SImple git tag shim for tracking per-day tags.

git-tag.sh

#!/usr/bin/env bash

DATE=`date +%Y%m%d`
NAME=$1
if [[ -z $NAME ]]; then
  read -p "Enter a tag group name [demo]: " NAME
fi

NAME=${NAME:-demo}

echo "Tags for $NAME-$DATE"

IN=$(git tag | grep "$NAME-$DATE")
TAGS=$(echo $IN | tr "\n" "\n")

MAX=1

for TAG in $TAGS
do
    echo "> $TAG"
    INDEX=$(expr ${TAG##*-} + 0)
    if (( $INDEX > $MAX )); then MAX=$INDEX; fi;
done

MAX=$((MAX+1))
INDEX=$(printf %02d $MAX)
TAGNAME="$NAME-$DATE-$INDEX"

echo "Creating tag $TAGNAME"
git tag $TAGNAME