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submodule: add die_in_unpopulated_submodule function

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Currently 'git add' is the only command which dies when launched from an
unpopulated submodule (the place-holder directory for a submodule which
hasn't been checked out).  This is triggered implicitly by passing the
PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE flag to 'parse_pathspec()'.

Instead make this desire more explicit by creating a function
'die_in_unpopulated_submodule()' which dies if the provided 'prefix' has
a leading path component which matches a submodule in the the index.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Williams
2017-05-09 12:17:59 -07:00
committed by Junio C Hamano
parent 2c3b40799f
commit bdab972153
5 changed files with 36 additions and 34 deletions
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2
submodule.h
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@ -49,6 +49,8 @@ extern int is_submodule_initialized(const char *path);
* Otherwise the return error code is the same as of resolve_gitdir_gently.
*/
extern int is_submodule_populated_gently(const char *path, int *return_error_code);
extern void die_in_unpopulated_submodule(const struct index_state *istate,
const char *prefix);
extern int parse_submodule_update_strategy(const char *value,
struct submodule_update_strategy *dst);
extern const char *submodule_strategy_to_string(const struct submodule_update_strategy *s);