cabal-bump.sh

#!/bin/bash -e

name=$(sed -n -e 's/^[nN]ame:\s\+\(.\+\)/\1/p' *.cabal)
old_ver=$(sed -n -e 's/^[vV]ersion:\s\+\(.\+\)/\1/p' *.cabal)
has_docs=1
grep -i '^Library' *.cabal || has_docs=0

echo "Package name: $name"
echo "Current version: $old_ver"
echo "Has documentation: $has_docs"
read -p "New version [$old_ver]: " ver
if [ "$ver" != "" ]; then
    sed -i -e "s/\(^[vV]ersion:\s\+\)$old_ver/\1$ver/" *.cabal
else
    ver="$old_ver"
fi

try() {
    $@ || (
        echo
        read -p "cabal check failed; is this okay? [yN] " resp;
        if [ "$resp" != "y" ]; then false; fi
    )
}

try cabal check
cabal clean
cabal install --only-dependencies --enable-tests
cabal configure --enable-tests
cabal build
try cabal test

if [ $has_docs != 0 ]; then
    cabal haddock --hyperlink-source \
            --html-location='http://hackage.haskell.org/package/$pkg/docs' \
            --contents-location='http://hackage.haskell.org/package/$pkg' 

    # Prepare documentation
    cd dist/doc/html
    dest="${name}-${ver}-docs"
    cp -r "$name" "$dest"
    tar -c -v -z --format=ustar -f "${dest}.tar.gz" "$dest"
    cd ../../..
fi

infer_tag_name() {
    local with_vs=$(git tag | grep 'v[0-9]\+\.[0-9]\+' | wc -l)
    local without_vs=$(git tag | grep '[0-9]\+\.[0-9]\+' | wc -l)
    if [[ $with_vs > $without_vs ]]; then
        echo "v${ver}"
    else
        echo "${ver}"
    fi
}

echo
echo "Release looks good, let's ship it!"
git commit *.cabal -m "Bump to $ver" --edit
cabal sdist

read -p "Hackage username: " username
read -s -p "Hackage password: " password
echo
cabal upload --username $username --password $password dist/*-${ver}.tar.gz
read -p "Go have a look at the candidate before proceding"
cabal upload --username $username --password $password --publish dist/*-${ver}.tar.gz

# Tag release
tag_name=`infer_tag_name`
echo "Tagging ${tag_name}"
git tag --annotate --sign -u ben@smart-cactus.org ${tag_name}
git push origin master ${tag_name}

# Upload documentation
if [ $has_docs != 0 ]; then
    curl -X PUT -H 'Content-Type: application/x-tar' -H 'Content-Encoding: gzip' \
         --data-binary "@dist/doc/html/${dest}.tar.gz" \
         "https://${username}:${password}@hackage.haskell.org/package/${name}-${ver}/docs" \
        && echo "Documentation upload succeeded."
    echo
fi
echo "Version $ver of package $name released."