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#!/bin/bash
# Script to check the list of git submitters against the table of re-submitting
# users from the AUTHORFILE. Requires the authors to be listed in
# | ... | ... | email@address.com |
# format.
#
# We can add another table of "git committers who are exempt from the need to
# relicense due to their contributions being under an acceptable license
# already" if we need; no changes to this script would be necessary.
#
# This script is part of VOLK.
#
# Copyright 2021 Marcus Müller
# SPDX-License-Identifier: MPL-2.0
rootdir=`git rev-parse --show-toplevel`
if [[ "$#" -lt 1 ]]
then
authorfile=$rootdir/AUTHORS_RESUBMITTING_UNDER_LGPL_LICENSE.md
else
authorfile=$1
fi
if [[ ! -r $authorfile ]]
then
echo "$authorfile: file not readable"
exit -1
fi
allfiles=`git ls-files $rootdir`
lgplers="$(sed -ne 's/^|[^|]*|[^|]*| \([^|]*\)|/\1/ip' $authorfile)"
lgplers="$lgplers 32478819+fritterhoff@users.noreply.github.com douggeiger@users.noreply.github.com"
authorcounts="$(echo "$allfiles" | while read f; do git blame --line-porcelain --ignore-rev 092a59997a1e1d5f421a0a5f87ee655ad173b93f $f 2>/dev/null | sed -ne 's/^author-mail <\([^>]*\)>/\1/p'; done | sort -f | uniq -ic | sort -n)"
total_loc=0
missing_loc=0
while read -r line
do
authoremail=$(echo "$line" | sed 's/^ *\([[:digit:]]*\) *\([^, ]*\)$/\2/g')
authorlines=$(echo "$line" | sed 's/^ *\([[:digit:]]*\) *\([^, ]*\)$/\1/g')
total_loc=$(( $authorlines + $total_loc ))
if ! ( echo "$lgplers" | grep -i "$authoremail" ) > /dev/null
then
echo "missing: \"$authoremail\" (${authorlines} LOC)"
missingloc=$(($missingloc + $authorlines))
fi
done < <(echo "$authorcounts")
percentage=$(echo "scale=2; 100.0 * $missingloc/$total_loc" | bc)
echo "Missing $missingloc of $total_loc LOC in total ($percentage%)"
if [[ "$missingloc" -gt 0 ]]
then
exit -2
fi
exit 0
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