Sync with v1.8.4.2

diff --git a/builtin/push.c b/builtin/push.c
index 04f0eaf179044dce1e87137978bcbecca18f3527..7b1b66c36ac14cb29db9dbbbd5b6f4d27b67d91c 100644 (file)
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -15,12 +15,14 @@ static const char * const push_usage[] = {
        NULL,
 };
 
-static int thin;
+static int thin = 1;
 static int deleterefs;
 static const char *receivepack;
 static int verbosity;
 static int progress = -1;
 
+static struct push_cas_option cas;
+
 static const char **refspec;
 static int refspec_nr;
 static int refspec_alloc;
@@ -313,8 +315,14 @@ static int push_with_options(struct transport *transport, int flags)
        if (receivepack)
                transport_set_option(transport,
                                     TRANS_OPT_RECEIVEPACK, receivepack);
-       if (thin)
-               transport_set_option(transport, TRANS_OPT_THIN, "yes");
+       transport_set_option(transport, TRANS_OPT_THIN, thin ? "yes" : NULL);
+
+       if (!is_empty_cas(&cas)) {
+               if (!transport->smart_options)
+                       die("underlying transport does not support --%s option",
+                           CAS_OPT_NAME);
+               transport->smart_options->cas = &cas;
+       }
 
        if (verbosity > 0)
                fprintf(stderr, _("Pushing to %s\n"), transport->url);
@@ -446,15 +454,19 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
                OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
                            (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
-               OPT_BOOLEAN( 0, "delete", &deleterefs, N_("delete refs")),
-               OPT_BOOLEAN( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
+               OPT_BOOL( 0, "delete", &deleterefs, N_("delete refs")),
+               OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
                OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
                OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
                OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
+               { OPTION_CALLBACK,
+                 0, CAS_OPT_NAME, &cas, N_("refname>:<expect"),
+                 N_("require old value of ref to be at this value"),
+                 PARSE_OPT_OPTARG, parseopt_push_cas_option },
                { OPTION_CALLBACK, 0, "recurse-submodules", &flags, N_("check"),
                        N_("control recursive pushing of submodules"),
                        PARSE_OPT_OPTARG, option_parse_recurse_submodules },
-               OPT_BOOLEAN( 0 , "thin", &thin, N_("use thin pack")),
+               OPT_BOOL( 0 , "thin", &thin, N_("use thin pack")),
                OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
                OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
                OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),