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
  11 static const char push_usage[] = "git-push [--all] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]";
  12
  13 static int thin, verbose;
  14 static const char *receivepack;
  15
  16 static const char **refspec;
  17 static int refspec_nr;
  18
  19 static void add_refspec(const char *ref)
  20 {
  21         int nr = refspec_nr + 1;
  22         refspec = xrealloc(refspec, nr * sizeof(char *));
  23         refspec[nr-1] = ref;
  24         refspec_nr = nr;
  25 }
  26
  27 static void set_refspecs(const char **refs, int nr)
  28 {
  29         int i;
  30         for (i = 0; i < nr; i++) {
  31                 const char *ref = refs[i];
  32                 if (!strcmp("tag", ref)) {
  33                         char *tag;
  34                         int len;
  35                         if (nr <= ++i)
  36                                 die("tag shorthand without <tag>");
  37                         len = strlen(refs[i]) + 11;
  38                         tag = xmalloc(len);
  39                         strcpy(tag, "refs/tags/");
  40                         strcat(tag, refs[i]);
  41                         ref = tag;
  42                 }
  43                 add_refspec(ref);
  44         }
  45 }
  46
  47 static int do_push(const char *repo, int flags)
  48 {
  49         int i, errs;
  50         struct remote *remote = remote_get(repo);
  51
  52         if (!remote)
  53                 die("bad repository '%s'", repo);
  54
  55         if (!refspec
  56                 && !(flags & TRANSPORT_PUSH_ALL)
  57                 && remote->push_refspec_nr) {
  58                 refspec = remote->push_refspec;
  59                 refspec_nr = remote->push_refspec_nr;
  60         }
  61         errs = 0;
  62         for (i = 0; i < remote->url_nr; i++) {
  63                 struct transport *transport =
  64                         transport_get(remote, remote->url[i]);
  65                 int err;
  66                 if (receivepack)
  67                         transport_set_option(transport,
  68                                              TRANS_OPT_RECEIVEPACK, receivepack);
  69                 if (thin)
  70                         transport_set_option(transport, TRANS_OPT_THIN, "yes");
  71
  72                 if (verbose)
  73                         fprintf(stderr, "Pushing to %s\n", remote->url[i]);
  74                 err = transport_push(transport, refspec_nr, refspec, flags);
  75                 err |= transport_disconnect(transport);
  76
  77                 if (!err)
  78                         continue;
  79
  80                 error("failed to push to '%s'", remote->url[i]);
  81                 errs++;
  82         }
  83         return !!errs;
  84 }
  85
  86 int cmd_push(int argc, const char **argv, const char *prefix)
  87 {
  88         int i;
  89         int flags = 0;
  90         const char *repo = NULL;        /* default repository */
  91
  92         for (i = 1; i < argc; i++) {
  93                 const char *arg = argv[i];
  94
  95                 if (arg[0] != '-') {
  96                         repo = arg;
  97                         i++;
  98                         break;
  99                 }
 100                 if (!strcmp(arg, "-v")) {
 101                         verbose=1;
 102                         continue;
 103                 }
 104                 if (!prefixcmp(arg, "--repo=")) {
 105                         repo = arg+7;
 106                         continue;
 107                 }
 108                 if (!strcmp(arg, "--all")) {
 109                         flags |= TRANSPORT_PUSH_ALL;
 110                         continue;
 111                 }
 112                 if (!strcmp(arg, "--dry-run")) {
 113                         flags |= TRANSPORT_PUSH_DRY_RUN;
 114                         continue;
 115                 }
 116                 if (!strcmp(arg, "--tags")) {
 117                         add_refspec("refs/tags/*");
 118                         continue;
 119                 }
 120                 if (!strcmp(arg, "--force") || !strcmp(arg, "-f")) {
 121                         flags |= TRANSPORT_PUSH_FORCE;
 122                         continue;
 123                 }
 124                 if (!strcmp(arg, "--thin")) {
 125                         thin = 1;
 126                         continue;
 127                 }
 128                 if (!strcmp(arg, "--no-thin")) {
 129                         thin = 0;
 130                         continue;
 131                 }
 132                 if (!prefixcmp(arg, "--receive-pack=")) {
 133                         receivepack = arg + 15;
 134                         continue;
 135                 }
 136                 if (!prefixcmp(arg, "--exec=")) {
 137                         receivepack = arg + 7;
 138                         continue;
 139                 }
 140                 usage(push_usage);
 141         }
 142         set_refspecs(argv + i, argc - i);
 143         if ((flags & TRANSPORT_PUSH_ALL) && refspec)
 144                 usage(push_usage);
 145
 146         return do_push(repo, flags);
 147 }