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Break down no-lstat() condition checks in verify_uptodate() 

Make it easier to grok under what conditions we can skip lstat().

While at there, shorten ie_match_stat() line for the sake of my eyes.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2011-07-30 10:55:05 +07:00 committed by Junio C Hamano
parent dd008b3b11
commit d5b6629904
1 changed files with 13 additions and 2 deletions
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15
unpack-trees.c
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@ -1166,11 +1166,22 @@ static int verify_uptodate_1(struct cache_entry *ce,
{
struct stat st;
if (o->index_only || (!((ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) && (o->reset || ce_uptodate(ce))))
if (o->index_only)
return 0;
/*
* CE_VALID and CE_SKIP_WORKTREE cheat, we better check again
* if this entry is truly up-to-date because this file may be
* overwritten.
*/
if ((ce->ce_flags & CE_VALID) || ce_skip_worktree(ce))
; /* keep checking */
else if (o->reset || ce_uptodate(ce))
return 0;
if (!lstat(ce->name, &st)) {
unsigned changed = ie_match_stat(o->src_index, ce, &st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
int flags = CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE;
unsigned changed = ie_match_stat(o->src_index, ce, &st, flags);
if (!changed)
return 0;
/*