setup: limit get_git_work_tree()'s to explicit setup case only

diff --git a/cache.h b/cache.h
index 123dd4bb93ebfd387a79bd6a4ccf012257a8b0b0..b2cdda71427b6b33b236019b772c064f171bdb97 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1119,6 +1119,7 @@ const char *split_cmdline_strerror(int cmdline_errno);
 /* git.c */
 struct startup_info {
        int have_repository;
+       int setup_explicit;
 };
 extern struct startup_info *startup_info;