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Make 'traverse_trees()' traverse conflicting DF entries in parallel

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This makes the traverse_trees() entry comparator routine use the more
relaxed form of name comparison that considers files and directories
with the same name identical.

We pass in a separate mask for just the directory entries, so that the
callback routine can decide (if it wants to) to only handle one or the
other type, but generally most (all?) users are expected to really want
to see the case of a name 'foo' showing up in one tree as a file and in
another as a directory at the same time.

In particular, moving 'unpack_trees()' over to use this tree traversal
mechanism requires this.

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
2008-03-05 20:06:18 -08:00
committed by Junio C Hamano
parent 5803c6f8a2
commit 91e4f03604
3 changed files with 9 additions and 4 deletions
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2
merge-tree.c
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@ -287,7 +287,7 @@ static void unresolved(const struct traverse_info *info, struct name_entry n[3])
* The successful merge rules are the same as for the three-way merge
* in git-read-tree.
*/
static int threeway_callback(int n, unsigned long mask, struct name_entry *entry, struct traverse_info *info)
static int threeway_callback(int n, unsigned long mask, unsigned long dirmask, struct name_entry *entry, struct traverse_info *info)
{
/* Same in both? */
if (same_entry(entry+1, entry+2)) {