change build to update bazel-ls-eclipse from master branch

Author: AlexeiShmidman

README.md

@@ -11,7 +11,7 @@ Installation
     ```
 2. Clone the repository
     ```bash
-    git clone --recurse-submodules [email protected]:salesforce/bazel-ls-vscode.git
+    git clone [email protected]:salesforce/bazel-ls-vscode.git
     ```
 3. Install the dependencies:
     ```bash

bazel-ls-eclipse

@@ -4,10 +4,20 @@
 const gulp = require('gulp');
 const cp = require('child_process');
 const path = require('path');
+const fs = require('fs');
 const serverDir = path.join(__dirname, 'bazel-ls-eclipse');
+const mvnCmd = path.join(serverDir, mvnw());
 
 gulp.task('build-plugin', (done) => {
-  cp.execSync(`${mvnw()} clean package`, { cwd: serverDir, stdio: [0, 1, 2] });
+  
+  if( fs.existsSync(mvnCmd) ){
+   cp.execSync('git fetch origin', {cwd: serverDir, stdio: [0, 1, 2]  });
+   cp.execSync('git pull origin --force', {cwd: serverDir, stdio: [0, 1, 2]  });
+  }else{
+   cp.execSync('git clone https://github.com/salesforce/bazel-ls-eclipse.git', { cwd: __dirname, stdio: [0, 1, 2] });
+  }
+  
+  cp.execSync(`mvn clean package`, { cwd: serverDir, stdio: [0, 1, 2] });
   done();
 });