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setup: allow check_repository_format to read repository format

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In some cases, we will want to not only check the repository format, but
extract the information that we've gained.  To do so, allow
check_repository_format to take a pointer to struct repository_format.
Allow passing NULL for this argument if we're not interested in the
information, and pass NULL for all existing callers.  A future patch
will make use of this information.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson
2020-02-22 20:17:37 +00:00
committed by Junio C Hamano
parent bf154a8782
commit cfe3917c85
4 changed files with 9 additions and 5 deletions
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4
cache.h
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@ -1086,8 +1086,10 @@ int verify_repository_format(const struct repository_format *format,
* and die if it is a version we don't understand. Generally one would
* set_git_dir() before calling this, and use it only for "are we in a valid
* repo?".
*
* If successful and fmt is not NULL, fill fmt with data.
*/
void check_repository_format(void);
void check_repository_format(struct repository_format *fmt);
#define MTIME_CHANGED 0x0001
#define CTIME_CHANGED 0x0002