+###
+### series P (gitlinks)
+###
+
+test_expect_success 'P: superproject & submodule mix' '
+ cat >input <<-INPUT_END &&
+ blob
+ mark :1
+ data 10
+ test file
+
+ reset refs/heads/sub
+ commit refs/heads/sub
+ mark :2
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data 12
+ sub_initial
+ M 100644 :1 file
+
+ blob
+ mark :3
+ data <<DATAEND
+ [submodule "sub"]
+ path = sub
+ url = "`pwd`/sub"
+ DATAEND
+
+ commit refs/heads/subuse1
+ mark :4
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data 8
+ initial
+ from refs/heads/master
+ M 100644 :3 .gitmodules
+ M 160000 :2 sub
+
+ blob
+ mark :5
+ data 20
+ test file
+ more data
+
+ commit refs/heads/sub
+ mark :6
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data 11
+ sub_second
+ from :2
+ M 100644 :5 file
+
+ commit refs/heads/subuse1
+ mark :7
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data 7
+ second
+ from :4
+ M 160000 :6 sub
+
+ INPUT_END
+
+ git fast-import <input &&
+ git checkout subuse1 &&
+ rm -rf sub &&
+ mkdir sub &&
+ (
+ cd sub &&
+ git init &&
+ git fetch --update-head-ok .. refs/heads/sub:refs/heads/master &&
+ git checkout master
+ ) &&
+ git submodule init &&
+ git submodule update
+'
+
+test_expect_success 'P: verbatim SHA gitlinks' '
+ SUBLAST=$(git rev-parse --verify sub) &&
+ SUBPREV=$(git rev-parse --verify sub^) &&
+
+ cat >input <<-INPUT_END &&
+ blob
+ mark :1
+ data <<DATAEND
+ [submodule "sub"]
+ path = sub
+ url = "`pwd`/sub"
+ DATAEND
+
+ commit refs/heads/subuse2
+ mark :2
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data 8
+ initial
+ from refs/heads/master
+ M 100644 :1 .gitmodules
+ M 160000 $SUBPREV sub
+
+ commit refs/heads/subuse2
+ mark :3
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data 7
+ second
+ from :2
+ M 160000 $SUBLAST sub
+
+ INPUT_END
+
+ git branch -D sub &&
+ git gc &&
+ git prune &&
+ git fast-import <input &&
+ test $(git rev-parse --verify subuse2) = $(git rev-parse --verify subuse1)
+'
+
+test_expect_success 'P: fail on inline gitlink' '
+ test_tick &&
+ cat >input <<-INPUT_END &&
+ commit refs/heads/subuse3
+ mark :1
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data <<COMMIT
+ corrupt
+ COMMIT
+
+ from refs/heads/subuse2
+ M 160000 inline sub
+ data <<DATA
+ $SUBPREV
+ DATA
+
+ INPUT_END
+
+ test_must_fail git fast-import <input
+'
+
+test_expect_success 'P: fail on blob mark in gitlink' '
+ test_tick &&
+ cat >input <<-INPUT_END &&
+ blob
+ mark :1
+ data <<DATA
+ $SUBPREV
+ DATA
+
+ commit refs/heads/subuse3
+ mark :2
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data <<COMMIT
+ corrupt
+ COMMIT
+
+ from refs/heads/subuse2
+ M 160000 :1 sub
+
+ INPUT_END
+
+ test_must_fail git fast-import <input
+'
+
+###
+### series Q (notes)
+###
+
+test_expect_success 'Q: commit notes' '
+ note1_data="The first note for the first commit" &&
+ note2_data="The first note for the second commit" &&
+ note3_data="The first note for the third commit" &&
+ note1b_data="The second note for the first commit" &&
+ note1c_data="The third note for the first commit" &&
+ note2b_data="The second note for the second commit" &&
+
+ test_tick &&
+ cat >input <<-INPUT_END &&
+ blob
+ mark :2
+ data <<EOF
+ $file2_data
+ EOF
+
+ commit refs/heads/notes-test
+ mark :3
+ committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+ data <<COMMIT
+ first (:3)
+ COMMIT
+
+ M 644 :2 file2