41 lines
1.0 KiB
Rust
41 lines
1.0 KiB
Rust
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use std::path::Path;
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/// Check whether a path in PATH is a valid executable.
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///
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/// Derived from `which`'s `Checker`.
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pub(crate) fn is_executable(path: &Path) -> bool {
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#[cfg(any(unix, target_os = "wasi", target_os = "redox"))]
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{
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if rustix::fs::access(path, rustix::fs::Access::EXEC_OK).is_err() {
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return false;
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}
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}
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#[cfg(target_os = "windows")]
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{
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let Ok(file_type) = fs_err::symlink_metadata(path).map(|metadata| metadata.file_type())
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else {
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return false;
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};
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if !file_type.is_file() && !file_type.is_symlink() {
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return false;
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}
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if path.extension().is_none()
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&& winsafe::GetBinaryType(&path.display().to_string()).is_err()
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{
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return false;
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}
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}
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if cfg!(not(target_os = "windows")) {
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if !fs_err::metadata(path)
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.map(|metadata| metadata.is_file())
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.unwrap_or(false)
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{
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return false;
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}
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}
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true
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}
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