nix

commit ab8bed488096fb7e2a2eb937f1bb5ef669cbfb28
parent d33aad9a815e8f381fa4e45ab577f10806e8a9f6
Author: mtmn <miro@haravara.org>
Date:   Sun, 26 Apr 2026 22:42:22 +0200

void: add 9front qemu helper

Diffstat:
M
hosts/void/overlays/config/shell/rc/void
 | 
0

A
modules/mixins/dotfiles/bin/q9
 | 
108
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 108 insertions(+), 0 deletions(-)
diff --git a/hosts/void/overlays/config/shell/rc/void b/hosts/void/overlays/config/shell/rc/void
Binary files differ.
diff --git a/modules/mixins/dotfiles/bin/q9 b/modules/mixins/dotfiles/bin/q9
@@ -0,0 +1,108 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+DISK="$HOME/misc/random/9front.qcow2"
+DISK_SIZE="5G"
+RAM="1024"
+ISO_PATTERN="$HOME/misc/random/9front-*.iso"
+
+QEMU_COMMON=(
+	-m "$RAM"
+	-hda "$DISK"
+	-vga std
+	-net nic
+	-net user
+)
+
+if [[ "$(uname)" == "Linux" ]] && [[ -e /dev/kvm ]]; then
+	QEMU_COMMON+=(-enable-kvm)
+fi
+
+cmd_help() {
+	cat <<EOF
+Usage: $(basename "$0") <command>
+
+Commands:
+  download    Download the latest 9front image
+  install     Boot from ISO to install
+  run         Boot the installed system
+  help        Show this message
+EOF
+}
+
+cmd_download() {
+	if compgen -G "$ISO_PATTERN" >/dev/null 2>&1; then
+		echo "ISO already present: $(compgen -G "$ISO_PATTERN" | head -1)"
+		return
+	fi
+
+	DOWNLOAD_DIR="$(dirname "$DISK")"
+	mkdir -p "$DOWNLOAD_DIR"
+
+	BASE_URL="https://9front.org/iso"
+	# Scrape the index page for the latest amd64 .iso.gz link
+	GZ_FILE=$(curl -s "$BASE_URL/" |
+		grep -oE '9front-[0-9]+\.amd64\.iso\.gz' |
+		sort -t- -k2 -rn |
+		head -1)
+
+	if [[ -z "$GZ_FILE" ]]; then
+		echo "Could not find ISO. Check $BASE_URL manually."
+		exit 1
+	fi
+
+	TORRENT_URL="$BASE_URL/$GZ_FILE.torrent"
+
+	echo "Downloading via torrent: $TORRENT_URL"
+	if command -v aria2c &>/dev/null; then
+		aria2c --seed-time=0 --dir="$DOWNLOAD_DIR" "$TORRENT_URL"
+	else
+		comma aria2c --seed-time=0 --dir="$DOWNLOAD_DIR" "$TORRENT_URL"
+	fi
+
+	echo "Decompressing $GZ_FILE"
+	gunzip "$DOWNLOAD_DIR/$GZ_FILE"
+	echo "Done: $(compgen -G "$ISO_PATTERN")"
+}
+
+cmd_install() {
+	ISO=$(compgen -G "$ISO_PATTERN" 2>/dev/null | head -1) || true
+	if [[ -z "$ISO" ]]; then
+		echo "No ISO found. Run: $0 download"
+		exit 1
+	fi
+
+	if [[ ! -f "$DISK" ]]; then
+		echo "Creating disk image $DISK ($DISK_SIZE)"
+		if command -v qemu-img &>/dev/null; then
+			qemu-img create -f qcow2 "$DISK" "$DISK_SIZE"
+		else
+			comma qemu-img create -f qcow2 "$DISK" "$DISK_SIZE"
+		fi
+	fi
+
+	echo "Booting installer from $ISO"
+	echo "At the installer prompt run: inst/start"
+	echo ""
+	qemu-system-x86_64 \
+		"${QEMU_COMMON[@]}" \
+		-cdrom "$ISO" \
+		-boot d
+}
+
+cmd_run() {
+	if [[ ! -f "$DISK" ]]; then
+		echo "Disk image not found. Run: $0 install"
+		exit 1
+	fi
+
+	echo "Booting $DISK"
+	qemu-system-x86_64 "${QEMU_COMMON[@]}"
+}
+
+case "${1:-help}" in
+download) cmd_download ;;
+install) cmd_install ;;
+run) cmd_run ;;
+help | *) cmd_help ;;
+esac