builtin/upload-pack.c

   1 #include "cache.h"
   2 #include "builtin.h"
   3 #include "exec-cmd.h"
   4 #include "gettext.h"
   5 #include "pkt-line.h"
   6 #include "parse-options.h"
   7 #include "protocol.h"
   8 #include "replace-object.h"
   9 #include "upload-pack.h"
  10 #include "serve.h"
  11
  12 static const char * const upload_pack_usage[] = {
  13         N_("git-upload-pack [--[no-]strict] [--timeout=<n>] [--stateless-rpc]\n"
  14            "                [--advertise-refs] <directory>"),
  15         NULL
  16 };
  17
  18 int cmd_upload_pack(int argc, const char **argv, const char *prefix)
  19 {
  20         const char *dir;
  21         int strict = 0;
  22         int advertise_refs = 0;
  23         int stateless_rpc = 0;
  24         int timeout = 0;
  25         struct option options[] = {
  26                 OPT_BOOL(0, "stateless-rpc", &stateless_rpc,
  27                          N_("quit after a single request/response exchange")),
  28                 OPT_HIDDEN_BOOL(0, "http-backend-info-refs", &advertise_refs,
  29                                 N_("serve up the info/refs for git-http-backend")),
  30                 OPT_ALIAS(0, "advertise-refs", "http-backend-info-refs"),
  31                 OPT_BOOL(0, "strict", &strict,
  32                          N_("do not try <directory>/.git/ if <directory> is no Git directory")),
  33                 OPT_INTEGER(0, "timeout", &timeout,
  34                             N_("interrupt transfer after <n> seconds of inactivity")),
  35                 OPT_END()
  36         };
  37
  38         packet_trace_identity("upload-pack");
  39         read_replace_refs = 0;
  40
  41         argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0);
  42
  43         if (argc != 1)
  44                 usage_with_options(upload_pack_usage, options);
  45
  46         setup_path();
  47
  48         dir = argv[0];
  49
  50         if (!enter_repo(dir, strict))
  51                 die("'%s' does not appear to be a git repository", dir);
  52
  53         switch (determine_protocol_version_server()) {
  54         case protocol_v2:
  55                 if (advertise_refs)
  56                         protocol_v2_advertise_capabilities();
  57                 else
  58                         protocol_v2_serve_loop(stateless_rpc);
  59                 break;
  60         case protocol_v1:
  61                 /*
  62                  * v1 is just the original protocol with a version string,
  63                  * so just fall through after writing the version string.
  64                  */
  65                 if (advertise_refs || !stateless_rpc)
  66                         packet_write_fmt(1, "version 1\n");
  67
  68                 /* fallthrough */
  69         case protocol_v0:
  70                 upload_pack(advertise_refs, stateless_rpc, timeout);
  71                 break;
  72         case protocol_unknown_version:
  73                 BUG("unknown protocol version");
  74         }
  75
  76         return 0;
  77 }