diff 'rename' format change.
[git.git] / rpull.c
1 #include "cache.h"
2 #include "commit.h"
3 #include "rsh.h"
4 #include "pull.h"
5
6 static int fd_in;
7 static int fd_out;
8
9 static unsigned char remote_version = 0;
10 static unsigned char local_version = 1;
11
12 int fetch(unsigned char *sha1)
13 {
14         int ret;
15         signed char remote;
16         char type = 'o';
17         if (has_sha1_file(sha1))
18                 return 0;
19         write(fd_out, &type, 1);
20         write(fd_out, sha1, 20);
21         if (read(fd_in, &remote, 1) < 1)
22                 return -1;
23         if (remote < 0)
24                 return remote;
25         ret = write_sha1_from_fd(sha1, fd_in);
26         if (!ret)
27                 pull_say("got %s\n", sha1_to_hex(sha1));
28         return ret;
29 }
30
31 int get_version(void)
32 {
33         char type = 'v';
34         write(fd_out, &type, 1);
35         write(fd_out, &local_version, 1);
36         if (read(fd_in, &remote_version, 1) < 1) {
37                 return error("Couldn't read version from remote end");
38         }
39         return 0;
40 }
41
42 int main(int argc, char **argv)
43 {
44         char *commit_id;
45         char *url;
46         int arg = 1;
47
48         while (arg < argc && argv[arg][0] == '-') {
49                 if (argv[arg][1] == 't') {
50                         get_tree = 1;
51                 } else if (argv[arg][1] == 'c') {
52                         get_history = 1;
53                 } else if (argv[arg][1] == 'd') {
54                         get_delta = 0;
55                 } else if (!strcmp(argv[arg], "--recover")) {
56                         get_delta = 2;
57                 } else if (argv[arg][1] == 'a') {
58                         get_all = 1;
59                         get_tree = 1;
60                         get_history = 1;
61                 } else if (argv[arg][1] == 'v') {
62                         get_verbosely = 1;
63                 }
64                 arg++;
65         }
66         if (argc < arg + 2) {
67                 usage("git-rpull [-c] [-t] [-a] [-v] [-d] [--recover] commit-id url");
68                 return 1;
69         }
70         commit_id = argv[arg];
71         url = argv[arg + 1];
72
73         if (setup_connection(&fd_in, &fd_out, "git-rpush", url, arg, argv + 1))
74                 return 1;
75
76         if (get_version())
77                 return 1;
78
79         if (pull(commit_id))
80                 return 1;
81
82         return 0;
83 }