Get number of GitHub contributors in the last quarter for an organization

get-quarterly-contributors.sh

ORG=my-org-name

# Query to get repos within an org with a definex primary language
GETREPOQUERY=$(cat <<-END
query (\$endCursor: String) {
  organization(login: "Remitly") {
    repositories(first: 100, after: \$endCursor) {
      nodes {
        name
        primaryLanguage {
          name
        }
      }
      pageInfo {
        hasNextPage
        endCursor
      }
    }
  }
}
END

)

# Get number of processors (for linux or mac)
NUMCPUS=$(nproc || sysctl -n hw.ncpu)

echo "Getting repositories for $ORG..."
# Get all repositories with a primary language (it looks like this only includes programming languages and not things like Markdown)
gh api graphql --paginate -q '.data.organization.repositories.nodes | flatten(1).[] | select(.primaryLanguage.name) | .name' -f query="$GETREPOQUERY" > repos.txt
echo "$ORG has $( cat repos.txt| wc -l | sed 's/ //g') repositories"

# Get users that acted on this repo in the last quarter
echo "Getting quarterly contributions for $ORG repos (parellelizing with $NUMCPUS threads)"
cat repos.txt | xargs -I % -P $NUMCPUS gh api "/repos/$ORG/%/activity?time_period=quarter" -q '.[].actor.login' | sort -u > contributors.txt

# Get overlap of org users and contributors to repos
echo "$(cat contributors.txt| wc -l | sed 's/ //g') unique users contributed to $ORG this quarter. See contributors.txt for details."