builtin/upload-pack.c

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