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] [--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 (!refspec
  60                 && !(flags & TRANSPORT_PUSH_ALL)
  61                 && remote->push_refspec_nr) {
  62                 refspec = remote->push_refspec;
  63                 refspec_nr = remote->push_refspec_nr;
  64         }
  65         errs = 0;
  66         for (i = 0; i < remote->url_nr; i++) {
  67                 struct transport *transport =
  68                         transport_get(remote, remote->url[i]);
  69                 int err;
  70                 if (receivepack)
  71                         transport_set_option(transport,
  72                                              TRANS_OPT_RECEIVEPACK, receivepack);
  73                 if (thin)
  74                         transport_set_option(transport, TRANS_OPT_THIN, "yes");
  75
  76                 if (verbose)
  77                         fprintf(stderr, "Pushing to %s\n", remote->url[i]);
  78                 err = transport_push(transport, refspec_nr, refspec, flags);
  79                 err |= transport_disconnect(transport);
  80
  81                 if (!err)
  82                         continue;
  83
  84                 error("failed to push to '%s'", remote->url[i]);
  85                 errs++;
  86         }
  87         return !!errs;
  88 }
  89
  90 int cmd_push(int argc, const char **argv, const char *prefix)
  91 {
  92         int flags = 0;
  93         int all = 0;
  94         int dry_run = 0;
  95         int force = 0;
  96         int tags = 0;
  97         const char *repo = NULL;        /* default repository */
  98
  99         struct option options[] = {
 100                 OPT__VERBOSE(&verbose),
 101                 OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
 102                 OPT_BOOLEAN( 0 , "all", &all, "push all refs"),
 103                 OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
 104                 OPT_BOOLEAN( 0 , "dry-run", &dry_run, "dry run"),
 105                 OPT_BOOLEAN('f', "force", &force, "force updates"),
 106                 OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
 107                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
 108                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
 109                 OPT_END()
 110         };
 111
 112         argc = parse_options(argc, argv, options, push_usage, 0);
 113
 114         if (force)
 115                 flags |= TRANSPORT_PUSH_FORCE;
 116         if (dry_run)
 117                 flags |= TRANSPORT_PUSH_DRY_RUN;
 118         if (tags)
 119                 add_refspec("refs/tags/*");
 120         if (all)
 121                 flags |= TRANSPORT_PUSH_ALL;
 122
 123         if (argc > 0) {
 124                 repo = argv[0];
 125                 set_refspecs(argv + 1, argc - 1);
 126         }
 127         if ((flags & TRANSPORT_PUSH_ALL) && refspec)
 128                 usage_with_options(push_usage, options);
 129
 130         return do_push(repo, flags);
 131 }