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https://github.com/theupriser/steamify-cachyos-dev.git
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feat: vmisobuild.sh (ISO build in the VM, package cache per VM), vmisoboot.sh (ISO VM for Calamares), qmpshot.py/qmpclick.py; run.sh VM_CACHE/VM_CPUS/VM_NOGL/VM_PORT
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@@ -0,0 +1,16 @@
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# qmpclick.py <qmp socket> <screen w> <screen h> <x,y>...: left-clicks at
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# those guest-screen pixels (the usb-tablet from run.sh, absolute 0..32767).
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import json, socket, sys, time
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sock, w, h = sys.argv[1], int(sys.argv[2]), int(sys.argv[3])
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s = socket.socket(socket.AF_UNIX); s.connect(sock); f = s.makefile("rw"); f.readline()
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def cmd(c):
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f.write(json.dumps(c) + "\n"); f.flush(); return f.readline()
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cmd({"execute": "qmp_capabilities"})
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def ev(*events): cmd({"execute": "input-send-event", "arguments": {"events": list(events)}})
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for pos in sys.argv[4:]:
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x, y = (int(v) for v in pos.split(","))
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ev({"type": "abs", "data": {"axis": "x", "value": x * 32767 // (w - 1)}},
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{"type": "abs", "data": {"axis": "y", "value": y * 32767 // (h - 1)}})
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time.sleep(0.2)
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ev({"type": "btn", "data": {"down": True, "button": "left"}}); time.sleep(0.08)
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ev({"type": "btn", "data": {"down": False, "button": "left"}}); time.sleep(0.8)
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@@ -0,0 +1,27 @@
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# qmpshot.py <qmp socket> <out.png>: screenshot of the VM's screen over QMP
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# (screendump). Needs a VM without virgl (run.sh with VM_NOGL=1): with
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# virgl QEMU answers "no surface". Before the guest's desktop is up it shows
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# whatever is on screen (boot menu, Calamares, ...).
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import json, os, socket, sys, tempfile
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sock, out = sys.argv[1], sys.argv[2]
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s = socket.socket(socket.AF_UNIX); s.connect(sock); f = s.makefile("rw"); f.readline()
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def cmd(c):
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f.write(json.dumps(c) + "\n"); f.flush()
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while True:
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r = json.loads(f.readline())
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if "event" not in r:
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return r
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cmd({"execute": "qmp_capabilities"})
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ppm = tempfile.mktemp(suffix=".ppm")
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r = cmd({"execute": "screendump", "arguments": {"filename": ppm, "format": "ppm"}})
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if "error" in r:
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raise SystemExit("screendump: %s" % r["error"]["desc"])
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try:
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from PIL import Image
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Image.open(ppm).save(out)
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os.remove(ppm)
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except ImportError:
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os.replace(ppm, os.path.splitext(out)[0] + ".ppm")
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print("PIL missing: wrote a .ppm instead", file=sys.stderr)
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print(out)
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@@ -79,14 +79,14 @@ echo "ISO: $iso key: $VM_SSH_KEY"
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# --- The ISO's kernel and initramfs, to boot it with our parameters.
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boot="$VM_DIR/iso-boot"
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mkdir -p "$boot"
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loop="$(udisksctl loop-setup -r -f "$iso" | grep -o '/dev/loop[0-9]*')"
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cleanup_loop() { udisksctl unmount -b "${loop}p1" >/dev/null 2>&1 || true; udisksctl loop-delete -b "$loop" >/dev/null 2>&1 || true; }
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loop="$(udisksctl loop-setup --no-user-interaction -r -f "$iso" | grep -o '/dev/loop[0-9]*')"
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cleanup_loop() { udisksctl unmount --no-user-interaction -b "${loop}p1" >/dev/null 2>&1 || true; udisksctl loop-delete --no-user-interaction -b "$loop" >/dev/null 2>&1 || true; }
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trap cleanup_loop EXIT
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mnt=""
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for _ in $(seq 10); do
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mnt="$(findmnt -nro TARGET "${loop}p1" 2>/dev/null || true)"
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[[ -n "$mnt" ]] && break
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udisksctl mount -b "${loop}p1" >/dev/null 2>&1 || true; sleep 1
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udisksctl mount --no-user-interaction -b "${loop}p1" >/dev/null 2>&1 || true; sleep 1
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done
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[[ -n "$mnt" ]] || { echo "Couldn't mount the ISO." >&2; exit 1; }
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rm -f "$boot"/* # copied read-only from the ISO
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Executable
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#!/bin/bash
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# Boot a live ISO (the Steam Machine ISO) in its own VM, the normal way, to go
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# through Calamares by hand or driven with scripts/qmpkey.py / qmptype.py,
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# with screenshots of every page (scripts/qmpshot.py; no virgl, so QMP
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# screendump works). Unlike vminstall.sh nothing is automated: the wizard,
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# its Steamify pages and the installer's Steamify step run as on real
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# hardware. Starts in the background; the VM's window is where you watch.
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# scripts/vmisoboot.sh [--fresh] [--iso <file>] [run.sh flags...] e.g. --fremont
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# --fresh a new, empty disk (else the existing one: e.g. boot the
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# installed system with `./run.sh` in $VM_DIR afterwards)
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# --iso <file> default: the newest out/desktop/*.iso of the host's
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# steammachine-cachyos-live-iso checkout
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# Env: ISO_VM_DIR (~/vms/iso-vm), ISO_VM_PORT (2223: runs next to the test
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# VM on 2222).
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set -euo pipefail
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here="$(cd "$(dirname "$0")" && pwd)"
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repo="$(cd "$here/.." && pwd)"
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dir="${ISO_VM_DIR:-$HOME/vms/iso-vm}"
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port="${ISO_VM_PORT:-2223}"
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fresh=false iso="" flags=()
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--fresh) fresh=true; shift ;;
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--iso) iso="${2:?--iso needs a file}"; shift 2 ;;
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*) flags+=("$1"); shift ;;
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esac
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done
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if [[ -z "$iso" ]]; then
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iso="$(ls -t "$(dirname "$repo")"/steammachine-cachyos-live-iso/out/desktop/*.iso 2>/dev/null | head -1)"
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[[ -n "$iso" ]] || { echo "No ISO in steammachine-cachyos-live-iso/out/desktop: build one (vmisobuild.sh) or pass --iso." >&2; exit 1; }
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fi
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iso="$(cd "$(dirname "$iso")" && pwd)/$(basename "$iso")"
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mkdir -p "$dir"
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cd "$dir"
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[[ -S qmp.sock ]] && python3 -c "import socket,sys; s=socket.socket(socket.AF_UNIX); s.connect(sys.argv[1])" qmp.sock 2>/dev/null &&
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{ echo "The ISO VM in $dir is running already." >&2; exit 1; }
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cp "$repo/run.sh" run.sh
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[[ -e share ]] || ln -s "$repo/share" share
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if [[ "$fresh" == true ]]; then rm -f disk.qcow2 vars.fd; fi
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REPO="${REPO:-$(dirname "$repo")/steamify-cachyos}" VM_NOGL=1 VM_PORT="$port" VM_ISO="$iso" \
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nohup ./run.sh install "${flags[@]}" > vm.log 2>&1 &
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echo "ISO VM: $iso in $dir (SSH port $port once installed)."
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echo "Screenshot: python3 $here/qmpshot.py $dir/qmp.sock shot.png"
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echo "Keys: python3 $here/qmpkey.py $dir/qmp.sock down ret / qmptype.py $dir/qmp.sock \"text\""
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Executable
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#!/bin/bash
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# Build the Steam Machine ISO (steammachine-cachyos-live-iso) in the test VM
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# (directly, no container: build-live-modules.sh with sudo, buildiso.sh as
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# the user, it sudos itself),
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# visibly (a Konsole on the VM's desktop follows the log), with the package
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# downloads cached on the host, and copy the ISO back.
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# scripts/vmisobuild.sh [--steamify <guest path>]
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# --steamify a Steamify checkout in the guest (e.g. /mnt, the mounted
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# REPO) instead of the newest release
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# The VM must run with its cache shared (one per VM, next to its disk), and
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# gets all host cores but 2 for the build: start it with
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# VM_CACHE=$VM_DIR/iso-cache VM_CPUS=$(( $(nproc) - 2 )) scripts/vmreset.sh --fremont
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# Env: VM_DIR (see common.sh), ISO_BRANCH (feat/steamify), ISO_OUT (the host's
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# steammachine-cachyos-live-iso/out/desktop).
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set -euo pipefail
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here="$(cd "$(dirname "$0")" && pwd)"
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. "$here/common.sh"
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steamify=""
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[[ "${1:-}" == --steamify ]] && steamify="${2:?--steamify needs a guest path}"
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branch="${ISO_BRANCH:-feat/steamify}"
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# Where the ISO lands: out/desktop of the host's live-ISO checkout (next to
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# this repo), where a local build would put it.
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out="${ISO_OUT:-$(dirname "$(cd "$here/.." && pwd)")/steammachine-cachyos-live-iso/out/desktop}"
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mkdir -p "$out"
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{ printf 'branch=%q steamify=%q\n' "$branch" "$steamify"; cat << 'REMOTE'
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set -e
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export XDG_RUNTIME_DIR=/run/user/$(id -u) DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(id -u)/bus
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# The package cache on the host (9p tag `cache`), kept across snapshot resets,
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# is the VM's pacman cache: the build tools and mkarchiso (which installs the
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# ISO's packages with the build system's cache) both use it. No container:
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# the VM is CachyOS already, and a snapshot reset removes the build tools.
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sudo mkdir -p /var/cache/steamify-iso
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mountpoint -q /var/cache/steamify-iso || sudo mount -t 9p -o trans=virtio,version=9p2000.L cache /var/cache/steamify-iso ||
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{ echo "No 9p share 'cache': start the VM with VM_CACHE=<host dir> (run.sh)." >&2; exit 1; }
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sudo mkdir -p /var/cache/steamify-iso/pkg
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mountpoint -q /var/cache/pacman/pkg || sudo mount --bind /var/cache/steamify-iso/pkg /var/cache/pacman/pkg
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[ -z "$steamify" ] || mountpoint -q /mnt || sudo mount -t 9p -o trans=virtio,version=9p2000.L repo /mnt
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# archlinux.cachyos.org serves packages without their .sig (404), and pacman
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# doesn't try the next mirror for the signature of a cached package: the
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# build fails. mkarchiso uses this mirrorlist, so skip it here.
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sudo sed -i '/archlinux\.cachyos\.org/s/^Server/#Server/' /etc/pacman.d/mirrorlist
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sudo pacman -Sy --needed --noconfirm archiso mkinitcpio-archiso git squashfs-tools grub >/dev/null
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iso=~/projects/steammachine-cachyos-live-iso
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if [ -d "$iso/.git" ]; then git -C "$iso" fetch -q && git -C "$iso" checkout -q "$branch" && git -C "$iso" reset -q --hard "origin/$branch"
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else mkdir -p ~/projects && git clone -q -b "$branch" https://github.com/theupriser/steammachine-cachyos-live-iso "$iso"; fi
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cd "$iso" && echo "ISO repo: $(git log --oneline -1)"
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./steamify-prepare.sh $steamify | tail -1
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sudo rm -rf build out
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cat > ~/projects/iso-build.sh << S
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#!/bin/bash
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cd $iso
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sudo ./build-live-modules.sh && { ./buildiso.sh -p desktop -w || ./buildiso.sh -p desktop -c -w; }
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echo "== BUILD EXIT \$?"
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ls -la out/desktop/*.iso 2>/dev/null
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S
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chmod +x ~/projects/iso-build.sh; : > ~/projects/iso-build.log
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systemd-run --user --collect -q -u "isobuild-$(date +%s)" bash -c "~/projects/iso-build.sh > ~/projects/iso-build.log 2>&1"
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systemd-run --user -q --setenv=XDG_CURRENT_DESKTOP=KDE konsole --separate --hold -e bash -c "tail -n 50 -F ~/projects/iso-build.log"
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REMOTE
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} | vm_ssh bash -s
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echo "Building in the VM (its Konsole shows the log)..."
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until vm_ssh 'grep -q "^== BUILD EXIT" ~/projects/iso-build.log'; do sleep 30; done
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iso="$(vm_ssh "bash -c 'ls -t ~/projects/steammachine-cachyos-live-iso/out/desktop/*.iso 2>/dev/null | head -1'")"
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[[ -n "$iso" ]] || { echo "No ISO was built; see ~/projects/iso-build.log in the VM." >&2; exit 1; }
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vm_scp "$VM_USER@$VM_HOST:$iso" "$out/"
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echo "ISO: $out/$(basename "$iso") (cache: $VM_DIR/iso-cache)"
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@@ -9,6 +9,7 @@
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# VM_LOG (QEMU output, default $VM_DIR/vm.log).
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set -euo pipefail
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. "$(dirname "$0")/common.sh"
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repo_dir="$(cd "$(dirname "$0")/.." && pwd)"
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SNAPSHOT="${SNAPSHOT:-ssh-ready}"
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VM_LOG="${VM_LOG:-$VM_DIR/vm.log}"
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@@ -21,6 +22,8 @@ fi
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echo "Restoring snapshot '$SNAPSHOT' in $VM_DIR..."
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cd "$VM_DIR"
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# Always this repo's run.sh: a copy in $VM_DIR falls behind (VM_CACHE, ...).
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cp "$repo_dir/run.sh" run.sh
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qemu-img snapshot -a "$SNAPSHOT" disk.qcow2
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cp "vars.$SNAPSHOT.fd" vars.fd
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