From 294d55580d1b96c372b19f86a8b272a30137eb75 Mon Sep 17 00:00:00 2001
From: David Zager <david.j.zager@gmail.com>
Date: Wed, 29 Jun 2022 13:26:20 -0400
Subject: [PATCH] feat: remove label when found

---
 lib/actions/require-matching-label.js |  1 +
 lib/github-issue.js                   |  9 +++++++++
 src/actions/require-matching-label.ts |  1 +
 src/github-issue.ts                   | 11 +++++++++++
 4 files changed, 22 insertions(+)

diff --git a/lib/actions/require-matching-label.js b/lib/actions/require-matching-label.js
index 141adf4..c150582 100644
--- a/lib/actions/require-matching-label.js
+++ b/lib/actions/require-matching-label.js
@@ -65,6 +65,7 @@ async function run() {
     const regexp = new RegExp(inputs.regexp);
     if (ghIssue.hasLabelRegexp(regexp)) {
         core.info("Issue has label matching expression. Do nothing.");
+        await ghIssue.removeLabel(inputs.missingLabel);
     }
     core.info(`Adding label ${inputs.missingLabel}.`);
     await ghIssue.addLabels([inputs.missingLabel]);
diff --git a/lib/github-issue.js b/lib/github-issue.js
index cc6f698..facb901 100644
--- a/lib/github-issue.js
+++ b/lib/github-issue.js
@@ -135,5 +135,14 @@ class GitHubIssue {
             labels: labels,
         });
     }
+    // remove a particular label from an issue
+    async removeLabel(label) {
+        await github.getOctokit(this.token).rest.issues.removeLabel({
+            owner: this.owner,
+            repo: this.repo,
+            issue_number: this.number,
+            name: label,
+        });
+    }
 }
 exports.GitHubIssue = GitHubIssue;
diff --git a/src/actions/require-matching-label.ts b/src/actions/require-matching-label.ts
index 9beb94f..6464a52 100644
--- a/src/actions/require-matching-label.ts
+++ b/src/actions/require-matching-label.ts
@@ -52,6 +52,7 @@ async function run() {
   const regexp = new RegExp(inputs.regexp);
   if (ghIssue.hasLabelRegexp(regexp)) {
     core.info("Issue has label matching expression. Do nothing.");
+    await ghIssue.removeLabel(inputs.missingLabel);
   }
 
   core.info(`Adding label ${inputs.missingLabel}.`);
diff --git a/src/github-issue.ts b/src/github-issue.ts
index 0401a78..8fe8150 100644
--- a/src/github-issue.ts
+++ b/src/github-issue.ts
@@ -129,6 +129,7 @@ class GitHubIssue {
     });
   }
 
+
   // addComment creates a comment with ${body}
   async addComment(body: string) {
     await github.getOctokit(this.token).rest.issues.createComment({
@@ -149,6 +150,16 @@ class GitHubIssue {
     });
   }
 
+  // remove a particular label from an issue
+  async removeLabel(label: string) {
+    await github.getOctokit(this.token).rest.issues.removeLabel({
+      owner: this.owner,
+      repo: this.repo,
+      issue_number: this.number,
+      name: label,
+    });
+  }
+
 }
 
 export { GitHubIssue };