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 "path.h"
   7 #include "protocol.h"
   8 #include "replace-object.h"
   9 #include "upload-pack.h"
  10 #include "serve.h"
  11 #include "commit.h"
  12 #include "environment.h"
  13
  14 static const char * const upload_pack_usage[] = {
  15         N_("git-upload-pack [--[no-]strict] [--timeout=<n>] [--stateless-rpc]\n"
  16            "                [--advertise-refs] <directory>"),
  17         NULL
  18 };
  19
  20 int cmd_upload_pack(int argc, const char **argv, const char *prefix)
  21 {
  22         const char *dir;
  23         int strict = 0;
  24         int advertise_refs = 0;
  25         int stateless_rpc = 0;
  26         int timeout = 0;
  27         struct option options[] = {
  28                 OPT_BOOL(0, "stateless-rpc", &stateless_rpc,
  29                          N_("quit after a single request/response exchange")),
  30                 OPT_HIDDEN_BOOL(0, "http-backend-info-refs", &advertise_refs,
  31                                 N_("serve up the info/refs for git-http-backend")),
  32                 OPT_ALIAS(0, "advertise-refs", "http-backend-info-refs"),
  33                 OPT_BOOL(0, "strict", &strict,
  34                          N_("do not try <directory>/.git/ if <directory> is no Git directory")),
  35                 OPT_INTEGER(0, "timeout", &timeout,
  36                             N_("interrupt transfer after <n> seconds of inactivity")),
  37                 OPT_END()
  38         };
  39
  40         packet_trace_identity("upload-pack");
  41         disable_replace_refs();
  42         save_commit_buffer = 0;
  43         xsetenv(NO_LAZY_FETCH_ENVIRONMENT, "1", 0);
  44
  45         argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0);
  46
  47         if (argc != 1)
  48                 usage_with_options(upload_pack_usage, options);
  49
  50         setup_path();
  51
  52         dir = argv[0];
  53
  54         if (!enter_repo(dir, strict))
  55                 die("'%s' does not appear to be a git repository", dir);
  56
  57         switch (determine_protocol_version_server()) {
  58         case protocol_v2:
  59                 if (advertise_refs)
  60                         protocol_v2_advertise_capabilities();
  61                 else
  62                         protocol_v2_serve_loop(stateless_rpc);
  63                 break;
  64         case protocol_v1:
  65                 /*
  66                  * v1 is just the original protocol with a version string,
  67                  * so just fall through after writing the version string.
  68                  */
  69                 if (advertise_refs || !stateless_rpc)
  70                         packet_write_fmt(1, "version 1\n");
  71
  72                 /* fallthrough */
  73         case protocol_v0:
  74                 upload_pack(advertise_refs, stateless_rpc, timeout);
  75                 break;
  76         case protocol_unknown_version:
  77                 BUG("unknown protocol version");
  78         }
  79
  80         return 0;
  81 }