cosmopolitan/tool/zsh/mkofs
Steven Dee (Jōshin) 9f6bf6ea71
tool/zsh/mkofs: doas
2025-01-13 16:48:55 -08:00

28 lines
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[[ -f /proc/mounts ]] || {
echo "mkofs: only supported on linux" >&2
return 2
}
local o
if [[ -d o ]]; then
o=$(pwd -P)/o
else
echo "mkofs: o/ not found" >&2
echo "suggested preparation:" >&2
echo " mkdir -m 555 o" >&2
return 1
fi
cut -d' ' -f2 /proc/mounts | while read -r line; do
if [[ "$o" = "$line" ]]; then
echo "mkofs: $o already mounted" >&2
return 0
fi
done
if whence doas >/dev/null; then
doas=doas
else
doas=sudo
fi
( set -x
$doas mount -t tmpfs -o size=10G,noatime,nodiratime /dev/shm "$o"
)
# vim:ft=zsh