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-rwxr-xr-xt/t4060-diff-submodule-option-diff-format.sh321
1 files changed, 238 insertions, 83 deletions
diff --git a/t/t4060-diff-submodule-option-diff-format.sh b/t/t4060-diff-submodule-option-diff-format.sh
index 4b168d0ed7..97c6424cd5 100755
--- a/t/t4060-diff-submodule-option-diff-format.sh
+++ b/t/t4060-diff-submodule-option-diff-format.sh
@@ -42,6 +42,17 @@ commit_file () {
git commit "$@" -m "Commit $*" >/dev/null
}
+diff_cmp () {
+ for i in "$1" "$2"
+ do
+ sed -e 's/^index 0000000\.\.[0-9a-f]*/index 0000000..1234567/' \
+ -e 's/^index [0-9a-f]*\.\.[0-9a-f]*/index 1234567..89abcde/' \
+ "$i" >"$i.compare" || return 1
+ done &&
+ test_cmp "$1.compare" "$2.compare" &&
+ rm -f "$1.compare" "$2.compare"
+}
+
test_expect_success 'setup repository' '
test_create_repo sm1 &&
add_file . foo &&
@@ -69,7 +80,7 @@ test_expect_success 'added submodule' '
@@ -0,0 +1 @@
+foo2
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'added submodule, set diff.submodule' '
@@ -93,7 +104,7 @@ test_expect_success 'added submodule, set diff.submodule' '
@@ -0,0 +1 @@
+foo2
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success '--submodule=short overrides diff.submodule' '
@@ -109,7 +120,7 @@ test_expect_success '--submodule=short overrides diff.submodule' '
@@ -0,0 +1 @@
+Subproject commit $fullhead1
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'diff.submodule does not affect plumbing' '
@@ -124,7 +135,7 @@ test_expect_success 'diff.submodule does not affect plumbing' '
@@ -0,0 +1 @@
+Subproject commit $fullhead1
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
commit_file sm1 &&
@@ -142,7 +153,7 @@ test_expect_success 'modified submodule(forward)' '
@@ -0,0 +1 @@
+foo3
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule(forward)' '
@@ -157,7 +168,7 @@ test_expect_success 'modified submodule(forward)' '
@@ -0,0 +1 @@
+foo3
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule(forward) --submodule' '
@@ -166,7 +177,7 @@ test_expect_success 'modified submodule(forward) --submodule' '
Submodule sm1 $head1..$head2:
> Add foo3 ($added foo3)
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
fullhead2=$(cd sm1; git rev-parse --verify HEAD)
@@ -181,7 +192,7 @@ test_expect_success 'modified submodule(forward) --submodule=short' '
-Subproject commit $fullhead1
+Subproject commit $fullhead2
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
commit_file sm1 &&
@@ -210,7 +221,7 @@ test_expect_success 'modified submodule(backward)' '
@@ -1 +0,0 @@
-foo3
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
head4=$(add_file sm1 foo4 foo5)
@@ -247,7 +258,7 @@ test_expect_success 'modified submodule(backward and forward)' '
@@ -0,0 +1 @@
+foo5
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
commit_file sm1 &&
@@ -291,7 +302,7 @@ test_expect_success 'typechanged submodule(submodule->blob), --cached' '
@@ -0,0 +1 @@
+sm1
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'typechanged submodule(submodule->blob)' '
@@ -327,7 +338,7 @@ test_expect_success 'typechanged submodule(submodule->blob)' '
@@ -0,0 +1 @@
+foo5
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
rm -rf sm1 &&
@@ -344,19 +355,18 @@ test_expect_success 'typechanged submodule(submodule->blob)' '
@@ -0,0 +1 @@
+sm1
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
rm -f sm1 &&
test_create_repo sm1 &&
head6=$(add_file sm1 foo6 foo7)
-fullhead6=$(cd sm1; git rev-parse --verify HEAD)
test_expect_success 'nonexistent commit' '
git diff-index -p --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
Submodule sm1 $head4...$head6 (commits not present)
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
commit_file
@@ -386,44 +396,43 @@ test_expect_success 'typechanged submodule(blob->submodule)' '
@@ -0,0 +1 @@
+foo7
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
commit_file sm1 &&
test_expect_success 'submodule is up to date' '
+ head7=$(git -C sm1 rev-parse --short --verify HEAD) &&
git diff-index -p --submodule=diff HEAD >actual &&
- cat >expected <<-EOF &&
- EOF
- test_cmp expected actual
+ test_must_be_empty actual
'
test_expect_success 'submodule contains untracked content' '
echo new > sm1/new-file &&
- git diff-index -p --submodule=diff HEAD >actual &&
+ git diff-index -p --ignore-submodules=none --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
Submodule sm1 contains untracked content
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'submodule contains untracked content (untracked ignored)' '
- git diff-index -p --ignore-submodules=untracked --submodule=diff HEAD >actual &&
- ! test -s actual
+ git diff-index -p --submodule=diff HEAD >actual &&
+ test_must_be_empty actual
'
test_expect_success 'submodule contains untracked content (dirty ignored)' '
git diff-index -p --ignore-submodules=dirty --submodule=diff HEAD >actual &&
- ! test -s actual
+ test_must_be_empty actual
'
test_expect_success 'submodule contains untracked content (all ignored)' '
git diff-index -p --ignore-submodules=all --submodule=diff HEAD >actual &&
- ! test -s actual
+ test_must_be_empty actual
'
test_expect_success 'submodule contains untracked and modified content' '
echo new > sm1/foo6 &&
- git diff-index -p --submodule=diff HEAD >actual &&
+ git diff-index -p --ignore-submodules=none --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
Submodule sm1 contains untracked content
Submodule sm1 contains modified content
@@ -435,13 +444,13 @@ test_expect_success 'submodule contains untracked and modified content' '
-foo6
+new
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
# NOT OK
test_expect_success 'submodule contains untracked and modified content (untracked ignored)' '
echo new > sm1/foo6 &&
- git diff-index -p --ignore-submodules=untracked --submodule=diff HEAD >actual &&
+ git diff-index -p --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
Submodule sm1 contains modified content
diff --git a/sm1/foo6 b/sm1/foo6
@@ -452,19 +461,19 @@ test_expect_success 'submodule contains untracked and modified content (untracke
-foo6
+new
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'submodule contains untracked and modified content (dirty ignored)' '
echo new > sm1/foo6 &&
git diff-index -p --ignore-submodules=dirty --submodule=diff HEAD >actual &&
- ! test -s actual
+ test_must_be_empty actual
'
test_expect_success 'submodule contains untracked and modified content (all ignored)' '
echo new > sm1/foo6 &&
git diff-index -p --ignore-submodules --submodule=diff HEAD >actual &&
- ! test -s actual
+ test_must_be_empty actual
'
test_expect_success 'submodule contains modified content' '
@@ -480,7 +489,7 @@ test_expect_success 'submodule contains modified content' '
-foo6
+new
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
(cd sm1; git commit -mchange foo6 >/dev/null) &&
@@ -488,7 +497,7 @@ head8=$(cd sm1; git rev-parse --short --verify HEAD) &&
test_expect_success 'submodule is modified' '
git diff-index -p --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
- Submodule sm1 17243c9..$head8:
+ Submodule sm1 $head7..$head8:
diff --git a/sm1/foo6 b/sm1/foo6
index 462398b..3e75765 100644
--- a/sm1/foo6
@@ -497,15 +506,15 @@ test_expect_success 'submodule is modified' '
-foo6
+new
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule contains untracked content' '
echo new > sm1/new-file &&
- git diff-index -p --submodule=diff HEAD >actual &&
+ git diff-index -p --ignore-submodules=none --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
Submodule sm1 contains untracked content
- Submodule sm1 17243c9..$head8:
+ Submodule sm1 $head7..$head8:
diff --git a/sm1/foo6 b/sm1/foo6
index 462398b..3e75765 100644
--- a/sm1/foo6
@@ -514,13 +523,13 @@ test_expect_success 'modified submodule contains untracked content' '
-foo6
+new
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule contains untracked content (untracked ignored)' '
- git diff-index -p --ignore-submodules=untracked --submodule=diff HEAD >actual &&
+ git diff-index -p --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
- Submodule sm1 17243c9..$head8:
+ Submodule sm1 $head7..$head8:
diff --git a/sm1/foo6 b/sm1/foo6
index 462398b..3e75765 100644
--- a/sm1/foo6
@@ -529,13 +538,13 @@ test_expect_success 'modified submodule contains untracked content (untracked ig
-foo6
+new
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule contains untracked content (dirty ignored)' '
git diff-index -p --ignore-submodules=dirty --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
- Submodule sm1 17243c9..cfce562:
+ Submodule sm1 $head7..$head8:
diff --git a/sm1/foo6 b/sm1/foo6
index 462398b..3e75765 100644
--- a/sm1/foo6
@@ -544,21 +553,21 @@ test_expect_success 'modified submodule contains untracked content (dirty ignore
-foo6
+new
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule contains untracked content (all ignored)' '
git diff-index -p --ignore-submodules=all --submodule=diff HEAD >actual &&
- ! test -s actual
+ test_must_be_empty actual
'
test_expect_success 'modified submodule contains untracked and modified content' '
echo modification >> sm1/foo6 &&
- git diff-index -p --submodule=diff HEAD >actual &&
+ git diff-index -p --ignore-submodules=none --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
Submodule sm1 contains untracked content
Submodule sm1 contains modified content
- Submodule sm1 17243c9..cfce562:
+ Submodule sm1 $head7..$head8:
diff --git a/sm1/foo6 b/sm1/foo6
index 462398b..dfda541 100644
--- a/sm1/foo6
@@ -568,15 +577,15 @@ test_expect_success 'modified submodule contains untracked and modified content'
+new
+modification
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule contains untracked and modified content (untracked ignored)' '
echo modification >> sm1/foo6 &&
- git diff-index -p --ignore-submodules=untracked --submodule=diff HEAD >actual &&
+ git diff-index -p --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
Submodule sm1 contains modified content
- Submodule sm1 17243c9..cfce562:
+ Submodule sm1 $head7..$head8:
diff --git a/sm1/foo6 b/sm1/foo6
index 462398b..e20e2d9 100644
--- a/sm1/foo6
@@ -587,14 +596,14 @@ test_expect_success 'modified submodule contains untracked and modified content
+modification
+modification
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule contains untracked and modified content (dirty ignored)' '
echo modification >> sm1/foo6 &&
git diff-index -p --ignore-submodules=dirty --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
- Submodule sm1 17243c9..cfce562:
+ Submodule sm1 $head7..$head8:
diff --git a/sm1/foo6 b/sm1/foo6
index 462398b..3e75765 100644
--- a/sm1/foo6
@@ -603,13 +612,13 @@ test_expect_success 'modified submodule contains untracked and modified content
-foo6
+new
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'modified submodule contains untracked and modified content (all ignored)' '
echo modification >> sm1/foo6 &&
git diff-index -p --ignore-submodules --submodule=diff HEAD >actual &&
- ! test -s actual
+ test_must_be_empty actual
'
# NOT OK
@@ -618,7 +627,7 @@ test_expect_success 'modified submodule contains modified content' '
git diff-index -p --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
Submodule sm1 contains modified content
- Submodule sm1 17243c9..cfce562:
+ Submodule sm1 $head7..$head8:
diff --git a/sm1/foo6 b/sm1/foo6
index 462398b..ac466ca 100644
--- a/sm1/foo6
@@ -631,29 +640,29 @@ test_expect_success 'modified submodule contains modified content' '
+modification
+modification
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
rm -rf sm1
test_expect_success 'deleted submodule' '
git diff-index -p --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
- Submodule sm1 17243c9...0000000 (submodule deleted)
+ Submodule sm1 $head7...0000000 (submodule deleted)
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'create second submodule' '
test_create_repo sm2 &&
- head7=$(add_file sm2 foo8 foo9) &&
+ head9=$(add_file sm2 foo8 foo9) &&
git add sm2
'
test_expect_success 'multiple submodules' '
git diff-index -p --submodule=diff HEAD >actual &&
cat >expected <<-EOF &&
- Submodule sm1 17243c9...0000000 (submodule deleted)
- Submodule sm2 0000000...a5a65c9 (new submodule)
+ Submodule sm1 $head7...0000000 (submodule deleted)
+ Submodule sm2 0000000...$head9 (new submodule)
diff --git a/sm2/foo8 b/sm2/foo8
new file mode 100644
index 0000000..db9916b
@@ -669,13 +678,13 @@ test_expect_success 'multiple submodules' '
@@ -0,0 +1 @@
+foo9
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'path filter' '
git diff-index -p --submodule=diff HEAD sm2 >actual &&
cat >expected <<-EOF &&
- Submodule sm2 0000000...a5a65c9 (new submodule)
+ Submodule sm2 0000000...$head9 (new submodule)
diff --git a/sm2/foo8 b/sm2/foo8
new file mode 100644
index 0000000..db9916b
@@ -691,15 +700,31 @@ test_expect_success 'path filter' '
@@ -0,0 +1 @@
+foo9
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
-commit_file sm2
+cat >.gitmodules <<-EOF
+[submodule "sm2"]
+ path = sm2
+ url = bogus_url
+EOF
+git add .gitmodules
+commit_file sm2 .gitmodules
+
test_expect_success 'given commit' '
git diff-index -p --submodule=diff HEAD^ >actual &&
cat >expected <<-EOF &&
- Submodule sm1 17243c9...0000000 (submodule deleted)
- Submodule sm2 0000000...a5a65c9 (new submodule)
+ diff --git a/.gitmodules b/.gitmodules
+ new file mode 100644
+ index 1234567..89abcde
+ --- /dev/null
+ +++ b/.gitmodules
+ @@ -0,0 +1,3 @@
+ +[submodule "sm2"]
+ +path = sm2
+ +url = bogus_url
+ Submodule sm1 $head7...0000000 (submodule deleted)
+ Submodule sm2 0000000...$head9 (new submodule)
diff --git a/sm2/foo8 b/sm2/foo8
new file mode 100644
index 0000000..db9916b
@@ -715,21 +740,27 @@ test_expect_success 'given commit' '
@@ -0,0 +1 @@
+foo9
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'setup .git file for sm2' '
- (cd sm2 &&
- REAL="$(pwd)/../.real" &&
- mv .git "$REAL"
- echo "gitdir: $REAL" >.git)
+ git submodule absorbgitdirs sm2
'
test_expect_success 'diff --submodule=diff with .git file' '
git diff --submodule=diff HEAD^ >actual &&
cat >expected <<-EOF &&
- Submodule sm1 17243c9...0000000 (submodule deleted)
- Submodule sm2 0000000...a5a65c9 (new submodule)
+ diff --git a/.gitmodules b/.gitmodules
+ new file mode 100644
+ index 1234567..89abcde
+ --- /dev/null
+ +++ b/.gitmodules
+ @@ -0,0 +1,3 @@
+ +[submodule "sm2"]
+ +path = sm2
+ +url = bogus_url
+ Submodule sm1 $head7...0000000 (submodule deleted)
+ Submodule sm2 0000000...$head9 (new submodule)
diff --git a/sm2/foo8 b/sm2/foo8
new file mode 100644
index 0000000..db9916b
@@ -745,25 +776,85 @@ test_expect_success 'diff --submodule=diff with .git file' '
@@ -0,0 +1 @@
+foo9
EOF
- test_cmp expected actual
+ diff_cmp expected actual
'
+mv sm2 sm2-bak
+
+test_expect_success 'deleted submodule with .git file' '
+ git diff-index -p --submodule=diff HEAD >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm1 $head7...0000000 (submodule deleted)
+ Submodule sm2 $head9...0000000 (submodule deleted)
+ diff --git a/sm2/foo8 b/sm2/foo8
+ deleted file mode 100644
+ index 1234567..89abcde
+ --- a/sm2/foo8
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo8
+ diff --git a/sm2/foo9 b/sm2/foo9
+ deleted file mode 100644
+ index 1234567..89abcde
+ --- a/sm2/foo9
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo9
+ EOF
+ diff_cmp expected actual
+'
+
+echo submodule-to-blob>sm2
+
+test_expect_success 'typechanged(submodule->blob) submodule with .git file' '
+ git diff-index -p --submodule=diff HEAD >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm1 $head7...0000000 (submodule deleted)
+ Submodule sm2 $head9...0000000 (submodule deleted)
+ diff --git a/sm2/foo8 b/sm2/foo8
+ deleted file mode 100644
+ index 1234567..89abcde
+ --- a/sm2/foo8
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo8
+ diff --git a/sm2/foo9 b/sm2/foo9
+ deleted file mode 100644
+ index 1234567..89abcde
+ --- a/sm2/foo9
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo9
+ diff --git a/sm2 b/sm2
+ new file mode 100644
+ index 1234567..89abcde
+ --- /dev/null
+ +++ b/sm2
+ @@ -0,0 +1 @@
+ +submodule-to-blob
+ EOF
+ diff_cmp expected actual
+'
+
+rm sm2
+mv sm2-bak sm2
+
test_expect_success 'setup nested submodule' '
- git submodule add -f ./sm2 &&
- git commit -a -m "add sm2" &&
- git -C sm2 submodule add ../sm2 nested &&
- git -C sm2 commit -a -m "nested sub"
+ git -c protocol.file.allow=always -C sm2 submodule add ../sm2 nested &&
+ git -C sm2 commit -a -m "nested sub" &&
+ head10=$(git -C sm2 rev-parse --short --verify HEAD)
'
test_expect_success 'move nested submodule HEAD' '
echo "nested content" >sm2/nested/file &&
git -C sm2/nested add file &&
- git -C sm2/nested commit --allow-empty -m "new HEAD"
+ git -C sm2/nested commit --allow-empty -m "new HEAD" &&
+ head11=$(git -C sm2/nested rev-parse --short --verify HEAD)
'
test_expect_success 'diff --submodule=diff with moved nested submodule HEAD' '
cat >expected <<-EOF &&
- Submodule nested a5a65c9..b55928c:
+ Submodule nested $head9..$head11:
diff --git a/nested/file b/nested/file
new file mode 100644
index 0000000..ca281f5
@@ -774,13 +865,14 @@ test_expect_success 'diff --submodule=diff with moved nested submodule HEAD' '
EOF
git -C sm2 diff --submodule=diff >actual 2>err &&
test_must_be_empty err &&
- test_cmp expected actual
+ diff_cmp expected actual
'
test_expect_success 'diff --submodule=diff recurses into nested submodules' '
cat >expected <<-EOF &&
+ Submodule sm1 $head7...0000000 (submodule deleted)
Submodule sm2 contains modified content
- Submodule sm2 a5a65c9..280969a:
+ Submodule sm2 $head9..$head10:
diff --git a/sm2/.gitmodules b/sm2/.gitmodules
new file mode 100644
index 0000000..3a816b8
@@ -790,7 +882,7 @@ test_expect_success 'diff --submodule=diff recurses into nested submodules' '
+[submodule "nested"]
+ path = nested
+ url = ../sm2
- Submodule nested 0000000...b55928c (new submodule)
+ Submodule nested 0000000...$head11 (new submodule)
diff --git a/sm2/nested/file b/sm2/nested/file
new file mode 100644
index 0000000..ca281f5
@@ -815,7 +907,70 @@ test_expect_success 'diff --submodule=diff recurses into nested submodules' '
EOF
git diff --submodule=diff >actual 2>err &&
test_must_be_empty err &&
- test_cmp expected actual
+ diff_cmp expected actual
+'
+
+(cd sm2; commit_file nested)
+commit_file sm2
+head12=$(cd sm2; git rev-parse --short --verify HEAD)
+
+mv sm2 sm2-bak
+
+test_expect_success 'diff --submodule=diff recurses into deleted nested submodules' '
+ cat >expected <<-EOF &&
+ Submodule sm1 $head7...0000000 (submodule deleted)
+ Submodule sm2 $head12...0000000 (submodule deleted)
+ diff --git a/sm2/.gitmodules b/sm2/.gitmodules
+ deleted file mode 100644
+ index 3a816b8..0000000
+ --- a/sm2/.gitmodules
+ +++ /dev/null
+ @@ -1,3 +0,0 @@
+ -[submodule "nested"]
+ - path = nested
+ - url = ../sm2
+ diff --git a/sm2/foo8 b/sm2/foo8
+ deleted file mode 100644
+ index db9916b..0000000
+ --- a/sm2/foo8
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo8
+ diff --git a/sm2/foo9 b/sm2/foo9
+ deleted file mode 100644
+ index 9c3b4f6..0000000
+ --- a/sm2/foo9
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo9
+ Submodule nested $head11...0000000 (submodule deleted)
+ diff --git a/sm2/nested/file b/sm2/nested/file
+ deleted file mode 100644
+ index ca281f5..0000000
+ --- a/sm2/nested/file
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -nested content
+ diff --git a/sm2/nested/foo8 b/sm2/nested/foo8
+ deleted file mode 100644
+ index db9916b..0000000
+ --- a/sm2/nested/foo8
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo8
+ diff --git a/sm2/nested/foo9 b/sm2/nested/foo9
+ deleted file mode 100644
+ index 9c3b4f6..0000000
+ --- a/sm2/nested/foo9
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -foo9
+ EOF
+ git diff --submodule=diff >actual 2>err &&
+ test_must_be_empty err &&
+ diff_cmp expected actual
'
+mv sm2-bak sm2
+
test_done