[PATCH] vcs_info, git: Avoid error messages for `guilt' users

[Frank Terbeck <ft@xxxxxxxxxxxxxxxxxxx>]

Guilt uses the same internal directory for keeping state as stgit, but
it doesn't use the same files (not surprisingly). This caused error
messages due to missing files.

This fixes that by making the "stgit-active?" test stricter.

Reported-by: Axel Beckert <abe@xxxxxxxxxx>
---
 Functions/VCS_Info/Backends/VCS_INFO_get_data_git | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Functions/VCS_Info/Backends/VCS_INFO_get_data_git b/Functions/VCS_Info/Backends/VCS_INFO_get_data_git
index 3f643a2..c44be39 100644
--- a/Functions/VCS_Info/Backends/VCS_INFO_get_data_git
+++ b/Functions/VCS_Info/Backends/VCS_INFO_get_data_git
@@ -136,7 +136,9 @@ gitbase=${PWD%/${$( ${vcs_comm[cmd]} rev-parse --show-prefix )%/##}}
 rrn=${gitbase:t}
 
 local patchdir=${gitdir}/patches/${gitbranch}
-if [[ -d $patchdir ]] ; then
+if [[ -d $patchdir ]] && [[ -f $patchdir/applied ]] \
+   && [[ -f $patchdir/unapplied ]]
+then
     local -a stgit_applied stgit_unapplied stgit_all
 
     stgit_applied=(${(f)"$(< "${patchdir}/applied")"})
-- 
1.8.3