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use std::env;
use std::ffi::OsStr;
use std::process::Command;
fn env_flag(name: &str) -> bool {
matches!(
env::var(name)
.unwrap_or_default()
.trim()
.to_ascii_lowercase()
.as_str(),
"1" | "true" | "yes" | "on"
)
}
pub fn use_steam_run() -> bool {
env_flag("NAK_USE_STEAM_RUN")
}
/// Build a command to run `exe` with the given environment variables.
///
/// In steam-run mode, the command is wrapped with `steam-run`.
/// Otherwise the command runs directly.
pub fn build_command<S: AsRef<OsStr>>(
exe: impl AsRef<OsStr>,
envs: &[(&str, S)],
) -> Command {
if use_steam_run() {
let mut cmd = Command::new("steam-run");
cmd.arg(exe.as_ref());
for (key, value) in envs {
cmd.env(key, value.as_ref());
}
return cmd;
}
let mut cmd = Command::new(exe);
for (key, value) in envs {
cmd.env(key, value.as_ref());
}
cmd
}
/// Build a command with no extra environment variables.
pub fn command_for(exe: impl AsRef<OsStr>) -> Command {
build_command::<&str>(exe, &[])
}
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