container hack for build: unshare + chroot. unshare guarantees unmounts, given a ephemeral file system namespace :-)
#!/bin/sh
set -eu
rootfs_dir=$1
adm_user=$2
if [ "$#" -eq 3 ]; then
proxy_address=""
cmdline=$3
else
proxy_address=$3
cmdline=$4
fi
sudo unshare --mount --pid --fork sh -c "
mount --bind /sys '$rootfs_dir/sys'
mount --bind /dev '$rootfs_dir/dev'
mount -t proc proc '$rootfs_dir/proc'
mount -t devpts devpts '$rootfs_dir/dev/pts'
chroot '$rootfs_dir' su - '$adm_user' -c 'export PUAVO_CACHE_PROXY=\"$proxy_address\"; $cmdline'
"
BREAKING: The C++ committee imposes tariffs on non-US locales.
Quite cool, I have to say. fwupdmgr managed to update my HP USB-C Dock G5.