patch-id: Add support for mbox format

diff --git a/t/t4041-diff-submodule.sh b/t/t4041-diff-submodule.sh
index 5bb4fed3f5056ddb6121b68bb43234870cb0f28f..019acb926d6765bf24e1dfe4bea2a9dba28ca797 100755 (executable)
--- a/t/t4041-diff-submodule.sh
+++ b/t/t4041-diff-submodule.sh
@@ -191,6 +191,78 @@ EOF
 "
 
 commit_file sm1 &&
+test_expect_success 'submodule is up to date' "
+       git diff-index -p --submodule=log HEAD >actual &&
+       diff actual - <<-EOF
+EOF
+"
+
+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
+"
+
+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
+"
+
+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
+"
+
+(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' "
+       git diff-index -p --submodule=log HEAD >actual &&
+       diff actual - <<-EOF
+Submodule sm1 $head6..$head8:
+  > change
+EOF
+"
+
+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 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 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
+"
+
 rm -rf sm1
 test_expect_success 'deleted submodule' "
        git diff-index -p --submodule=log HEAD >actual &&
@@ -257,4 +329,19 @@ index 0000000..$head7
 EOF
 "
 
+test_expect_success 'setup .git file for sm2' '
+       (cd sm2 &&
+        REAL="$(pwd)/../.real" &&
+        mv .git "$REAL"
+        echo "gitdir: $REAL" >.git)
+'
+
+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
+'
+
 test_done