Creates a GIT Changelog based on Tags

gen-changelog.sh

#!/bin/bash

tags=()

for tag in $(git for-each-ref --sort='-refname:short' --format='%(refname:short)' refs/tags) ; do
	tags+=($tag)
done

lastTag=0
totalTags=${#tags[*]}
mylog="changelog.txt"

echo "" > "$mylog"

for (( i=0; i<= $(($totalTags - 1)); i++ )) ; do
	printOut=${tags["$i"]}
	next=${tags["$i"+1]}
	currentTag="$i"
	
	echo "v. $printOut" >> $mylog

	if (( $i+1==$totalTags )) ; then
		git log --date=short --oneline --format=' - %s' "$printOut" >> "$mylog"
	else
		git log --date=short --oneline --format=' - %s' "$next".."$printOut" >> "$mylog"
	fi
	lastTag="$currentTag"
	echo "" >> "$mylog"
done