git-winner

#!/usr/bin/env sh

usage() {
    echo "git-winner by Garry Dolley (http://scie.nti.st)"
    echo ""
    echo "Usage: $0 [date] [--detail]"
    echo ""
    echo "  --detail shows a shortlog of commits in the results"
    exit
}

case $1 in
-h) usage ;;
--help) usage ;;
esac

if [ -n "$1" ]; then
    DATE=$1
else
    DATE=$(date +%m-%d-%Y) # Today
fi

if [ "$2" = "--detail" ]; then
    DETAIL=y
fi

PLAYERS=$(git shortlog --all --after="$DATE 00:00:00" | grep '^\w' | sed 's/\(.*\) ([0-9]*):/\1/')

HIGHEST_COMMIT_COUNT=0
HIGHEST_COMMIT_LINES=0

echo "Activity after $DATE"
echo ""

if [ -z "$PLAYERS" ]; then
    echo "No players!"
    echo ""
    echo "Appears there have been no commits after $DATE.  Try an earlier date."
    exit
fi

IFS='
'

for player in $PLAYERS; do
    COMMIT_COUNT=$(git shortlog --all --after="$DATE 00:00:00" --author="$player" -w | grep ^"$player (" | sed "s/$player (\(.*\)):/\1/")
    COMMIT_LINES=$(git log --all --after="$DATE 00:00:00" --author="$player" --pretty=format: --stat --diff-filter=M -w | grep '[0-9]* files changed, [0-9]* insertions.*, [0-9]* deletions' | awk '{ sum += $4 + $6} END { print sum }')

    if [ -z "$COMMIT_COUNT" ]; then
        COMMIT_COUNT=0
    fi

    if [ -z "$COMMIT_LINES" ]; then
        COMMIT_LINES=0
    fi

    if [ "$COMMIT_COUNT" -gt "$HIGHEST_COMMIT_COUNT" ]; then
        HIGHEST_COMMIT_COUNT=$COMMIT_COUNT
        HIGHEST_COMMIT_COUNT_PLAYER=$player
    fi

    if [ "$COMMIT_LINES" -gt "$HIGHEST_COMMIT_LINES" ]; then
        HIGHEST_COMMIT_LINES=$COMMIT_LINES
        HIGHEST_COMMIT_LINES_PLAYER=$player
    fi

    echo "Results for $player:"
    echo "  # of commits        : $COMMIT_COUNT"
    echo "  # of lines committed: $COMMIT_LINES"

    if [ -n "$DETAIL" ]; then
        echo ""
        echo "  Commit summary"
        echo ""
        git shortlog --all --after="$DATE 00:00:00" --author="$player" -w | grep -v ^"$player"
    fi
done

if [ "$HIGHEST_COMMIT_COUNT" -gt 0 ]; then
    echo ""
    echo "$HIGHEST_COMMIT_COUNT_PLAYER wins in commit count with $HIGHEST_COMMIT_COUNT commits!"
    echo "$HIGHEST_COMMIT_LINES_PLAYER wins in number of lines committed with $HIGHEST_COMMIT_LINES lines!"

    if [ "$HIGHEST_COMMIT_COUNT_PLAYER" = "$HIGHEST_COMMIT_LINES_PLAYER" ]; then
        FIRST_NAME=$(echo "$HIGHEST_COMMIT_COUNT_PLAYER" | awk '{ print $1 }')

        echo ""
        echo "$FIRST_NAME is the overall winner!!"
    fi
fi