diff options
| -rw-r--r-- | diff-tree-helper.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/diff-tree-helper.c b/diff-tree-helper.c index 282b649f31..621f90ad09 100644 --- a/diff-tree-helper.c +++ b/diff-tree-helper.c @@ -44,7 +44,8 @@ static int parse_oneside_change(const char *cp, struct diff_spec *one, return 0; } -static int parse_diff_tree_output(const char *buf, const char **spec, int cnt) +static int parse_diff_tree_output(const char *buf, + const char **spec, int cnt, int reverse) { struct diff_spec old, new; char path[PATH_MAX]; @@ -98,8 +99,12 @@ static int parse_diff_tree_output(const char *buf, const char **spec, int cnt) default: return -1; } - if (!cnt || matches_pathspec(path, spec, cnt)) - run_external_diff(path, &old, &new); + if (!cnt || matches_pathspec(path, spec, cnt)) { + if (reverse) + run_external_diff(path, &new, &old); + else + run_external_diff(path, &old, &new); + } return 0; } @@ -108,14 +113,14 @@ static const char *diff_tree_helper_usage = int main(int ac, const char **av) { struct strbuf sb; - int reverse_diff = 0; + int reverse = 0; int line_termination = '\n'; strbuf_init(&sb); while (1 < ac && av[1][0] == '-') { if (av[1][1] == 'R') - reverse_diff = 1; + reverse = 1; else if (av[1][1] == 'z') line_termination = 0; else @@ -129,7 +134,7 @@ int main(int ac, const char **av) { read_line(&sb, stdin, line_termination); if (sb.eof) break; - status = parse_diff_tree_output(sb.buf, av+1, ac-1); + status = parse_diff_tree_output(sb.buf, av+1, ac-1, reverse); if (status) fprintf(stderr, "cannot parse %s\n", sb.buf); } |