builtin/upload-pack.c

   1 #define USE_THE_REPOSITORY_VARIABLE
   2
   3 #include "builtin.h"
   4 #include "exec-cmd.h"
   5 #include "gettext.h"
   6 #include "pkt-line.h"
   7 #include "parse-options.h"
   8 #include "path.h"
   9 #include "protocol.h"
  10 #include "replace-object.h"
  11 #include "upload-pack.h"
  12 #include "serve.h"
  13 #include "commit.h"
  14 #include "environment.h"
  15
  16 static const char * const upload_pack_usage[] = {
  17         N_("git-upload-pack [--[no-]strict] [--timeout=<n>] [--stateless-rpc]\n"
  18            "                [--advertise-refs] <directory>"),
  19         NULL
  20 };
  21
  22 int cmd_upload_pack(int argc,
  23                     const char **argv,
  24                     const char *prefix,
  25                     struct repository *repo UNUSED)
  26 {
  27         const char *dir;
  28         int strict = 0;
  29         int advertise_refs = 0;
  30         int stateless_rpc = 0;
  31         int timeout = 0;
  32         struct option options[] = {
  33                 OPT_BOOL(0, "stateless-rpc", &stateless_rpc,
  34                          N_("quit after a single request/response exchange")),
  35                 OPT_HIDDEN_BOOL(0, "http-backend-info-refs", &advertise_refs,
  36                                 N_("serve up the info/refs for git-http-backend")),
  37                 OPT_ALIAS(0, "advertise-refs", "http-backend-info-refs"),
  38                 OPT_BOOL(0, "strict", &strict,
  39                          N_("do not try <directory>/.git/ if <directory> is no Git directory")),
  40                 OPT_INTEGER(0, "timeout", &timeout,
  41                             N_("interrupt transfer after <n> seconds of inactivity")),
  42                 OPT_END()
  43         };
  44         unsigned enter_repo_flags = ENTER_REPO_ANY_OWNER_OK;
  45
  46         packet_trace_identity("upload-pack");
  47         disable_replace_refs();
  48         save_commit_buffer = 0;
  49         xsetenv(NO_LAZY_FETCH_ENVIRONMENT, "1", 0);
  50
  51         argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0);
  52
  53         if (argc != 1)
  54                 usage_with_options(upload_pack_usage, options);
  55
  56         setup_path();
  57
  58         dir = argv[0];
  59
  60         if (strict)
  61                 enter_repo_flags |= ENTER_REPO_STRICT;
  62         if (!enter_repo(dir, enter_repo_flags))
  63                 die("'%s' does not appear to be a git repository", dir);
  64
  65         switch (determine_protocol_version_server()) {
  66         case protocol_v2:
  67                 if (advertise_refs)
  68                         protocol_v2_advertise_capabilities(the_repository);
  69                 else
  70                         protocol_v2_serve_loop(the_repository, stateless_rpc);
  71                 break;
  72         case protocol_v1:
  73                 /*
  74                  * v1 is just the original protocol with a version string,
  75                  * so just fall through after writing the version string.
  76                  */
  77                 if (advertise_refs || !stateless_rpc)
  78                         packet_write_fmt(1, "version 1\n");
  79
  80                 /* fallthrough */
  81         case protocol_v0:
  82                 upload_pack(advertise_refs, stateless_rpc, timeout);
  83                 break;
  84         case protocol_unknown_version:
  85                 BUG("unknown protocol version");
  86         }
  87
  88         return 0;
  89 }