fixes 'no shebang' case

PR-URL: #25
Credit: @igorklopov
Close: #25
Reviewed-by: @isaacs
Close: #36
Fix: #35

index.js

@@ -140,15 +140,15 @@ function writeShim_ (from, to, prog, args, variables, cb) {
 
   var sh = "#!/bin/sh\n"
 
-  if (shLongProg) {
-    sh = sh
-        + "basedir=$(dirname \"$(echo \"$0\" | sed -e 's,\\\\,/,g')\")\n"
-        + "\n"
-        + "case `uname` in\n"
-        + "    *CYGWIN*) basedir=`cygpath -w \"$basedir\"`;;\n"
-        + "esac\n"
-        + "\n"
+  sh = sh
+      + "basedir=$(dirname \"$(echo \"$0\" | sed -e 's,\\\\,/,g')\")\n"
+      + "\n"
+      + "case `uname` in\n"
+      + "    *CYGWIN*) basedir=`cygpath -w \"$basedir\"`;;\n"
+      + "esac\n"
+      + "\n"
 
+  if (shLongProg) {
     sh = sh
        + "if [ -x "+shLongProg+" ]; then\n"
        + "  " + variables + shLongProg + " " + args + " " + shTarget + " \"$@\"\n"
@@ -159,7 +159,8 @@ function writeShim_ (from, to, prog, args, variables, cb) {
        + "fi\n"
        + "exit $ret\n"
   } else {
-    sh = shProg + " " + args + " " + shTarget + " \"$@\"\n"
+    sh = sh
+       + shProg + " " + args + " " + shTarget + " \"$@\"\n"
        + "exit $?\n"
   }
 

test/basic.js

@@ -13,7 +13,14 @@ test('no shebang', function (t) {
     if (er)
       throw er
     t.equal(fs.readFileSync(to, 'utf8'),
-            "\"$basedir/from.exe\"   \"$@\"\nexit $?\n")
+            "#!/bin/sh"+
+            "\nbasedir=$(dirname \"$(echo \"$0\" | sed -e 's,\\\\,/,g')\")"+
+            "\n"+
+            "\ncase `uname` in"+
+            "\n    *CYGWIN*) basedir=`cygpath -w \"$basedir\"`;;"+
+            "\nesac"+
+            "\n"+
+            "\n\"$basedir/from.exe\"   \"$@\"\nexit $?\n")
     t.equal(fs.readFileSync(to + '.cmd', 'utf8'),
             "@\"%~dp0\\from.exe\"   %*\r\n")
     t.end()