completion: improve __git_refs()'s in-code documentation

That "first argument is passed to __gitdir()" statement in particular is not really helpful, and after this series it won't be the case anyway. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

SZEDER Gábor committed Feb 3, 2017 at 03:48 UTC be6fbdb5459dcd685b308e49b2855e2f54120e19
1 file changed +5 -3
contrib/completion/git-completion.bash
+5 -3
@@ -332,9 +332,11 @@ __git_tags ()
332 fi
333 }
334
335 -# __git_refs accepts 0, 1 (to pass to __gitdir), or 2 arguments
336 -# presence of 2nd argument means use the guess heuristic employed
337 -# by checkout for tracking branches
335 +# Lists refs from the local (by default) or from a remote repository.
336 +# It accepts 0, 1 or 2 arguments:
337 +# 1: The remote to list refs from (optional; ignored, if set but empty).
338 +# 2: In addition to local refs, list unique branches from refs/remotes/ for
339 +# 'git checkout's tracking DWIMery (optional; ignored, if set but empty).
340 __git_refs ()
341 {
342 local i hash dir="$(__gitdir "${1-}")" track="${2-}"