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use std::{
ffi::{OsStr, OsString},
fmt::Debug,
path::{Path, PathBuf},
process::Command,
};
pub(crate) fn execute_command<S: AsRef<OsStr> + Debug>(argv: &[S]) -> String {
let mut command = Command::new(&argv[0]);
command.args(&argv[1..]);
let output = command
.output()
.unwrap_or_else(|_| panic!("Execute command {:?} failed", &argv))
.stdout;
String::from_utf8(output).unwrap().trim().to_owned()
}
#[cfg(feature = "fpm")]
pub(crate) fn spawn_command<S: AsRef<OsStr> + Debug>(
argv: &[S], wait_time: Option<std::time::Duration>,
) -> std::process::Child {
use std::{process::Stdio, thread};
let mut command = Command::new(&argv[0]);
let child = command
.args(&argv[1..])
.stdin(Stdio::null())
.stdout(Stdio::null())
.stderr(Stdio::null())
.spawn()
.unwrap_or_else(|_| panic!("Execute command {:?} failed", argv));
if let Some(wait_time) = wait_time {
thread::sleep(wait_time);
}
let id = child.id();
unsafe {
assert_eq!(
libc::kill(id.try_into().unwrap(), 0),
0,
"start process failed: {:?}",
argv
);
}
child
}
pub fn get_lib_path(target_path: impl AsRef<Path>, package_name: &str) -> PathBuf {
let target_path = target_path.as_ref();
let mut path = target_path.to_path_buf();
path.push(if cfg!(debug_assertions) {
"debug"
} else {
"release"
});
let mut ext_name = OsString::new();
ext_name.push("lib");
ext_name.push(package_name);
ext_name.push(if cfg!(target_os = "linux") {
".so"
} else if cfg!(target_os = "macos") {
".dylib"
} else if cfg!(target_os = "windows") {
".dll"
} else {
""
});
path.join(ext_name)
}