This change adds two things to our remote server build
process:
1. It now checks if all required tooling is installed before using it or installing it on demand. This includes checks for `rustup` and `cargo-zigbuild` in your `PATH`.
2. Next, if `ZED_BUILD_REMOTE_SERVER` contains `musl` and `ZED_ZSTD_MUSL_LIB`
is set, we will pass its value (the path) to `cargo-zigbuild` as `-C
link-arg=-L{path}`.
Release Notes:
- N/A
315 lines
11 KiB
Rust
315 lines
11 KiB
Rust
use crate::{
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json_log::LogRecord,
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protocol::{MESSAGE_LEN_SIZE, message_len_from_buffer, read_message_with_len, write_message},
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};
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use anyhow::{Context as _, Result};
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use futures::{
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AsyncReadExt as _, FutureExt as _, StreamExt as _,
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channel::mpsc::{Sender, UnboundedReceiver, UnboundedSender},
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};
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use gpui::{AppContext as _, AsyncApp, Task};
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use rpc::proto::Envelope;
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use smol::process::Child;
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pub mod ssh;
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pub mod wsl;
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fn handle_rpc_messages_over_child_process_stdio(
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mut ssh_proxy_process: Child,
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incoming_tx: UnboundedSender<Envelope>,
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mut outgoing_rx: UnboundedReceiver<Envelope>,
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mut connection_activity_tx: Sender<()>,
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cx: &AsyncApp,
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) -> Task<Result<i32>> {
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let mut child_stderr = ssh_proxy_process.stderr.take().unwrap();
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let mut child_stdout = ssh_proxy_process.stdout.take().unwrap();
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let mut child_stdin = ssh_proxy_process.stdin.take().unwrap();
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let mut stdin_buffer = Vec::new();
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let mut stdout_buffer = Vec::new();
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let mut stderr_buffer = Vec::new();
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let mut stderr_offset = 0;
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let stdin_task = cx.background_spawn(async move {
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while let Some(outgoing) = outgoing_rx.next().await {
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write_message(&mut child_stdin, &mut stdin_buffer, outgoing).await?;
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}
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anyhow::Ok(())
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});
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let stdout_task = cx.background_spawn({
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let mut connection_activity_tx = connection_activity_tx.clone();
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async move {
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loop {
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stdout_buffer.resize(MESSAGE_LEN_SIZE, 0);
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let len = child_stdout.read(&mut stdout_buffer).await?;
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if len == 0 {
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return anyhow::Ok(());
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}
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if len < MESSAGE_LEN_SIZE {
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child_stdout.read_exact(&mut stdout_buffer[len..]).await?;
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}
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let message_len = message_len_from_buffer(&stdout_buffer);
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let envelope =
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read_message_with_len(&mut child_stdout, &mut stdout_buffer, message_len)
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.await?;
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connection_activity_tx.try_send(()).ok();
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incoming_tx.unbounded_send(envelope).ok();
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}
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}
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});
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let stderr_task: Task<anyhow::Result<()>> = cx.background_spawn(async move {
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loop {
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stderr_buffer.resize(stderr_offset + 1024, 0);
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let len = child_stderr
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.read(&mut stderr_buffer[stderr_offset..])
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.await?;
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if len == 0 {
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return anyhow::Ok(());
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}
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stderr_offset += len;
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let mut start_ix = 0;
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while let Some(ix) = stderr_buffer[start_ix..stderr_offset]
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.iter()
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.position(|b| b == &b'\n')
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{
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let line_ix = start_ix + ix;
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let content = &stderr_buffer[start_ix..line_ix];
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start_ix = line_ix + 1;
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if let Ok(record) = serde_json::from_slice::<LogRecord>(content) {
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record.log(log::logger())
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} else {
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eprintln!("(remote) {}", String::from_utf8_lossy(content));
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}
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}
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stderr_buffer.drain(0..start_ix);
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stderr_offset -= start_ix;
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connection_activity_tx.try_send(()).ok();
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}
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});
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cx.background_spawn(async move {
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let result = futures::select! {
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result = stdin_task.fuse() => {
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result.context("stdin")
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}
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result = stdout_task.fuse() => {
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result.context("stdout")
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}
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result = stderr_task.fuse() => {
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result.context("stderr")
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}
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};
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let status = ssh_proxy_process.status().await?.code().unwrap_or(1);
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match result {
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Ok(_) => Ok(status),
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Err(error) => Err(error),
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}
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})
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}
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#[cfg(debug_assertions)]
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async fn build_remote_server_from_source(
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platform: &crate::RemotePlatform,
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delegate: &dyn crate::RemoteClientDelegate,
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cx: &mut AsyncApp,
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) -> Result<Option<std::path::PathBuf>> {
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use smol::process::{Command, Stdio};
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use std::env::VarError;
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use std::path::Path;
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// By default, we make building remote server from source opt-out and we do not force artifact compression
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// for quicker builds.
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let build_remote_server =
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std::env::var("ZED_BUILD_REMOTE_SERVER").unwrap_or("nocompress".into());
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if build_remote_server == "false"
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|| build_remote_server == "no"
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|| build_remote_server == "off"
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|| build_remote_server == "0"
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{
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return Ok(None);
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}
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async fn run_cmd(command: &mut Command) -> Result<()> {
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let output = command
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.kill_on_drop(true)
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.stderr(Stdio::inherit())
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.output()
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.await?;
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anyhow::ensure!(
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output.status.success(),
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"Failed to run command: {command:?}"
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);
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Ok(())
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}
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let use_musl = !build_remote_server.contains("nomusl");
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let triple = format!(
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"{}-{}",
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platform.arch,
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match platform.os {
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"linux" =>
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if use_musl {
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"unknown-linux-musl"
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} else {
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"unknown-linux-gnu"
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},
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"macos" => "apple-darwin",
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_ => anyhow::bail!("can't cross compile for: {:?}", platform),
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}
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);
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let mut rust_flags = match std::env::var("RUSTFLAGS") {
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Ok(val) => val,
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Err(VarError::NotPresent) => String::new(),
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Err(e) => {
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log::error!("Failed to get env var `RUSTFLAGS` value: {e}");
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String::new()
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}
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};
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if platform.os == "linux" && use_musl {
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rust_flags.push_str(" -C target-feature=+crt-static");
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if let Ok(path) = std::env::var("ZED_ZSTD_MUSL_LIB") {
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rust_flags.push_str(&format!(" -C link-arg=-L{path}"));
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}
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}
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if build_remote_server.contains("mold") {
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rust_flags.push_str(" -C link-arg=-fuse-ld=mold");
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}
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if platform.arch == std::env::consts::ARCH && platform.os == std::env::consts::OS {
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delegate.set_status(Some("Building remote server binary from source"), cx);
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log::info!("building remote server binary from source");
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run_cmd(
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Command::new("cargo")
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.current_dir(concat!(env!("CARGO_MANIFEST_DIR"), "/../.."))
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.args([
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"build",
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"--package",
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"remote_server",
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"--features",
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"debug-embed",
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"--target-dir",
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"target/remote_server",
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"--target",
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&triple,
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])
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.env("RUSTFLAGS", &rust_flags),
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)
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.await?;
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} else {
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if which("zig", cx).await?.is_none() {
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anyhow::bail!(if cfg!(not(windows)) {
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"zig not found on $PATH, install zig (see https://ziglang.org/learn/getting-started or use zigup)"
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} else {
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"zig not found on $PATH, install zig (use `winget install -e --id zig.zig` or see https://ziglang.org/learn/getting-started or use zigup)"
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});
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}
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let rustup = which("rustup", cx)
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.await?
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.context("rustup not found on $PATH, install rustup (see https://rustup.rs/)")?;
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delegate.set_status(Some("Adding rustup target for cross-compilation"), cx);
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log::info!("adding rustup target");
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run_cmd(Command::new(rustup).args(["target", "add"]).arg(&triple)).await?;
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if which("cargo-zigbuild", cx).await?.is_none() {
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delegate.set_status(Some("Installing cargo-zigbuild for cross-compilation"), cx);
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log::info!("installing cargo-zigbuild");
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run_cmd(Command::new("cargo").args(["install", "--locked", "cargo-zigbuild"])).await?;
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}
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delegate.set_status(
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Some(&format!(
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"Building remote binary from source for {triple} with Zig"
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)),
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cx,
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);
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log::info!("building remote binary from source for {triple} with Zig");
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run_cmd(
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Command::new("cargo")
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.args([
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"zigbuild",
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"--package",
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"remote_server",
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"--features",
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"debug-embed",
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"--target-dir",
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"target/remote_server",
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"--target",
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&triple,
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])
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.env("RUSTFLAGS", &rust_flags),
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)
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.await?;
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};
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let bin_path = Path::new("target")
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.join("remote_server")
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.join(&triple)
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.join("debug")
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.join("remote_server");
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let path = if !build_remote_server.contains("nocompress") {
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delegate.set_status(Some("Compressing binary"), cx);
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#[cfg(not(target_os = "windows"))]
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{
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run_cmd(Command::new("gzip").args(["-f", &bin_path.to_string_lossy()])).await?;
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}
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#[cfg(target_os = "windows")]
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{
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// On Windows, we use 7z to compress the binary
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let seven_zip = which("7z.exe",cx)
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.await?
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.context("7z.exe not found on $PATH, install it (e.g. with `winget install -e --id 7zip.7zip`) or, if you don't want this behaviour, set $env:ZED_BUILD_REMOTE_SERVER=\"nocompress\"")?;
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let gz_path = format!("target/remote_server/{}/debug/remote_server.gz", triple);
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if smol::fs::metadata(&gz_path).await.is_ok() {
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smol::fs::remove_file(&gz_path).await?;
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}
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run_cmd(Command::new(seven_zip).args([
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"a",
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"-tgzip",
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&gz_path,
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&bin_path.to_string_lossy(),
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]))
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.await?;
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}
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let mut archive_path = bin_path;
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archive_path.set_extension("gz");
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std::env::current_dir()?.join(archive_path)
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} else {
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bin_path
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};
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Ok(Some(path))
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}
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#[cfg(debug_assertions)]
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async fn which(
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binary_name: impl AsRef<str>,
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cx: &mut AsyncApp,
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) -> Result<Option<std::path::PathBuf>> {
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let binary_name = binary_name.as_ref().to_string();
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let binary_name_cloned = binary_name.clone();
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let res = cx
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.background_spawn(async move { which::which(binary_name_cloned) })
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.await;
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match res {
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Ok(path) => Ok(Some(path)),
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Err(which::Error::CannotFindBinaryPath) => Ok(None),
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Err(err) => Err(anyhow::anyhow!(
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"Failed to run 'which' to find the binary '{binary_name}': {err}"
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)),
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}
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}
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