X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=diff.c;h=7d06b035ae8b6a53f10a7f94251a24d911baa509;hb=f02b3eba7fc6e3fca25e0063dde6ff149aed2b45;hp=77d31667121688d3580af0313c5f7b8d2bbabbdb;hpb=6b5ee137e56af8093391411389dd4b18416707ec;p=git.git

diff --git a/diff.c b/diff.c
index 77d31667..7d06b035 100644
--- a/diff.c
+++ b/diff.c
@@ -10,7 +10,6 @@
 #include "diffcore.h"
 
 static const char *diff_opts = "-pu";
-static unsigned char null_sha1[20] = { 0, };
 
 static int use_size_cache;
 
@@ -414,7 +413,7 @@ void diff_free_filespec_data(struct diff_filespec *s)
 static void prep_temp_blob(struct diff_tempfile *temp,
 			   void *blob,
 			   unsigned long size,
-			   unsigned char *sha1,
+			   const unsigned char *sha1,
 			   int mode)
 {
 	int fd;
@@ -674,11 +673,12 @@ void diff_setup(struct diff_options *options)
 	options->output_format = DIFF_FORMAT_RAW;
 	options->line_termination = '\n';
 	options->break_opt = -1;
+	options->rename_limit = -1;
 }
 
 int diff_setup_done(struct diff_options *options)
 {
-	if (options->find_copies_harder &&
+	if ((options->find_copies_harder || 0 <= options->rename_limit) &&
 	    options->detect_rename != DIFF_DETECT_COPY)
 		return -1;
 	if (options->setup & DIFF_SETUP_USE_CACHE) {
@@ -704,8 +704,12 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
 		options->output_format = DIFF_FORMAT_PATCH;
 	else if (!strcmp(arg, "-z"))
 		options->line_termination = 0;
+	else if (!strncmp(arg, "-l", 2))
+		options->rename_limit = strtoul(arg+2, NULL, 10);
 	else if (!strcmp(arg, "--name-only"))
 		options->output_format = DIFF_FORMAT_NAME;
+	else if (!strcmp(arg, "--name-status"))
+		options->output_format = DIFF_FORMAT_NAME_STATUS;
 	else if (!strcmp(arg, "-R"))
 		options->reverse_diff = 1;
 	else if (!strncmp(arg, "-S", 2))
@@ -832,7 +836,8 @@ void diff_free_filepair(struct diff_filepair *p)
 
 static void diff_flush_raw(struct diff_filepair *p,
 			   int line_termination,
-			   int inter_name_termination)
+			   int inter_name_termination,
+			   int output_format)
 {
 	int two_paths;
 	char status[10];
@@ -868,13 +873,12 @@ static void diff_flush_raw(struct diff_filepair *p,
 		two_paths = 0;
 		break;
 	}
-	printf(":%06o %06o %s ",
-	       p->one->mode, p->two->mode, sha1_to_hex(p->one->sha1));
-	printf("%s %s%c%s",
-	       sha1_to_hex(p->two->sha1),
-	       status,
-	       inter_name_termination,
-	       p->one->path);
+	if (output_format != DIFF_FORMAT_NAME_STATUS) {
+		printf(":%06o %06o %s ",
+		       p->one->mode, p->two->mode, sha1_to_hex(p->one->sha1));
+		printf("%s ", sha1_to_hex(p->two->sha1));
+	}
+	printf("%s%c%s",status, inter_name_termination, p->one->path);
 	if (two_paths)
 		printf("%c%s", inter_name_termination, p->two->path);
 	putchar(line_termination);
@@ -1064,8 +1068,10 @@ void diff_flush(struct diff_options *options)
 			diff_flush_patch(p);
 			break;
 		case DIFF_FORMAT_RAW:
+		case DIFF_FORMAT_NAME_STATUS:
 			diff_flush_raw(p, line_termination,
-				       inter_name_termination);
+				       inter_name_termination,
+				       diff_output_format);
 			break;
 		case DIFF_FORMAT_NAME:
 			diff_flush_name(p, line_termination);
@@ -1141,7 +1147,7 @@ void diffcore_std(struct diff_options *options)
 	if (options->break_opt != -1)
 		diffcore_break(options->break_opt);
 	if (options->detect_rename)
-		diffcore_rename(options->detect_rename, options->rename_score);
+		diffcore_rename(options);
 	if (options->break_opt != -1)
 		diffcore_merge_broken();
 	if (options->pickaxe)