feat: improve scripts setup (lint, format, refactor)

This commit is contained in:
2026-03-21 17:38:19 +01:00
parent 7fcd8b2ec8
commit d8ab6207d5
7 changed files with 310 additions and 202 deletions

View File

@@ -1,87 +1,156 @@
#!/usr/bin/env bash
set -euo pipefail
SSH_PORT=2222
MEMORY=8G
CPUS=4
MOUNTS=()
CLAUDE=false
setup_colors() {
if [ -t 2 ]; then
red=$'\033[31m'
yellow=$'\033[33m'
cyan=$'\033[36m'
reset=$'\033[0m'
else
red="" yellow="" cyan="" reset=""
fi
}
die() {
echo "${red}error:${reset} $*" >&2
exit 1
}
warn() {
echo "${yellow}warning:${reset} $*" >&2
}
info() {
echo "${cyan}$*${reset}" >&2
}
# globals for cleanup trap
CLEANUP_OVERLAY=""
cleanup() {
[ -n "$CLEANUP_OVERLAY" ] && rm -rf "$CLEANUP_OVERLAY"
return 0
}
trap cleanup EXIT
usage() {
cat <<EOF
cat <<EOF
Usage: ephvm-run.sh [options]
Options:
--mount <path> Mount host directory into VM (repeatable)
--claude Mount claude config dir (requires CLAUDE_CONFIG_DIR)
--disk-size <size> Resize guest disk (e.g. 50G)
--memory <size> VM memory (default: 8G)
--cpus <n> VM CPUs (default: 4)
--ssh-port <port> SSH port forward (default: 2222)
-h, --help Show usage
EOF
exit 1
exit "${1:-0}"
}
while [ $# -gt 0 ]; do
case "$1" in
--mount) MOUNTS+=("$2"); shift 2 ;;
--claude) CLAUDE=true; shift ;;
--memory) MEMORY="$2"; shift 2 ;;
--cpus) CPUS="$2"; shift 2 ;;
--ssh-port) SSH_PORT="$2"; shift 2 ;;
-h|--help) usage ;;
*) echo "unknown option: $1"; usage ;;
esac
done
main() {
setup_colors
echo "building ephvm image..."
IMAGE_DIR=$(nix build --no-link --print-out-paths .#nixosConfigurations.ephvm.config.system.build.images.qemu)
IMAGE=$(find "$IMAGE_DIR" -name '*.qcow2' -print -quit)
local ssh_port=2222 memory=8G cpus=4 claude=false disk_size=""
local -a mounts=()
if [ -z "$IMAGE" ]; then
echo "error: no qcow2 image found in $IMAGE_DIR"
exit 1
fi
while [ $# -gt 0 ]; do
case "$1" in
--mount)
mounts+=("$2")
shift 2
;;
--claude)
claude=true
shift
;;
--disk-size)
disk_size="$2"
shift 2
;;
--memory)
memory="$2"
shift 2
;;
--cpus)
cpus="$2"
shift 2
;;
--ssh-port)
ssh_port="$2"
shift 2
;;
-h | --help) usage ;;
*)
echo "${red}error:${reset} unknown option: $1" >&2
usage 1
;;
esac
done
ACCEL="tcg"
[ -r /dev/kvm ] && ACCEL="kvm"
info "building ephvm image..."
local image_dir image
image_dir=$(nix build --no-link --print-out-paths .#nixosConfigurations.ephvm.config.system.build.images.qemu)
image=$(find "$image_dir" -name '*.qcow2' -print -quit)
[ -n "$image" ] || die "no qcow2 image found in $image_dir"
QEMU_ARGS=(
qemu-system-x86_64
-accel "$ACCEL"
-m "$MEMORY"
-smp "$CPUS"
-drive "file=$IMAGE,format=qcow2,snapshot=on"
-nic "user,hostfwd=tcp::${SSH_PORT}-:22"
-nographic
)
# create resized overlay when --disk-size is given
local drive_arg
if [ -n "$disk_size" ]; then
CLEANUP_OVERLAY=$(mktemp -d)
local overlay="$CLEANUP_OVERLAY/overlay.qcow2"
qemu-img create -f qcow2 -b "$(realpath "$image")" -F qcow2 "$overlay" "$disk_size"
drive_arg="file=$overlay,format=qcow2"
else
drive_arg="file=$image,format=qcow2,snapshot=on"
fi
if [ "$ACCEL" != "tcg" ]; then
QEMU_ARGS+=(-cpu host)
fi
local accel="tcg"
[ -r /dev/kvm ] && accel="kvm"
FS_ID=0
for mount_path in "${MOUNTS[@]}"; do
mount_path=$(realpath "$mount_path")
name=$(basename "$mount_path")
tag="m_${name:0:29}"
QEMU_ARGS+=(
-virtfs "local,path=$mount_path,mount_tag=$tag,security_model=none,id=fs${FS_ID}"
)
FS_ID=$((FS_ID + 1))
done
local -a qemu_args=(
qemu-system-x86_64
-accel "$accel"
-m "$memory"
-smp "$cpus"
-drive "$drive_arg"
-nic "user,hostfwd=tcp::${ssh_port}-:22"
-nographic
)
if [ "$CLAUDE" = true ]; then
if [ -z "${CLAUDE_CONFIG_DIR:-}" ]; then
echo "error: --claude requires CLAUDE_CONFIG_DIR to be set"
exit 1
fi
mkdir -p "$CLAUDE_CONFIG_DIR"
claude_dir=$(realpath "$CLAUDE_CONFIG_DIR")
if [ "$accel" != "tcg" ]; then
qemu_args+=(-cpu host)
fi
QEMU_ARGS+=(
-virtfs "local,path=$claude_dir,mount_tag=claude,security_model=none,id=fs${FS_ID}"
)
FS_ID=$((FS_ID + 1))
fi
local fs_id=0 mount_path name tag
for mount_path in "${mounts[@]}"; do
mount_path=$(realpath "$mount_path")
name=$(basename "$mount_path")
tag="m_${name:0:29}"
qemu_args+=(
-virtfs "local,path=$mount_path,mount_tag=$tag,security_model=none,id=fs${fs_id}"
)
fs_id=$((fs_id + 1))
done
exec "${QEMU_ARGS[@]}"
if [ "$claude" = true ]; then
[ -n "${CLAUDE_CONFIG_DIR:-}" ] || die "--claude requires CLAUDE_CONFIG_DIR to be set"
mkdir -p "$CLAUDE_CONFIG_DIR"
local claude_dir
claude_dir=$(realpath "$CLAUDE_CONFIG_DIR")
qemu_args+=(
-virtfs "local,path=$claude_dir,mount_tag=claude,security_model=none,id=fs${fs_id}"
)
fs_id=$((fs_id + 1))
fi
info "---"
info "Accel: $accel | SSH: ssh -p $ssh_port matej@localhost"
info "---"
exec "${qemu_args[@]}"
}
main "$@"