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59 lines
1.5 KiB

#! /bin/sh
VERBOSE=false
if [ x"$1" = x"--verbose" ]; then
VERBOSE=true
shift
fi
if [ "$#" != 1 ]; then
echo "Usage: $0 [--verbose] <last-tag>" >&2
exit 1
fi
PREV_TAG="$1"
if [ -z $(git tag -l "$PREV_TAG") ]; then
echo "Error: couldn't find tag '$PREV_TAG'!"
exit 1
fi
git log "$PREV_TAG".. --format="%an|%ae" | sort | uniq -c | sort -rn > /tmp/authors.$$
sed -n 's/.*[Nn]amed by //p' < CHANGELOG.md | sed 's/(.*)//' | tr -dc '[:alnum:][:space:]' > /tmp/namers.$$
git log "$PREV_TAG" --format="%an|%ae" | sort -u > /tmp/prev-authors.$$
NAMER=""
BACKUP_NAMER=""
TOTAL=0
while read LINE; do
COUNT=${LINE%% [^ 0123456789]*}
TOTAL=$(($TOTAL + $COUNT))
LINE=${LINE#*[1234567890] }
NAME=${LINE%%|*}
EMAIL=${LINE#*|}
NOTES=""
if [ $(grep -ci -- "$NAME\|$EMAIL" /tmp/prev-authors.$$) = 0 ]; then
NOTES="$NOTES""NEW COMMITTER "
fi
# ZmnSCPxj gave himself a surname!
if [ "${NAME%% *}" = ZmnSCPxj ]; then
NAME=ZmnSCPxj
fi
if ! grep -qi -- "$NAME" /tmp/namers.$$; then
if [ -z "$NAMER" ]; then
NAMER="$NAME"
NOTES="$NOTES""*NEXT NAMER* "
elif [ -z "$BACKUP_NAMER" ]; then
BACKUP_NAMER="$NAME"
NOTES="$NOTES""*BACKUP NAMER* "
fi
fi
if [ -n "$NOTES" ] || $VERBOSE; then
echo " - $COUNT $NAME $EMAIL $NOTES"
fi
done < /tmp/authors.$$
DAYS=$(( ( $(date +%s) - $(git log "$PREV_TAG" --format=%at | head -n1) ) / (3600*24) ))
AUTHORS=$(cat /tmp/authors.$$ | wc -l)
echo "$TOTAL commits in $DAYS days by $AUTHORS authors"
rm /tmp/authors.$$ /tmp/namers.$$ /tmp/prev-authors.$$