Example build script for project Meristem.

build.sh

#!/bin/bash

# Set git fetch match pattern to fetch all branches. 
# If this isn't set, running git fetch may not pull all the branches we need.
git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"

git clone ${REPO_URL} tmp/
cd tmp/
git fetch --all

# Stop the script if something breaks during checkout. i.e. SHA wasn't pushed to origin.
if ! git checkout ${baseline_branch}; then
    exit 1
fi
cd ..
cp -r tmp/ build/

# jq is a json processing utility https://stedolan.github.io/jq/
for row in $(echo "${variations}" | jq -c '.[]'); do
    name=$(echo ${row} | jq -r '.name')
    sha=$(echo ${row} | jq -r '.sha')
    cd tmp/
    if ! git checkout ${sha}; then
        exit 1
    fi
    cd ..
    cp -r tmp/src/flows/baseline build/src/flows/${name}
done

cd build
npm ci
npm run build
cd ..

# Move the built assets into this repo's dist folder and clean up.
mv build/dist .
rm -rf build/
rm -rf tmp/
echo "Build complete."