builtin-upload-archive.c

   1 /*
   2  * Copyright (c) 2006 Franck Bui-Huu
   3  */
   4 #include <time.h>
   5 #include "cache.h"
   6 #include "builtin.h"
   7 #include "archive.h"
   8 #include "pkt-line.h"
   9
  10 static const char upload_archive_usage[] =
  11         "git-upload-archive <repo>";
  12
  13
  14 int cmd_upload_archive(int argc, const char **argv, const char *prefix)
  15 {
  16         struct archiver ar;
  17         const char *sent_argv[MAX_ARGS];
  18         const char *arg_cmd = "argument ";
  19         char *p, buf[4096];
  20         int treeish_idx;
  21         int sent_argc;
  22         int len;
  23
  24         if (argc != 2)
  25                 usage(upload_archive_usage);
  26
  27         if (strlen(argv[1]) > sizeof(buf))
  28                 die("insanely long repository name");
  29
  30         strcpy(buf, argv[1]); /* enter-repo smudges its argument */
  31
  32         if (!enter_repo(buf, 0))
  33                 die("not a git archive");
  34
  35         /* put received options in sent_argv[] */
  36         sent_argc = 1;
  37         sent_argv[0] = "git-upload-archive";
  38         for (p = buf;;) {
  39                 /* This will die if not enough free space in buf */
  40                 len = packet_read_line(0, p, (buf + sizeof buf) - p);
  41                 if (len == 0)
  42                         break;  /* got a flush */
  43                 if (sent_argc > MAX_ARGS - 2)
  44                         die("Too many options (>29)");
  45
  46                 if (p[len-1] == '\n') {
  47                         p[--len] = 0;
  48                 }
  49                 if (len < strlen(arg_cmd) ||
  50                     strncmp(arg_cmd, p, strlen(arg_cmd)))
  51                         die("'argument' token or flush expected");
  52
  53                 len -= strlen(arg_cmd);
  54                 memmove(p, p + strlen(arg_cmd), len);
  55                 sent_argv[sent_argc++] = p;
  56                 p += len;
  57                 *p++ = 0;
  58         }
  59         sent_argv[sent_argc] = NULL;
  60
  61         /* parse all options sent by the client */
  62         treeish_idx = parse_archive_args(sent_argc, sent_argv, &ar);
  63
  64         parse_treeish_arg(sent_argv + treeish_idx, &ar.args, prefix);
  65         parse_pathspec_arg(sent_argv + treeish_idx + 1, &ar.args);
  66
  67         packet_write(1, "ACK\n");
  68         packet_flush(1);
  69
  70         return ar.write_archive(&ar.args);
  71 }
  72