Generate a release using generate-changelog and bump version

auto-release.sh

#!/usr/bin/env bash
# Generate the changelog, make a release if necessary and return the version number

# Pass in the path to the source repo so the appropriate __init__.py file is changed
SOURCE_DIR=$1

# The first 20 characters of the branch name for development releases
BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD | cut -c 1-20)

# Generate the changelog and get the release hint
RELEASE_KIND=$(generate-changelog --output release-hint)

# Default bumpversion options (changed when it is a development release)
BUMPVERSION_OPTIONS=""

# Default files for bumpversion to change
#   leave blank to use the configured files
#   overridden if it is a development release
CHANGE_FILES=""

if [[ $RELEASE_KIND == "no-release" ]]; then
  # If no release is necessary, return the current version
  CURRENT_VERSION=$(awk '/\[/{prefix=$0; next} $1{print prefix $0}' setup.cfg | grep "^\[bumpversion\]current_version.*" | sed -r s,"^.*= *",,)
  echo $CURRENT_VERSION
  exit 0
elif [[ $RELEASE_KIND == "dev" ]]; then
  # If this is a development release, don't tag the commit and only change the __init__.py file
  BUMPVERSION_OPTIONS="$BUMPVERSION_OPTIONS --no-tag --no-configured-files"
  CHANGE_FILES="$SOURCE_DIR/__init__.py"
fi

export BRANCH_NAME
NEW_VERSION=$(bumpversion $BUMPVERSION_OPTIONS --list --allow-dirty "$RELEASE_KIND" $CHANGE_FILES | grep new_version= | sed -r s,"^.*=",,)
echo $NEW_VERSION