bundle

src/action.js

@@ -0,0 +1,44 @@
+const core = require('@actions/core');
+const xpath = require('xpath');
+const DOMParser = require('xmldom').DOMParser;
+const fs = require('fs');
+const urlExist = require('url-exist');
+
+function isVersionReleased(version) {
+    return urlExist(`https://download.nextcloud.com/server/releases/latest-${version}.zip`);
+}
+
+function range(from, to) {
+    return [...Array(to - from + 1).keys()].map(i => i + from);
+}
+
+function onlyUnique(value, index, array) {
+    return array.indexOf(value) === index;
+}
+
+(async () => {
+    try {
+        const filename = core.getInput('filename') || 'appinfo/info.xml';
+
+        const content = fs.readFileSync(filename, 'utf8');
+        const document = new DOMParser().parseFromString(content);
+        const minVersion = parseInt(xpath.select1("//info//dependencies//nextcloud/@min-version", document).value, 10);
+        const maxVersion = parseInt(xpath.select1("//info//dependencies//nextcloud/@max-version", document).value, 10);
+
+        const versions = range(minVersion, maxVersion);
+        core.setOutput("versions", JSON.stringify(versions));
+
+        const branches = await Promise.all(versions.map(async (version) => {
+            if (await isVersionReleased(version)) {
+                return `stable${version}`;
+            } else {
+                return "master";
+            }
+        }));
+
+        core.setOutput("branches", JSON.stringify(branches.filter(onlyUnique)));
+
+    } catch (error) {
+        core.setFailed(error.message);
+    }
+})()