diff-tree: clean up diff_tree_stdin() function
[git.git] / rpush.c
1 #include "cache.h"
2 #include "rsh.h"
3 #include <sys/socket.h>
4 #include <errno.h>
5
6 void service(int fd_in, int fd_out) {
7         ssize_t size;
8         int posn;
9         char unsigned sha1[20];
10         unsigned long objsize;
11         void *buf;
12         do {
13                 posn = 0;
14                 do {
15                         size = read(fd_in, sha1 + posn, 20 - posn);
16                         if (size < 0) {
17                                 perror("rpush: read ");
18                                 return;
19                         }
20                         if (!size)
21                                 return;
22                         posn += size;
23                 } while (posn < 20);
24
25                 /* fprintf(stderr, "Serving %s\n", sha1_to_hex(sha1)); */
26
27                 buf = map_sha1_file(sha1, &objsize);
28                 if (!buf) {
29                         fprintf(stderr, "rpush: could not find %s\n", 
30                                 sha1_to_hex(sha1));
31                         return;
32                 }
33                 posn = 0;
34                 do {
35                         size = write(fd_out, buf + posn, objsize - posn);
36                         if (size <= 0) {
37                                 if (!size) {
38                                         fprintf(stderr, "rpush: write closed");
39                                 } else {
40                                         perror("rpush: write ");
41                                 }
42                                 return;
43                         }
44                         posn += size;
45                 } while (posn < objsize);
46         } while (1);
47 }
48
49 int main(int argc, char **argv)
50 {
51         int arg = 1;
52         char *commit_id;
53         char *url;
54         int fd_in, fd_out;
55         while (arg < argc && argv[arg][0] == '-') {
56                 arg++;
57         }
58         if (argc < arg + 2) {
59                 usage("rpush [-c] [-t] [-a] commit-id url");
60                 return 1;
61         }
62         commit_id = argv[arg];
63         url = argv[arg + 1];
64         if (setup_connection(&fd_in, &fd_out, "git-rpull", url, arg, argv + 1))
65                 return 1;
66
67         service(fd_in, fd_out);
68         return 0;
69 }