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Make unpack-tree update removed files before any updated files

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This is immaterial on sane filesystems, but if you have a broken (aka
case-insensitive) filesystem, and the objective is to remove the file
'abc' and replace it with the file 'Abc', then we must make sure to do
the removal first.

Otherwise, you'd first update the file 'Abc' - which would just
overwrite the file 'abc' due to the broken case-insensitive filesystem -
and then remove file 'abc' - which would now brokenly remove the just
updated file 'Abc' on that broken filesystem.

By doing removals first, this won't happen.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds 2008-03-22 09:48:41 -07:00 committed by Junio C Hamano
parent 32260ad5db
commit 1fa6ead492
1 changed files with 7 additions and 2 deletions
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9
unpack-trees.c
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@ -79,16 +79,21 @@ static int check_updates(struct unpack_trees_options *o)
for (i = 0; i < index->cache_nr; i++) {
struct cache_entry *ce = index->cache[i];
if (ce->ce_flags & (CE_UPDATE | CE_REMOVE))
display_progress(progress, ++cnt);
if (ce->ce_flags & CE_REMOVE) {
display_progress(progress, ++cnt);
if (o->update)
unlink_entry(ce->name, last_symlink);
remove_index_entry_at(&o->result, i);
i--;
continue;
}
}
for (i = 0; i < index->cache_nr; i++) {
struct cache_entry *ce = index->cache[i];
if (ce->ce_flags & CE_UPDATE) {
display_progress(progress, ++cnt);
ce->ce_flags &= ~CE_UPDATE;
if (o->update) {
errs |= checkout_entry(ce, &state, NULL);