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.
#!/bin/sh
hg init repo
cd repo
echo a > a
hg ci -qAm 'add a'
echo b > b
hg ci -qAm 'add b'
hg up -qC 0
hg rm a
hg ci -m 'rm a'
hg up -qC 1
rm a
echo '% local deleted a file, remote removed'
hg merge # should fail, since there are deleted files
hg -v merge --force
echo % should show a as removed
hg st
hg ci -m merge
echo % manifest. should not have a:
hg manifest