X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=local-pull.c;h=2f06fbee8b840a7ae642f5a22e2cb993687f3470;hb=c619ad510b39a07c76cc6a112e4a065e0b8d1b14;hp=3a342ab18390d7ce0df1f970a4961b31548a9417;hpb=f1a7eb36b017c62d9a007b6b8660bdeec3f94f97;p=git.git

diff --git a/local-pull.c b/local-pull.c
index 3a342ab1..2f06fbee 100644
--- a/local-pull.c
+++ b/local-pull.c
@@ -1,22 +1,15 @@
 /*
  * Copyright (C) 2005 Junio C Hamano
  */
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <limits.h>
 #include "cache.h"
 #include "commit.h"
-#include <errno.h>
-#include <stdio.h>
 #include "pull.h"
 
 static int use_link = 0;
 static int use_symlink = 0;
 static int use_filecopy = 1;
 
-static char *path;
+static char *path; /* "Remote" git repository */
 
 int fetch(unsigned char *sha1)
 {
@@ -80,8 +73,36 @@ int fetch(unsigned char *sha1)
 	return -1;
 }
 
+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] [-l] [-s] [-n] [-v] commit-id path";
+"git-local-pull [-c] [-t] [-a] [-d] [-v] [-w filename] [--recover] [-l] [-s] [-n] commit-id path";
 
 /* 
  * By default we only use file copy.
@@ -112,6 +133,8 @@ 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++;