builtin-push.c

   1 /*
   2  * "git push"
   3  */
   4 #include "cache.h"
   5 #include "refs.h"
   6 #include "run-command.h"
   7 #include "builtin.h"
   8 #include "remote.h"
   9 #include "transport.h"
  10 #include "parse-options.h"
  11
  12 static const char * const push_usage[] = {
  13         "git-push [--all | --mirror] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]",
  14         NULL,
  15 };
  16
  17 static int thin, verbose;
  18 static const char *receivepack;
  19
  20 static const char **refspec;
  21 static int refspec_nr;
  22
  23 static void add_refspec(const char *ref)
  24 {
  25         int nr = refspec_nr + 1;
  26         refspec = xrealloc(refspec, nr * sizeof(char *));
  27         refspec[nr-1] = ref;
  28         refspec_nr = nr;
  29 }
  30
  31 static void set_refspecs(const char **refs, int nr)
  32 {
  33         int i;
  34         for (i = 0; i < nr; i++) {
  35                 const char *ref = refs[i];
  36                 if (!strcmp("tag", ref)) {
  37                         char *tag;
  38                         int len;
  39                         if (nr <= ++i)
  40                                 die("tag shorthand without <tag>");
  41                         len = strlen(refs[i]) + 11;
  42                         tag = xmalloc(len);
  43                         strcpy(tag, "refs/tags/");
  44                         strcat(tag, refs[i]);
  45                         ref = tag;
  46                 }
  47                 add_refspec(ref);
  48         }
  49 }
  50
  51 static int do_push(const char *repo, int flags)
  52 {
  53         int i, errs;
  54         struct remote *remote = remote_get(repo);
  55
  56         if (!remote)
  57                 die("bad repository '%s'", repo);
  58
  59         if (remote->mirror)
  60                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
  61
  62         if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) && refspec)
  63                 return -1;
  64
  65         if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
  66                                 (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
  67                 return error("--all and --mirror are incompatible");
  68         }
  69
  70         if (!refspec
  71                 && !(flags & TRANSPORT_PUSH_ALL)
  72                 && remote->push_refspec_nr) {
  73                 refspec = remote->push_refspec;
  74                 refspec_nr = remote->push_refspec_nr;
  75         }
  76         errs = 0;
  77         for (i = 0; i < remote->url_nr; i++) {
  78                 struct transport *transport =
  79                         transport_get(remote, remote->url[i]);
  80                 int err;
  81                 if (receivepack)
  82                         transport_set_option(transport,
  83                                              TRANS_OPT_RECEIVEPACK, receivepack);
  84                 if (thin)
  85                         transport_set_option(transport, TRANS_OPT_THIN, "yes");
  86
  87                 if (verbose)
  88                         fprintf(stderr, "Pushing to %s\n", remote->url[i]);
  89                 err = transport_push(transport, refspec_nr, refspec, flags);
  90                 err |= transport_disconnect(transport);
  91
  92                 if (!err)
  93                         continue;
  94
  95                 error("failed to push some refs to '%s'", remote->url[i]);
  96                 errs++;
  97         }
  98         return !!errs;
  99 }
 100
 101 int cmd_push(int argc, const char **argv, const char *prefix)
 102 {
 103         int flags = 0;
 104         int all = 0;
 105         int mirror = 0;
 106         int dry_run = 0;
 107         int force = 0;
 108         int tags = 0;
 109         int rc;
 110         const char *repo = NULL;        /* default repository */
 111
 112         struct option options[] = {
 113                 OPT__VERBOSE(&verbose),
 114                 OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
 115                 OPT_BOOLEAN( 0 , "all", &all, "push all refs"),
 116                 OPT_BOOLEAN( 0 , "mirror", &mirror, "mirror all refs"),
 117                 OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
 118                 OPT_BOOLEAN( 0 , "dry-run", &dry_run, "dry run"),
 119                 OPT_BOOLEAN('f', "force", &force, "force updates"),
 120                 OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
 121                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
 122                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
 123                 OPT_END()
 124         };
 125
 126         argc = parse_options(argc, argv, options, push_usage, 0);
 127
 128         if (force)
 129                 flags |= TRANSPORT_PUSH_FORCE;
 130         if (dry_run)
 131                 flags |= TRANSPORT_PUSH_DRY_RUN;
 132         if (verbose)
 133                 flags |= TRANSPORT_PUSH_VERBOSE;
 134         if (tags)
 135                 add_refspec("refs/tags/*");
 136         if (all)
 137                 flags |= TRANSPORT_PUSH_ALL;
 138         if (mirror)
 139                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
 140
 141         if (argc > 0) {
 142                 repo = argv[0];
 143                 set_refspecs(argv + 1, argc - 1);
 144         }
 145
 146         rc = do_push(repo, flags);
 147         if (rc == -1)
 148                 usage_with_options(push_usage, options);
 149         else
 150                 return rc;
 151 }