allow additional_registries to have tag prefix

src/action.js

@@ -3,9 +3,11 @@ import * as github from '@actions/github';
 import * as action_information from 'information';
 import {
   addCiRegistryAuth,
-  collectTags, executeDockerBuild,
+  collectTags,
+  executeDockerBuild,
   mergeArgRegistryAuthJson,
-  prepareDestinations, prepareDockerArgs,
+  prepareDestinations,
+  prepareDockerArgs,
   processAdditionalRegistries,
   writeRegistryAuthJson
 } from './lib';
@@ -22,7 +24,7 @@ try {
 
   let ci_registry = false;
   if (core.getBooleanInput('add_ci_registry_target')) {
-    ci_registry = information.ci_hostname + '/' + repoStr;
+    ci_registry = information.ci_hostname + '/' + repoStr + ':';
     targetRegistries.push(ci_registry);
   }
 

src/lib.js

@@ -11,8 +11,8 @@ export function processAdditionalRegistries(targetRegistries) {
     const additionalRegistriesArr = additionalRegistries.split(',');
     for (let registry of additionalRegistriesArr) {
       registry = registry.trim();
-      if (registry.endsWith(':')) {
-        registry = registry.substring(0, registry.length - 1);
+      if (!registry.contains(':')) {
+        registry += ':';
       }
       targetRegistries.push(registry);
     }
@@ -118,7 +118,7 @@ export function prepareDestinations(registries, tags) {
   const destinations = [];
   registries.forEach((registry) => {
     tags.forEach((tag) => {
-      destinations.push(registry + ':' + tag);
+      destinations.push(registry + tag);
     });
   });