use getrolename instead of permission mapping func (#1192)

Co-authored-by: Keegan Campbell <me@kfcampbell.com>

github/data_source_github_collaborators.go

@@ -179,13 +179,7 @@ func flattenGitHubCollaborators(collaborators []*github.User) ([]interface{}, er
 		result["received_events_url"] = c.GetReceivedEventsURL()
 		result["type"] = c.GetType()
 		result["site_admin"] = c.GetSiteAdmin()
-
-		permissionName, err := getRepoPermission(c.GetPermissions())
-		if err != nil {
-			return nil, err
-		}
-
-		result["permission"] = permissionName
+		result["permission"] = c.GetRoleName()
 		results = append(results, result)
 	}
 

github/resource_github_repository_collaborator.go

@@ -35,11 +35,10 @@ func resourceGithubRepositoryCollaborator() *schema.Resource {
 				ForceNew: true,
 			},
 			"permission": {
-				Type:         schema.TypeString,
-				Optional:     true,
-				ForceNew:     true,
-				Default:      "push",
-				ValidateFunc: validateValueFunc([]string{"pull", "triage", "push", "maintain", "admin"}),
+				Type:     schema.TypeString,
+				Optional: true,
+				ForceNew: true,
+				Default:  "push",
 				DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
 					if d.Get("permission_diff_suppression").(bool) {
 						if new == "triage" || new == "maintain" {
@@ -141,14 +140,9 @@ func resourceGithubRepositoryCollaboratorRead(d *schema.ResourceData, meta inter
 
 		for _, c := range collaborators {
 			if strings.EqualFold(c.GetLogin(), username) {
-				permissionName, err := getRepoPermission(c.GetPermissions())
-				if err != nil {
-					return err
-				}
-
 				d.Set("repository", repoName)
 				d.Set("username", c.GetLogin())
-				d.Set("permission", permissionName)
+				d.Set("permission", c.GetRoleName())
 				return nil
 			}
 		}

github/resource_github_team_repository.go

@@ -131,13 +131,7 @@ func resourceGithubTeamRepositoryRead(d *schema.ResourceData, meta interface{})
 		d.Set("team_id", teamIdString)
 	}
 	d.Set("repository", repo.GetName())
-
-	permName, permErr := getRepoPermission(repo.GetPermissions())
-	if permErr != nil {
-		return permErr
-	}
-
-	d.Set("permission", permName)
+	d.Set("permission", repo.GetRoleName())
 
 	return nil
 }

github/util_permissions.go

@@ -1,7 +1,6 @@
 package github
 
 import (
-	"errors"
 	"fmt"
 
 	"github.com/google/go-github/v45/github"
@@ -17,27 +16,6 @@ const (
 	readPermission     string = "read"
 )
 
-func getRepoPermission(p map[string]bool) (string, error) {
-
-	// Permissions are returned in this map format such that if you have a certain level
-	// of permission, all levels below are also true. For example, if a team has push
-	// permission, the map will be: {"pull": true, "push": true, "admin": false}
-	if (p)[adminPermission] {
-		return adminPermission, nil
-	} else if (p)[maintainPermission] {
-		return maintainPermission, nil
-	} else if (p)[pushPermission] {
-		return pushPermission, nil
-	} else if (p)[triagePermission] {
-		return triagePermission, nil
-	} else {
-		if (p)[pullPermission] {
-			return pullPermission, nil
-		}
-		return "", errors.New("At least one permission expected from permissions map.")
-	}
-}
-
 func getInvitationPermission(i *github.RepositoryInvitation) (string, error) {
 	// Permissions for some GitHub API routes are expressed as "read",
 	// "write", and "admin"; in other places, they are expressed as "pull",

website/docs/r/repository_collaborator.html.markdown

@@ -44,7 +44,7 @@ The following arguments are supported:
 * `repository` - (Required) The GitHub repository
 * `username` - (Required) The user to add to the repository as a collaborator.
 * `permission` - (Optional) The permission of the outside collaborator for the repository.
-            Must be one of `pull`, `push`, `maintain`, `triage` or `admin` for organization-owned repositories.
+            Must be one of `pull`, `push`, `maintain`, `triage` or `admin` or the name of an existing [custom repository role](https://docs.github.com/en/enterprise-cloud@latest/organizations/managing-peoples-access-to-your-organization-with-roles/managing-custom-repository-roles-for-an-organization) within the organization for organization-owned repositories.
             Must be `push` for personal repositories. Defaults to `push`.
 * `permission_diff_suppression` - (Optional) Suppress plan diffs for `triage` and `maintain`.  Defaults to `false`.
 
@@ -60,4 +60,4 @@ GitHub Repository Collaborators can be imported using an ID made up of `reposito
 
 ```
 $ terraform import github_repository_collaborator.collaborator terraform:someuser
-```
+```