X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff-cache.c;h=c435844a255f492aa7ae367239154c3306b77194;hb=d46ad9c989c0c4afc9507b48206f26f75a2fbd24;hp=1d355aa028f2521e8da5b77d14f35bd26eaaa3e4;hpb=e0f0e891c1742c6ae22dbc648a1000ad8655ff34;p=git.git

diff --git a/diff-cache.c b/diff-cache.c
index 1d355aa0..c435844a 100644
--- a/diff-cache.c
+++ b/diff-cache.c
@@ -5,12 +5,14 @@ static int cached_only = 0;
 static int diff_output_format = DIFF_FORMAT_HUMAN;
 static int match_nonexisting = 0;
 static int detect_rename = 0;
+static int find_copies_harder = 0;
 static int diff_setup_opt = 0;
 static int diff_score_opt = 0;
 static const char *pickaxe = NULL;
 static int pickaxe_opts = 0;
 static int diff_break_opt = -1;
 static const char *orderfile = NULL;
+static const char *diff_filter = NULL;
 
 /* A file entry went away or appeared */
 static void show_file(const char *prefix, struct cache_entry *ce, unsigned char *sha1, unsigned int mode)
@@ -74,7 +76,7 @@ static int show_modified(struct cache_entry *old,
 
 	oldmode = old->ce_mode;
 	if (mode == oldmode && !memcmp(sha1, old->sha1, 20) &&
-	    detect_rename < DIFF_DETECT_COPY)
+	    !find_copies_harder)
 		return 0;
 
 	mode = ntohl(mode);
@@ -157,7 +159,9 @@ static void mark_merge_entries(void)
 }
 
 static char *diff_cache_usage =
-"git-diff-cache [-p] [-r] [-z] [-m] [-M] [-C] [-R] [-S<string>] [-O<orderfile>] [--cached] <tree-ish> [<path>...]";
+"git-diff-cache [-m] [--cached] "
+"[<common diff options>] <tree-ish> [<path>...]"
+COMMON_DIFF_OPTIONS_HELP;
 
 int main(int argc, const char **argv)
 {
@@ -191,7 +195,8 @@ int main(int argc, const char **argv)
 			/* We accept the -r flag just to look like git-diff-tree */
 			continue;
 		}
-		if (!strcmp(arg, "-p")) {
+		/* We accept the -u flag as a synonym for "-p" */
+		if (!strcmp(arg, "-p") || !strcmp(arg, "-u")) {
 			diff_output_format = DIFF_FORMAT_PATCH;
 			continue;
 		}
@@ -212,10 +217,22 @@ int main(int argc, const char **argv)
 				usage(diff_cache_usage);
 			continue;
 		}
+		if (!strcmp(arg, "--find-copies-harder")) {
+			find_copies_harder = 1;
+			continue;
+		}
 		if (!strcmp(arg, "-z")) {
 			diff_output_format = DIFF_FORMAT_MACHINE;
 			continue;
 		}
+		if (!strcmp(arg, "--name-only")) {
+			diff_output_format = DIFF_FORMAT_NAME;
+			continue;
+		}
+		if (!strcmp(arg, "--name-only-z")) {
+			diff_output_format = DIFF_FORMAT_NAME_Z;
+			continue;
+		}
 		if (!strcmp(arg, "-R")) {
 			diff_setup_opt |= DIFF_SETUP_REVERSE;
 			continue;
@@ -224,6 +241,10 @@ int main(int argc, const char **argv)
 			pickaxe = arg + 2;
 			continue;
 		}
+		if (!strncmp(arg, "--diff-filter=", 14)) {
+			diff_filter = arg + 14;
+			continue;
+		}
 		if (!strncmp(arg, "-O", 2)) {
 			orderfile = arg + 2;
 			continue;
@@ -243,6 +264,9 @@ int main(int argc, const char **argv)
 		usage(diff_cache_usage);
 	}
 
+	if (find_copies_harder && detect_rename != DIFF_DETECT_COPY)
+		usage(diff_cache_usage);
+
 	if (!tree_name || get_sha1(tree_name, sha1))
 		usage(diff_cache_usage);
 
@@ -263,7 +287,7 @@ int main(int argc, const char **argv)
 		     detect_rename, diff_score_opt,
 		     pickaxe, pickaxe_opts,
 		     diff_break_opt,
-		     orderfile);
-	diff_flush(diff_output_format, 1);
+		     orderfile, diff_filter);
+	diff_flush(diff_output_format);
 	return ret;
 }