alias: improve help text for command aliases
Displays the line "alias for: hg ..." with the original command including options,
followed by the command's original help text.
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
pulling from ../source
transaction abort!
rollback completed
abort: pretxncommit hook exited with status 1
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
1 files, 2 changesets, 2 total revisions