bos@144: $ \textbf{cat .hg/hgrc}
bos@144: [hooks]
bos@150: pretxncommit.whitespace = .hg/check_whitespace.py
bos@144: $ \textbf{echo 'a ' >> a}
bos@144: $ \textbf{hg commit -A -m 'add new line with trailing whitespace'}
bos@144: a, line 2: trailing whitespace added
bos@144: commit message saved to .hg/commit.save
bos@144: abort: pretxncommit.whitespace hook exited with status 1
bos@144: transaction abort!
bos@144: rollback completed
bos@165: $ \textbf{sed -i 's, *$,,' a}
bos@144: $ \textbf{hg commit -A -m 'trimmed trailing whitespace'}
bos@165: a, line 2: trailing whitespace added
bos@144: commit message saved to .hg/commit.save
bos@144: abort: pretxncommit.whitespace hook exited with status 1
bos@144: transaction abort!
bos@144: rollback completed