push: support signing pushes iff the server supports it

diff --git a/builtin/push.c b/builtin/push.c
index 12f5e69393bc2981dd5ff1433e34bc4932c0ee22..85a82cd21d6de4688914d49c8da71693794366bf 100644 (file)
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -9,6 +9,7 @@
 #include "transport.h"
 #include "parse-options.h"
 #include "submodule.h"
+#include "send-pack.h"
 
 static const char * const push_usage[] = {
        N_("git push [<options>] [<repository> [<refspec>...]]"),
@@ -473,19 +474,29 @@ static int option_parse_recurse_submodules(const struct option *opt,
 
 static int git_push_config(const char *k, const char *v, void *cb)
 {
-       struct wt_status *s = cb;
+       int *flags = cb;
        int status;
 
        status = git_gpg_config(k, v, NULL);
        if (status)
                return status;
-       return git_default_config(k, v, s);
+
+       if (!strcmp(k, "push.followtags")) {
+               if (git_config_bool(k, v))
+                       *flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
+               else
+                       *flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
+               return 0;
+       }
+
+       return git_default_config(k, v, NULL);
 }
 
 int cmd_push(int argc, const char **argv, const char *prefix)
 {
        int flags = 0;
        int tags = 0;
+       int push_cert = -1;
        int rc;
        const char *repo = NULL;        /* default repository */
        struct option options[] = {
@@ -517,12 +528,15 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
                OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
                        TRANSPORT_PUSH_FOLLOW_TAGS),
-               OPT_BIT(0, "signed", &flags, N_("GPG sign the push"), TRANSPORT_PUSH_CERT),
+               { OPTION_CALLBACK,
+                 0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"),
+                 PARSE_OPT_OPTARG, option_parse_push_signed },
+               OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC),
                OPT_END()
        };
 
        packet_trace_identity("push");
-       git_config(git_push_config, NULL);
+       git_config(git_push_config, &flags);
        argc = parse_options(argc, argv, prefix, options, push_usage, 0);
 
        if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
@@ -538,6 +552,20 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                set_refspecs(argv + 1, argc - 1, repo);
        }
 
+       switch (push_cert) {
+       case SEND_PACK_PUSH_CERT_NEVER:
+               flags &= ~(TRANSPORT_PUSH_CERT_ALWAYS | TRANSPORT_PUSH_CERT_IF_ASKED);
+               break;
+       case SEND_PACK_PUSH_CERT_ALWAYS:
+               flags |= TRANSPORT_PUSH_CERT_ALWAYS;
+               flags &= ~TRANSPORT_PUSH_CERT_IF_ASKED;
+               break;
+       case SEND_PACK_PUSH_CERT_IF_ASKED:
+               flags |= TRANSPORT_PUSH_CERT_IF_ASKED;
+               flags &= ~TRANSPORT_PUSH_CERT_ALWAYS;
+               break;
+       }
+
        rc = do_push(repo, flags);
        if (rc == -1)
                usage_with_options(push_usage, options);