Public bug reported:
After upgrading to Ubuntu 20.04LTS (grep 3.1-2build1 => 3.4-1), the
following code snippet stopped working:
# All patches must have "From:", "Date:", and "Subject:" lines
for hdr in From Date Subject; do
grep -L ^$hdr: $dir/* || ( echo Missing \"$hdr:\" line; exit -1 )
done
It looks like this was fixed upstream, cfr. "Revert -L exit status change
introduced in grep 3.2"
(https://git.savannah.gnu.org/cgit/grep.git/commit/?id=0435ebca64fbafcd62008c991dd9377d8a792dfc)
** Affects: grep (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1908892
Title:
grep -L exit status reverted
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