--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-hardlinks-safety.t Wed Sep 15 20:41:14 2010 +0200
@@ -0,0 +1,106 @@
+
+# some implementations of cp can't create hardlinks
+ $ cat > cp.py <<EOF
+ > from mercurial import util
+ > import sys
+ > util.copyfiles(sys.argv[1], sys.argv[2], hardlink=True)
+ > EOF
+
+Test hardlinking outside hg:
+
+ $ mkdir x
+ $ echo foo > x/a
+
+ $ python cp.py x y
+ $ echo bar >> y/a
+
+No diff if hardlink:
+
+ $ diff x/a y/a
+
+Test mq hardlinking:
+
+ $ echo "[extensions]" >> $HGRCPATH
+ $ echo "mq=" >> $HGRCPATH
+
+ $ hg init a
+ $ cd a
+
+ $ hg qimport -n foo - << EOF
+ > # HG changeset patch
+ > # Date 1 0
+ > diff -r 2588a8b53d66 a
+ > --- /dev/null Thu Jan 01 00:00:00 1970 +0000
+ > +++ b/a Wed Jul 23 15:54:29 2008 +0200
+ > @@ -0,0 +1,1 @@
+ > +a
+ > EOF
+ adding foo to series file
+
+ $ hg qpush
+ applying foo
+ now at: foo
+
+ $ cd ..
+ $ python cp.py a b
+ $ cd b
+
+ $ hg qimport -n bar - << EOF
+ > # HG changeset patch
+ > # Date 2 0
+ > diff -r 2588a8b53d66 a
+ > --- /dev/null Thu Jan 01 00:00:00 1970 +0000
+ > +++ b/b Wed Jul 23 15:54:29 2008 +0200
+ > @@ -0,0 +1,1 @@
+ > +b
+ > EOF
+ adding bar to series file
+
+ $ hg qpush
+ applying bar
+ now at: bar
+
+ $ cat .hg/patches/status
+ 430ed4828a74fa4047bc816a25500f7472ab4bfe:foo
+ 4e7abb4840c46a910f6d7b4d3c3fc7e5209e684c:bar
+
+ $ cat .hg/patches/series
+ foo
+ bar
+
+ $ cat ../a/.hg/patches/status
+ 430ed4828a74fa4047bc816a25500f7472ab4bfe:foo
+
+ $ cat ../a/.hg/patches/series
+ foo
+
+Test tags hardlinking:
+
+ $ hg qdel -r qbase:qtip
+ patch foo finalized without changeset message
+ patch bar finalized without changeset message
+
+ $ hg tag -l lfoo
+ $ hg tag foo
+
+ $ cd ..
+ $ python cp.py b c
+ $ cd c
+
+ $ hg tag -l -r 0 lbar
+ $ hg tag -r 0 bar
+
+ $ cat .hgtags
+ 4e7abb4840c46a910f6d7b4d3c3fc7e5209e684c foo
+ 430ed4828a74fa4047bc816a25500f7472ab4bfe bar
+
+ $ cat .hg/localtags
+ 4e7abb4840c46a910f6d7b4d3c3fc7e5209e684c lfoo
+ 430ed4828a74fa4047bc816a25500f7472ab4bfe lbar
+
+ $ cat ../b/.hgtags
+ 4e7abb4840c46a910f6d7b4d3c3fc7e5209e684c foo
+
+ $ cat ../b/.hg/localtags
+ 4e7abb4840c46a910f6d7b4d3c3fc7e5209e684c lfoo
+