mlaunch does not quote --wiredTigerEngineConfigString parameter

[p-mongo]

I ran:

 mlaunch --replicaset --name ruby-driver-rs --sslMode requireSSL --sslPEMKeyFile /home/me/apps/mongo/dev/cert/127.0.0.1.pem --sslAllowConnectionsWithoutCertificates --dir /mnt/zram/mongodb/4.0-ssl-rs --wiredTigerCacheSizeGB 0.25 --setParameter enableTestCommands=1 --setParameter diagnosticDataCollectionEnabled=false --wiredTigerEngineConfigString 'log=(prealloc=false,file_max=20MB)' --binarypath /usr/bin --port 27440

This yielded:

/bin/sh: 1: Syntax error: "(" unexpected


can't start process, return code 2. tried to launch: "/usr/bin/mongod" --replSet ruby-driver-rs --dbpath "/mnt/zram/mongodb/4.0-ssl-rs/ruby-driver-rs/rs1/db" --logpath "/mnt/zram/mongodb/4.0-ssl-rs/ruby-driver-rs/rs1/mongod.log" --port 27440 --fork  --wiredTigerCacheSizeGB 0.25 --setParameter enableTestCommands=1 --setParameter diagnosticDataCollectionEnabled=false --wiredTigerEngineConfigString log=(prealloc=false,file_max=20MB)  --sslMode "requireSSL" --sslPEMKeyFile "/home/me/apps/mongo/dev/cert/127.0.0.1.pem" --sslAllowConnectionsWithoutCertificates

Looks like the --wiredTigerEngineConfigString argument was not quoted when it was passed to the shell.

mlaunch still created the directory specified in `--dbpath``.

Environment

Software	Version
mtools	1.5.3
MongoDB server	4.0
Operating system	Debian