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 df0d9c166..dac02604d 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1128,6 +1128,16 @@ 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 {
@@ -1147,6 +1157,7 @@ static struct cmd_struct commands[] = {
{"init", module_init, 0},
{"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