leak tests: mark some diff tests as passing with SANITIZE=leak

Mark some tests that match "*diff*" as passing when git is compiled
with SANITIZE=leak. They'll now be listed as running under the
"GIT_TEST_PASSING_SANITIZE_LEAK=true" test mode (the "linux-leaks" CI
target).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t4000-diff-format.sh

@@ -6,6 +6,8 @@
 test_description='Test built-in diff output engine.
 
 '
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh
 

t/t4003-diff-rename-1.sh

@@ -6,6 +6,8 @@
 test_description='More rename detection
 
 '
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh ;# test-lib chdir's into trash
 

t/t4004-diff-rename-symlink.sh

@@ -9,6 +9,8 @@ The rename detection logic should be able to detect pure rename or
 copy of symbolic links, but should not produce rename/copy followed
 by an edit for them.
 '
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh
 

t/t4005-diff-rename-2.sh

@@ -5,6 +5,8 @@
 
 test_description='Same rename detection as t4003 but testing diff-raw.'
 
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh ;# test-lib chdir's into trash
 

t/t4006-diff-mode.sh

@@ -6,6 +6,8 @@
 test_description='Test mode change diffs.
 
 '
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 sed_script='s/\(:100644 100755\) \('"$OID_REGEX"'\) \2 /\1 X X /'

t/t4009-diff-rename-4.sh

@@ -6,6 +6,8 @@
 test_description='Same rename detection as t4003 but testing diff-raw -z.
 
 '
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh ;# test-lib chdir's into trash
 

t/t4010-diff-pathspec.sh

@@ -9,6 +9,8 @@ Prepare:
         file0
         path1/file1
 '
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh ;# test-lib chdir's into trash
 

t/t4011-diff-symlink.sh

@@ -6,6 +6,8 @@
 test_description='Test diff of symlinks.
 
 '
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh
 

t/t4012-diff-binary.sh

@@ -6,6 +6,7 @@
 test_description='Binary diff and apply
 '
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 cat >expect.binary-numstat <<\EOF

t/t4020-diff-external.sh

@@ -2,6 +2,7 @@
 
 test_description='external diff interface test'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

t/t4024-diff-optimize-common.sh

@@ -2,6 +2,7 @@
 
 test_description='common tail optimization'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 z=zzzzzzzz ;# 8

t/t4027-diff-submodule.sh

@@ -2,6 +2,7 @@
 
 test_description='difference in submodules'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh
 

t/t4029-diff-trailing-space.sh

@@ -4,6 +4,7 @@
 #
 test_description='diff honors config option, diff.suppressBlankEmpty'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 cat <<\EOF >expected ||

t/t4032-diff-inter-hunk-context.sh

@@ -2,6 +2,7 @@
 
 test_description='diff hunk fusing'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 f() {

t/t4033-diff-patience.sh

@@ -2,6 +2,7 @@
 
 test_description='patience diff algorithm'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff-alternative.sh
 

t/t4034-diff-words.sh

@@ -2,6 +2,7 @@
 
 test_description='word diff colors'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh
 

t/t4035-diff-quiet.sh

@@ -2,6 +2,7 @@
 
 test_description='Return value of diffs'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success 'setup' '

t/t4037-diff-r-t-dirs.sh

@@ -2,6 +2,7 @@
 
 test_description='diff -r -t shows directory additions and deletions'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

t/t4040-whitespace-status.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='diff --exit-code with whitespace'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

t/t4046-diff-unmerged.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='diff with unmerged index entries'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

t/t4049-diff-stat-count.sh

@@ -2,6 +2,8 @@
 # Copyright (c) 2011, Google Inc.
 
 test_description='diff --stat-count'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success 'setup' '

t/t4050-diff-histogram.sh

@@ -2,6 +2,7 @@
 
 test_description='histogram diff algorithm'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff-alternative.sh
 

t/t4054-diff-bogus-tree.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='test diff with a bogus tree containing the null sha1'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success 'create bogus tree' '

t/t4062-diff-pickaxe.sh

@@ -5,6 +5,7 @@
 
 test_description='Pickaxe options'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

t/t4063-diff-blobs.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='test direct comparison of blobs via git-diff'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 run_diff () {