setup_git_directory: fix segfault if repository is found in cwd

diff --git a/diff.h b/diff.h
index eece65ddccdb7bd8bf51af80af92e29b4eb76f37..63738c1dd4c71cb1beacaffea40bf51377a137ea 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -56,7 +56,11 @@ struct diff_options {
                 silent_on_remove:1,
                 find_copies_harder:1,
                 color_diff:1,
-                color_diff_words:1;
+                color_diff_words:1,
+                has_changes:1,
+                quiet:1,
+                allow_external:1,
+                exit_with_status:1;
        int context;
        int break_opt;
        int detect_rename;
@@ -75,6 +79,9 @@ struct diff_options {
        int stat_width;
        int stat_name_width;
 
+       /* this is set by diffcore for DIFF_FORMAT_PATCH */
+       int found_changes;
+
        int nr_paths;
        const char **paths;
        int *pathlens;
@@ -167,8 +174,6 @@ extern int diff_setup_done(struct diff_options *);
 
 extern void diffcore_std(struct diff_options *);
 
-extern void diffcore_std_no_resolve(struct diff_options *);
-
 #define COMMON_DIFF_OPTIONS_HELP \
 "\ncommon diff options:\n" \
 "  -z            output diff-raw with lines terminated with NUL.\n" \
@@ -219,6 +224,9 @@ extern void diff_flush(struct diff_options*);
 extern const char *diff_unique_abbrev(const unsigned char *, int);
 
 extern int run_diff_files(struct rev_info *revs, int silent_on_removed);
+extern int setup_diff_no_index(struct rev_info *revs,
+               int argc, const char ** argv, int nongit, const char *prefix);
+extern int run_diff_files_cmd(struct rev_info *revs, int argc, const char **argv);
 
 extern int run_diff_index(struct rev_info *revs, int cached);