rustc-dev-guide/ci/check_line_lengths.sh

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#!/bin/bash
echo "Checking line lengths in all source files <= $MAX_LINE_LENGTH chars..."
echo "Offending files and lines:"
(( bad_lines = 0 ))
(( inside_block = 0 ))
for file in "$@" ; do
echo "$file"
(( line_no = 0 ))
while IFS="" read -r line || [[ -n "$line" ]] ; do
(( line_no++ ))
if [[ "$line" =~ ^'```' ]] ; then
(( inside_block = !$inside_block ))
continue
fi
if ! (( $inside_block )) && ! [[ "$line" =~ " | "|"://"|\[\^[^\ ]+\]: ]] && (( "${#line}" > $MAX_LINE_LENGTH )) ; then
(( bad_lines++ ))
echo -e "\t$line_no : $line"
fi
done < "$file"
done
echo "$bad_lines offending lines found."
(( $bad_lines == 0 ))