Properly define bsd-csh

Author: ericcornelissen

src/internal/unix.js

@@ -40,6 +40,14 @@ const binBusyBox = "busybox";
  */
 const binCsh = "csh";
 
+/**
+ * An alternative name for the C shell (csh) binary.
+ *
+ * @constant
+ * @type {string}
+ */
+const binCshBsd = "bsd-csh";
+
 /**
  * The name of the Debian Almquist shell (Dash) binary.
  *
@@ -86,8 +94,8 @@ export function getShellHelpers(shellName) {
     case binBusyBox: {
       return busybox;
     }
-    case "bsd-csh":
-    case binCsh: {
+    case binCsh:
+    case binCshBsd: {
       return csh;
     }
     case binDash: {

test/_constants.js

@@ -76,6 +76,7 @@ export const osTypes = [ostypeCygwin, ostypeMsys];
 export const binBash = "bash";
 export const binBusyBox = "busybox";
 export const binCsh = "csh";
+export const binCshBsd = "bsd-csh";
 export const binDash = "dash";
 export const binZsh = "zsh";
 

test/unit/unix/index.test.js

@@ -25,7 +25,7 @@ const shells = [
   { module: bash, shellName: constants.binBash },
   { module: busybox, shellName: constants.binBusyBox },
   { module: csh, shellName: constants.binCsh },
-  { module: csh, shellName: "bsd-csh" },
+  { module: csh, shellName: constants.binCshBsd },
   { module: dash, shellName: constants.binDash },
   { module: zsh, shellName: constants.binZsh },
 ];