view tests/unwrap-message-id.py @ 49021:51aed118f9dc

templates: extract function to `stringutil` for getting first line of text

It's surprisingly hard to get the first line from a string, so let's
have our own function in `stringutil` for it.

Differential Revision: https://phab.mercurial-scm.org/D12404

import sys

for line in sys.stdin:
    if line.lower() in ("message-id: \n", "in-reply-to: \n"):
        line = line[:-2]
    print(line, end="")