wip

run

@@ -254,6 +254,7 @@ handle_exec() {
           cd \"$install_location\" &&
           git config --local user.name 'Parity Bot' &&
           git config --local user.email [email protected] &&
+          git config --local advice.detachedHead false &&
           yarn &&
           ${env_vars:-} yarn start 2>&1 | tee -a \"$exec_log_file\"
         "

runner.js

@@ -43,18 +43,10 @@ class Runner {
       // it's done and read the results afterwards, which is less likely to add
       // any sort of friction that could introduce variation in the measurements
       // compared to if one would run them manually.
-      await new Promise(function (resolve) {
-        shell.exec(
-          cmd,
-          { silent: false, async: true },
-          function (code, fullStdout, fullStderr) {
-            error = code !== 0
-            stderr = fullStderr
-            stdout = fullStdout
-            resolve()
-          },
-        )
-      })
+      const result = shell.exec(cmd, { silent: false })
+      stderr = result.stderr
+      error = result.code !== 0
+      stdout = result.stdout
     } catch (err) {
       error = true
       try {