submodule--helper: add a new 'config' subcommand

Add a new 'config' subcommand to 'submodule--helper', this extra level of indirection makes it possible to add some flexibility to how the submodules configuration is handled. Signed-off-by: Antonio Ospite <ao2@ao2.it> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Antonio Ospite committed Oct 5, 2018 at 15:05 UTC 2502ffc0cf3c4db2a3cad13415a118b4becce0dd
2 files changed +41
builtin/submodule--helper.c
+14
@@ -2003,6 +2003,19 @@ static int check_name(int argc, const char **argv, const char *prefix)
2003 return 0;
2004 }
2005
2006 +static int module_config(int argc, const char **argv, const char *prefix)
2007 +{
2008 + /* Equivalent to ACTION_GET in builtin/config.c */
2009 + if (argc == 2)
2010 + return print_config_from_gitmodules(the_repository, argv[1]);
2011 +
2012 + /* Equivalent to ACTION_SET in builtin/config.c */
2013 + if (argc == 3)
2014 + return config_set_in_gitmodules_file_gently(argv[1], argv[2]);
2015 +
2016 + die("submodule--helper config takes 1 or 2 arguments: name [value]");
2017 +}
2018 +
2019 #define SUPPORT_SUPER_PREFIX (1<<0)
2020
2021 struct cmd_struct {
@@ -2030,6 +2043,7 @@ static struct cmd_struct commands[] = {
2043 {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX},
2044 {"is-active", is_active, 0},
2045 {"check-name", check_name, 0},
2046 + {"config", module_config, 0},
2047 };
2048
2049 int cmd_submodule__helper(int argc, const char **argv, const char *prefix)
t/t7411-submodule-config.sh
+27
@@ -134,4 +134,31 @@ test_expect_success 'error in history in fetchrecursesubmodule lets continue' '
134 )
135 '
136
137 +test_expect_success 'reading submodules config with "submodule--helper config"' '
138 + (cd super &&
139 + echo "../submodule" >expect &&
140 + git submodule--helper config submodule.submodule.url >actual &&
141 + test_cmp expect actual
142 + )
143 +'
144 +
145 +test_expect_success 'writing submodules config with "submodule--helper config"' '
146 + (cd super &&
147 + echo "new_url" >expect &&
148 + git submodule--helper config submodule.submodule.url "new_url" &&
149 + git submodule--helper config submodule.submodule.url >actual &&
150 + test_cmp expect actual
151 + )
152 +'
153 +
154 +test_expect_success 'overwriting unstaged submodules config with "submodule--helper config"' '
155 + test_when_finished "git -C super checkout .gitmodules" &&
156 + (cd super &&
157 + echo "newer_url" >expect &&
158 + git submodule--helper config submodule.submodule.url "newer_url" &&
159 + git submodule--helper config submodule.submodule.url >actual &&
160 + test_cmp expect actual
161 + )
162 +'
163 +
164 test_done