Don't mutate a deployment if created by another workflow (#39)

This commit adds the ability to still communicate via Slack that a
deployment went through without actually having this workflow
manage the deployment logic itself.

Author: tiagonbotelho

dist/main/index.js

@@ -1,6 +1,6 @@
 {
   "name": "action-deploy",
-  "version": "2.1.6",
+  "version": "2.2.0",
   "private": true,
   "description": "Action to manage GitHub deployments",
   "main": "lib/main.js",

dist/post/index.js

@@ -65,15 +65,19 @@ export async function run (): Promise<void> {
   switch (type) {
     case 'create':
       try {
-        deploymentId = await create(
-          client,
-          logsUrl,
-          description,
-          status,
-          environment,
-          environmentUrl,
-          mainBranch
-        )
+        // If a deployment was already created on a previous job,
+        // don't create one again.
+        if (deploymentId === '0') {
+          deploymentId = await create(
+            client,
+            logsUrl,
+            description,
+            status,
+            environment,
+            environmentUrl,
+            mainBranch
+          )
+        }
         console.log(`saveState::${DEPLOYMENT_ID_STATE_NAME}: ${deploymentId}`)
         core.saveState(DEPLOYMENT_ID_STATE_NAME, deploymentId) // for internal use
         core.setOutput(DEPLOYMENT_ID_STATE_NAME, deploymentId) // keep that output for external dependencies

package-lock.json

@@ -12,6 +12,7 @@ export async function post (): Promise<void> {
   let slackToken: string
   let slackChannel: string
   let deploymentConfidenceUrl: string
+  let mutateDeployment: boolean
 
   const { actor, ref, repo, sha } = github.context
 
@@ -42,6 +43,11 @@ export async function post (): Promise<void> {
     slackChannel = getInput('slack_channel') ?? ''
     console.log(`slack_channel: ${slackChannel}`)
 
+    // We want to mutate the Deployment by default, unless the deployment
+    // was already mutated by another action and we just want to notify
+    mutateDeployment = getInput('mutate_deployment') !== 'false'
+    console.log(`mutate_deployment: ${mutateDeployment.toString()}`)
+
     deploymentConfidenceUrl = getInput('deployment_confidence_url') ?? ''
     console.log(`deployment confidence dashboard URL: ${deploymentConfidenceUrl}`)
   } catch (error) {
@@ -69,7 +75,8 @@ export async function post (): Promise<void> {
       await postSlackNotification(slackToken, slackChannel, environment, status, github.context, deploymentConfidenceUrl)
 
       try {
-        await complete(client, Number(deploymentId), status)
+        // If the deployment was managed by another workflow we don't want to mutate it here
+        if (mutateDeployment) await complete(client, Number(deploymentId), status)
       } catch (error) {
         if (error.name === 'HttpError' && error.status === 404) {
           console.log('Couldn\'t complete a deployment: not found')