[scripts] lint-whitespace: use perl instead of grep -P

MacOS does not support 'grep -P' out of the box. This change makes
it easier for developers to check for whitespace problems locally.
This commit is contained in:
Sjors Provoost 2018-01-05 14:40:46 +01:00
parent 56910285fa
commit 40b17f5f91
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@ -59,7 +59,7 @@ if showdiff | grep -E -q '^\+.*\s+$'; then
fi
# Check if tab characters were found in the diff.
if showcodediff | grep -P -q '^\+.*\t'; then
if showcodediff | perl -nle '$MATCH++ if m{^\+.*\t}; END{exit 1 unless $MATCH>0}' > /dev/null; then
echo "This diff appears to have added new lines with tab characters instead of spaces."
echo "The following changes were suspected:"
FILENAME=""
@ -81,7 +81,7 @@ if showcodediff | grep -P -q '^\+.*\t'; then
fi
echo "$line"
fi
done < <(showcodediff | grep -P '^(diff --git |@@|\+.*\t)')
done < <(showcodediff | perl -nle 'print if m{^(diff --git |@@|\+.*\t)}')
RET=1
fi