X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=local-pull.c;h=b715203f6fb482cce8b00cc99c72384e42528b36;hb=76cd8eb619cf2896b5171d46d6bbf8e97d19e728;hp=e5d834ff2f7d6949ca2c7dd2424c65f6431a839b;hpb=4a62b61939396c512bd7592f800110bddf45af72;p=git.git

diff --git a/local-pull.c b/local-pull.c
index e5d834ff..b715203f 100644
--- a/local-pull.c
+++ b/local-pull.c
@@ -9,7 +9,11 @@ static int use_link = 0;
 static int use_symlink = 0;
 static int use_filecopy = 1;
 
-static char *path;
+static char *path; /* "Remote" git repository */
+
+void prefetch(unsigned char *sha1)
+{
+}
 
 int fetch(unsigned char *sha1)
 {
@@ -54,7 +58,7 @@ int fetch(unsigned char *sha1)
 		}
 		map = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, ifd, 0);
 		close(ifd);
-		if (-1 == (int)(long)map) {
+		if (map == MAP_FAILED) {
 			fprintf(stderr, "cannot mmap %s\n", filename);
 			return -1;
 		}
@@ -73,8 +77,36 @@ int fetch(unsigned char *sha1)
 	return -1;
 }
 
-static const char *local_pull_usage = 
-"git-local-pull [-c] [-t] [-a] [-l] [-s] [-n] [-v] [-d] commit-id path";
+int fetch_ref(char *ref, unsigned char *sha1)
+{
+	static int ref_name_start = -1;
+	static char filename[PATH_MAX];
+	static char hex[41];
+	int ifd;
+
+	if (ref_name_start < 0) {
+		sprintf(filename, "%s/refs/", path);
+		ref_name_start = strlen(filename);
+	}
+	strcpy(filename + ref_name_start, ref);
+	ifd = open(filename, O_RDONLY);
+	if (ifd < 0) {
+		close(ifd);
+		fprintf(stderr, "cannot open %s\n", filename);
+		return -1;
+	}
+	if (read(ifd, hex, 40) != 40 || get_sha1_hex(hex, sha1)) {
+		close(ifd);
+		fprintf(stderr, "cannot read from %s\n", filename);
+		return -1;
+	}
+	close(ifd);
+	pull_say("ref %s\n", sha1_to_hex(sha1));
+	return 0;
+}
+
+static const char local_pull_usage[] =
+"git-local-pull [-c] [-t] [-a] [-d] [-v] [-w filename] [--recover] [-l] [-s] [-n] commit-id path";
 
 /* 
  * By default we only use file copy.
@@ -92,8 +124,6 @@ int main(int argc, char **argv)
 			get_tree = 1;
 		else if (argv[arg][1] == 'c')
 			get_history = 1;
-		else if (argv[arg][1] == 'd')
-			get_delta = 0;
 		else if (argv[arg][1] == 'a') {
 			get_all = 1;
 			get_tree = 1;
@@ -107,6 +137,8 @@ int main(int argc, char **argv)
 			use_filecopy = 0;
 		else if (argv[arg][1] == 'v')
 			get_verbosely = 1;
+		else if (argv[arg][1] == 'w')
+			write_ref = argv[++arg];
 		else
 			usage(local_pull_usage);
 		arg++;