Make tig handle GIT_DIR better

The problem was caused by load_refs() calling "git-ls-remote ." completely
ignoring GIT_DIR. This is fixed by using git-rev-parse --git-dir to extract
the path to the requested git repository.

diff --git a/tig.c b/tig.c
index c622183..ebd7abe 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -81,7 +81,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *coloffset,
 #define        SCALE_SPLIT_VIEW(height)        ((height) * 2 / 3)
 
 #define TIG_LS_REMOTE \
-       "git ls-remote . 2>/dev/null"
+       "git ls-remote $(git rev-parse --git-dir) 2>/dev/null"
 
 #define TIG_DIFF_CMD \
        "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null"