1 $ \textbf{cat check_bug_id}

2 #!/bin/sh

3 # check that a commit comment mentions a numeric bug id

4 hg log -r $1 --template \{desc\} | grep -q "\textbackslash{}<bug *[0-9]"

5 $ \textbf{echo 'pretxncommit.bug_id_required = ./check_bug_id $HG_NODE' >> .hg/hgrc}

6 $ \textbf{echo a >> a}

7 $ \textbf{hg commit -m 'i am not mentioning a bug id'}

8 transaction abort!

9 rollback completed

10 abort: pretxncommit.bug_id_required hook exited with status 1

11 $ \textbf{hg commit -m 'i refer you to bug 666'}

12 committed

13