From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 8 Aug 2016 21:21:32 +0000 (-0700)
Subject: Merge branch 'nd/cache-tree-ita' into maint
X-Git-Tag: v2.9.3~43
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/880b3fee51e9b5b0bb7c0361fd3bf2c5fedda5bf

Merge branch 'nd/cache-tree-ita' into maint

"git add -N dir/file && git write-tree" produced an incorrect tree
when there are other paths in the same directory that sorts after
"file".

* nd/cache-tree-ita:
cache-tree: do not generate empty trees as a result of all i-t-a subentries
cache-tree.c: fix i-t-a entry skipping directory updates sometimes
test-lib.sh: introduce and use $EMPTY_BLOB
test-lib.sh: introduce and use $EMPTY_TREE
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880b3fee51e9b5b0bb7c0361fd3bf2c5fedda5bf