cherry-pick, revert: add the --gpg-sign option

Signed-off-by: Nicolas Vigier <boklm@mars-attacks.org>
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-cherry-pick.txt

@@ -8,7 +8,8 @@ git-cherry-pick - Apply the changes introduced by some existing commits
 SYNOPSIS
 --------
 [verse]
-'git cherry-pick' [--edit] [-n] [-m parent-number] [-s] [-x] [--ff] <commit>...
+'git cherry-pick' [--edit] [-n] [-m parent-number] [-s] [-x] [--ff]
+		  [-S[<keyid>]] <commit>...
 'git cherry-pick' --continue
 'git cherry-pick' --quit
 'git cherry-pick' --abort
@@ -100,6 +101,10 @@ effect to your index in a row.
 --signoff::
 	Add Signed-off-by line at the end of the commit message.
 
+-S[<keyid>]::
+--gpg-sign[=<keyid>]::
+	GPG-sign commits.
+
 --ff::
 	If the current HEAD is the same as the parent of the
 	cherry-pick'ed commit, then a fast forward to this commit will

Documentation/git-revert.txt

@@ -8,7 +8,7 @@ git-revert - Revert some existing commits
 SYNOPSIS
 --------
 [verse]
-'git revert' [--[no-]edit] [-n] [-m parent-number] [-s] <commit>...
+'git revert' [--[no-]edit] [-n] [-m parent-number] [-s] [-S[<keyid>]] <commit>...
 'git revert' --continue
 'git revert' --quit
 'git revert' --abort
@@ -80,6 +80,10 @@ more details.
 This is useful when reverting more than one commits'
 effect to your index in a row.
 
+-S[<keyid>]::
+--gpg-sign[=<keyid>]::
+	GPG-sign commits.
+
 -s::
 --signoff::
 	Add Signed-off-by line at the end of the commit message.

builtin/revert.c

@@ -89,6 +89,8 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts)
 		OPT_STRING(0, "strategy", &opts->strategy, N_("strategy"), N_("merge strategy")),
 		OPT_CALLBACK('X', "strategy-option", &opts, N_("option"),
 			N_("option for merge strategy"), option_parse_x),
+		{ OPTION_STRING, 'S', "gpg-sign", &opts->gpg_sign, N_("key id"),
+		  N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
 		OPT_END(),
 		OPT_END(),
 		OPT_END(),

sequencer.c

@@ -392,11 +392,18 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts,
 {
 	struct argv_array array;
 	int rc;
+	char *gpg_sign;
 
 	argv_array_init(&array);
 	argv_array_push(&array, "commit");
 	argv_array_push(&array, "-n");
 
+	if (opts->gpg_sign) {
+		gpg_sign = xmalloc(3 + strlen(opts->gpg_sign));
+		sprintf(gpg_sign, "-S%s", opts->gpg_sign);
+		argv_array_push(&array, gpg_sign);
+		free(gpg_sign);
+	}
 	if (opts->signoff)
 		argv_array_push(&array, "-s");
 	if (!opts->edit) {
@@ -808,6 +815,8 @@ static int populate_opts_cb(const char *key, const char *value, void *data)
 		opts->mainline = git_config_int(key, value);
 	else if (!strcmp(key, "options.strategy"))
 		git_config_string(&opts->strategy, key, value);
+	else if (!strcmp(key, "options.gpg-sign"))
+		git_config_string(&opts->gpg_sign, key, value);
 	else if (!strcmp(key, "options.strategy-option")) {
 		ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc);
 		opts->xopts[opts->xopts_nr++] = xstrdup(value);
@@ -981,6 +990,8 @@ static void save_opts(struct replay_opts *opts)
 	}
 	if (opts->strategy)
 		git_config_set_in_file(opts_file, "options.strategy", opts->strategy);
+	if (opts->gpg_sign)
+		git_config_set_in_file(opts_file, "options.gpg-sign", opts->gpg_sign);
 	if (opts->xopts) {
 		int i;
 		for (i = 0; i < opts->xopts_nr; i++)

sequencer.h

@@ -37,6 +37,8 @@ struct replay_opts {
 
 	int mainline;
 
+	const char *gpg_sign;
+
 	/* Merge strategy */
 	const char *strategy;
 	const char **xopts;