Adds support for fallback accounts on PRs

README.md

@@ -74,7 +74,7 @@ packages/documentation/copy/es/**/*.ts @KingDarBoja [translate] [es]
 
 ## Config
 
-There are only two options available at the moment:
+There are four options available at the moment:
 
 - `cwd`, which can be used to determine the root folder to look for CODEOWNER files in.
 - `merge_method`, which can be `merge` (default), `squash` or `rebase`, depending on what you want the action to do.
@@ -89,6 +89,11 @@ There are only two options available at the moment:
     merge_method: 'squash'
 ```
 
+Then 2 for handling fallbacks on PRs which aren't able to be maintained by anyone in the CODEOWNERs:
+
+- `if_no_maintainers_add_label` - A label to add which denotes it is a maintainers PR to handle
+- `if_no_maintainers_assign` - A string of `@` prefixed GitHub usernames, separated by spaces which denotes who should be assigned to PRs which don't get a CODEOWNER.
+
 ### Dev
 
 Use `npx jest --watch` to run tests.

action.yml

@@ -10,9 +10,22 @@ inputs:
   cwd:
     description: 'The path to the root folder where it should look for code owners'
     default: ''
+    required: false
+
   merge_method:
     description: "The merge strategy to use: 'merge', 'squash' or 'rebase'"
     default: 'merge'
+    required: false
+
+  if_no_maintainers_add_label:
+    description: "If a PR does not have any community maintainers, apply this label"
+    default: ''
+    required: false
+
+  if_no_maintainers_assign:
+    description: 'If a PR does not have any community maintainers, assign these people (e.g. "@orta @sandersn")'
+    default: ''
+    required: false
 
 runs:
   using: 'node12'

index.js

@@ -58,6 +58,19 @@ async function commentOnMergablePRs() {
   if (!ownersWhoHaveAccessToAllFilesInPR.length) {
     console.log("This PR does not have any code-owners who own all of the files in the PR")
     listFilesWithOwners(changedFiles, cwd)
+
+    const labelToAdd = core.getInput('if_no_maintainers_add_label')
+    if (labelToAdd) {
+      const labelConfig = { name: labelToAdd, color: Math.random().toString(16).slice(2, 8) }
+      await createOrAddLabel(octokit, thisRepo, labelConfig)
+    }
+
+    const assignees = core.getInput('if_no_maintainers_assign')
+    if (assignees) {
+      const usernames = assignees.split(" ").map(u => u.replace("@", "").trim())
+      await octokit.issues.addAssignees({ ...thisRepo, issue_number: pr.number, assignees: usernames})
+    }
+
     process.exit(0)
   }
 

index.test.js

@@ -35,4 +35,3 @@ test("deciding if someone has access to merge", () => {
   expect(filesNotInCodeowners).toEqual(["random-path/file.ts"]);
 });
 
-