static int ignore_merges = 1;
static int recursive = 0;
static int read_stdin = 0;
-static int line_termination = '\n';
-static int generate_patch = 0;
+static int diff_output_format = DIFF_FORMAT_HUMAN;
static int detect_rename = 0;
static int reverse_diff = 0;
static int diff_score_opt = 0;
// What paths are we interested in?
static int nr_paths = 0;
-static char **paths = NULL;
+static const char **paths = NULL;
static int *pathlens = NULL;
static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base);
const char *path;
const unsigned char *sha1 = extract(tree, size, &path, &mode);
- if (header) {
- printf("%s", header);
- header = NULL;
- }
-
if (silent)
return;
return retval;
}
- if (header) {
- printf("%s", header);
- header = NULL;
- }
if (silent)
return 0;
return retval;
}
+static void call_diff_setup(void)
+{
+ diff_setup(reverse_diff);
+}
+
+static int call_diff_flush()
+{
+ if (detect_rename)
+ diffcore_rename(detect_rename, diff_score_opt);
+ diffcore_prune();
+ if (pickaxe) {
+ diffcore_pickaxe(pickaxe);
+ if (diff_queue_is_empty()) {
+ diff_flush(DIFF_FORMAT_NO_OUTPUT);
+ return 0;
+ }
+ }
+ if (nr_paths)
+ diffcore_pathspec(paths);
+ if (header) {
+ printf("%s", header);
+ header = NULL;
+ }
+ diff_flush(diff_output_format);
+ return 1;
+}
+
static int diff_tree_sha1_top(const unsigned char *old,
const unsigned char *new, const char *base)
{
int ret;
- diff_setup(detect_rename, diff_score_opt, pickaxe,
- reverse_diff, (generate_patch ? -1 : line_termination),
- NULL, 0);
+ call_diff_setup();
ret = diff_tree_sha1(old, new, base);
- diff_flush();
+ call_diff_flush();
return ret;
}
void *tree;
unsigned long size;
- diff_setup(detect_rename, diff_score_opt, pickaxe,
- reverse_diff, (generate_patch ? -1 : line_termination),
- NULL, 0);
+ call_diff_setup();
tree = read_object_with_reference(new, "tree", &size, NULL);
if (!tree)
die("unable to read root tree (%s)", sha1_to_hex(new));
retval = diff_tree("", 0, tree, size, base);
free(tree);
- diff_flush();
+ call_diff_flush();
return retval;
}
static char *diff_tree_usage =
"git-diff-tree [-p] [-r] [-z] [--stdin] [-M] [-C] [-R] [-S<string>] [-m] [-s] [-v] <tree-ish> <tree-ish>";
-int main(int argc, char **argv)
+int main(int argc, const char **argv)
{
int nr_sha1;
char line[1000];
nr_sha1 = 0;
for (;;) {
- char *arg;
+ const char *arg;
argv++;
argc--;
continue;
}
if (!strcmp(arg, "-p")) {
- recursive = generate_patch = 1;
+ diff_output_format = DIFF_FORMAT_PATCH;
+ recursive = 1;
continue;
}
if (!strncmp(arg, "-S", 2)) {
continue;
}
if (!strncmp(arg, "-M", 2)) {
- detect_rename = recursive = generate_patch = 1;
+ detect_rename = DIFF_DETECT_RENAME;
diff_score_opt = diff_scoreopt_parse(arg);
continue;
}
if (!strncmp(arg, "-C", 2)) {
- detect_rename = 2;
- recursive = generate_patch = 1;
+ detect_rename = DIFF_DETECT_COPY;
diff_score_opt = diff_scoreopt_parse(arg);
continue;
}
if (!strcmp(arg, "-z")) {
- line_termination = '\0';
+ diff_output_format = DIFF_FORMAT_MACHINE;
continue;
}
if (!strcmp(arg, "-m")) {