Andrew's git - gitweb.git/blob

   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
  12static 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
  17static int thin, verbose;
  18static const char *receivepack;
  19
  20static const char **refspec;
  21static int refspec_nr;
  22
  23static 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
  31static 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                if (!strcmp("HEAD", ref)) {
  48                        unsigned char sha1_dummy[20];
  49                        ref = resolve_ref(ref, sha1_dummy, 1, NULL);
  50                        if (!ref)
  51                                die("HEAD cannot be resolved.");
  52                        if (prefixcmp(ref, "refs/heads/"))
  53                                die("HEAD cannot be resolved to branch.");
  54                        ref = xstrdup(ref + 11);
  55                }
  56                add_refspec(ref);
  57        }
  58}
  59
  60static int do_push(const char *repo, int flags)
  61{
  62        int i, errs;
  63        struct remote *remote = remote_get(repo);
  64
  65        if (!remote)
  66                die("bad repository '%s'", repo);
  67
  68        if (!refspec
  69                && !(flags & TRANSPORT_PUSH_ALL)
  70                && remote->push_refspec_nr) {
  71                refspec = remote->push_refspec;
  72                refspec_nr = remote->push_refspec_nr;
  73        }
  74        errs = 0;
  75        for (i = 0; i < remote->url_nr; i++) {
  76                struct transport *transport =
  77                        transport_get(remote, remote->url[i]);
  78                int err;
  79                if (receivepack)
  80                        transport_set_option(transport,
  81                                             TRANS_OPT_RECEIVEPACK, receivepack);
  82                if (thin)
  83                        transport_set_option(transport, TRANS_OPT_THIN, "yes");
  84
  85                if (verbose)
  86                        fprintf(stderr, "Pushing to %s\n", remote->url[i]);
  87                err = transport_push(transport, refspec_nr, refspec, flags);
  88                err |= transport_disconnect(transport);
  89
  90                if (!err)
  91                        continue;
  92
  93                error("failed to push some refs to '%s'", remote->url[i]);
  94                errs++;
  95        }
  96        return !!errs;
  97}
  98
  99int cmd_push(int argc, const char **argv, const char *prefix)
 100{
 101        int flags = 0;
 102        int all = 0;
 103        int mirror = 0;
 104        int dry_run = 0;
 105        int force = 0;
 106        int tags = 0;
 107        const char *repo = NULL;        /* default repository */
 108
 109        struct option options[] = {
 110                OPT__VERBOSE(&verbose),
 111                OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
 112                OPT_BOOLEAN( 0 , "all", &all, "push all refs"),
 113                OPT_BOOLEAN( 0 , "mirror", &mirror, "mirror all refs"),
 114                OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
 115                OPT_BOOLEAN( 0 , "dry-run", &dry_run, "dry run"),
 116                OPT_BOOLEAN('f', "force", &force, "force updates"),
 117                OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
 118                OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
 119                OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
 120                OPT_END()
 121        };
 122
 123        argc = parse_options(argc, argv, options, push_usage, 0);
 124
 125        if (force)
 126                flags |= TRANSPORT_PUSH_FORCE;
 127        if (dry_run)
 128                flags |= TRANSPORT_PUSH_DRY_RUN;
 129        if (verbose)
 130                flags |= TRANSPORT_PUSH_VERBOSE;
 131        if (tags)
 132                add_refspec("refs/tags/*");
 133        if (all)
 134                flags |= TRANSPORT_PUSH_ALL;
 135        if (mirror)
 136                flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
 137
 138        if (argc > 0) {
 139                repo = argv[0];
 140                set_refspecs(argv + 1, argc - 1);
 141        }
 142        if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) && refspec)
 143                usage_with_options(push_usage, options);
 144
 145        if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
 146                                (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
 147                error("--all and --mirror are incompatible");
 148                usage_with_options(push_usage, options);
 149        }
 150
 151        return do_push(repo, flags);
 152}