Add branch protection to a repo using GitHub's Graphql API

operations.graphql

fragment branchProtection on BranchProtectionRule {
  allowsDeletions
  allowsForcePushes
  creator {
    login
  }
  id
  isAdminEnforced
  requiredStatusCheckContexts
  requiredApprovingReviewCount
  requiresApprovingReviews
  requiresCodeOwnerReviews
  requiresConversationResolution
  requiresStatusChecks
  restrictsPushes
  restrictsReviewDismissals
  dismissesStaleReviews
  pattern
}

fragment repositoryPaging on RepositoryConnection {
  pageInfo {
    hasNextPage
    endCursor
  }
  totalCount
}

query listAllReposInOrg($orgLogin: String!, $endCursor: String) {
  organization(login: $orgLogin) {
    repositories(first: 100, after: $endCursor) {
      nodes {
        name
      }
      ...repositoryPaging
    }
  }
}

query allOrgRepoDirectCollaborators($orgLogin: String!, $endCursor: String) {
  organization(login: $orgLogin) {
    repositories(first: 100, after: $endCursor) {
      nodes {
        name
        isArchived
        collaborators(affiliation: DIRECT) {
          edges {
            node {
              login
            }
            permission
            permissionSources {
              permission
              source {
                __typename
                ... on Organization {
                  login
                }
                ... on Repository {
                  name
                }
                ... on Team {
                  slug
                }
              }
            }
          }
        }
      }
      ...repositoryPaging
    }
  }
}

query showBranchProtection($owner:String!, $repo:String!) {
  repository(name: $repo, owner: $owner) {
    id
    name
    branchProtectionRules(first: 10) {
      totalCount
      nodes {
        ...branchProtection
      }
    }
  }
}

mutation addBranchProtection($repositoryId:ID!, $branchPattern:String!, $requiredStatusChecks:[String!]) {
  createBranchProtectionRule(input: {
    allowsDeletions: false
    allowsForcePushes:false
    dismissesStaleReviews:true
    isAdminEnforced:false
    pattern: $branchPattern
    repositoryId: $repositoryId
    requiresApprovingReviews:true
    requiredApprovingReviewCount:1
    requiresCodeOwnerReviews:true
    requiresConversationResolution:true
    requiredStatusCheckContexts:$requiredStatusChecks
    requiresStatusChecks:true
    restrictsReviewDismissals:false
  }) {
    branchProtectionRule {
      ...branchProtection
    }
  }
}

mutation deleteBranchProtection($ruleId:ID!) {
  deleteBranchProtectionRule(input:{branchProtectionRuleId:$ruleId}) {
    clientMutationId
  }
}