There are a lot of places where an explicit check for submodule."<name>".url is done to see if a submodule exists. In order to centralize this check introduce a helper which can be used to query if a submodule is active or not. Signed-off-by: Brandon Williams <bmwill@xxxxxxxxxx> --- builtin/submodule--helper.c | 11 +++++++++++ t/t7413-submodule-is-active.sh | 31 +++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) create mode 100755 t/t7413-submodule-is-active.sh diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 15a5430c0..5fe7e23b1 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -1127,6 +1127,16 @@ static int absorb_git_dirs(int argc, const char **argv, const char *prefix) return 0; } +static int is_active(int argc, const char **argv, const char *prefix) +{ + if (argc != 2) + die("submodule--helper is-active takes exactly 1 arguments"); + + gitmodules_config(); + + return !is_submodule_initialized(argv[1]); +} + #define SUPPORT_SUPER_PREFIX (1<<0) struct cmd_struct { @@ -1146,6 +1156,7 @@ static struct cmd_struct commands[] = { {"init", module_init, SUPPORT_SUPER_PREFIX}, {"remote-branch", resolve_remote_submodule_branch, 0}, {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX}, + {"is-active", is_active, 0}, }; int cmd_submodule__helper(int argc, const char **argv, const char *prefix) diff --git a/t/t7413-submodule-is-active.sh b/t/t7413-submodule-is-active.sh new file mode 100755 index 000000000..f18e0c925 --- /dev/null +++ b/t/t7413-submodule-is-active.sh @@ -0,0 +1,31 @@ +#!/bin/sh + +test_description='Test submodule--helper is-active + +This test verifies that `git submodue--helper is-active` correclty identifies +submodules which are "active" and interesting to the user. +' + +. ./test-lib.sh + +test_expect_success 'setup' ' + git init sub && + test_commit -C sub initial && + git init super && + test_commit -C super initial && + git -C super submodule add ../sub sub1 && + git -C super submodule add ../sub sub2 && + git -C super commit -a -m "add 2 submodules at sub{1,2}" +' + +test_expect_success 'is-active works with urls' ' + git -C super submodule--helper is-active sub1 && + git -C super submodule--helper is-active sub2 && + + git -C super config --unset submodule.sub1.URL && + test_must_fail git -C super submodule--helper is-active sub1 && + git -C super config submodule.sub1.URL ../sub && + git -C super submodule--helper is-active sub1 +' + +test_done -- 2.12.0.246.ga2ecc84866-goog