[PATCH] Add the tag.gpgsign option to sign all created tags

[Laurent Arnoud <laurent@spkdev.net>]

The tag.gpgsign config option allows to sign all
commits automatically.

Signed-off-by: Laurent Arnoud <laurent@spkdev.net>
---
 Documentation/config.txt |  3 +++
 builtin/tag.c            | 19 ++++++++++++++++---
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 2cd6bdd..076c68a 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2729,6 +2729,9 @@ submodule.<name>.ignore::
 	"--ignore-submodules" option. The 'git submodule' commands are not
 	affected by this setting.
 
+tag.gpgSign::
+	A boolean to specify whether all tags created should be GPG signed.
+
 tag.sort::
 	This variable controls the sort ordering of tags when displayed by
 	linkgit:git-tag[1]. Without the "--sort=<value>" option provided, the
diff --git a/builtin/tag.c b/builtin/tag.c
index 1705c94..53cad28 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -29,6 +29,7 @@ static const char * const git_tag_usage[] = {
 };
 
 static unsigned int colopts;
+static const char *sign_tag;
 
 static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, const char *format)
 {
@@ -166,6 +167,11 @@ static int git_tag_config(const char *var, const char *value, void *cb)
 	status = git_gpg_config(var, value, cb);
 	if (status)
 		return status;
+	if (!strcmp(var, "tag.gpgsign")) {
+		sign_tag = git_config_bool(var, value) ? "" : NULL;
+		return 0;
+	}
+
 	if (starts_with(var, "column."))
 		return git_column_config(var, value, "tag", &colopts);
 	return git_default_config(var, value, cb);
@@ -381,14 +387,21 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
 
 	argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0);
 
+	if (argc == 0 && !cmdmode)
+		cmdmode = 'l';
+
+	/* Remove config option when calling command other than create tag */
+	if (cmdmode != 0 && sign_tag)
+		sign_tag = NULL;
+
 	if (keyid) {
 		opt.sign = 1;
 		set_signing_key(keyid);
 	}
-	if (opt.sign)
+	if (opt.sign || sign_tag) {
+		opt.sign = 1;
 		annotate = 1;
-	if (argc == 0 && !cmdmode)
-		cmdmode = 'l';
+	}
 
 	if ((annotate || msg.given || msgfile || force) && (cmdmode != 0))
 		usage_with_options(git_tag_usage, options);
-- 
2.7.0


-- 
Laurent