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Exclude install media from disk picker #73

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48f3233
Exclude install media from disk picker
mplaczek99 Apr 3, 2026
9d86ae0
Document boot-disk exclusion in configurator
mplaczek99 Apr 3, 2026
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26 changes: 25 additions & 1 deletion configs/airootfs/root/configurator
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Original file line number Diff line number Diff line change
Expand Up @@ -211,12 +211,36 @@ get_disk_info() {
echo "$display"
}

get_root_disk() {
local device="$1"
local parent

[[ -n $device ]] || return 1

# /run/archiso/bootmnt usually resolves to the boot partition, but the
# installer picker works with whole disks. Walk back to the parent disk so
# the install media itself never shows up as a wipe target.
device=$(readlink -f "$device" 2>/dev/null || printf "%s\n" "$device")

while true; do
parent=$(lsblk -no PKNAME "$device" 2>/dev/null | tail -n1)
[[ -n $parent ]] || break
device="/dev/$parent"
done

if [[ $(lsblk -dno TYPE "$device" 2>/dev/null) == "disk" ]]; then
printf "%s\n" "$device"
fi
}

disk_form() {
step "Let's select where to install Omarchy..."

# Don't offer the install media as an option (Arch ISO mounts it here)
local boot_source
local exclude_disk
exclude_disk=$(findmnt -no SOURCE /run/archiso/bootmnt 2>/dev/null || true)
boot_source=$(findmnt -no SOURCE /run/archiso/bootmnt 2>/dev/null || true)
exclude_disk=$(get_root_disk "$boot_source")

# List all installable disks, excluding the boot device if present
local available_disks
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