Get the number of contributing developers over the past 90 days

get-contrib-devs.sh

#!/bin/bash

# Initialize variables
org_name=$1
total_members=0
total_contributors=0

# Calculate 90 days ago in ISO8601 format
since_date=$(date -u -d '90 days ago' +%Y-%m-%dT%H:%M:%SZ)

# Fetch organization members
members_response=$(gh api "orgs/$org_name/members" --paginate)
if [[ $? -ne 0 ]]; then
  echo "Error while fetching organization members. Exiting."
  exit 1
fi

# Count total organization members
total_members=$(echo "$members_response" | jq -r '. | length')
echo "total_members=$total_members"

# Loop through organization members to check contributions
for login in $(echo "$members_response" | jq -r '.[].login'); do
  contribution_query="query(\$login: String!) {
    user(login: \$login) {
      contributionsCollection(from: \"$since_date\") {
        contributionCalendar {
          totalContributions
        }
      }
    }
  }"

  contribution_response=$(gh api graphql -f query="$contribution_query" -f login="$login")
  echo "queried for $login"

  if [[ $? -ne 0 ]]; then
    echo "Error while checking contributions for $login. Skipping."
    continue
  fi

  total_contributions=$(echo "$contribution_response" | jq -r '.data.user.contributionsCollection.contributionCalendar.totalContributions')

  if [[ "$total_contributions" -gt 0 ]]; then
    total_contributors=$((total_contributors + 1))
  fi
done

# Calculate percentage of contributing members
percentage=0
if [[ "$total_members" -gt 0 ]]; then
  percentage=$(awk -v contributors="$total_contributors" -v members="$total_members" 'BEGIN { printf("%.2f", (contributors/members)*100) }')
fi

echo "Total organization members: $total_members"
echo "Total contributors in the past 90 days: $total_contributors"
echo "Percentage of contributors: $percentage%"