diff --git a/tests/test-merge-commit.out b/tests/test-merge-commit.out
deleted file mode 100644
--- a/tests/test-merge-commit.out
+++ /dev/null
@@ -1,96 +0,0 @@
-1 files updated, 0 files merged, 0 files removed, 0 files unresolved
-created new head
-merging bar and foo to bar
-0 files updated, 1 files merged, 0 files removed, 0 files unresolved
-(branch merge, don't forget to commit)
-% contents of bar should be line0 line1 line2
-line0
-line1
-line2
-   rev    offset  length   base linkrev nodeid       p1           p2
-     0         0      77      0       2 d35118874825 000000000000 000000000000
-     1        77      76      0       3 5345f5ab8abd 000000000000 d35118874825
-bar renamed from foo:9e25c27b87571a1edee5ae4dddee5687746cc8e2
-   rev    offset  length   base linkrev nodeid       p1           p2
-     0         0       7      0       0 690b295714ae 000000000000 000000000000
-     1         7      13      1       1 9e25c27b8757 690b295714ae 000000000000
-1 files updated, 0 files merged, 0 files removed, 0 files unresolved
-created new head
-4:2263c1be0967 2:0f2ff26688b9 
-3:0555950ead28 2:0f2ff26688b9 1:5cd961e4045d 
-2:0f2ff26688b9 0:2665aaee66e9 
-1:5cd961e4045d 
-0:2665aaee66e9 
-% this should use bar@rev2 as the ancestor
-  searching for copies back to rev 1
-resolving manifests
- overwrite None partial False
- ancestor 0f2ff26688b9 local 2263c1be0967+ remote 0555950ead28
- bar: versions differ -> m
-preserving bar for resolve of bar
-updating: bar 1/1 files (100.00%)
-picked tool 'internal:merge' for bar (binary False symlink False)
-merging bar
-my bar@2263c1be0967+ other bar@0555950ead28 ancestor bar@0f2ff26688b9
- premerge successful
-0 files updated, 1 files merged, 0 files removed, 0 files unresolved
-(branch merge, don't forget to commit)
-% contents of bar should be line1 line2
-line1
-line2
-   rev    offset  length   base linkrev nodeid       p1           p2
-     0         0      77      0       2 d35118874825 000000000000 000000000000
-     1        77      76      0       3 5345f5ab8abd 000000000000 d35118874825
-     2       153       7      2       4 ff4b45017382 d35118874825 000000000000
-     3       160      13      3       5 3701b4893544 ff4b45017382 5345f5ab8abd
-
-
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 3 changesets with 3 changes to 2 files (+1 heads)
-1 files updated, 0 files merged, 0 files removed, 0 files unresolved
-merging foo and bar to bar
-0 files updated, 1 files merged, 0 files removed, 0 files unresolved
-(branch merge, don't forget to commit)
-% contents of bar should be line0 line1 line2
-line0
-line1
-line2
-   rev    offset  length   base linkrev nodeid       p1           p2
-     0         0      77      0       2 d35118874825 000000000000 000000000000
-     1        77      76      0       3 5345f5ab8abd 000000000000 d35118874825
-bar renamed from foo:9e25c27b87571a1edee5ae4dddee5687746cc8e2
-   rev    offset  length   base linkrev nodeid       p1           p2
-     0         0       7      0       0 690b295714ae 000000000000 000000000000
-     1         7      13      1       1 9e25c27b8757 690b295714ae 000000000000
-1 files updated, 0 files merged, 0 files removed, 0 files unresolved
-created new head
-4:2263c1be0967 2:0f2ff26688b9 
-3:3ffa6b9e35f0 1:5cd961e4045d 2:0f2ff26688b9 
-2:0f2ff26688b9 0:2665aaee66e9 
-1:5cd961e4045d 
-0:2665aaee66e9 
-% this should use bar@rev2 as the ancestor
-  searching for copies back to rev 1
-resolving manifests
- overwrite None partial False
- ancestor 0f2ff26688b9 local 2263c1be0967+ remote 3ffa6b9e35f0
- bar: versions differ -> m
-preserving bar for resolve of bar
-updating: bar 1/1 files (100.00%)
-picked tool 'internal:merge' for bar (binary False symlink False)
-merging bar
-my bar@2263c1be0967+ other bar@3ffa6b9e35f0 ancestor bar@0f2ff26688b9
- premerge successful
-0 files updated, 1 files merged, 0 files removed, 0 files unresolved
-(branch merge, don't forget to commit)
-% contents of bar should be line1 line2
-line1
-line2
-   rev    offset  length   base linkrev nodeid       p1           p2
-     0         0      77      0       2 d35118874825 000000000000 000000000000
-     1        77      76      0       3 5345f5ab8abd 000000000000 d35118874825
-     2       153       7      2       4 ff4b45017382 d35118874825 000000000000
-     3       160      13      3       5 3701b4893544 ff4b45017382 5345f5ab8abd
diff --git a/tests/test-merge-commit b/tests/test-merge-commit.t
old mode 100755
new mode 100644
rename from tests/test-merge-commit
rename to tests/test-merge-commit.t
--- a/tests/test-merge-commit
+++ b/tests/test-merge-commit.t
@@ -1,74 +1,184 @@
-#!/bin/sh
-# check that renames are correctly saved by a commit after a merge
+# Check that renames are correctly saved by a commit after a merge
+
+Test with the merge on 3 having the rename on the local parent
 
-# test with the merge on 3 having the rename on the local parent
-hg init a
-cd a
+  $ hg init a
+  $ cd a
+
+  $ echo line1 > foo
+  $ hg add foo
+  $ hg ci -m '0: add foo'
 
-echo line1 > foo
-hg add foo
-hg ci -m '0: add foo'
+  $ echo line2 >> foo
+  $ hg ci -m '1: change foo'
 
-echo line2 >> foo
-hg ci -m '1: change foo'
+  $ hg up -C 0
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
-hg up -C 0
-hg mv foo bar
-rm bar
-echo line0 > bar
-echo line1 >> bar
-hg ci -m '2: mv foo bar; change bar'
+  $ hg mv foo bar
+  $ rm bar
+  $ echo line0 > bar
+  $ echo line1 >> bar
+  $ hg ci -m '2: mv foo bar; change bar'
+  created new head
 
-hg merge 1
-echo '% contents of bar should be line0 line1 line2'
-cat bar
-hg ci -m '3: merge with local rename'
-hg debugindex .hg/store/data/bar.i
-hg debugrename bar
-hg debugindex .hg/store/data/foo.i
+  $ hg merge 1
+  merging bar and foo to bar
+  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+
+  $ cat bar
+  line0
+  line1
+  line2
+
+  $ hg ci -m '3: merge with local rename'
 
-# revert the content change from rev 2
-hg up -C 2
-rm bar
-echo line1 > bar
-hg ci -m '4: revert content change from rev 2'
+  $ hg debugindex .hg/store/data/bar.i
+     rev    offset  length   base linkrev nodeid       p1           p2
+       0         0      77      0       2 d35118874825 000000000000 000000000000
+       1        77      76      0       3 5345f5ab8abd 000000000000 d35118874825
 
-hg log --template '{rev}:{node|short} {parents}\n'
-echo '% this should use bar@rev2 as the ancestor'
-hg --debug merge 3
-echo '% contents of bar should be line1 line2'
-cat bar
-hg ci -m '5: merge'
-hg debugindex .hg/store/data/bar.i
+  $ hg debugrename bar
+  bar renamed from foo:9e25c27b87571a1edee5ae4dddee5687746cc8e2
+
+  $ hg debugindex .hg/store/data/foo.i
+     rev    offset  length   base linkrev nodeid       p1           p2
+       0         0       7      0       0 690b295714ae 000000000000 000000000000
+       1         7      13      1       1 9e25c27b8757 690b295714ae 000000000000
 
 
-# same thing, but with the merge on 3 having the rename on the remote parent
-echo
-echo
-cd ..
-hg clone -U -r 1 -r 2 a b
-cd b
+Revert the content change from rev 2:
+
+  $ hg up -C 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ rm bar
+  $ echo line1 > bar
+  $ hg ci -m '4: revert content change from rev 2'
+  created new head
+
+  $ hg log --template '{rev}:{node|short} {parents}\n'
+  4:2263c1be0967 2:0f2ff26688b9 
+  3:0555950ead28 2:0f2ff26688b9 1:5cd961e4045d 
+  2:0f2ff26688b9 0:2665aaee66e9 
+  1:5cd961e4045d 
+  0:2665aaee66e9 
+
+This should use bar@rev2 as the ancestor:
+
+  $ hg --debug merge 3
+    searching for copies back to rev 1
+  resolving manifests
+   overwrite None partial False
+   ancestor 0f2ff26688b9 local 2263c1be0967+ remote 0555950ead28
+   bar: versions differ -> m
+  preserving bar for resolve of bar
+  updating: bar 1/1 files (100.00%)
+  picked tool 'internal:merge' for bar (binary False symlink False)
+  merging bar
+  my bar@2263c1be0967+ other bar@0555950ead28 ancestor bar@0f2ff26688b9
+   premerge successful
+  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+
+  $ cat bar
+  line1
+  line2
+
+  $ hg ci -m '5: merge'
+
+  $ hg debugindex .hg/store/data/bar.i
+     rev    offset  length   base linkrev nodeid       p1           p2
+       0         0      77      0       2 d35118874825 000000000000 000000000000
+       1        77      76      0       3 5345f5ab8abd 000000000000 d35118874825
+       2       153       7      2       4 ff4b45017382 d35118874825 000000000000
+       3       160      13      3       5 3701b4893544 ff4b45017382 5345f5ab8abd
+
+
+Same thing, but with the merge on 3 having the rename
+on the remote parent:
+
+  $ cd ..
+  $ hg clone -U -r 1 -r 2 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 3 changesets with 3 changes to 2 files (+1 heads)
+  $ cd b
+
+  $ hg up -C 1
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ hg merge 2
+  merging foo and bar to bar
+  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
 
-hg up -C 1
-hg merge 2
-echo '% contents of bar should be line0 line1 line2'
-cat bar
-hg ci -m '3: merge with remote rename'
-hg debugindex .hg/store/data/bar.i
-hg debugrename bar
-hg debugindex .hg/store/data/foo.i
+  $ cat bar
+  line0
+  line1
+  line2
+
+  $ hg ci -m '3: merge with remote rename'
+
+  $ hg debugindex .hg/store/data/bar.i
+     rev    offset  length   base linkrev nodeid       p1           p2
+       0         0      77      0       2 d35118874825 000000000000 000000000000
+       1        77      76      0       3 5345f5ab8abd 000000000000 d35118874825
+
+  $ hg debugrename bar
+  bar renamed from foo:9e25c27b87571a1edee5ae4dddee5687746cc8e2
+
+  $ hg debugindex .hg/store/data/foo.i
+     rev    offset  length   base linkrev nodeid       p1           p2
+       0         0       7      0       0 690b295714ae 000000000000 000000000000
+       1         7      13      1       1 9e25c27b8757 690b295714ae 000000000000
+
+
+Revert the content change from rev 2:
+
+  $ hg up -C 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ rm bar
+  $ echo line1 > bar
+  $ hg ci -m '4: revert content change from rev 2'
+  created new head
 
-# revert the content change from rev 2
-hg up -C 2
-rm bar
-echo line1 > bar
-hg ci -m '4: revert content change from rev 2'
+  $ hg log --template '{rev}:{node|short} {parents}\n'
+  4:2263c1be0967 2:0f2ff26688b9 
+  3:3ffa6b9e35f0 1:5cd961e4045d 2:0f2ff26688b9 
+  2:0f2ff26688b9 0:2665aaee66e9 
+  1:5cd961e4045d 
+  0:2665aaee66e9 
+
+This should use bar@rev2 as the ancestor:
 
-hg log --template '{rev}:{node|short} {parents}\n'
-echo '% this should use bar@rev2 as the ancestor'
-hg --debug merge 3
-echo '% contents of bar should be line1 line2'
-cat bar
-hg ci -m '5: merge'
-hg debugindex .hg/store/data/bar.i
+  $ hg --debug merge 3
+    searching for copies back to rev 1
+  resolving manifests
+   overwrite None partial False
+   ancestor 0f2ff26688b9 local 2263c1be0967+ remote 3ffa6b9e35f0
+   bar: versions differ -> m
+  preserving bar for resolve of bar
+  updating: bar 1/1 files (100.00%)
+  picked tool 'internal:merge' for bar (binary False symlink False)
+  merging bar
+  my bar@2263c1be0967+ other bar@3ffa6b9e35f0 ancestor bar@0f2ff26688b9
+   premerge successful
+  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
 
+  $ cat bar
+  line1
+  line2
+
+  $ hg ci -m '5: merge'
+
+  $ hg debugindex .hg/store/data/bar.i
+     rev    offset  length   base linkrev nodeid       p1           p2
+       0         0      77      0       2 d35118874825 000000000000 000000000000
+       1        77      76      0       3 5345f5ab8abd 000000000000 d35118874825
+       2       153       7      2       4 ff4b45017382 d35118874825 000000000000
+       3       160      13      3       5 3701b4893544 ff4b45017382 5345f5ab8abd
+