release_notes.sh

#!/bin/bash

filename='NOTES.md'

format='
        r=%(refname)

        currenttag=${r#refs/tags/}
        prevtag=$(git describe --always --tags --abbrev=0 ${currenttag}^)

        changes=$(git log --no-walk ${prevtag}...${currenttag} --pretty=format:"* %s" | awk "!(/Bump/ || /Merge/ || /Build/ || /Release/ || /#nochangelog/)")

        echo -e "###${currenttag}\n___\n\n${changes}\n\n$(cat ${filename})" > ${filename}
'

echo -e "###${currenttag}\n___\n\n${changes}\n\n" > ${filename}

echo "----> Creating release notes in ${filename}."

eval=`git for-each-ref --shell --format="$format" \
        --sort='*objecttype' \
        --sort=taggerdate \
        refs/tags`

eval "$eval"

echo "----> Done."