X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=diff.c;h=6db6927369e5c18ae3cb7ea27a0ebce37fd2b357;hb=fa26d5ede6e6c2a07590d3564efc1f92f82fcc0f;hp=1ccd96bbfde23a0f6d42104e81f78e0953c1bc93;hpb=649cae69bc8cc99fd5a9e72f8a08ae301d0d5e16;p=thirdparty%2Fgit.git

diff --git a/diff.c b/diff.c
index 1ccd96bbfd..6db6927369 100644
--- a/diff.c
+++ b/diff.c
@@ -25,7 +25,7 @@
 #include "packfile.h"
 #include "parse-options.h"
 #include "help.h"
-#include "fetch-object.h"
+#include "promisor-remote.h"
 
 #ifdef NO_FAST_WORKING_DIRECTORY
 #define FAST_WORKING_DIRECTORY 0
@@ -1673,7 +1673,10 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
 	if (ecbdata->opt->flags.dual_color_diffed_diffs)
 		strbuf_addstr(&msgbuf, reverse);
 	strbuf_addstr(&msgbuf, frag);
-	strbuf_add(&msgbuf, line, ep - line);
+	if (ecbdata->opt->flags.suppress_hunk_header_line_count)
+		strbuf_add(&msgbuf, atat, sizeof(atat));
+	else
+		strbuf_add(&msgbuf, line, ep - line);
 	strbuf_addstr(&msgbuf, reset);
 
 	/*
@@ -5992,6 +5995,22 @@ static int remove_space(char *line, int len)
 	return dst - line;
 }
 
+void flush_one_hunk(struct object_id *result, git_SHA_CTX *ctx)
+{
+	unsigned char hash[GIT_MAX_RAWSZ];
+	unsigned short carry = 0;
+	int i;
+
+	git_SHA1_Final(hash, ctx);
+	git_SHA1_Init(ctx);
+	/* 20-byte sum, with carry */
+	for (i = 0; i < GIT_SHA1_RAWSZ; ++i) {
+		carry += result->hash[i] + hash[i];
+		result->hash[i] = carry;
+		carry >>= 8;
+	}
+}
+
 static void patch_id_consume(void *priv, char *line, unsigned long len)
 {
 	struct patch_id_t *data = priv;
@@ -6016,8 +6035,8 @@ static void patch_id_add_mode(git_SHA_CTX *ctx, unsigned mode)
 	git_SHA1_Update(ctx, buf, len);
 }
 
-/* returns 0 upon success, and writes result into sha1 */
-static int diff_get_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only)
+/* returns 0 upon success, and writes result into oid */
+static int diff_get_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only, int stable)
 {
 	struct diff_queue_struct *q = &diff_queued_diff;
 	int i;
@@ -6027,6 +6046,7 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid
 	git_SHA1_Init(&ctx);
 	memset(&data, 0, sizeof(struct patch_id_t));
 	data.ctx = &ctx;
+	oidclr(oid);
 
 	for (i = 0; i < q->nr; i++) {
 		xpparam_t xpp;
@@ -6102,17 +6122,22 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid
 				  patch_id_consume, &data, &xpp, &xecfg))
 			return error("unable to generate patch-id diff for %s",
 				     p->one->path);
+
+		if (stable)
+			flush_one_hunk(oid, &ctx);
 	}
 
-	git_SHA1_Final(oid->hash, &ctx);
+	if (!stable)
+		git_SHA1_Final(oid->hash, &ctx);
+
 	return 0;
 }
 
-int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only)
+int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only, int stable)
 {
 	struct diff_queue_struct *q = &diff_queued_diff;
 	int i;
-	int result = diff_get_patch_id(options, oid, diff_header_only);
+	int result = diff_get_patch_id(options, oid, diff_header_only, stable);
 
 	for (i = 0; i < q->nr; i++)
 		diff_free_filepair(q->queue[i]);
@@ -6487,6 +6512,7 @@ static void add_if_missing(struct repository *r,
 			   const struct diff_filespec *filespec)
 {
 	if (filespec && filespec->oid_valid &&
+	    !S_ISGITLINK(filespec->mode) &&
 	    oid_object_info_extended(r, &filespec->oid, NULL,
 				     OBJECT_INFO_FOR_PREFETCH))
 		oid_array_append(to_fetch, &filespec->oid);
@@ -6494,8 +6520,7 @@ static void add_if_missing(struct repository *r,
 
 void diffcore_std(struct diff_options *options)
 {
-	if (options->repo == the_repository &&
-	    repository_format_partial_clone) {
+	if (options->repo == the_repository && has_promisor_remote()) {
 		/*
 		 * Prefetch the diff pairs that are about to be flushed.
 		 */
@@ -6512,8 +6537,8 @@ void diffcore_std(struct diff_options *options)
 			/*
 			 * NEEDSWORK: Consider deduplicating the OIDs sent.
 			 */
-			fetch_objects(repository_format_partial_clone,
-				      to_fetch.oid, to_fetch.nr);
+			promisor_remote_get_direct(options->repo,
+						   to_fetch.oid, to_fetch.nr);
 		oid_array_clear(&to_fetch);
 	}