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submodules: add helper to determine if a submodule is populated

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Add the `is_submodule_populated()` helper function to submodules.c.
`is_submodule_populated()` performes a check to see if a submodule has
been checkout out (and has a valid .git directory/file) at the given path.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Williams
2016-12-16 11:03:16 -08:00
committed by Junio C Hamano
parent e9a379c352
commit 5688c28d81
2 changed files with 16 additions and 0 deletions
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submodule.h
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@ -37,6 +37,7 @@ void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt,
const char *path);
int submodule_config(const char *var, const char *value, void *cb);
void gitmodules_config(void);
extern int is_submodule_populated(const char *path);
int parse_submodule_update_strategy(const char *value,
struct submodule_update_strategy *dst);
const char *submodule_strategy_to_string(const struct submodule_update_strategy *s);