setup: prepare for more detailed "dubious ownership" messages

When verifying the ownership of the Git directory, we sometimes would
like to say a bit more about it, e.g. when using a platform-dependent
code path (think: Windows has the permission model that is so different
from Unix'), but only when it is a appropriate to actually say
something.

To allow for that, collect that information and hand it back to the
caller (whose responsibility it is to show it or not).

Note: We do not actually fill in any platform-dependent information yet,
this commit just adds the infrastructure to be able to do so.

Based-on-an-idea-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/git-compat-util.h b/git-compat-util.h
index 58d7708296..36a25ae252 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -23,6 +23,9 @@
 #include <crtdbg.h>
 #endif
 
+struct strbuf;
+
+
 #define _FILE_OFFSET_BITS 64
 
 
@@ -487,7 +490,7 @@ static inline void extract_id_from_env(const char *env, uid_t *id)
 	}
 }
 
-static inline int is_path_owned_by_current_uid(const char *path)
+static inline int is_path_owned_by_current_uid(const char *path, struct strbuf *report)
 {
 	struct stat st;
 	uid_t euid;