Add support for copying in CC distribution lists.

README.md

@@ -30,6 +30,7 @@ jobs:
         SENDGRID_API_TOKEN: ${{ secrets.SENDGRID_API_TOKEN }}
         RECIPIENTS_URL: ${{ secrets.RECIPIENTS_URL }}
         SENDER_EMAIL: ${{ secrets.SENDER_EMAIL }}
+        DISTRIBUTION_LISTS: ${{ secrets.DISTRIBUTION_LISTS }}
 ```
 
 ### 2. Set the SendGrid secret
@@ -48,10 +49,14 @@ [email protected]
 
 If you don't know where to host this file, just go to [GitHub Gists](https://gist.github.com) and create a new textfile with the e-mails you want to target. After you save the file just click `raw` and get the URI of the file you've just created.
 
-### 3. Set the SENDER_EMAIL secret
+### 4. Set the DISTRIBUTION_LISTS secret (Optional)
+
+Do the same for a secret named `DISTRIBUTION_LISTS`. The secret contents is a comma separated list of e-mails for other lists (This e-mails will be put in CC in the outgoing mail).
+
+### 5. Set the SENDER_EMAIL secret
 
 Do the same for a secret named `SENDER_EMAIL` including the e-mail to be used in the `from:` field on the mail message.
 
-### 4. Test the workflow!
+### 6. Test the workflow!
 
 Create a new release for your repository and verify that the action triggers and that the e-mails were sent. Sometimes it's worth checking the spam inbox.

env.template

@@ -1,4 +1,5 @@
 SENDGRID_API_TOKEN=
 RECIPIENTS_URL=
+DISTRIBUTION_LISTS=
 SENDER_EMAIL=
 GITHUB_EVENT_PATH=

src/notify.js

@@ -5,7 +5,7 @@ const sendgridMail = require('@sendgrid/mail');
 
 const setCredentials = () => sendgridMail.setApiKey(process.env.SENDGRID_API_TOKEN);
 
-async function prepareMessage(recipients) {
+async function prepareMessage(recipients, lists) {
   const { repository, release } = JSON.parse(fs.readFileSync(process.env.GITHUB_EVENT_PATH, 'utf8'));
 
   const converter = new showdown.Converter();
@@ -33,15 +33,17 @@ async function prepareMessage(recipients) {
       email: sender,
     },
     to: sender,
+    cc: lists,
     bcc: recipients,
     subject,
     html: releaseBody,
   };
 }
-async function run(recipientsUrl) {
+async function run(recipientsUrl, distributionLists) {
   const { data } = await axios.get(recipientsUrl);
   const recipients = data.split(/\r\n|\n|\r/);
-  const message = await prepareMessage(recipients);
+  const lists = distributionLists ? distributionLists.split(',') : [];
+  const message = await prepareMessage(recipients, lists);
   await sendgridMail.send(message);
   console.log('Mail sent!');
 }
@@ -50,7 +52,7 @@ async function run(recipientsUrl) {
  * Run
  */
 setCredentials();
-run(process.env.RECIPIENTS_URL)
+run(process.env.RECIPIENTS_URL, process.env.DISTRIBUTION_LISTS)
   .catch((error) => {
     console.error(error);
     process.exit(1);