Do not write out new index if nothing has changed.
[git/dscho.git] / rpull.c
blob75f8f94fcfbb122b76435ddb1c68f805dee55b7e
1 #include <fcntl.h>
2 #include <unistd.h>
3 #include <string.h>
4 #include <stdlib.h>
5 #include "cache.h"
6 #include "commit.h"
7 #include <errno.h>
8 #include <stdio.h>
9 #include "rsh.h"
10 #include "pull.h"
12 static int fd_in;
13 static int fd_out;
15 int fetch(unsigned char *sha1)
17 write(fd_out, sha1, 20);
18 return write_sha1_from_fd(sha1, fd_in);
21 int main(int argc, char **argv)
23 char *commit_id;
24 char *url;
25 int arg = 1;
27 while (arg < argc && argv[arg][0] == '-') {
28 if (argv[arg][1] == 't') {
29 get_tree = 1;
30 } else if (argv[arg][1] == 'c') {
31 get_history = 1;
32 } else if (argv[arg][1] == 'a') {
33 get_all = 1;
34 get_tree = 1;
35 get_history = 1;
37 arg++;
39 if (argc < arg + 2) {
40 usage("rpull [-c] [-t] [-a] commit-id url");
41 return 1;
43 commit_id = argv[arg];
44 url = argv[arg + 1];
46 if (setup_connection(&fd_in, &fd_out, "git-rpush", url, arg, argv + 1))
47 return 1;
49 if (pull(commit_id))
50 return 1;
52 return 0;