update plugin install

src/install-plugin.ts

@@ -83,7 +83,8 @@ async function tryInstallPackages(names: string[]) {
   return false;
 }
 
-async function installPlugin(name: string, version?: string) {
+async function installPlugin(name: string, info: any) {
+  const version: string = info.$version || info.$install;
   if (name.match(/^([\.\/~\\]|[A-Za-z]:[\/\\])/)) {
     logger.info(`Plugin ${name} is a local plugin, skipping.`);
     return;
@@ -100,24 +101,21 @@ async function installPlugin(name: string, version?: string) {
   const installList: string[] = [];
   const communityPrefix = 'koishi-plugin-';
   const officialPrefix = '@koishijs/plugin-';
+  const installVersion = version || 'latest';
   if (name.includes(communityPrefix) || name.startsWith(officialPrefix)) {
-    if (version) {
-      installList.push(`${name}@${version}`);
-    } else {
-      installList.push(`${name}@latest`);
-      installList.push(`${name}@next`);
-    }
+    installList.push(`${name}@${installVersion}`);
   } else {
-    if (version) {
-      installList.push(`${officialPrefix}${name}@${version}`);
-      installList.push(`${communityPrefix}${name}@${version}`);
-    } else {
-      installList.push(`${officialPrefix}${name}@next`);
-      installList.push(`${officialPrefix}${name}@latest`);
-      installList.push(`${communityPrefix}${name}@next`);
-      installList.push(`${communityPrefix}${name}@latest`);
+    if (!info.$community) {
+      installList.push(`${officialPrefix}${name}@${installVersion}`);
+    }
+    if (!info.$official) {
+      installList.push(`${communityPrefix}${name}@${installVersion}`);
     }
   }
+  if (!installList.length) {
+    logger.warn(`Plugin ${name} has nothing to install.`);
+    return;
+  }
   const result = await tryInstallPackages(installList);
   if (!result) {
     logger.error(`Plugin ${name}@${version || 'unknown'} install failed.`);
@@ -140,7 +138,7 @@ async function main() {
     }
     const version =
       typeof info.$install !== 'boolean' ? info.$install : undefined;
-    await installPlugin(name, version);
+    await installPlugin(name, info);
   }
   logger.info(`Bootstrap finished.`);
 }