ref: Simplify target cfgs (#1346)

src/steps/os/mod.rs

@@ -14,7 +14,7 @@ pub mod macos;
 pub mod openbsd;
 #[cfg(unix)]
 pub mod unix;
-#[cfg(target_os = "windows")]
+#[cfg(windows)]
 pub mod windows;
 
 #[cfg(windows)]

src/utils.rs

@@ -151,7 +151,7 @@ pub fn string_prepend_str(string: &mut String, s: &str) {
     *string = new_string;
 }
 
-#[cfg(target_family = "unix")]
+#[cfg(unix)]
 pub fn hostname() -> Result<String> {
     match nix::unistd::gethostname() {
         Ok(os_str) => Ok(os_str
@@ -161,7 +161,7 @@ pub fn hostname() -> Result<String> {
     }
 }
 
-#[cfg(target_family = "windows")]
+#[cfg(windows)]
 pub fn hostname() -> Result<String> {
     Command::new("hostname")
         .output_checked_utf8()