refactor to simplify code

Author: TomKellyGenetics

hts-sys/build.rs

@@ -89,38 +89,31 @@ fn main() {
     {
         panic!("failed to build htslib");
     }
-//   println!("autoheader");
-   if Command::new("autoconf")
+   if !Command::new("autoconf")
         .current_dir(out.join("htslib"))
         .status()
         .unwrap()
         .success()
-        != true
     {
         panic!("failed to build htslib");
     }
-//    println!("autoconf");
-    if Command::new("sh")
+    if !Command::new("sh")
         .current_dir(out.join("htslib"))
         .arg("./configure")
-        .arg(format!("CC=clang"))
+        .arg(format!("CC=clang".to_string()))
         .status()
         .unwrap()
         .success()
-        != true
     {
         panic!("failed to build htslib");
     }
-//    println!("sh ./configure");
-//    println!("{}", format!("--prefix={}/local", home_dir().unwrap().into_os_string().into_string().unwrap()));
-    if Command::new("sh")
+    if !Command::new("sh")
         .current_dir(out.join("htslib"))
         .arg("./configure")
         .arg(format!("--prefix={}/local", home_dir().unwrap().into_os_string().into_string().unwrap()))
         .status()
         .unwrap()
         .success()
-        != true
     {
         panic!("failed to build htslib");
     }