+test_expect_success 'test bidirectionality' '
+ >marks-cur &&
+ >marks-new &&
+ git init marks-test &&
+ git fast-export --export-marks=marks-cur --import-marks=marks-cur --branches | \
+ git --git-dir=marks-test/.git fast-import --export-marks=marks-new --import-marks=marks-new &&
+ (cd marks-test &&
+ git reset --hard &&
+ echo Wohlauf > file &&
+ git commit -a -m "back in time") &&
+ git --git-dir=marks-test/.git fast-export --export-marks=marks-new --import-marks=marks-new --branches | \
+ git fast-import --export-marks=marks-cur --import-marks=marks-cur
+'
+
+cat > expected << EOF
+blob
+mark :13
+data 5
+bump
+
+commit refs/heads/master
+mark :14
+author A U Thor <author@example.com> 1112912773 -0700
+committer C O Mitter <committer@example.com> 1112912773 -0700
+data 5
+bump
+from :12
+M 100644 :13 file
+
+EOF
+
+test_expect_success 'avoid uninteresting refs' '
+ > tmp-marks &&
+ git fast-export --import-marks=tmp-marks \
+ --export-marks=tmp-marks master > /dev/null &&
+ git tag v1.0 &&
+ git branch uninteresting &&
+ echo bump > file &&
+ git commit -a -m bump &&
+ git fast-export --import-marks=tmp-marks \
+ --export-marks=tmp-marks ^uninteresting ^v1.0 master > actual &&
+ test_cmp expected actual
+'
+
+cat > expected << EOF
+reset refs/heads/master
+from :14
+
+EOF
+
+test_expect_success 'refs are updated even if no commits need to be exported' '
+ > tmp-marks &&
+ git fast-export --import-marks=tmp-marks \
+ --export-marks=tmp-marks master > /dev/null &&
+ git fast-export --import-marks=tmp-marks \
+ --export-marks=tmp-marks master > actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'use refspec' '
+ git fast-export --refspec refs/heads/master:refs/heads/foobar master | \
+ grep "^commit " | sort | uniq > actual &&
+ echo "commit refs/heads/foobar" > expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'delete refspec' '
+ git branch to-delete &&
+ git fast-export --refspec :refs/heads/to-delete to-delete ^to-delete > actual &&
+ cat > expected <<-EOF &&
+ reset refs/heads/to-delete
+ from 0000000000000000000000000000000000000000
+
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'when using -C, do not declare copy when source of copy is also modified' '
+ test_create_repo src &&
+ echo a_line >src/file.txt &&
+ git -C src add file.txt &&
+ git -C src commit -m 1st_commit &&
+
+ cp src/file.txt src/file2.txt &&
+ echo another_line >>src/file.txt &&
+ git -C src add file.txt file2.txt &&
+ git -C src commit -m 2nd_commit &&
+
+ test_create_repo dst &&
+ git -C src fast-export --all -C | git -C dst fast-import &&
+ git -C src show >expected &&
+ git -C dst show >actual &&
+ test_cmp expected actual
+'
+