blame: show "previous" information in --porcelain/--incremental format

diff --git a/parse-options.h b/parse-options.h
index bc317e7512af7a1cc86641a651ae5415d28e71c4..5199950c006df4625355ce227970cc3e8a72ed41 100644 (file)
--- a/parse-options.h
+++ b/parse-options.h
@@ -159,4 +159,6 @@ extern int parse_opt_approxidate_cb(const struct option *, const char *, int);
          "use <n> digits to display SHA-1s", \
          PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 }
 
+extern const char *parse_options_fix_filename(const char *prefix, const char *file);
+
 #endif