foozy@708: $ \textbf{cat .hg/hgrc}
foozy@708: [hooks]
foozy@708: pretxncommit.msglen = test `hg tip --template \{desc\} | wc -c` -ge 10
foozy@708: $ \textbf{echo a > a}
foozy@708: $ \textbf{hg add a}
foozy@708: $ \textbf{hg commit -A -m 'too short'}
foozy@708: abort: pretxncommit.msglen hook exited with status 1
foozy@708: transaction abort!
foozy@708: rollback completed
foozy@708: $ \textbf{hg commit -A -m 'long enough'}