MSYS2_ARG_CONV_EXCL doesn't work the way i expected

[SvenDowideit]

I have a bash script that has lines like:

export MSYS2_ARG_CONV_EXCL="/mnt;/home;/usr;/var;/tmp;/etc"
mkdir -p /mnt/${vol}
${RUN} docker volume create --opt type=none --opt device=/mnt/${vol} --opt o=bind ${vol}

the name munging is prevented for the mkdir case, but not the docker volume case

I can get the result I need, by adding device=/ to MSYS2_ARG_CONV_EXCL

but I thought I'd confirm if this is correct, or an bug.

[mati865]

MSYS2_ARG_CONV_EXCL is a semi-colon separated env. var that MSYS2 compares each part of with the front of each argument.
https://stackoverflow.com/questions/26185684/msysgit-bash-shell-thinks-argument-is-a-unc-path-when-its-not

More info here

[rkitover]

Just ran into this myself, with docker as well.

EDIT: I'm trying to pass --volume builds:/data or --mount source=builds,target=/data to docker run and nothing that I've tried to set MSYS2_ARG_CONV_EXCL to works, anyone have any ideas?

EDIT 2: never mind, my issue is actually #411