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-rwxr-xr-xt/t4041-diff-submodule-option.sh661
1 files changed, 390 insertions, 271 deletions
diff --git a/t/t4041-diff-submodule-option.sh b/t/t4041-diff-submodule-option.sh
index 995bdfafec..2d9731b52d 100755
--- a/t/t4041-diff-submodule-option.sh
+++ b/t/t4041-diff-submodule-option.sh
@@ -1,6 +1,7 @@
#!/bin/sh
#
# Copyright (c) 2009 Jens Lehmann, based on t7401 by Ping Yin
+# Copyright (c) 2011 Alexey Shumkin (+ non-UTF-8 commit encoding tests)
#
test_description='Support for verbose submodule differences in git diff
@@ -10,19 +11,28 @@ This test tries to verify the sanity of the --submodule option of git diff.
. ./test-lib.sh
+# Tested non-UTF-8 encoding
+test_encoding="ISO8859-1"
+
+# String "added" in German (translated with Google Translate), encoded in UTF-8,
+# used in sample commit log messages in add_file() function below.
+added=$(printf "hinzugef\303\274gt")
add_file () {
- sm=$1
- shift
- owd=$(pwd)
- cd "$sm"
- for name; do
- echo "$name" > "$name" &&
- git add "$name" &&
- test_tick &&
- git commit -m "Add $name"
- done >/dev/null
- git rev-parse --verify HEAD | cut -c1-7
- cd "$owd"
+ (
+ cd "$1" &&
+ shift &&
+ for name
+ do
+ echo "$name" >"$name" &&
+ git add "$name" &&
+ test_tick &&
+ # "git commit -m" would break MinGW, as Windows refuse to pass
+ # $test_encoding encoded parameter to git.
+ echo "Add $name ($added $name)" | iconv -f utf-8 -t $test_encoding |
+ git -c "i18n.commitEncoding=$test_encoding" commit -F -
+ done >/dev/null &&
+ git rev-parse --short --verify HEAD
+ )
}
commit_file () {
test_tick &&
@@ -33,85 +43,133 @@ test_create_repo sm1 &&
add_file . foo >/dev/null
head1=$(add_file sm1 foo1 foo2)
+fullhead1=$(cd sm1; git rev-parse --verify HEAD)
-test_expect_success 'added submodule' "
+test_expect_success 'added submodule' '
git add sm1 &&
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 0000000...$head1 (new submodule)
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 0000000...$head1 (new submodule)
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'added submodule, set diff.submodule' '
+ git config diff.submodule log &&
+ git add sm1 &&
+ git diff --cached >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm1 0000000...$head1 (new submodule)
+ EOF
+ git config --unset diff.submodule &&
+ test_cmp expected actual
+'
+
+test_expect_success '--submodule=short overrides diff.submodule' '
+ test_config diff.submodule log &&
+ git add sm1 &&
+ git diff --submodule=short --cached >actual &&
+ cat >expected <<-EOF &&
+ diff --git a/sm1 b/sm1
+ new file mode 160000
+ index 0000000..$head1
+ --- /dev/null
+ +++ b/sm1
+ @@ -0,0 +1 @@
+ +Subproject commit $fullhead1
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'diff.submodule does not affect plumbing' '
+ test_config diff.submodule log &&
+ git diff-index -p HEAD >actual &&
+ cat >expected <<-EOF &&
+ diff --git a/sm1 b/sm1
+ new file mode 160000
+ index 0000000..$head1
+ --- /dev/null
+ +++ b/sm1
+ @@ -0,0 +1 @@
+ +Subproject commit $fullhead1
+ EOF
+ test_cmp expected actual
+'
commit_file sm1 &&
head2=$(add_file sm1 foo3)
-test_expect_success 'modified submodule(forward)' "
+test_expect_success 'modified submodule(forward)' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head1..$head2:
- > Add foo3
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head1..$head2:
+ > Add foo3 ($added foo3)
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'modified submodule(forward)' "
+test_expect_success 'modified submodule(forward)' '
git diff --submodule=log >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head1..$head2:
- > Add foo3
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head1..$head2:
+ > Add foo3 ($added foo3)
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'modified submodule(forward) --submodule' "
+test_expect_success 'modified submodule(forward) --submodule' '
git diff --submodule >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head1..$head2:
- > Add foo3
-EOF
-"
-
-fullhead1=$(cd sm1; git rev-list --max-count=1 $head1)
-fullhead2=$(cd sm1; git rev-list --max-count=1 $head2)
-test_expect_success 'modified submodule(forward) --submodule=short' "
+ cat >expected <<-EOF &&
+ Submodule sm1 $head1..$head2:
+ > Add foo3 ($added foo3)
+ EOF
+ test_cmp expected actual
+'
+
+fullhead2=$(cd sm1; git rev-parse --verify HEAD)
+test_expect_success 'modified submodule(forward) --submodule=short' '
git diff --submodule=short >actual &&
- diff actual - <<-EOF
-diff --git a/sm1 b/sm1
-index $head1..$head2 160000
---- a/sm1
-+++ b/sm1
-@@ -1 +1 @@
--Subproject commit $fullhead1
-+Subproject commit $fullhead2
-EOF
-"
+ cat >expected <<-EOF &&
+ diff --git a/sm1 b/sm1
+ index $head1..$head2 160000
+ --- a/sm1
+ +++ b/sm1
+ @@ -1 +1 @@
+ -Subproject commit $fullhead1
+ +Subproject commit $fullhead2
+ EOF
+ test_cmp expected actual
+'
commit_file sm1 &&
head3=$(
cd sm1 &&
git reset --hard HEAD~2 >/dev/null &&
- git rev-parse --verify HEAD | cut -c1-7
+ git rev-parse --short --verify HEAD
)
-test_expect_success 'modified submodule(backward)' "
+test_expect_success 'modified submodule(backward)' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head2..$head3 (rewind):
- < Add foo3
- < Add foo2
-EOF
-"
-
-head4=$(add_file sm1 foo4 foo5) &&
-head4_full=$(GIT_DIR=sm1/.git git rev-parse --verify HEAD)
-test_expect_success 'modified submodule(backward and forward)' "
+ cat >expected <<-EOF &&
+ Submodule sm1 $head2..$head3 (rewind):
+ < Add foo3 ($added foo3)
+ < Add foo2 ($added foo2)
+ EOF
+ test_cmp expected actual
+'
+
+head4=$(add_file sm1 foo4 foo5)
+test_expect_success 'modified submodule(backward and forward)' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head2...$head4:
- > Add foo5
- > Add foo4
- < Add foo3
- < Add foo2
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head2...$head4:
+ > Add foo5 ($added foo5)
+ > Add foo4 ($added foo4)
+ < Add foo3 ($added foo3)
+ < Add foo2 ($added foo2)
+ EOF
+ test_cmp expected actual
+'
commit_file sm1 &&
mv sm1 sm1-bak &&
@@ -121,295 +179,319 @@ git add sm1 &&
rm -f sm1 &&
mv sm1-bak sm1
-test_expect_success 'typechanged submodule(submodule->blob), --cached' "
+test_expect_success 'typechanged submodule(submodule->blob), --cached' '
git diff --submodule=log --cached >actual &&
- diff actual - <<-EOF
-Submodule sm1 41fbea9...0000000 (submodule deleted)
-diff --git a/sm1 b/sm1
-new file mode 100644
-index 0000000..9da5fb8
---- /dev/null
-+++ b/sm1
-@@ -0,0 +1 @@
-+sm1
-EOF
-"
-
-test_expect_success 'typechanged submodule(submodule->blob)' "
+ cat >expected <<-EOF &&
+ Submodule sm1 $head4...0000000 (submodule deleted)
+ diff --git a/sm1 b/sm1
+ new file mode 100644
+ index 0000000..$head5
+ --- /dev/null
+ +++ b/sm1
+ @@ -0,0 +1 @@
+ +sm1
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'typechanged submodule(submodule->blob)' '
git diff --submodule=log >actual &&
- diff actual - <<-EOF
-diff --git a/sm1 b/sm1
-deleted file mode 100644
-index 9da5fb8..0000000
---- a/sm1
-+++ /dev/null
-@@ -1 +0,0 @@
--sm1
-Submodule sm1 0000000...$head4 (new submodule)
-EOF
-"
+ cat >expected <<-EOF &&
+ diff --git a/sm1 b/sm1
+ deleted file mode 100644
+ index $head5..0000000
+ --- a/sm1
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -sm1
+ Submodule sm1 0000000...$head4 (new submodule)
+ EOF
+ test_cmp expected actual
+'
rm -rf sm1 &&
git checkout-index sm1
-test_expect_success 'typechanged submodule(submodule->blob)' "
+test_expect_success 'typechanged submodule(submodule->blob)' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head4...0000000 (submodule deleted)
-diff --git a/sm1 b/sm1
-new file mode 100644
-index 0000000..$head5
---- /dev/null
-+++ b/sm1
-@@ -0,0 +1 @@
-+sm1
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head4...0000000 (submodule deleted)
+ diff --git a/sm1 b/sm1
+ new file mode 100644
+ index 0000000..$head5
+ --- /dev/null
+ +++ b/sm1
+ @@ -0,0 +1 @@
+ +sm1
+ EOF
+ test_cmp expected actual
+'
rm -f sm1 &&
test_create_repo sm1 &&
head6=$(add_file sm1 foo6 foo7)
-fullhead6=$(cd sm1; git rev-list --max-count=1 $head6)
-test_expect_success 'nonexistent commit' "
+fullhead6=$(cd sm1; git rev-parse --verify HEAD)
+test_expect_success 'nonexistent commit' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head4...$head6 (commits not present)
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head4...$head6 (commits not present)
+ EOF
+ test_cmp expected actual
+'
commit_file
-test_expect_success 'typechanged submodule(blob->submodule)' "
+test_expect_success 'typechanged submodule(blob->submodule)' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-diff --git a/sm1 b/sm1
-deleted file mode 100644
-index $head5..0000000
---- a/sm1
-+++ /dev/null
-@@ -1 +0,0 @@
--sm1
-Submodule sm1 0000000...$head6 (new submodule)
-EOF
-"
+ cat >expected <<-EOF &&
+ diff --git a/sm1 b/sm1
+ deleted file mode 100644
+ index $head5..0000000
+ --- a/sm1
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -sm1
+ Submodule sm1 0000000...$head6 (new submodule)
+ EOF
+ test_cmp expected actual
+'
commit_file sm1 &&
-test_expect_success 'submodule is up to date' "
+test_expect_success 'submodule is up to date' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-EOF
-"
+ cat >expected <<-EOF &&
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'submodule contains untracked content' "
+test_expect_success 'submodule contains untracked content' '
echo new > sm1/new-file &&
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 contains untracked content
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 contains untracked content
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'submodule contains untracked content (untracked ignored)' "
+test_expect_success 'submodule contains untracked content (untracked ignored)' '
git diff-index -p --ignore-submodules=untracked --submodule=log HEAD >actual &&
! test -s actual
-"
+'
-test_expect_success 'submodule contains untracked content (dirty ignored)' "
+test_expect_success 'submodule contains untracked content (dirty ignored)' '
git diff-index -p --ignore-submodules=dirty --submodule=log HEAD >actual &&
! test -s actual
-"
+'
-test_expect_success 'submodule contains untracked content (all ignored)' "
+test_expect_success 'submodule contains untracked content (all ignored)' '
git diff-index -p --ignore-submodules=all --submodule=log HEAD >actual &&
! test -s actual
-"
+'
-test_expect_success 'submodule contains untracked and modifed content' "
+test_expect_success 'submodule contains untracked and modifed content' '
echo new > sm1/foo6 &&
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 contains untracked content
-Submodule sm1 contains modified content
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 contains untracked content
+ Submodule sm1 contains modified content
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'submodule contains untracked and modifed content (untracked ignored)' "
+test_expect_success 'submodule contains untracked and modifed content (untracked ignored)' '
echo new > sm1/foo6 &&
git diff-index -p --ignore-submodules=untracked --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 contains modified content
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 contains modified content
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'submodule contains untracked and modifed content (dirty ignored)' "
+test_expect_success 'submodule contains untracked and modifed content (dirty ignored)' '
echo new > sm1/foo6 &&
git diff-index -p --ignore-submodules=dirty --submodule=log HEAD >actual &&
! test -s actual
-"
+'
-test_expect_success 'submodule contains untracked and modifed content (all ignored)' "
+test_expect_success 'submodule contains untracked and modifed content (all ignored)' '
echo new > sm1/foo6 &&
git diff-index -p --ignore-submodules --submodule=log HEAD >actual &&
! test -s actual
-"
+'
-test_expect_success 'submodule contains modifed content' "
+test_expect_success 'submodule contains modifed content' '
rm -f sm1/new-file &&
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 contains modified content
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 contains modified content
+ EOF
+ test_cmp expected actual
+'
(cd sm1; git commit -mchange foo6 >/dev/null) &&
-head8=$(cd sm1; git rev-parse --verify HEAD | cut -c1-7) &&
-test_expect_success 'submodule is modified' "
+head8=$(cd sm1; git rev-parse --short --verify HEAD) &&
+test_expect_success 'submodule is modified' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6..$head8:
- > change
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6..$head8:
+ > change
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'modified submodule contains untracked content' "
+test_expect_success 'modified submodule contains untracked content' '
echo new > sm1/new-file &&
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 contains untracked content
-Submodule sm1 $head6..$head8:
- > change
-EOF
-"
-
-test_expect_success 'modified submodule contains untracked content (untracked ignored)' "
+ cat >expected <<-EOF &&
+ Submodule sm1 contains untracked content
+ Submodule sm1 $head6..$head8:
+ > change
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'modified submodule contains untracked content (untracked ignored)' '
git diff-index -p --ignore-submodules=untracked --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6..$head8:
- > change
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6..$head8:
+ > change
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'modified submodule contains untracked content (dirty ignored)' "
+test_expect_success 'modified submodule contains untracked content (dirty ignored)' '
git diff-index -p --ignore-submodules=dirty --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6..$head8:
- > change
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6..$head8:
+ > change
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'modified submodule contains untracked content (all ignored)' "
+test_expect_success 'modified submodule contains untracked content (all ignored)' '
git diff-index -p --ignore-submodules=all --submodule=log HEAD >actual &&
! test -s actual
-"
+'
-test_expect_success 'modified submodule contains untracked and modifed content' "
+test_expect_success 'modified submodule contains untracked and modifed content' '
echo modification >> sm1/foo6 &&
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 contains untracked content
-Submodule sm1 contains modified content
-Submodule sm1 $head6..$head8:
- > change
-EOF
-"
-
-test_expect_success 'modified submodule contains untracked and modifed content (untracked ignored)' "
+ cat >expected <<-EOF &&
+ Submodule sm1 contains untracked content
+ Submodule sm1 contains modified content
+ Submodule sm1 $head6..$head8:
+ > change
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'modified submodule contains untracked and modifed content (untracked ignored)' '
echo modification >> sm1/foo6 &&
git diff-index -p --ignore-submodules=untracked --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 contains modified content
-Submodule sm1 $head6..$head8:
- > change
-EOF
-"
-
-test_expect_success 'modified submodule contains untracked and modifed content (dirty ignored)' "
+ cat >expected <<-EOF &&
+ Submodule sm1 contains modified content
+ Submodule sm1 $head6..$head8:
+ > change
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'modified submodule contains untracked and modifed content (dirty ignored)' '
echo modification >> sm1/foo6 &&
git diff-index -p --ignore-submodules=dirty --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6..$head8:
- > change
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6..$head8:
+ > change
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'modified submodule contains untracked and modifed content (all ignored)' "
+test_expect_success 'modified submodule contains untracked and modifed content (all ignored)' '
echo modification >> sm1/foo6 &&
git diff-index -p --ignore-submodules --submodule=log HEAD >actual &&
! test -s actual
-"
+'
-test_expect_success 'modified submodule contains modifed content' "
+test_expect_success 'modified submodule contains modifed content' '
rm -f sm1/new-file &&
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 contains modified content
-Submodule sm1 $head6..$head8:
- > change
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 contains modified content
+ Submodule sm1 $head6..$head8:
+ > change
+ EOF
+ test_cmp expected actual
+'
rm -rf sm1
-test_expect_success 'deleted submodule' "
+test_expect_success 'deleted submodule' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6...0000000 (submodule deleted)
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6...0000000 (submodule deleted)
+ EOF
+ test_cmp expected actual
+'
test_create_repo sm2 &&
head7=$(add_file sm2 foo8 foo9) &&
git add sm2
-test_expect_success 'multiple submodules' "
+test_expect_success 'multiple submodules' '
git diff-index -p --submodule=log HEAD >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6...0000000 (submodule deleted)
-Submodule sm2 0000000...$head7 (new submodule)
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6...0000000 (submodule deleted)
+ Submodule sm2 0000000...$head7 (new submodule)
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'path filter' "
+test_expect_success 'path filter' '
git diff-index -p --submodule=log HEAD sm2 >actual &&
- diff actual - <<-EOF
-Submodule sm2 0000000...$head7 (new submodule)
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm2 0000000...$head7 (new submodule)
+ EOF
+ test_cmp expected actual
+'
commit_file sm2
-test_expect_success 'given commit' "
+test_expect_success 'given commit' '
git diff-index -p --submodule=log HEAD^ >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6...0000000 (submodule deleted)
-Submodule sm2 0000000...$head7 (new submodule)
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6...0000000 (submodule deleted)
+ Submodule sm2 0000000...$head7 (new submodule)
+ EOF
+ test_cmp expected actual
+'
-test_expect_success 'given commit --submodule' "
+test_expect_success 'given commit --submodule' '
git diff-index -p --submodule HEAD^ >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6...0000000 (submodule deleted)
-Submodule sm2 0000000...$head7 (new submodule)
-EOF
-"
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6...0000000 (submodule deleted)
+ Submodule sm2 0000000...$head7 (new submodule)
+ EOF
+ test_cmp expected actual
+'
-fullhead7=$(cd sm2; git rev-list --max-count=1 $head7)
+fullhead7=$(cd sm2; git rev-parse --verify HEAD)
-test_expect_success 'given commit --submodule=short' "
+test_expect_success 'given commit --submodule=short' '
git diff-index -p --submodule=short HEAD^ >actual &&
- diff actual - <<-EOF
-diff --git a/sm1 b/sm1
-deleted file mode 160000
-index $head6..0000000
---- a/sm1
-+++ /dev/null
-@@ -1 +0,0 @@
--Subproject commit $fullhead6
-diff --git a/sm2 b/sm2
-new file mode 160000
-index 0000000..$head7
---- /dev/null
-+++ b/sm2
-@@ -0,0 +1 @@
-+Subproject commit $fullhead7
-EOF
-"
+ cat >expected <<-EOF &&
+ diff --git a/sm1 b/sm1
+ deleted file mode 160000
+ index $head6..0000000
+ --- a/sm1
+ +++ /dev/null
+ @@ -1 +0,0 @@
+ -Subproject commit $fullhead6
+ diff --git a/sm2 b/sm2
+ new file mode 160000
+ index 0000000..$head7
+ --- /dev/null
+ +++ b/sm2
+ @@ -0,0 +1 @@
+ +Subproject commit $fullhead7
+ EOF
+ test_cmp expected actual
+'
test_expect_success 'setup .git file for sm2' '
(cd sm2 &&
@@ -420,10 +502,47 @@ test_expect_success 'setup .git file for sm2' '
test_expect_success 'diff --submodule with .git file' '
git diff --submodule HEAD^ >actual &&
- diff actual - <<-EOF
-Submodule sm1 $head6...0000000 (submodule deleted)
-Submodule sm2 0000000...$head7 (new submodule)
-EOF
+ cat >expected <<-EOF &&
+ Submodule sm1 $head6...0000000 (submodule deleted)
+ Submodule sm2 0000000...$head7 (new submodule)
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'diff --submodule with objects referenced by alternates' '
+ mkdir sub_alt &&
+ (cd sub_alt &&
+ git init &&
+ echo a >a &&
+ git add a &&
+ git commit -m a
+ ) &&
+ mkdir super &&
+ (cd super &&
+ git clone -s ../sub_alt sub &&
+ git init &&
+ git add sub &&
+ git commit -m "sub a"
+ ) &&
+ (cd sub_alt &&
+ sha1_before=$(git rev-parse --short HEAD)
+ echo b >b &&
+ git add b &&
+ git commit -m b &&
+ sha1_after=$(git rev-parse --short HEAD) &&
+ {
+ echo "Submodule sub $sha1_before..$sha1_after:" &&
+ echo " > b"
+ } >../expected
+ ) &&
+ (cd super &&
+ (cd sub &&
+ git fetch &&
+ git checkout origin/master
+ ) &&
+ git diff --submodule > ../actual
+ ) &&
+ test_cmp expected actual
'
test_done