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refs: allow log-only updates

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The refs infrastructure learns about log-only ref updates, which only
update the reflog.  Later, we will use this to separate symbolic
reference resolution from ref updating.

Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
This commit is contained in:
David Turner
2016-02-24 17:58:50 -05:00
committed by Michael Haggerty
parent 8bb0455367
commit d99aa884df
2 changed files with 17 additions and 6 deletions
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7
refs/refs-internal.h
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@ -42,6 +42,13 @@
* value to ref_update::flags
*/
/*
* Used as a flag in ref_update::flags when we want to log a ref
* update but not actually perform it. This is used when a symbolic
* ref update is split up.
*/
#define REF_LOG_ONLY 0x80
/*
* Return true iff refname is minimally safe. "Safe" here means that
* deleting a loose reference by this name will not do any damage, for