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,
  21                     const char **argv,
  22                     const char *prefix,
  23                     struct repository *repo UNUSED)
  24 {
  25         const char *dir;
  26         int strict = 0;
  27         int advertise_refs = 0;
  28         int stateless_rpc = 0;
  29         int timeout = 0;
  30         struct option options[] = {
  31                 OPT_BOOL(0, "stateless-rpc", &stateless_rpc,
  32                          N_("quit after a single request/response exchange")),
  33                 OPT_HIDDEN_BOOL(0, "http-backend-info-refs", &advertise_refs,
  34                                 N_("serve up the info/refs for git-http-backend")),
  35                 OPT_ALIAS(0, "advertise-refs", "http-backend-info-refs"),
  36                 OPT_BOOL(0, "strict", &strict,
  37                          N_("do not try <directory>/.git/ if <directory> is no Git directory")),
  38                 OPT_INTEGER(0, "timeout", &timeout,
  39                             N_("interrupt transfer after <n> seconds of inactivity")),
  40                 OPT_END()
  41         };
  42
  43         packet_trace_identity("upload-pack");
  44         disable_replace_refs();
  45         save_commit_buffer = 0;
  46         xsetenv(NO_LAZY_FETCH_ENVIRONMENT, "1", 0);
  47
  48         argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0);
  49
  50         if (argc != 1)
  51                 usage_with_options(upload_pack_usage, options);
  52
  53         setup_path();
  54
  55         dir = argv[0];
  56
  57         if (!enter_repo(dir, strict))
  58                 die("'%s' does not appear to be a git repository", dir);
  59
  60         switch (determine_protocol_version_server()) {
  61         case protocol_v2:
  62                 if (advertise_refs)
  63                         protocol_v2_advertise_capabilities();
  64                 else
  65                         protocol_v2_serve_loop(stateless_rpc);
  66                 break;
  67         case protocol_v1:
  68                 /*
  69                  * v1 is just the original protocol with a version string,
  70                  * so just fall through after writing the version string.
  71                  */
  72                 if (advertise_refs || !stateless_rpc)
  73                         packet_write_fmt(1, "version 1\n");
  74
  75                 /* fallthrough */
  76         case protocol_v0:
  77                 upload_pack(advertise_refs, stateless_rpc, timeout);
  78                 break;
  79         case protocol_unknown_version:
  80                 BUG("unknown protocol version");
  81         }
  82
  83         return 0;
  84 }