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From: Denton Liu <liu.denton@gmail.com>
To: git@vger.kernel.org
Cc: gitster@pobox.com
Subject: [PATCH 2/3] submodule--helper: teach config subcommand --unset
Date: Wed, 6 Feb 2019 02:59:54 -0800	[thread overview]
Message-ID: <f24f20b024f4d41f106ed014a31508fab4fa5eb2.1549450636.git.liu.denton@gmail.com> (raw)
In-Reply-To: <cover.1549450636.git.liu.denton@gmail.com>

This teaches submodule--helper config the --unset option, which removes
the specified configuration key from the .gitmodule file.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
---
 builtin/submodule--helper.c | 15 +++++++++++----
 t/t7411-submodule-config.sh |  9 +++++++++
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 0e140f176c..336e4429e6 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -2149,15 +2149,21 @@ static int module_config(int argc, const char **argv, const char *prefix)
 	enum {
 		CHECK_WRITEABLE = 1
 	} command = 0;
+	enum {
+		DO_UNSET = 1
+	} unset = 0;
 
 	struct option module_config_options[] = {
 		OPT_CMDMODE(0, "check-writeable", &command,
 			    N_("check if it is safe to write to the .gitmodules file"),
 			    CHECK_WRITEABLE),
+		OPT_CMDMODE(0, "unset", &unset,
+			    N_("unset the config in the .gitmodules file"),
+			    DO_UNSET),
 		OPT_END()
 	};
 	const char *const git_submodule_helper_usage[] = {
-		N_("git submodule--helper config name [value]"),
+		N_("git submodule--helper config name [--unset] [value]"),
 		N_("git submodule--helper config --check-writeable"),
 		NULL
 	};
@@ -2169,15 +2175,16 @@ static int module_config(int argc, const char **argv, const char *prefix)
 		return is_writing_gitmodules_ok() ? 0 : -1;
 
 	/* Equivalent to ACTION_GET in builtin/config.c */
-	if (argc == 2)
+	if (argc == 2 && unset != DO_UNSET)
 		return print_config_from_gitmodules(the_repository, argv[1]);
 
 	/* Equivalent to ACTION_SET in builtin/config.c */
-	if (argc == 3) {
+	if (argc == 3 || (argc == 2 && unset == DO_UNSET)) {
 		if (!is_writing_gitmodules_ok())
 			die(_("please make sure that the .gitmodules file is in the working tree"));
 
-		return config_set_in_gitmodules_file_gently(argv[1], argv[2]);
+		const char *value = (argc == 3) ? argv[2] : NULL;
+		return config_set_in_gitmodules_file_gently(argv[1], value);
 	}
 
 	usage_with_options(git_submodule_helper_usage, module_config_options);
diff --git a/t/t7411-submodule-config.sh b/t/t7411-submodule-config.sh
index 89690b7adb..fcc0fb82d8 100755
--- a/t/t7411-submodule-config.sh
+++ b/t/t7411-submodule-config.sh
@@ -142,6 +142,15 @@ test_expect_success 'reading submodules config from the working tree with "submo
 	)
 '
 
+test_expect_success 'unsetting submodules config from the working tree with "submodule--helper config --unset"' '
+	(cd super &&
+		git submodule--helper config --unset submodule.submodule.url &&
+		git submodule--helper config submodule.submodule.url >actual &&
+		test_must_be_empty actual
+	)
+'
+
+
 test_expect_success 'writing submodules config with "submodule--helper config"' '
 	(cd super &&
 		echo "new_url" >expect &&
-- 
2.20.1.522.g5f42c252e9


  parent reply	other threads:[~2019-02-06 10:59 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-06 10:59 [PATCH 0/3] Teach submodule set-branch subcommand Denton Liu
2019-02-06 10:59 ` [PATCH 1/3] git-submodule.txt: document default behavior without --branch Denton Liu
2019-02-06 18:46   ` Junio C Hamano
2019-02-06 10:59 ` Denton Liu [this message]
2019-02-06 19:07   ` [PATCH 2/3] submodule--helper: teach config subcommand --unset Junio C Hamano
2019-02-06 10:59 ` [PATCH 3/3] submodule: teach set-branch subcommand Denton Liu
2019-02-07  6:32 ` [PATCH v2 0/3] Teach submodule " Denton Liu
2019-02-07  6:32   ` [PATCH v2 1/3] git-submodule.txt: document default behavior without --branch Denton Liu
2019-02-07  6:32   ` [PATCH v2 2/3] submodule--helper: teach config subcommand --unset Denton Liu
2019-02-07  6:33   ` [PATCH v2 3/3] submodule: teach set-branch subcommand Denton Liu
2019-02-07 10:18   ` [PATCH v3 0/3] Teach submodule " Denton Liu
2019-02-07 10:18     ` [PATCH v3 1/3] git-submodule.txt: "--branch <branch>" option defaults to 'master' Denton Liu
2019-02-07 10:18     ` [PATCH v3 2/3] submodule--helper: teach config subcommand --unset Denton Liu
2019-02-07 20:05       ` Junio C Hamano
2019-02-07 22:29       ` Junio C Hamano
2019-02-07 10:19     ` [PATCH v3 3/3] submodule: teach set-branch subcommand Denton Liu
2019-02-07 22:26       ` Junio C Hamano
2019-02-07 18:01     ` [PATCH v3 0/3] Teach submodule " Junio C Hamano
2019-02-08  5:31       ` Denton Liu
2019-02-08 18:43         ` Junio C Hamano
2019-02-08 11:21     ` [PATCH v4 " Denton Liu
2019-02-08 11:21       ` [PATCH v4 1/3] git-submodule.txt: "--branch <branch>" option defaults to 'master' Denton Liu
2019-02-08 11:21       ` [PATCH v4 2/3] submodule--helper: teach config subcommand --unset Denton Liu
2019-02-08 11:21       ` [PATCH v4 3/3] submodule: teach set-branch subcommand Denton Liu
2019-02-08 23:51         ` Denton Liu

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