add line number and file name info to `config_set`

Store file name and line number for each key-value pair in the cache
during parsing of the configuration files.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/cache.h b/cache.h
index 7292aefa2e..0b1bdfd896 100644
--- a/cache.h
+++ b/cache.h
@@ -1383,6 +1383,11 @@ extern int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest);
 extern int git_config_get_maybe_bool(const char *key, int *dest);
 extern int git_config_get_pathname(const char *key, const char **dest);
 
+struct key_value_info {
+	const char *filename;
+	int linenr;
+};
+
 extern int committer_ident_sufficiently_given(void);
 extern int author_ident_sufficiently_given(void);