18cba9c609
Source commit: 6756e5208c8b79e83d55610251430bc1baef53a3 Public tree identity: sha256:2f58837c3759b4f466cbc274571ee71bc0d24c7552dc009c186394e99123da87
63 lines
2 KiB
Rust
63 lines
2 KiB
Rust
use std::io::Read;
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use std::path::{Path, PathBuf};
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use std::process::{Child, Command};
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pub(super) fn child_stderr_suffix(child: &mut Child) -> String {
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let mut stderr = String::new();
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if let Some(mut stream) = child.stderr.take() {
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let _ = stream.read_to_string(&mut stderr);
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}
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let stderr = stderr.trim();
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if stderr.is_empty() {
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String::new()
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} else {
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format!("; worker stderr: {stderr}")
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}
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}
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pub(super) fn local_tool_command(
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env_var: &str,
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binary: &str,
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package: &str,
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repo: &Path,
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) -> Command {
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if let Some(path) = std::env::var_os(env_var) {
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return Command::new(path);
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}
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let current_exe = std::env::current_exe().ok();
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if !workspace_development_executable(current_exe.as_deref(), repo) {
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if let Some(path) = sibling_tool_path(current_exe.as_deref(), binary) {
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return Command::new(path);
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}
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}
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// A workspace-built adapter must ask Cargo for the matching service binary:
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// a sibling executable can be older than the adapter even though both happen
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// to live in target/debug. Installed releases take the sibling path above.
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let mut command = Command::new("cargo");
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command.args(["run", "-q", "-p", package, "--bin", binary, "--"]);
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command
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}
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fn sibling_tool_path(current_exe: Option<&Path>, binary: &str) -> Option<PathBuf> {
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let mut sibling = current_exe?.to_path_buf();
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sibling.set_file_name(format!("{binary}{}", std::env::consts::EXE_SUFFIX));
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sibling.is_file().then_some(sibling)
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}
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fn workspace_development_executable(current_exe: Option<&Path>, repo: &Path) -> bool {
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let Some(current_exe) = current_exe else {
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return false;
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};
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let target = std::env::var_os("CARGO_TARGET_DIR")
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.map(PathBuf::from)
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.map(|path| {
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if path.is_absolute() {
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path
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} else {
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repo.join(path)
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}
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})
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.unwrap_or_else(|| repo.join("target"));
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current_exe.starts_with(target)
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}
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