+ mkdir a
+ cd a
+ hg init
+ echo a
+ hg add a
+ hg commit -t test -u test -d '0 0'
+ hg clone . ../b
cloning by hardlink
+ cd ../b
+ cat a
a
+ hg verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
1 files, 1 changesets, 1 total revisions
+ hg clone -U . ../c
cloning by hardlink
+ cd ../c
+ cat a
cat: a: No such file or directory
+ hg verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
1 files, 1 changesets, 1 total revisions
+ mkdir ../d
+ cd ../d
+ hg clone ../a
cloning by hardlink
+ cd a
+ hg cat a
a