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| author |  Junio C Hamano <gitster@pobox.com> | 2018-03-21 11:30:10 -0700 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2018-03-21 11:30:10 -0700 |
| commit | beb2cdf5041104a7513301a9b20944a617eec94e (patch) | |
| tree | 6f44e7c048bc9857025235064b956a5d1d53ee25 /cache.h | |
| parent | Merge branch 'ma/config-page-only-in-list-mode' (diff) | |
| parent | write_locked_index(): add flag to avoid writing unchanged index (diff) | |
| download | tgif-beb2cdf5041104a7513301a9b20944a617eec94e.tar.xz | |
Merge branch 'ma/skip-writing-unchanged-index'
Internal API clean-up to allow write_locked_index() optionally skip
writing the in-core index when it is not modified.
* ma/skip-writing-unchanged-index:
write_locked_index(): add flag to avoid writing unchanged index
Diffstat (limited to 'cache.h')
| -rw-r--r-- | cache.h | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -599,6 +599,7 @@ extern int read_index_unmerged(struct index_state *); /* For use with `write_locked_index()`. */ #define COMMIT_LOCK (1 << 0) +#define SKIP_IF_UNCHANGED (1 << 1) /* * Write the index while holding an already-taken lock. Close the lock, @@ -615,6 +616,9 @@ extern int read_index_unmerged(struct index_state *); * With `COMMIT_LOCK`, the lock is always committed or rolled back. * Without it, the lock is closed, but neither committed nor rolled * back. + * + * If `SKIP_IF_UNCHANGED` is given and the index is unchanged, nothing + * is written (and the lock is rolled back if `COMMIT_LOCK` is given). */ extern int write_locked_index(struct index_state *, struct lock_file *lock, unsigned flags); |