@@ -1,7 +1,8 @@
11use crate::session_manager::{GLOBAL_CACHE_DIR_NAME, INSTANCE_DIR_NAME};
2−use anyhow::{Context, Error, Result, bail};
32use std::{
4− env, fs,
3+ env,
4+ ffi::OsString,
5+ fs,
56 io::{self, Write},
67 os::{
78 fd::RawFd,
@@ -23,8 +24,8 @@ use std::{
2324};
2425
2526use block2::RcBlock;
26−use bytesize::ByteSize;
2727use dispatch2::DispatchQueue;
28+use lexopt::prelude::*;
2829use objc2::{AnyThread, rc::Retained, runtime::ProtocolObject};
2930use objc2_foundation::*;
3031use objc2_virtualization::*;
@@ -33,46 +34,43 @@ const DEBIAN_COMPRESSED_DISK_URL: &str = "https://cloud.debian.org/images/cloud/
3334const DEBIAN_COMPRESSED_SHA: &str = "6ab9be9e6834adc975268367f2f0235251671184345c34ee13031749fdfbf66fe4c3aafd949a2d98550426090e9ac645e79009c51eb0eefc984c15786570bb38";
3435const DEBIAN_COMPRESSED_SIZE_BYTES: u64 = 280901576;
3536const SHARED_DIRECTORIES_TAG: &str = "shared";
36−pub const PROJECT_GUEST_BASE: &str = "/usr/local/vibebox-mounts";
3737
38+const BYTES_PER_MB: u64 = 1024 * 1024;
39+const DEFAULT_CPU_COUNT: usize = 2;
40+const DEFAULT_RAM_MB: u64 = 2048;
41+const DEFAULT_RAM_BYTES: u64 = DEFAULT_RAM_MB * BYTES_PER_MB;
3842const START_TIMEOUT: Duration = Duration::from_secs(60);
43+const DEFAULT_EXPECT_TIMEOUT: Duration = Duration::from_secs(30);
3944const LOGIN_EXPECT_TIMEOUT: Duration = Duration::from_secs(120);
40−const PROVISION_EXPECT_TIMEOUT: Duration = Duration::from_secs(900);
41−
42−const ERROR_REPORT_SCRIPT: &str = include_str!("error_report.sh");
4345const PROVISION_SCRIPT: &str = include_str!("provision.sh");
44−const RESIZE_DISK_SCRIPT: &str = include_str!("resize_disk.sh");
46+const PROVISION_SCRIPT_NAME: &str = "provision.sh";
4547const DEFAULT_RAW_NAME: &str = "default.raw";
4648const INSTANCE_RAW_NAME: &str = "instance.raw";
4749const BASE_DISK_RAW_NAME: &str = "disk.raw";
4850
4951#[derive(Clone)]
50−pub enum LoginAction {
51− Expect {
52− text: String,
53− timeout: Duration,
54− },
55− ExpectEither {
56− success: String,
57− failure: String,
58− timeout: Duration,
59− },
52+pub(crate) enum LoginAction {
53+ Expect { text: String, timeout: Duration },
6054 Send(String),
55+ Script { path: PathBuf, index: usize },
6156}
62−use crate::config::BoxConfig;
6357use LoginAction::*;
6458
6559#[derive(Clone)]
66−pub struct DirectoryShare {
60+pub(crate) struct DirectoryShare {
6761 host: PathBuf,
6862 guest: PathBuf,
6963 read_only: bool,
7064}
7165
7266impl DirectoryShare {
73− pub fn new(host: PathBuf, mut guest: PathBuf, read_only: bool) -> Result<Self> {
67+ pub(crate) fn new(
68+ host: PathBuf,
69+ mut guest: PathBuf,
70+ read_only: bool,
71+ ) -> Result<Self, Box<dyn std::error::Error>> {
7472 if !host.exists() {
75− bail!(format!("host path does not exist: {}", host.display()));
73+ return Err(format!("Host path does not exist: {}", host.display()).into());
7674 }
7775 if !guest.is_absolute() {
7876 guest = PathBuf::from("/root").join(guest);
@@ -84,22 +82,23 @@ impl DirectoryShare {
8482 })
8583 }
8684
87− pub fn from_mount_spec(spec: &str) -> Result<Self> {
85+ pub(crate) fn from_mount_spec(spec: &str) -> Result<Self, Box<dyn std::error::Error>> {
8886 let parts: Vec<&str> = spec.split(':').collect();
8987 if parts.len() < 2 || parts.len() > 3 {
90− bail!(format!("invalid mount spec: {spec}"));
88+ return Err(format!("Invalid mount spec: {spec}").into());
9189 }
92− let host = expand_tilde_path(parts[0]);
90+ let host = PathBuf::from(parts[0]);
9391 let guest = PathBuf::from(parts[1]);
9492 let read_only = if parts.len() == 3 {
9593 match parts[2] {
9694 "read-only" => true,
9795 "read-write" => false,
9896 _ => {
99− bail!(format!(
97+ return Err(format!(
10098 "Invalid mount mode '{}'; expected read-only or read-write",
10199 parts[2]
102− ));
100+ )
101+ .into());
103102 }
104103 }
105104 } else {
@@ -122,49 +121,19 @@ impl DirectoryShare {
122121 }
123122}
124123
125−fn expand_tilde_path(value: &str) -> PathBuf {
126− if let Some(stripped) = value.strip_prefix("~/") {
127− if let Ok(home) = env::var("HOME") {
128− return PathBuf::from(home).join(stripped);
129− }
130− } else if value == "~"
131− && let Ok(home) = env::var("HOME")
132− {
133− return PathBuf::from(home);
134− }
135− PathBuf::from(value)
136−}
137−
138−pub struct VmArg {
139− pub cpu_count: usize,
140− pub ram_bytes: u64,
141− pub disk_bytes: u64,
142− pub no_default_mounts: bool,
143− pub mounts: Vec<String>,
144−}
145−
146−type StatusEmitter<'a> = dyn Fn(&str) + std::marker::Send + Sync + 'a;
147−
148−fn emit_status(status: Option<&StatusEmitter<'_>>, message: &str) {
149− if let Some(status) = status {
150− status(message);
151− }
152−}
153−
154−pub fn run_with_args<F>(args: VmArg, io_handler: F) -> Result<()>
124+pub fn run_with_args<F>(args: CliArgs, io_handler: F) -> Result<(), Box<dyn std::error::Error>>
155125where
156126 F: FnOnce(Arc<OutputMonitor>, OwnedFd, OwnedFd) -> IoContext,
157127{
158− run_with_args_and_extras(args, io_handler, Vec::new(), Vec::new(), None)
128+ run_with_args_and_extras(args, io_handler, Vec::new(), Vec::new())
159129}
160130
161−pub fn run_with_args_and_extras<F>(
162− args: VmArg,
131+pub(crate) fn run_with_args_and_extras<F>(
132+ args: CliArgs,
163133 io_handler: F,
164134 extra_login_actions: Vec<LoginAction>,
165135 extra_directory_shares: Vec<DirectoryShare>,
166− status: Option<&StatusEmitter<'_>>,
167−) -> Result<()>
136+) -> Result<(), Box<dyn std::error::Error>>
168137where
169138 F: FnOnce(Arc<OutputMonitor>, OwnedFd, OwnedFd) -> IoContext,
170139{
@@ -173,7 +142,7 @@ where
173142 let project_root = env::current_dir()?;
174143 let project_name = project_root
175144 .file_name()
176− .with_context(|| "Project directory has no name")?
145+ .ok_or("Project directory has no name")?
177146 .to_string_lossy()
178147 .into_owned();
179148
@@ -185,10 +154,6 @@ where
185154 let guest_mise_cache = cache_dir.join(".guest-mise-cache");
186155
187156 let instance_dir = project_root.join(INSTANCE_DIR_NAME);
188− fs::create_dir_all(&instance_dir)?;
189− emit_status(status, "preparing VM image...");
190− tracing::info!("preparing VM image...");
191− let provision_log = instance_dir.join("provision.log");
192157
193158 let basename_compressed = DEBIAN_COMPRESSED_DISK_URL.rsplit('/').next().unwrap();
194159 let base_compressed = cache_dir.join(basename_compressed);
@@ -207,31 +172,28 @@ where
207172 let mise_directory_share =
208173 DirectoryShare::new(guest_mise_cache, "/root/.local/share/mise".into(), false)?;
209174
210− ensure_default_image(
211− &base_raw,
212− &base_compressed,
213− &default_raw,
214− std::slice::from_ref(&mise_directory_share),
215− Some(&provision_log),
216− status,
217− )?;
218− let _ = ensure_instance_disk(
219− &instance_raw,
220− &default_raw,
221− ByteSize(args.disk_bytes),
222− status,
223− )?;
224− let base_size = fs::metadata(&default_raw)?.len();
225− let instance_size = fs::metadata(&instance_raw)?.len();
226− let needs_resize = instance_size > base_size;
227− let disk_path = instance_raw;
175+ let disk_path = if let Some(path) = args.disk {
176+ if !path.exists() {
177+ return Err(format!("Disk image does not exist: {}", path.display()).into());
178+ }
179+ path
180+ } else {
181+ ensure_default_image(
182+ &base_raw,
183+ &base_compressed,
184+ &default_raw,
185+ std::slice::from_ref(&mise_directory_share),
186+ )?;
187+ ensure_instance_disk(&instance_raw, &default_raw)?;
188+
189+ instance_raw
190+ };
228191
229192 let mut login_actions = Vec::new();
230193 let mut directory_shares = Vec::new();
231194
232195 if !args.no_default_mounts {
233− let project_guest_dir = PathBuf::from(PROJECT_GUEST_BASE).join(project_name);
234− login_actions.push(Send(format!("cd {}", project_guest_dir.display())));
196+ login_actions.push(Send(format!("cd {project_name}")));
235197
236198 // discourage read/write of .git folder from within the VM. note that this isn't secure, since the VM runs as root and could unmount this.
237199 // I couldn't find an alternative way to do this --- the MacOS sandbox doesn't apply to the Apple Virtualization system
@@ -239,7 +201,27 @@ where
239201 login_actions.push(Send(r"mount -t tmpfs tmpfs .git/".into()));
240202 }
241203
204+ directory_shares.push(
205+ DirectoryShare::new(
206+ project_root,
207+ PathBuf::from("/root/").join(project_name),
208+ false,
209+ )
210+ .expect("Project directory must exist"),
211+ );
212+
242213 directory_shares.push(mise_directory_share);
214+
215+ // Add default shares, if they exist
216+ for share in [
217+ DirectoryShare::new(home.join(".codex"), "/usr/local/codex".into(), false),
218+ DirectoryShare::new(home.join(".claude"), "/usr/local/claude".into(), false),
219+ ]
220+ .into_iter()
221+ .flatten()
222+ {
223+ directory_shares.push(share)
224+ }
243225 }
244226
245227 directory_shares.extend(extra_directory_shares);
@@ -248,46 +230,199 @@ where
248230 directory_shares.push(DirectoryShare::from_mount_spec(spec)?);
249231 }
250232
251− if needs_resize {
252− let resize_cmd = script_command_from_content("resize_disk.sh", RESIZE_DISK_SCRIPT)?;
253− login_actions.push(Send(resize_cmd));
254− }
255−
256233 if let Some(motd_action) = motd_login_action(&directory_shares) {
257234 login_actions.push(motd_action);
258235 }
259236
260237 login_actions.extend(extra_login_actions);
261238
239+ // Any user-provided login actions must come after our system ones
240+ login_actions.extend(args.login_actions);
241+
262242 run_vm_with_io(
263243 &disk_path,
264244 &login_actions,
265245 &directory_shares[..],
266246 args.cpu_count,
267247 args.ram_bytes,
268− status,
269248 io_handler,
270249 )
271250}
272251
273−pub fn script_command_from_content(label: &str, script: &str) -> Result<String> {
252+pub fn print_help() {
253+ println!(
254+ "Vibe is a quick way to spin up a Linux virtual machine on Mac to sandbox LLM agents.
255+
256+vibe [OPTIONS] [disk-image.raw]
257+
258+Options
259+
260+ --help Print this help message.
261+ --version Print the version (commit SHA).
262+ --no-default-mounts Disable all default mounts.
263+ --mount host-path:guest-path[:read-only | :read-write] Mount `host-path` inside VM at `guest-path`.
264+ Defaults to read-write.
265+ Errors if host-path does not exist.
266+ --cpus <count> Number of virtual CPUs (default {DEFAULT_CPU_COUNT}).
267+ --ram <megabytes> RAM size in megabytes (default {DEFAULT_RAM_MB}).
268+ --script <path/to/script.sh> Run script in VM.
269+ --send <some-command> Type `some-command` followed by newline into the VM.
270+ --expect <string> [timeout-seconds] Wait for `string` to appear in console output before executing next `--script` or `--send`.
271+ If `string` does not appear within timeout (default 30 seconds), shutdown VM with error.
272+"
273+ );
274+}
275+
276+pub fn print_version() {
277+ println!("Vibe");
278+ println!("https://github.com/lynaghk/vibe/");
279+ println!("Git SHA: {}", env!("GIT_SHA"));
280+}
281+
282+pub struct CliArgs {
283+ disk: Option<PathBuf>,
284+ version: bool,
285+ help: bool,
286+ no_default_mounts: bool,
287+ mounts: Vec<String>,
288+ login_actions: Vec<LoginAction>,
289+ cpu_count: usize,
290+ ram_bytes: u64,
291+}
292+
293+impl CliArgs {
294+ pub fn version(&self) -> bool {
295+ self.version
296+ }
297+
298+ pub fn help(&self) -> bool {
299+ self.help
300+ }
301+
302+ pub fn cpu_count(&self) -> usize {
303+ self.cpu_count
304+ }
305+
306+ pub fn ram_bytes(&self) -> u64 {
307+ self.ram_bytes
308+ }
309+
310+ pub fn ram_mb(&self) -> u64 {
311+ self.ram_bytes / BYTES_PER_MB
312+ }
313+}
314+
315+pub fn parse_cli() -> Result<CliArgs, Box<dyn std::error::Error>> {
316+ parse_cli_from(env::args_os())
317+}
318+
319+pub fn parse_cli_from<I>(args: I) -> Result<CliArgs, Box<dyn std::error::Error>>
320+where
321+ I: IntoIterator<Item = OsString>,
322+{
323+ fn os_to_string(value: OsString, flag: &str) -> Result<String, Box<dyn std::error::Error>> {
324+ value
325+ .into_string()
326+ .map_err(|_| format!("{flag} expects valid UTF-8").into())
327+ }
328+
329+ let mut parser = lexopt::Parser::from_iter(args);
330+ let mut disk = None;
331+ let mut version = false;
332+ let mut help = false;
333+ let mut no_default_mounts = false;
334+ let mut mounts = Vec::new();
335+ let mut login_actions = Vec::new();
336+ let mut script_index = 0;
337+ let mut cpu_count = DEFAULT_CPU_COUNT;
338+ let mut ram_bytes = DEFAULT_RAM_BYTES;
339+
340+ while let Some(arg) = parser.next()? {
341+ match arg {
342+ Long("version") => version = true,
343+ Long("help") | Short('h') => help = true,
344+ Long("no-default-mounts") => no_default_mounts = true,
345+ Long("cpus") => {
346+ let value = os_to_string(parser.value()?, "--cpus")?.parse()?;
347+ if value == 0 {
348+ return Err("--cpus must be >= 1".into());
349+ }
350+ cpu_count = value;
351+ }
352+ Long("ram") => {
353+ let value: u64 = os_to_string(parser.value()?, "--ram")?.parse()?;
354+ if value == 0 {
355+ return Err("--ram must be >= 1".into());
356+ }
357+ ram_bytes = value * BYTES_PER_MB;
358+ }
359+ Long("mount") => {
360+ mounts.push(os_to_string(parser.value()?, "--mount")?);
361+ }
362+ Long("script") => {
363+ login_actions.push(Script {
364+ path: os_to_string(parser.value()?, "--script")?.into(),
365+ index: script_index,
366+ });
367+ script_index += 1;
368+ }
369+ Long("send") => {
370+ login_actions.push(Send(os_to_string(parser.value()?, "--send")?));
371+ }
372+ Long("expect") => {
373+ let text = os_to_string(parser.value()?, "--expect")?;
374+ let timeout = match parser.optional_value() {
375+ Some(value) => Duration::from_secs(os_to_string(value, "--expect")?.parse()?),
376+ None => DEFAULT_EXPECT_TIMEOUT,
377+ };
378+ login_actions.push(Expect { text, timeout });
379+ }
380+ Value(value) => {
381+ if disk.is_some() {
382+ return Err("Only one disk path may be provided".into());
383+ }
384+ disk = Some(PathBuf::from(value));
385+ }
386+ _ => return Err(arg.unexpected().into()),
387+ }
388+ }
389+
390+ Ok(CliArgs {
391+ disk,
392+ version,
393+ help,
394+ no_default_mounts,
395+ mounts,
396+ login_actions,
397+ cpu_count,
398+ ram_bytes,
399+ })
400+}
401+
402+fn script_command_from_path(
403+ path: &Path,
404+ index: usize,
405+) -> Result<String, Box<dyn std::error::Error>> {
406+ let script = fs::read_to_string(path)
407+ .map_err(|err| format!("Failed to read script {}: {err}", path.display()))?;
408+ let label = format!("{}_{}", index, path.file_name().unwrap().display());
409+ script_command_from_content(&label, &script)
410+}
411+
412+pub(crate) fn script_command_from_content(
413+ label: &str,
414+ script: &str,
415+) -> Result<String, Box<dyn std::error::Error>> {
274416 let marker = "VIBE_SCRIPT_EOF";
275417 let guest_dir = "/tmp/vibe-scripts";
276418 let guest_path = format!("{guest_dir}/{label}.sh");
277− let script_body = match script.split_once('\n') {
278− Some((first, rest)) if first.starts_with("#!") => rest,
279− _ => script,
280− };
281− let wrapped_script = ERROR_REPORT_SCRIPT
282− .replace("__LABEL__", label)
283− .replace("__SCRIPT_BODY__", script_body);
284419 let command = format!(
285− "mkdir -p {guest_dir}\ncat >{guest_path} <<'{marker}'\n{wrapped_script}\n{marker}\nchmod +x {guest_path}\n{guest_path}"
420+ "mkdir -p {guest_dir}\ncat >{guest_path} <<'{marker}'\n{script}\n{marker}\nchmod +x {guest_path}\n{guest_path}"
286421 );
287422 if script.contains(marker) {
288− bail!(format!(
289− "Script '{label}' contains marker '{marker}', cannot safely upload"
290− ));
423+ return Err(
424+ format!("Script '{label}' contains marker '{marker}', cannot safely upload").into(),
425+ );
291426 }
292427 Ok(command)
293428}
@@ -351,12 +486,6 @@ enum WaitResult {
351486 Found,
352487}
353488
354−#[derive(PartialEq, Eq)]
355−enum WaitAnyResult {
356− Timeout,
357− Found(usize),
358−}
359−
360489pub enum VmInput {
361490 Bytes(Vec<u8>),
362491 Shutdown,
@@ -364,7 +493,6 @@ pub enum VmInput {
364493
365494enum VmOutput {
366495 LoginActionTimeout { action: String, timeout: Duration },
367− LoginActionFailed { action: String, reason: String },
368496}
369497
370498#[derive(Default)]
@@ -401,41 +529,6 @@ impl OutputMonitor {
401529 WaitResult::Found
402530 }
403531 }
404−
405− fn wait_for_any(&self, needles: &[&str], timeout: Duration) -> WaitAnyResult {
406− let mut found: Option<usize> = None;
407− let (_unused, timeout_result) = self
408− .condvar
409− .wait_timeout_while(self.buffer.lock().unwrap(), timeout, |buf| {
410− if let Some((pos, idx, len)) = find_any(buf, needles) {
411− *buf = buf[(pos + len)..].to_string();
412− found = Some(idx);
413− false
414− } else {
415− true
416− }
417− })
418− .unwrap();
419−
420− if timeout_result.timed_out() {
421− WaitAnyResult::Timeout
422− } else {
423− WaitAnyResult::Found(found.unwrap_or(0))
424− }
425− }
426−}
427−
428−fn find_any(buf: &str, needles: &[&str]) -> Option<(usize, usize, usize)> {
429− let mut best: Option<(usize, usize, usize)> = None; // (pos, idx, len)
430− for (idx, needle) in needles.iter().enumerate() {
431− if let Some(pos) = buf.find(needle) {
432− let candidate = (pos, idx, needle.len());
433− if best.is_none_or(|b| candidate.0 < b.0) {
434− best = Some(candidate);
435− }
436− }
437− }
438− best
439532}
440533
441534#[derive(Debug)]
@@ -484,17 +577,15 @@ impl IoControl {
484577fn ensure_base_image(
485578 base_raw: &Path,
486579 base_compressed: &Path,
487− status: Option<&StatusEmitter<'_>>,
488−) -> Result<()> {
580+) -> Result<(), Box<dyn std::error::Error>> {
489581 if base_raw.exists() {
490582 return Ok(());
491583 }
492584
493585 if !base_compressed.exists()
494− || fs::metadata(base_compressed).map(|m| m.len())? < DEBIAN_COMPRESSED_SIZE_BYTES
586+ || std::fs::metadata(base_compressed).map(|m| m.len())? < DEBIAN_COMPRESSED_SIZE_BYTES
495587 {
496− emit_status(status, "downloading base image...");
497− tracing::info!("downloading base image");
588+ println!("Downloading base image...");
498589 let status = Command::new("curl")
499590 .args([
500591 "--continue-at",
@@ -508,14 +599,12 @@ fn ensure_base_image(
508599 ])
509600 .status()?;
510601 if !status.success() {
511− bail!("failed to download base image");
602+ return Err("Failed to download base image".into());
512603 }
513604 }
514605
515606 // Check SHA
516607 {
517− emit_status(status, "verifying base image...");
518− tracing::info!("verifying base image...");
519608 let input = format!("{} {}\n", DEBIAN_COMPRESSED_SHA, base_compressed.display());
520609
521610 let mut child = Command::new("/usr/bin/shasum")
@@ -533,25 +622,22 @@ fn ensure_base_image(
533622
534623 let status = child.wait().expect("failed to wait on child");
535624 if !status.success() {
536− bail!(format!(
537− "SHA validation failed for {DEBIAN_COMPRESSED_DISK_URL}"
538− ));
625+ return Err(format!("SHA validation failed for {DEBIAN_COMPRESSED_DISK_URL}").into());
539626 }
540627 }
541628
542− emit_status(status, "decompressing base image...");
543− tracing::info!("decompressing base image...");
629+ println!("Decompressing base image...");
544630 let status = Command::new("tar")
545631 .args([
546632 "-xOf",
547633 &base_compressed.to_string_lossy(),
548634 BASE_DISK_RAW_NAME,
549635 ])
550− .stdout(fs::File::create(base_raw)?)
636+ .stdout(std::fs::File::create(base_raw)?)
551637 .status()?;
552638
553639 if !status.success() {
554− bail!("Failed to decompress base image");
640+ return Err("Failed to decompress base image".into());
555641 }
556642
557643 Ok(())
@@ -562,56 +648,24 @@ fn ensure_default_image(
562648 base_compressed: &Path,
563649 default_raw: &Path,
564650 directory_shares: &[DirectoryShare],
565− provision_log: Option<&Path>,
566− status: Option<&StatusEmitter<'_>>,
567−) -> Result<()> {
651+) -> Result<(), Box<dyn std::error::Error>> {
568652 if default_raw.exists() {
569653 return Ok(());
570654 }
571655
572− ensure_base_image(base_raw, base_compressed, status)?;
656+ ensure_base_image(base_raw, base_compressed)?;
573657
574− emit_status(status, "configuring base image...");
575− tracing::info!("configuring base image...");
658+ println!("Configuring base image...");
576659 fs::copy(base_raw, default_raw)?;
577660
578− let provision_command = script_command_from_content("provision.sh", PROVISION_SCRIPT)?;
579− let provision_actions = [
580− Send(provision_command),
581− ExpectEither {
582− success: "VIBEBOX_PROVISION_OK".to_string(),
583− failure: "VIBEBOX_PROVISION_FAILED".to_string(),
584− timeout: PROVISION_EXPECT_TIMEOUT,
585− },
586− ];
587− let provision_result = if let Some(log_path) = provision_log {
588− let log_path = log_path.to_path_buf();
589− run_vm_with_io(
590− default_raw,
591− &provision_actions,
592− directory_shares,
593− BoxConfig::default().cpu_count,
594− BoxConfig::default().ram_size.as_u64(),
595− status,
596− move |output_monitor, vm_output_fd, vm_input_fd| {
597− spawn_vm_io_with_log(output_monitor, vm_output_fd, vm_input_fd, log_path)
598− },
599− )
600− } else {
601− run_vm(
602− default_raw,
603− &provision_actions,
604− directory_shares,
605− BoxConfig::default().cpu_count,
606− BoxConfig::default().ram_size.as_u64(),
607− status,
608− )
609− };
610−
611− if let Err(err) = provision_result {
612− let _ = fs::remove_file(default_raw);
613− return Err(err);
614− }
661+ let provision_command = script_command_from_content(PROVISION_SCRIPT_NAME, PROVISION_SCRIPT)?;
662+ run_vm(
663+ default_raw,
664+ &[Send(provision_command)],
665+ directory_shares,
666+ DEFAULT_CPU_COUNT,
667+ DEFAULT_RAM_BYTES,
668+ )?;
615669
616670 Ok(())
617671}
@@ -619,47 +673,15 @@ fn ensure_default_image(
619673fn ensure_instance_disk(
620674 instance_raw: &Path,
621675 template_raw: &Path,
622− target_bytes: ByteSize,
623− status: Option<&StatusEmitter<'_>>,
624−) -> Result<bool> {
676+) -> Result<(), Box<dyn std::error::Error>> {
625677 if instance_raw.exists() {
626− let current_size = ByteSize(fs::metadata(instance_raw)?.len());
627− if current_size != target_bytes {
628− let current_gb = current_size;
629− let target_gb = target_bytes;
630− tracing::warn!(
631− "instance disk size does not match config (current {}, config {}); disk_gb applies only on init. Run `vibebox reset` to recreate or set disk_gb to match; using existing disk.",
632− current_gb,
633− target_gb
634− );
635− }
636− return Ok(false);
637− }
638−
639− let template_size = ByteSize(fs::metadata(template_raw)?.len());
640− if target_bytes < template_size {
641− bail!(format!(
642− "Requested disk size {} is smaller than base image size {}",
643− target_bytes, template_size
644− ));
645− }
646− let target_size = target_bytes;
647− let needs_resize = target_size > template_size;
648−
649− emit_status(status, "creating instance disk...");
650− tracing::info!("creating instance disk...");
651− tracing::info!(path = %template_raw.display(), "creating instance disk");
652− fs::create_dir_all(instance_raw.parent().unwrap())?;
653− if target_size == template_size {
654− fs::copy(template_raw, instance_raw)?;
655− return Ok(needs_resize);
678+ return Ok(());
656679 }
657680
658− let mut dst = fs::File::create(instance_raw)?;
659− dst.set_len(target_size.as_u64())?;
660− let mut src = fs::File::open(template_raw)?;
661− std::io::copy(&mut src, &mut dst)?;
662− Ok(needs_resize)
681+ println!("Creating instance disk from {}...", template_raw.display());
682+ std::fs::create_dir_all(instance_raw.parent().unwrap())?;
683+ fs::copy(template_raw, instance_raw)?;
684+ Ok(())
663685}
664686
665687pub struct IoContext {
@@ -675,17 +697,18 @@ pub fn create_pipe() -> (OwnedFd, OwnedFd) {
675697 (read_stream.into(), write_stream.into())
676698}
677699
678−pub fn spawn_vm_io_with_hooks<
679− F: FnMut(&str) -> bool + std::marker::Send + 'static,
680− G: FnMut(&[u8]) + std::marker::Send + 'static,
681−>(
700+pub fn spawn_vm_io_with_hooks<F, G>(
682701 output_monitor: Arc<OutputMonitor>,
683702 vm_output_fd: OwnedFd,
684703 vm_input_fd: OwnedFd,
685704 io_control: Arc<IoControl>,
686705 mut on_line: F,
687706 mut on_output: G,
688−) -> IoContext {
707+) -> IoContext
708+where
709+ F: FnMut(&str) -> bool + ::std::marker::Send + 'static,
710+ G: FnMut(&[u8]) + ::std::marker::Send + 'static,
711+{
689712 let (input_tx, input_rx): (Sender<VmInput>, Receiver<VmInput>) = mpsc::channel();
690713
691714 // raw_guard is set when we've put the user's terminal into raw mode because we've attached stdin/stdout to the VM.
@@ -833,14 +856,14 @@ pub fn spawn_vm_io_with_hooks<
833856 PollResult::Spurious => continue,
834857 PollResult::Ready(bytes) => {
835858 if io_control.forward_output() {
836− // enable raw mode if we haven't already
859+ // enable raw mode, if we haven't already
837860 if raw_guard.lock().unwrap().is_none()
838861 && let Ok(guard) = enable_raw_mode(libc::STDIN_FILENO)
839862 {
840863 *raw_guard.lock().unwrap() = Some(guard);
841864 }
842865
843− let mut stdout = io::stdout().lock();
866+ let mut stdout = std::io::stdout().lock();
844867 if stdout.write_all(bytes).is_err() {
845868 break;
846869 }
@@ -856,7 +879,7 @@ pub fn spawn_vm_io_with_hooks<
856879
857880 // Copies data from mpsc channel into VM, so vibe can "type" stuff and run scripts.
858881 let mux_thread = thread::spawn(move || {
859− let mut vm_writer = fs::File::from(vm_input_fd);
882+ let mut vm_writer = std::fs::File::from(vm_input_fd);
860883 loop {
861884 match input_rx.recv() {
862885 Ok(VmInput::Bytes(data)) => {
@@ -886,7 +909,7 @@ pub fn spawn_vm_io_with_line_handler<F>(
886909 on_line: F,
887910) -> IoContext
888911where
889− F: FnMut(&str) -> bool + std::marker::Send + 'static,
912+ F: FnMut(&str) -> bool + ::std::marker::Send + 'static,
890913{
891914 spawn_vm_io_with_hooks(
892915 output_monitor,
@@ -906,36 +929,6 @@ pub fn spawn_vm_io(
906929 spawn_vm_io_with_line_handler(output_monitor, vm_output_fd, vm_input_fd, |_| false)
907930}
908931
909−fn spawn_vm_io_with_log(
910− output_monitor: Arc<OutputMonitor>,
911− vm_output_fd: OwnedFd,
912− vm_input_fd: OwnedFd,
913− log_path: PathBuf,
914−) -> IoContext {
915− let log_file = fs::OpenOptions::new()
916− .create(true)
917− .write(true)
918− .truncate(true)
919− .open(&log_path)
920− .ok()
921− .map(|file| Arc::new(Mutex::new(file)));
922−
923− spawn_vm_io_with_hooks(
924− output_monitor,
925− vm_output_fd,
926− vm_input_fd,
927− IoControl::new(),
928− |_| false,
929− move |bytes| {
930− if let Some(log) = &log_file
931− && let Ok(mut file) = log.lock()
932− {
933− let _ = file.write_all(bytes);
934− }
935− },
936− )
937−}
938−
939932impl IoContext {
940933 pub fn shutdown(self) {
941934 let _ = self.input_tx.send(VmInput::Shutdown);
@@ -953,7 +946,7 @@ fn create_vm_configuration(
953946 vm_writes_to_fd: OwnedFd,
954947 cpu_count: usize,
955948 ram_bytes: u64,
956−) -> Result<Retained<VZVirtualMachineConfiguration>> {
949+) -> Result<Retained<VZVirtualMachineConfiguration>, Box<dyn std::error::Error>> {
957950 unsafe {
958951 let platform =
959952 VZGenericPlatformConfiguration::init(VZGenericPlatformConfiguration::alloc());
@@ -987,7 +980,7 @@ fn create_vm_configuration(
987980 false,
988981 VZDiskImageCachingMode::Automatic,
989982 VZDiskImageSynchronizationMode::Full,
990− )?;
983+ ).unwrap();
991984
992985 let disk_device = VZVirtioBlockDeviceConfiguration::initWithAttachment(
993986 VZVirtioBlockDeviceConfiguration::alloc(),
@@ -1074,7 +1067,7 @@ fn create_vm_configuration(
10741067 // Validate
10751068 config.validateWithError().map_err(|e| {
10761069 io::Error::other(format!(
1077− "invalid VM configuration: {:?}",
1070+ "Invalid VM configuration: {:?}",
10781071 e.localizedDescription()
10791072 ))
10801073 })?;
@@ -1083,9 +1076,9 @@ fn create_vm_configuration(
10831076 }
10841077}
10851078
1086−fn load_efi_variable_store() -> Result<Retained<VZEFIVariableStore>> {
1079+fn load_efi_variable_store() -> Result<Retained<VZEFIVariableStore>, Box<dyn std::error::Error>> {
10871080 unsafe {
1088− let temp_dir = env::temp_dir();
1081+ let temp_dir = std::env::temp_dir();
10891082 let temp_path = temp_dir.join(format!("efi_variable_store_{}.efivars", std::process::id()));
10901083 let url = nsurl_from_path(&temp_path)?;
10911084 let options = VZEFIVariableStoreInitializationOptions::AllowOverwrite;
@@ -1101,8 +1094,8 @@ fn load_efi_variable_store() -> Result<Retained<VZEFIVariableStore>> {
11011094fn spawn_login_actions_thread(
11021095 login_actions: Vec<LoginAction>,
11031096 output_monitor: Arc<OutputMonitor>,
1104− input_tx: Sender<VmInput>,
1105− vm_output_tx: Sender<VmOutput>,
1097+ input_tx: mpsc::Sender<VmInput>,
1098+ vm_output_tx: mpsc::Sender<VmOutput>,
11061099) -> thread::JoinHandle<()> {
11071100 thread::spawn(move || {
11081101 for a in login_actions {
@@ -1116,31 +1109,22 @@ fn spawn_login_actions_thread(
11161109 return;
11171110 }
11181111 }
1119− ExpectEither {
1120− success,
1121− failure,
1122− timeout,
1123− } => match output_monitor.wait_for_any(&[&success, &failure], timeout) {
1124− WaitAnyResult::Found(0) => {}
1125− WaitAnyResult::Found(_) => {
1126− let _ = vm_output_tx.send(VmOutput::LoginActionFailed {
1127− action: format!("expect '{}'", success),
1128− reason: format!("saw failure marker '{}'", failure),
1129− });
1130− return;
1131− }
1132− WaitAnyResult::Timeout => {
1133− let _ = vm_output_tx.send(VmOutput::LoginActionTimeout {
1134− action: format!("expect '{}'", success),
1135− timeout,
1136− });
1137− return;
1138− }
1139− },
11401112 Send(mut text) => {
11411113 text.push('\n'); // Type the newline so the command is actually submitted.
11421114 input_tx.send(VmInput::Bytes(text.into_bytes())).unwrap();
11431115 }
1116+ Script { path, index } => {
1117+ let command = match script_command_from_path(&path, index) {
1118+ Ok(command) => command,
1119+ Err(err) => {
1120+ eprintln!("{err}");
1121+ return;
1122+ }
1123+ };
1124+ let mut text = command;
1125+ text.push('\n');
1126+ input_tx.send(VmInput::Bytes(text.into_bytes())).unwrap();
1127+ }
11441128 }
11451129 }
11461130 })
@@ -1152,9 +1136,8 @@ fn run_vm_with_io<F>(
11521136 directory_shares: &[DirectoryShare],
11531137 cpu_count: usize,
11541138 ram_bytes: u64,
1155− status: Option<&StatusEmitter<'_>>,
11561139 io_handler: F,
1157−) -> Result<()>
1140+) -> Result<(), Box<dyn std::error::Error>>
11581141where
11591142 F: FnOnce(Arc<OutputMonitor>, OwnedFd, OwnedFd) -> IoContext,
11601143{
@@ -1201,23 +1184,21 @@ where
12011184
12021185 match rx.try_recv() {
12031186 Ok(result) => {
1204− result.map_err(|e| Error::msg(format!("Failed to start VM: {}", e)))?;
1187+ result.map_err(|e| format!("Failed to start VM: {}", e))?;
12051188 break;
12061189 }
12071190 Err(mpsc::TryRecvError::Empty) => continue,
12081191 Err(mpsc::TryRecvError::Disconnected) => {
1209− bail!("VM start channel disconnected");
1192+ return Err("VM start channel disconnected".into());
12101193 }
12111194 }
12121195 }
12131196
12141197 if Instant::now() >= start_deadline {
1215− bail!("Timed out waiting for VM to start");
1198+ return Err("Timed out waiting for VM to start".into());
12161199 }
12171200
1218− emit_status(status, "vm booting... go vibecoder!");
1219− tracing::info!("vm booting... go vibecoder!");
1220− tracing::info!("vm booting");
1201+ println!("VM booting...");
12211202
12221203 let output_monitor = Arc::new(OutputMonitor::default());
12231204 let io_ctx = io_handler(output_monitor.clone(), we_read_from, we_write_to);
@@ -1262,7 +1243,7 @@ where
12621243 );
12631244
12641245 let mut last_state = None;
1265− let mut exit_result: Result<(), String> = Ok(());
1246+ let mut exit_result = Ok(());
12661247 loop {
12671248 unsafe {
12681249 NSRunLoop::mainRunLoop().runMode_beforeDate(
@@ -1281,28 +1262,12 @@ where
12811262 exit_result = Err(format!(
12821263 "Login action ({}) timed out after {:?}; shutting down.",
12831264 action, timeout
1284− ));
1285− unsafe {
1286− if vm.canRequestStop() {
1287− if let Err(err) = vm.requestStopWithError() {
1288− tracing::error!(error = ?err, "failed to request VM stop");
1289− }
1290− } else if vm.canStop() {
1291− let handler = RcBlock::new(|_error: *mut NSError| {});
1292− vm.stopWithCompletionHandler(&handler);
1293− }
1294− }
1295− break;
1296− }
1297− Ok(VmOutput::LoginActionFailed { action, reason }) => {
1298− exit_result = Err(format!(
1299− "Login action ({}) failed: {}; shutting down.",
1300− action, reason
1301− ));
1265+ )
1266+ .into());
13021267 unsafe {
13031268 if vm.canRequestStop() {
13041269 if let Err(err) = vm.requestStopWithError() {
1305− tracing::error!(error = ?err, "failed to request VM stop");
1270+ eprintln!("Failed to request VM stop: {:?}", err);
13061271 }
13071272 } else if vm.canStop() {
13081273 let handler = RcBlock::new(|_error: *mut NSError| {});
@@ -1314,7 +1279,7 @@ where
13141279 Err(mpsc::TryRecvError::Empty) => {}
13151280 Err(mpsc::TryRecvError::Disconnected) => {}
13161281 }
1317− if state != VZVirtualMachineState::Running {
1282+ if state != objc2_virtualization::VZVirtualMachineState::Running {
13181283 //eprintln!("VM stopped with state: {:?}", state);
13191284 break;
13201285 }
@@ -1324,7 +1289,7 @@ where
13241289
13251290 io_ctx.shutdown();
13261291
1327− exit_result.map_err(Error::msg)
1292+ exit_result
13281293}
13291294
13301295fn run_vm(
@@ -1333,20 +1298,18 @@ fn run_vm(
13331298 directory_shares: &[DirectoryShare],
13341299 cpu_count: usize,
13351300 ram_bytes: u64,
1336− status: Option<&StatusEmitter<'_>>,
1337−) -> Result<()> {
1301+) -> Result<(), Box<dyn std::error::Error>> {
13381302 run_vm_with_io(
13391303 disk_path,
13401304 login_actions,
13411305 directory_shares,
13421306 cpu_count,
13431307 ram_bytes,
1344− status,
13451308 spawn_vm_io,
13461309 )
13471310}
13481311
1349−fn nsurl_from_path(path: &Path) -> Result<Retained<NSURL>> {
1312+fn nsurl_from_path(path: &Path) -> Result<Retained<NSURL>, Box<dyn std::error::Error>> {
13501313 let abs_path = if path.is_absolute() {
13511314 path.to_path_buf()
13521315 } else {
@@ -1355,7 +1318,7 @@ fn nsurl_from_path(path: &Path) -> Result<Retained<NSURL>> {
13551318 let ns_path = NSString::from_str(
13561319 abs_path
13571320 .to_str()
1358− .with_context(|| "non-UTF8 path encountered while building NSURL")?,
1321+ .ok_or("Non-UTF8 path encountered while building NSURL")?,
13591322 );
13601323 Ok(NSURL::fileURLWithPath(&ns_path))
13611324}
@@ -1370,7 +1333,7 @@ fn enable_raw_mode(fd: i32) -> io::Result<RawModeGuard> {
13701333 let original = attributes;
13711334
13721335 // Disable translation of carriage return to newline on input
1373− attributes.c_iflag &= !libc::ICRNL;
1336+ attributes.c_iflag &= !(libc::ICRNL);
13741337 // Disable canonical mode (line buffering), echo, and signal generation
13751338 attributes.c_lflag &= !(libc::ICANON | libc::ECHO | libc::ISIG);
13761339 attributes.c_cc[libc::VMIN] = 0;
@@ -1398,10 +1361,10 @@ impl Drop for RawModeGuard {
13981361
13991362// Ensure the running binary has com.apple.security.virtualization entitlements by checking and, if not, signing and relaunching.
14001363pub fn ensure_signed() {
1401− if env::var("VIBEBOX_SKIP_CODESIGN").as_deref() == Ok("1") {
1364+ if std::env::var("VIBEBOX_SKIP_CODESIGN").as_deref() == Ok("1") {
14021365 return;
14031366 }
1404− let exe = env::current_exe().expect("failed to get current exe path");
1367+ let exe = std::env::current_exe().expect("failed to get current exe path");
14051368 let exe_str = exe.to_str().expect("exe path not valid utf-8");
14061369
14071370 let has_required_entitlements = {
@@ -1423,10 +1386,10 @@ pub fn ensure_signed() {
14231386 }
14241387
14251388 const ENTITLEMENTS: &str = include_str!("entitlements.plist");
1426− let entitlements_path = env::temp_dir().join("entitlements.plist");
1427− fs::write(&entitlements_path, ENTITLEMENTS).expect("failed to write entitlements");
1389+ let entitlements_path = std::env::temp_dir().join("entitlements.plist");
1390+ std::fs::write(&entitlements_path, ENTITLEMENTS).expect("failed to write entitlements");
14281391
1429− let output = Command::new("codesign")
1392+ let status = Command::new("codesign")
14301393 .args([
14311394 "--sign",
14321395 "-",
@@ -1435,27 +1398,22 @@ pub fn ensure_signed() {
14351398 entitlements_path.to_str().unwrap(),
14361399 exe_str,
14371400 ])
1438− .output();
1401+ .status();
14391402
1440− let _ = fs::remove_file(&entitlements_path);
1403+ let _ = std::fs::remove_file(&entitlements_path);
14411404
1442− match output {
1443− Ok(o) if o.status.success() => {
1444− let stderr = String::from_utf8_lossy(&o.stderr);
1445− if !stderr.trim().is_empty() {
1446− tracing::debug!(codesign_stderr = %stderr.trim(), "codesign output");
1447− }
1448− let err = Command::new(&exe).args(env::args_os().skip(1)).exec();
1449− tracing::error!(error = %err, "failed to re-exec after signing");
1405+ match status {
1406+ Ok(s) if s.success() => {
1407+ let err = Command::new(&exe).args(std::env::args_os().skip(1)).exec();
1408+ eprintln!("failed to re-exec after signing: {err}");
14501409 std::process::exit(1);
14511410 }
1452− Ok(o) => {
1453− let stderr = String::from_utf8_lossy(&o.stderr);
1454− tracing::error!(status = %o.status, codesign_stderr = %stderr.trim(), "codesign failed");
1411+ Ok(s) => {
1412+ eprintln!("codesign failed with status: {s}");
14551413 std::process::exit(1);
14561414 }
14571415 Err(e) => {
1458− tracing::error!(error = %e, "failed to run codesign");
1416+ eprintln!("failed to run codesign: {e}");
14591417 std::process::exit(1);
14601418 }
14611419 }