---
 Documentation/config.txt |  8 ++++++++
 builtin/push.c           | 22 ++++++++++++++++++++++
 builtin/send-pack.c      | 27 ++++++++++++++++++++++++++-
 3 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 016f6e9..6804f5b 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2178,6 +2178,14 @@ push.followTags::
        may override this configuration at time of push by specifying
        '--no-follow-tags'.
 
+push.gpgSign::
+       May be set to a boolean value, or the string 'if-possible'. A
+       true value causes all pushes to be GPG signed, as if '--signed'
+       is passed to linkgit:git-push[1]. The string 'if-possible'
+       causes pushes to be signed if the server supports it, as if
+       '--signed-if-possible' is passed to 'git push'. A false value
+       may override a value from a lower-priority config file. An
+       explicit command-line flag always overrides this config option.
 
 rebase.stat::
        Whether to show a diffstat of what changed upstream since the last
diff --git a/builtin/push.c b/builtin/push.c
index 95a67c5..8972193 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -491,6 +491,26 @@ static int git_push_config(const char *k, const char *v, 
void *cb)
        return git_default_config(k, v, NULL);
 }
 
+static void set_push_cert_flags_from_config(int *flags)
+{
+       const char *value;
+       /* Ignore config if flags were set from command line. */
+       if (*flags & (TRANSPORT_PUSH_CERT_ALWAYS | 
TRANSPORT_PUSH_CERT_IF_POSSIBLE))
+               return;
+       if (!git_config_get_value("push.gpgsign", &value)) {
+               switch (git_config_maybe_bool("push.gpgsign", value)) {
+               case 1:
+                       *flags |= TRANSPORT_PUSH_CERT_ALWAYS;
+                       break;
+               default:
+                       if (value && !strcmp(value, "if-possible"))
+                               *flags |= TRANSPORT_PUSH_CERT_IF_POSSIBLE;
+                       else
+                               die(_("Invalid value for 'push.gpgsign'"));
+               }
+       }
+}
+
 int cmd_push(int argc, const char **argv, const char *prefix)
 {
        int flags = 0;
@@ -537,6 +557,8 @@ int cmd_push(int argc, const char **argv, const char 
*prefix)
        git_config(git_push_config, &flags);
        argc = parse_options(argc, argv, prefix, options, push_usage, 0);
 
+       set_push_cert_flags_from_config(&flags);
+
        if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | 
TRANSPORT_PUSH_MIRROR))))
                die(_("--delete is incompatible with --all, --mirror and 
--tags"));
        if (deleterefs && argc < 2)
diff --git a/builtin/send-pack.c b/builtin/send-pack.c
index 8eebbf4..9c8b7de 100644
--- a/builtin/send-pack.c
+++ b/builtin/send-pack.c
@@ -92,6 +92,31 @@ static void print_helper_status(struct ref *ref)
        strbuf_release(&buf);
 }
 
+static int send_pack_config(const char *k, const char *v, void *cb)
+{
+       git_gpg_config(k, v, NULL);
+
+       if (!strcmp(k, "push.gpgsign")) {
+               const char *value;
+               if (!git_config_get_value("push.gpgsign", &value)) {
+                       switch (git_config_maybe_bool("push.gpgsign", value)) {
+                       case 0:
+                               args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
+                               break;
+                       case 1:
+                               args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
+                               break;
+                       default:
+                               if (value && !strcasecmp(value, "if-possible"))
+                                       args.push_cert = 
SEND_PACK_PUSH_CERT_IF_POSSIBLE;
+                               else
+                                       return error("Invalid value for '%s'", 
k);
+                       }
+               }
+       }
+       return 0;
+}
+
 int cmd_send_pack(int argc, const char **argv, const char *prefix)
 {
        int i, nr_refspecs = 0;
@@ -114,7 +139,7 @@ int cmd_send_pack(int argc, const char **argv, const char 
*prefix)
        int from_stdin = 0;
        struct push_cas_option cas = {0};
 
-       git_config(git_gpg_config, NULL);
+       git_config(send_pack_config, NULL);
 
        argv++;
        for (i = 1; i < argc; i++, argv++) {
-- 
2.5.0.276.gf5e568e

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