theupriser/steamify-cachyos-dev
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docs: wsl-build-host skill, vminstall.sh without udisks (WSL), AGENTS.md/TODO WSL notes corrected

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The WSL box has a desktop after all (WSLg windows on Windows), closing the
Arch window shuts it down, and vminstall.sh loop-mounts the ISO with losetup
as root when udisksctl is missing (R1c).
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theupriser committed 2026-09-29 15:40:03 +02:00
1 parent 6a53c957ba
commit cb247b9cc3
4 files changed
+127 -17
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scripts/vminstall.sh
+18 -9
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@@ -84,15 +84,24 @@ echo "ISO: $iso key: $VM_SSH_KEY"
# --- The ISO's kernel and initramfs, to boot it with our parameters.
boot="$VM_DIR/iso-boot"
mkdir -p "$boot"
loop="$(udisksctl loop-setup --no-user-interaction -r -f "$iso" | grep -o '/dev/loop[0-9]*')"
cleanup_loop() { udisksctl unmount --no-user-interaction -b "${loop}p1" >/dev/null 2>&1 || true; udisksctl loop-delete --no-user-interaction -b "$loop" >/dev/null 2>&1 || true; }
trap cleanup_loop EXIT
mnt=""
for _ in $(seq 10); do
mnt="$(findmnt -nro TARGET "${loop}p1" 2>/dev/null || true)"
[[ -n "$mnt" ]] && break
udisksctl mount --no-user-interaction -b "${loop}p1" >/dev/null 2>&1 || true; sleep 1
done
if ! command -v udisksctl >/dev/null && [[ $EUID -eq 0 ]]; then
# No udisks (the WSL box, as root): a plain loop device and mount.
loop="$(losetup -f -r -P --show "$iso")"
mnt="$(mktemp -d)"
cleanup_loop() { umount "$mnt" 2>/dev/null || true; rmdir "$mnt" 2>/dev/null || true; losetup -d "$loop" 2>/dev/null || true; }
trap cleanup_loop EXIT
mount -r "${loop}p1" "$mnt" 2>/dev/null || mnt=""
else
loop="$(udisksctl loop-setup --no-user-interaction -r -f "$iso" | grep -o '/dev/loop[0-9]*')"
cleanup_loop() { udisksctl unmount --no-user-interaction -b "${loop}p1" >/dev/null 2>&1 || true; udisksctl loop-delete --no-user-interaction -b "$loop" >/dev/null 2>&1 || true; }
trap cleanup_loop EXIT
mnt=""
for _ in $(seq 10); do
mnt="$(findmnt -nro TARGET "${loop}p1" 2>/dev/null || true)"
[[ -n "$mnt" ]] && break
udisksctl mount --no-user-interaction -b "${loop}p1" >/dev/null 2>&1 || true; sleep 1
done
fi
[[ -n "$mnt" ]] || { echo "Couldn't mount the ISO." >&2; exit 1; }
rm -f "$boot"/* # copied read-only from the ISO
install -m 644 "$mnt/arch/boot/x86_64/vmlinuz-linux-cachyos" "$mnt/arch/boot/x86_64/initramfs-linux-cachyos.img" "$boot/"