edit commits between current tag and last tag

changelog.sh

#!/bin/bash

LAST_TAG=`git for-each-ref --sort='*authordate' --format='%(tag)' refs/tags|tail -1`

echo "# CHANGELOG "$LAST_TAG > CHANGELOG.tmp; DELTA=""

for i in `git for-each-ref --sort='*authordate' --format='%(tag)' refs/tags|tail -2`
  do DELTA=$DELTA".."$i 
done 

DELTA=`echo $DELTA|sed 's/^..//g'`

echo "" >> CHANGELOG.tmp
echo "## Commits between $DELTA">> CHANGELOG.tmp
echo "" >> CHANGELOG.tmp
git log $DELTA --pretty=format:"* %s%d (%an - %ad)" --date=short >> CHANGELOG.tmp