bookmarks: Test if rebase works with bookmarks

Add a test that tests if rebase works fine with bookmarks.

tests/test-bookmarks-rebase

@@ -0,0 +1,38 b''
+#!/bin/sh
+
+echo "[extensions]" >> $HGRCPATH
+echo "rebase=" >> $HGRCPATH
+echo "bookmarks=" >> $HGRCPATH
+
+cleanoutput () {
+    sed -e 's/\(Rebase status stored to\).*/\1/'  \
+        -e 's/\(Rebase status restored from\).*/\1/' \
+        -e 's/\(saving bundle to \).*/\1/'
+}
+
+echo % initialize repository
+hg init
+
+echo 'a' > a
+hg ci -A -d '0 0' -u test -m "0"
+
+echo 'b' > b
+hg ci -A -d '0 0' -u test -m "1"
+
+hg up 0
+echo 'c' > c
+hg ci -A -d '0 0' -u test -m "2"
+
+echo 'd' > d
+hg ci -A -d '0 0' -u test -m "3"
+
+hg bookmark -r 1 one
+hg bookmark -r 3 two
+
+echo % bookmark list
+hg bookmark
+
+echo % rebase
+hg rebase -s two -d one 2>&1 | cleanoutput
+
+hg log
  No newline at end of file

tests/test-bookmarks-rebase.out

@@ -0,0 +1,42 b''
+% initialize repository
+adding a
+adding b
+0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+adding c
+created new head
+adding d
+% bookmark list
+ * two                       3:2ae46b1d99a7
+   one                       1:925d80f479bb
+% rebase
+saving bundle to 
+adding branch
+adding changesets
+adding manifests
+adding file changes
+added 1 changesets with 1 changes to 1 files (-1 heads)
+rebase completed
+changeset:   3:9163974d1cb5
+tag:         tip
+parent:      1:925d80f479bb
+parent:      2:db815d6d32e6
+user:        test
+date:        Thu Jan 01 00:00:00 1970 +0000
+summary:     3
+
+changeset:   2:db815d6d32e6
+parent:      0:f7b1eb17ad24
+user:        test
+date:        Thu Jan 01 00:00:00 1970 +0000
+summary:     2
+
+changeset:   1:925d80f479bb
+user:        test
+date:        Thu Jan 01 00:00:00 1970 +0000
+summary:     1
+
+changeset:   0:f7b1eb17ad24
+user:        test
+date:        Thu Jan 01 00:00:00 1970 +0000
+summary:     0
+