line-log: extract pathspec parsing from line ranges into a helper function

A helper function to parse the paths involved in the line ranges and to turn them into a pathspec will be useful in the next patch. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

SZEDER Gábor committed Aug 21, 2019 at 13:04 UTC eef5204190e6b99c9d3694fc416bd031cf253490
1 file changed +18 -14
line-log.c
+18 -14
@@ -736,6 +736,22 @@ static struct line_log_data *lookup_line_range(struct rev_info *revs,
736 return ret;
737 }
738
739 +static void parse_pathspec_from_ranges(struct pathspec *pathspec,
740 + struct line_log_data *range)
741 +{
742 + struct line_log_data *r;
743 + struct argv_array array = ARGV_ARRAY_INIT;
744 + const char **paths;
745 +
746 + for (r = range; r; r = r->next)
747 + argv_array_push(&array, r->path);
748 + paths = argv_array_detach(&array);
749 +
750 + parse_pathspec(pathspec, 0, PATHSPEC_PREFER_FULL, "", paths);
751 + /* strings are now owned by pathspec */
752 + free(paths);
753 +}
754 +
755 void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args)
756 {
757 struct commit *commit = NULL;
@@ -745,20 +761,8 @@ void line_log_init(struct rev_info *rev, const char *prefix, struct string_list
761 range = parse_lines(rev->diffopt.repo, commit, prefix, args);
762 add_line_range(rev, commit, range);
763
748 - if (!rev->diffopt.detect_rename) {
749 - struct line_log_data *r;
750 - struct argv_array array = ARGV_ARRAY_INIT;
751 - const char **paths;
752 -
753 - for (r = range; r; r = r->next)
754 - argv_array_push(&array, r->path);
755 - paths = argv_array_detach(&array);
756 -
757 - parse_pathspec(&rev->diffopt.pathspec, 0,
758 - PATHSPEC_PREFER_FULL, "", paths);
759 - /* strings are now owned by pathspec */
760 - free(paths);
761 - }
764 + if (!rev->diffopt.detect_rename)
765 + parse_pathspec_from_ranges(&rev->diffopt.pathspec, range);
766 }
767
768 static void move_diff_queue(struct diff_queue_struct *dst,