_D:="${XDG_CONFIG_HOME:-"$HOME/.config"}/vcsh/repo.d"}
+
        subcommands=(
                "clone:clone an existing repository"
                "commit:commit in all repositories"
@@ -135,7 +138,7 @@ function _vcsh () {
                        if ! (( ${+functions[_vcsh-$vcshcommand]} )); then
                                # There is no handler function, so this is probably the name
                                # of a repository. Act accordingly.
-                               _dispatch git git
+                               GIT_DIR=$VCSH_REPO_D/$words[1].git _dispatch git git
                        else
                                curcontext="${curcontext%:*:*}:vcsh-${vcshcommand}:"
                                _call_function ret _vcsh-${vcshcommand}