Merge branch 'jh/memihash-opt'

Hotfix for a topic that is already in 'master'.

* jh/memihash-opt:
  p0004: make perf test executable
  t3008: skip lazy-init test on a single-core box
  test-online-cpus: helper to return cpu count
  name-hash: fix buffer overrun

1 files changed, 27 insertions, 0 deletions

diff --git a/t/t3008-ls-files-lazy-init-name-hash.sh b/t/t3008-ls-files-lazy-init-name-hash.sh
new file mode 100755
index 000000000..bdf5198b7
--- /dev/null
+++ b/t/t3008-ls-files-lazy-init-name-hash.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+test_description='Test the lazy init name hash with various folder structures'
+
+. ./test-lib.sh
+
+if test 1 -eq $($GIT_BUILD_DIR/t/helper/test-online-cpus)
+then
+	skip_all='skipping lazy-init tests, single cpu'
+	test_done
+fi
+
+LAZY_THREAD_COST=2000
+
+test_expect_success 'no buffer overflow in lazy_init_name_hash' '
+	(
+	    test_seq $LAZY_THREAD_COST | sed "s/^/a_/"
+	    echo b/b/b
+	    test_seq $LAZY_THREAD_COST | sed "s/^/c_/"
+	    test_seq 50 | sed "s/^/d_/" | tr "\n" "/"; echo d
+	) |
+	sed "s/^/100644 $EMPTY_BLOB	/" |
+	git update-index --index-info &&
+	test-lazy-init-name-hash -m
+'
+
+test_done