diff --git a/src/cml.js b/src/cml.js
index 4883848eb9..0f9b74804e 100755
--- a/src/cml.js
+++ b/src/cml.js
@@ -337,13 +337,9 @@ class CML {
     } = opts;
 
     const driver = getDriver(this);
-    const command = await driver.updateGitConfig({ userName, userEmail });
-    await exec(command);
-    if (unshallow) {
-      if ((await exec('git rev-parse --is-shallow-repository')) === 'true') {
-        await exec('git fetch --unshallow');
-      }
-    }
+    const shallow = await exec('git rev-parse --is-shallow-repository');
+    if (unshallow && shallow === 'true') await exec('git fetch --unshallow');
+    await exec(await driver.updateGitConfig({ userName, userEmail }));
     await exec('git fetch --all');
   }