git.oblomov.eu Git - git/blob - http-fetch.c

   1 #include "cache.h"
   2 #include "config.h"
   3 #include "exec-cmd.h"
   4 #include "http.h"
   5 #include "walker.h"
   6
   7 static const char http_fetch_usage[] = "git http-fetch "
   8 "[-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin | --packfile=hash | commit-id] url";
   9
  10 static int fetch_using_walker(const char *raw_url, int get_verbosely,
  11                               int get_recover, int commits, char **commit_id,
  12                               const char **write_ref, int commits_on_stdin)
  13 {
  14         char *url = NULL;
  15         struct walker *walker;
  16         int rc;
  17
  18         str_end_url_with_slash(raw_url, &url);
  19
  20         http_init(NULL, url, 0);
  21
  22         walker = get_http_walker(url);
  23         walker->get_verbosely = get_verbosely;
  24         walker->get_recover = get_recover;
  25         walker->get_progress = 0;
  26
  27         rc = walker_fetch(walker, commits, commit_id, write_ref, url);
  28
  29         if (commits_on_stdin)
  30                 walker_targets_free(commits, commit_id, write_ref);
  31
  32         if (walker->corrupt_object_found) {
  33                 fprintf(stderr,
  34 "Some loose object were found to be corrupt, but they might be just\n"
  35 "a false '404 Not Found' error message sent with incorrect HTTP\n"
  36 "status code.  Suggest running 'git fsck'.\n");
  37         }
  38
  39         walker_free(walker);
  40         http_cleanup();
  41         free(url);
  42
  43         return rc;
  44 }
  45
  46 static const char *index_pack_args[] =
  47         {"index-pack", "--stdin", "--keep", NULL};
  48
  49 static void fetch_single_packfile(struct object_id *packfile_hash,
  50                                   const char *url) {
  51         struct http_pack_request *preq;
  52         struct slot_results results;
  53         int ret;
  54
  55         http_init(NULL, url, 0);
  56
  57         preq = new_direct_http_pack_request(packfile_hash->hash, xstrdup(url));
  58         if (preq == NULL)
  59                 die("couldn't create http pack request");
  60         preq->slot->results = &results;
  61         preq->index_pack_args = index_pack_args;
  62         preq->preserve_index_pack_stdout = 1;
  63
  64         if (start_active_slot(preq->slot)) {
  65                 run_active_slot(preq->slot);
  66                 if (results.curl_result != CURLE_OK) {
  67                         die("Unable to get pack file %s\n%s", preq->url,
  68                             curl_errorstr);
  69                 }
  70         } else {
  71                 die("Unable to start request");
  72         }
  73
  74         if ((ret = finish_http_pack_request(preq)))
  75                 die("finish_http_pack_request gave result %d", ret);
  76
  77         release_http_pack_request(preq);
  78         http_cleanup();
  79 }
  80
  81 int cmd_main(int argc, const char **argv)
  82 {
  83         int commits_on_stdin = 0;
  84         int commits;
  85         const char **write_ref = NULL;
  86         char **commit_id;
  87         int arg = 1;
  88         int get_verbosely = 0;
  89         int get_recover = 0;
  90         int packfile = 0;
  91         int nongit;
  92         struct object_id packfile_hash;
  93
  94         setup_git_directory_gently(&nongit);
  95
  96         while (arg < argc && argv[arg][0] == '-') {
  97                 const char *p;
  98
  99                 if (argv[arg][1] == 't') {
 100                 } else if (argv[arg][1] == 'c') {
 101                 } else if (argv[arg][1] == 'a') {
 102                 } else if (argv[arg][1] == 'v') {
 103                         get_verbosely = 1;
 104                 } else if (argv[arg][1] == 'w') {
 105                         write_ref = &argv[arg + 1];
 106                         arg++;
 107                 } else if (argv[arg][1] == 'h') {
 108                         usage(http_fetch_usage);
 109                 } else if (!strcmp(argv[arg], "--recover")) {
 110                         get_recover = 1;
 111                 } else if (!strcmp(argv[arg], "--stdin")) {
 112                         commits_on_stdin = 1;
 113                 } else if (skip_prefix(argv[arg], "--packfile=", &p)) {
 114                         const char *end;
 115
 116                         packfile = 1;
 117                         if (parse_oid_hex(p, &packfile_hash, &end) || *end)
 118                                 die(_("argument to --packfile must be a valid hash (got '%s')"), p);
 119                 }
 120                 arg++;
 121         }
 122         if (argc != arg + 2 - (commits_on_stdin || packfile))
 123                 usage(http_fetch_usage);
 124
 125         if (nongit)
 126                 die(_("not a git repository"));
 127
 128         git_config(git_default_config, NULL);
 129
 130         if (packfile) {
 131                 fetch_single_packfile(&packfile_hash, argv[arg]);
 132                 return 0;
 133         }
 134
 135         if (commits_on_stdin) {
 136                 commits = walker_targets_stdin(&commit_id, &write_ref);
 137         } else {
 138                 commit_id = (char **) &argv[arg++];
 139                 commits = 1;
 140         }
 141         return fetch_using_walker(argv[arg], get_verbosely, get_recover,
 142                                   commits, commit_id, write_ref,
 143                                   commits_on_stdin);
 144 }