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#[cfg(any(windows, test))]
use std::path::Path;
#[cfg(windows)]
use std::path::PathBuf;
use std::process::Command;
pub(crate) fn command_for_argv(program: &str, args: &[String]) -> Command {
let mut command = command_for_program(program);
command.args(args);
command
}
#[cfg(not(windows))]
fn command_for_program(program: &str) -> Command {
crate::noninteractive_process::command(program)
}
#[cfg(windows)]
fn command_for_program(program: &str) -> Command {
let resolved = resolve_windows_program(program);
let command_program = resolved.as_ref().map_or_else(
|| std::ffi::OsString::from(program),
|path| path.as_os_str().to_os_string(),
);
if is_windows_batch_file_name(program)
|| resolved
.as_ref()
.is_some_and(|path| is_windows_batch_path(path))
{
let shell =
std::env::var_os("ComSpec").unwrap_or_else(|| r"C:\Windows\System32\cmd.exe".into());
let mut command = crate::noninteractive_process::command(shell);
command.arg("/d").arg("/c").arg(command_program);
command
} else {
crate::noninteractive_process::command(command_program)
}
}
#[cfg(windows)]
fn resolve_windows_program(program: &str) -> Option<PathBuf> {
if has_path_separator(program) {
return None;
}
let path = Path::new(program);
if path.extension().is_some() {
return std::env::var_os("PATH").and_then(|path_var| {
std::env::split_paths(&path_var)
.map(|dir| dir.join(program))
.find(|candidate| candidate.is_file())
});
}
let extensions = windows_path_extensions();
std::env::var_os("PATH").and_then(|path_var| {
std::env::split_paths(&path_var).find_map(|dir| {
extensions
.iter()
.map(|extension| dir.join(format!("{program}{extension}")))
.find(|candidate| candidate.is_file())
})
})
}
#[cfg(windows)]
fn windows_path_extensions() -> Vec<String> {
std::env::var_os("PATHEXT")
.map(|value| {
value
.to_string_lossy()
.split(';')
.map(str::trim)
.filter(|part| !part.is_empty())
.map(|part| {
if part.starts_with('.') {
part.to_string()
} else {
format!(".{part}")
}
})
.collect::<Vec<_>>()
})
.filter(|extensions| !extensions.is_empty())
.unwrap_or_else(|| {
vec![
".COM".to_string(),
".EXE".to_string(),
".BAT".to_string(),
".CMD".to_string(),
]
})
}
#[cfg(windows)]
fn has_path_separator(program: &str) -> bool {
program.contains(['/', '\\'])
}
#[cfg(windows)]
fn is_windows_batch_path(path: &Path) -> bool {
path.extension()
.and_then(std::ffi::OsStr::to_str)
.is_some_and(is_windows_batch_extension)
}
#[cfg(any(windows, test))]
fn is_windows_batch_file_name(program: &str) -> bool {
Path::new(program)
.extension()
.and_then(std::ffi::OsStr::to_str)
.is_some_and(is_windows_batch_extension)
}
#[cfg(any(windows, test))]
fn is_windows_batch_extension(extension: &str) -> bool {
extension.eq_ignore_ascii_case("cmd") || extension.eq_ignore_ascii_case("bat")
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn recognizes_windows_batch_extensions_case_insensitively() {
assert!(is_windows_batch_file_name("npm.cmd"));
assert!(is_windows_batch_file_name("script.BAT"));
assert!(!is_windows_batch_file_name("node.exe"));
assert!(!is_windows_batch_file_name("node"));
}
#[cfg(windows)]
#[test]
fn windows_batch_command_captures_output() {
let path = std::env::temp_dir().join(format!(
"herdr-plugin-command-output-{}.cmd",
std::process::id()
));
std::fs::write(&path, "@echo off\r\necho plugin-%1\r\n").expect("write batch fixture");
let output = command_for_argv(&path.display().to_string(), &["ready".to_string()])
.output()
.expect("run batch fixture");
let _ = std::fs::remove_file(&path);
assert!(output.status.success(), "{output:?}");
assert_eq!(
String::from_utf8_lossy(&output.stdout).trim(),
"plugin-ready"
);
}
}
|
