rpush.con commit Make update-cache be explicit about failed open() when doing (071c41a)
   1#include "cache.h"
   2#include "rsh.h"
   3#include <sys/socket.h>
   4#include <errno.h>
   5
   6void service(int fd_in, int fd_out) {
   7        ssize_t size;
   8        int posn;
   9        char 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
  49int 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}