Mercurial > public > mercurial-scm > hg-stable
diff mercurial/utils/stringutil.py @ 49086:51aed118f9dc
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
| author | Martin von Zweigbergk <martinvonz@google.com> |
|---|---|
| date | Thu, 24 Mar 2022 16:09:12 -0700 |
| parents | 642e31cb55f0 |
| children | 75794847ef62 |
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--- a/mercurial/utils/stringutil.py Thu Mar 24 15:41:29 2022 -0700 +++ b/mercurial/utils/stringutil.py Thu Mar 24 16:09:12 2022 -0700 @@ -685,6 +685,14 @@ return _correctauthorformat.match(author) is not None +def firstline(text): + """Return the first line of the input""" + try: + return text.splitlines()[0] + except IndexError: + return b'' + + def ellipsis(text, maxlength=400): """Trim string to at most maxlength (default: 400) columns in display.""" return encoding.trim(text, maxlength, ellipsis=b'...')