builtin/upload-pack.c

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