make-release

#!/bin/bash

if ! hash yq 2>/dev/null; then
    echo >&2 "I require yq but it's not installed.  Aborting."
    exit 1
fi

if [[ $# != 2 ]]; then
    echo >&2 "Missing arguments"
    echo >&2 "Usage: make-release <new-chart-version> <new-app-version>"
    echo >&2 "Current versions:"
    grep -E 'version|appVersion' stable/launcher/Chart.yaml
    exit 1
fi

chart_version=$1
app_version=$2

if output=$(git status --porcelain) && [ -z "$output" ]; then
    dummy=foo
else
    echo >&2 "Working directory not clean, commit or stash your changes first"
    exit 1
fi

# Get current commit IDs for the Launcher and the Welcome App
app_commit=$(curl -s https://api.github.com/repos/fabric8-launcher/launcher-application/commits/HEAD | jq -r '.sha' | cut -c1-7)
welcome_commit=$(curl -s https://api.github.com/repos/fabric8-launcher/launcher-creator-welcome-app/commits/HEAD | jq -r '.sha' | cut -c1-7)

# Re-create the release-values.yaml with the new commit IDs
echo -e "application:\n  image:\n    tag: $app_commit" > release-values.yaml
echo -e "welcome:\n  image:\n    tag: $welcome_commit" >> release-values.yaml

# Make backup of the Launcher's yaml file
cp -a stable/launcher/values.yaml stable/launcher/values.yaml.bak

# Update the Launcher's value.yaml with the new commit IDs
sed -Ei "s/tag:\s+.*\s+#\s+LAUNCHER/tag: $app_commit # LAUNCHER/g" stable/launcher/values.yaml
sed -Ei "s/tag:\s+.*\s+#\s+WELCOME/tag: $welcome_commit # WELCOME/g" stable/launcher/values.yaml

# Update the Launcher's Chart.yaml with the new commit IDs
sed -Ei "s/^version:\s+.*$/version: $chart_version/g" stable/launcher/Chart.yaml
sed -Ei "s/^appVersion:\s+.*$/appVersion: $app_version/g" stable/launcher/Chart.yaml

# Package the chart
helm package stable/launcher

# Commit the yaml files and place tag
git add release-values.yaml stable/launcher/Chart.yaml stable/launcher/values.yaml
git commit -m "Chart updated to version $chart_version"
git tag $chart_version

# Restore the Launcher's yaml file
mv stable/launcher/values.yaml.bak stable/launcher/values.yaml

# Commit the yaml file
git add stable/launcher/values.yaml
git commit -m "Restored chart for further development"

# Switch to gh-pages branch
git checkout gh-pages

# Move package to its proper place
mv launcher-$chart_version.tgz stable/

# Run the Helm repo indexer
helm repo index stable

# Commit package and index
git add stable/index.yaml stable/launcher-$chart_version.tgz
git commit -m "Added packaged chart for version $chart_version"

# Tell user what to do next
echo ""
echo "If everything went okay and there are no errors you should now be in the 'gh-pages' branch."
echo "You can now push the changes, switch back to master and push the changes there as well."