Merge pull request #12 from urcomputeringpal/set-label-colors

Create labels, set their colors and descriptions

src/labels.ts

@@ -53,7 +53,7 @@ export async function computeLabels(
   return labels
 }
 
-export async function writeLabels(
+export async function labelPR(
   labels: LabelMutations,
   prNumber: number,
   context: Context,
@@ -79,3 +79,69 @@ export async function writeLabels(
     }
   }
 }
+
+// an exported function called ensureLabels that takes in a labelPrefix
+// string, a context object, and an octokit object this function either creates
+// or updates each of the labels that the computeLabels function may return to
+// assign them colors that reflect their meaning (to me at least).
+export async function ensureLabels(
+  labelPrefix: string,
+  context: Context,
+  octokit: OctokitInstance
+): Promise<void> {
+  const labels = [
+    {
+      name: `${labelPrefix} updates`,
+      color: 'ffcc00',
+      description: `This PR will update Pulumi resources in ${labelPrefix}.`
+    },
+    {
+      name: `${labelPrefix} replacements`,
+      color: 'ff9900',
+      description: `This PR will replace Pulumi resources in ${labelPrefix}.`
+    },
+    {
+      name: `${labelPrefix} creations`,
+      color: '0000ff',
+      description: `This PR will create Pulumi resources in ${labelPrefix}.`
+    },
+    {
+      name: `${labelPrefix} deletions`,
+      color: 'ff3300',
+      description: `This PR will delete Pulumi resources in ${labelPrefix}.`
+    },
+    {
+      name: `${labelPrefix} noop`,
+      color: '00cc00',
+      description: `This PR is a ${labelPrefix} Pulumi noop.`
+    }
+  ]
+
+  for (const label of labels) {
+    try {
+      await octokit.rest.issues.createLabel({
+        ...context.repo,
+        ...label
+      })
+    } catch (error: unknown) {
+      if (error instanceof Error && 'status' in error && error.status !== 422) {
+        throw error
+      }
+      // update the label's color if it already exists
+      try {
+        await octokit.rest.issues.updateLabel({
+          ...context.repo,
+          ...label
+        })
+      } catch (updateError: unknown) {
+        if (
+          updateError instanceof Error &&
+          'status' in updateError &&
+          updateError.status !== 422
+        ) {
+          throw updateError
+        }
+      }
+    }
+  }
+}

src/main.ts

@@ -2,7 +2,7 @@ import * as core from '@actions/core'
 import {context, getOctokit} from '@actions/github'
 import {requestLog} from '@octokit/plugin-request-log'
 import {retry} from '@octokit/plugin-retry'
-import {computeLabels, writeLabels} from './labels'
+import {computeLabels, ensureLabels, labelPR} from './labels'
 
 async function run(): Promise<void> {
   try {
@@ -23,7 +23,8 @@ async function run(): Promise<void> {
     }
 
     const labels = await computeLabels(pulumiOutput, labelPrefix)
-    await writeLabels(labels, prNumber, context, octokit)
+    await ensureLabels(labelPrefix, context, octokit)
+    await labelPR(labels, prNumber, context, octokit)
   } catch (error) {
     if (error instanceof Error) core.setFailed(error.message)
   }