X-Git-Url: https://git.octo.it/?p=git.git;a=blobdiff_plain;f=fetch-pack.c;h=8daa93d024158e6d8daff304db57ac80d1803c65;hp=27f5d2a5ff78340d791d1162ec07c153740ac2d2;hb=74237d6236d7e32f69469ff26df3f3bb3875f523;hpb=949964c4af740015c53cb7630fea8795e0f710a0

diff --git a/fetch-pack.c b/fetch-pack.c
index 27f5d2a5..8daa93d0 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -7,8 +7,9 @@
 static int keep_pack;
 static int quiet;
 static int verbose;
+static int fetch_all;
 static const char fetch_pack_usage[] =
-"git-fetch-pack [-q] [-v] [-k] [--exec=upload-pack] [host:]directory <refs>...";
+"git-fetch-pack [--all] [-q] [-v] [-k] [--thin] [--exec=upload-pack] [host:]directory <refs>...";
 static const char *exec = "git-upload-pack";
 
 #define COMPLETE	(1U << 0)
@@ -18,7 +19,7 @@ static const char *exec = "git-upload-pack";
 #define POPPED		(1U << 4)
 
 static struct commit_list *rev_list = NULL;
-static int non_common_revs = 0, multi_ack = 0;
+static int non_common_revs = 0, multi_ack = 0, use_thin_pack = 0;
 
 static void rev_list_push(struct commit *commit, int mark)
 {
@@ -82,7 +83,7 @@ static void mark_common(struct commit *commit,
   Get the next rev to send, ignoring the common.
 */
 
-static const unsigned char* get_rev()
+static const unsigned char* get_rev(void)
 {
 	struct commit *commit = NULL;
 
@@ -156,8 +157,9 @@ static int find_common(int fd[2], unsigned char *result_sha1,
 			continue;
 		}
 
-		packet_write(fd[1], "want %s%s\n", sha1_to_hex(remote),
-			multi_ack ? " multi_ack" : "");
+		packet_write(fd[1], "want %s%s%s\n", sha1_to_hex(remote),
+			     (multi_ack ? " multi_ack" : ""),
+			     (use_thin_pack ? " thin-pack" : ""));
 		fetching++;
 	}
 	packet_flush(fd[1]);
@@ -260,21 +262,58 @@ static void mark_recent_complete_commits(unsigned long cutoff)
 
 static void filter_refs(struct ref **refs, int nr_match, char **match)
 {
-	struct ref *prev, *current, *next;
-
-	for (prev = NULL, current = *refs; current; current = next) {
-		next = current->next;
-		if ((!memcmp(current->name, "refs/", 5) &&
-					check_ref_format(current->name + 5)) ||
-				!path_match(current->name, nr_match, match)) {
-			if (prev == NULL)
-				*refs = next;
-			else
-				prev->next = next;
-			free(current);
-		} else
-			prev = current;
+	struct ref **return_refs;
+	struct ref *newlist = NULL;
+	struct ref **newtail = &newlist;
+	struct ref *ref, *next;
+	struct ref *fastarray[32];
+
+	if (nr_match && !fetch_all) {
+		if (ARRAY_SIZE(fastarray) < nr_match)
+			return_refs = xcalloc(nr_match, sizeof(struct ref *));
+		else {
+			return_refs = fastarray;
+			memset(return_refs, 0, sizeof(struct ref *) * nr_match);
+		}
+	}
+	else
+		return_refs = NULL;
+
+	for (ref = *refs; ref; ref = next) {
+		next = ref->next;
+		if (!memcmp(ref->name, "refs/", 5) &&
+		    check_ref_format(ref->name + 5))
+			; /* trash */
+		else if (fetch_all) {
+			*newtail = ref;
+			ref->next = NULL;
+			newtail = &ref->next;
+			continue;
+		}
+		else {
+			int order = path_match(ref->name, nr_match, match);
+			if (order) {
+				return_refs[order-1] = ref;
+				continue; /* we will link it later */
+			}
+		}
+		free(ref);
 	}
+
+	if (!fetch_all) {
+		int i;
+		for (i = 0; i < nr_match; i++) {
+			ref = return_refs[i];
+			if (ref) {
+				*newtail = ref;
+				ref->next = NULL;
+				newtail = &ref->next;
+			}
+		}
+		if (return_refs != fastarray)
+			free(return_refs);
+	}
+	*refs = newlist;
 }
 
 static int everything_local(struct ref **refs, int nr_match, char **match)
@@ -375,10 +414,14 @@ static int fetch_pack(int fd[2], int nr_match, char **match)
 		goto all_done;
 	}
 	if (find_common(fd, sha1, ref) < 0)
-		fprintf(stderr, "warning: no common commits\n");
+		if (!keep_pack)
+			/* When cloning, it is not unusual to have
+			 * no common commit.
+			 */
+			fprintf(stderr, "warning: no common commits\n");
 
 	if (keep_pack)
-		status = receive_keep_pack(fd, "git-fetch-pack");
+		status = receive_keep_pack(fd, "git-fetch-pack", quiet);
 	else
 		status = receive_unpack_pack(fd, "git-fetch-pack", quiet);
 
@@ -421,6 +464,14 @@ int main(int argc, char **argv)
 				keep_pack = 1;
 				continue;
 			}
+			if (!strcmp("--thin", arg)) {
+				use_thin_pack = 1;
+				continue;
+			}
+			if (!strcmp("--all", arg)) {
+				fetch_all = 1;
+				continue;
+			}
 			if (!strcmp("-v", arg)) {
 				verbose = 1;
 				continue;
@@ -434,6 +485,8 @@ int main(int argc, char **argv)
 	}
 	if (!dest)
 		usage(fetch_pack_usage);
+	if (keep_pack)
+		use_thin_pack = 0;
 	pid = git_connect(fd, dest, exec);
 	if (pid < 0)
 		return 1;