logs: more exec logging

lib/util/exec/docker/index.ts

@@ -17,6 +17,7 @@ async function prefetchDockerImage(taggedImage: string): Promise<void> {
     logger.debug(`Fetching Docker image: ${taggedImage}`);
     prefetchedImages.add(taggedImage);
     await rawExec(`docker pull ${taggedImage}`, { encoding: 'utf-8' });
+    logger.debug(`Finished fetching Docker image`);
   }
 }
 

lib/util/exec/index.ts

@@ -120,6 +120,8 @@ export async function exec(
 
   let res: ExecResult | null = null;
   for (const rawExecCommand of commands) {
+    logger.debug({ command: rawExecCommand }, 'Executing command');
+    logger.trace({ commandOptions: rawExecOptions }, 'Command options');
     const startTime = hrtime();
     res = await rawExec(rawExecCommand, rawExecOptions);
     const duration = hrtime(startTime);