bos@194: $ \textbf{cat .hg/hgrc}
bos@194: [hooks]
bos@194: pretxncommit.msglen = test `hg tip --template \{desc\} | wc -c` -ge 10
bos@194: $ \textbf{echo a > a}
bos@194: $ \textbf{hg add a}
bos@194: $ \textbf{hg commit -A -m 'too short'}
bos@194: abort: pretxncommit.msglen hook exited with status 1
bos@194: transaction abort!
bos@194: rollback completed
bos@194: $ \textbf{hg commit -A -m 'long enough'}