Merge branch 'busybox' of https://github.com/austin987/shellcheck into austin987-busybox

src/ShellCheck/Analytics.hs

@@ -590,6 +590,12 @@ prop_checkShebang9 = verifyNotTree checkShebang "# shellcheck shell=sh\ntrue"
 prop_checkShebang10= verifyNotTree checkShebang "#!foo\n# shellcheck shell=sh ignore=SC2239\ntrue"
 prop_checkShebang11= verifyTree checkShebang "#!/bin/sh/\ntrue"
 prop_checkShebang12= verifyTree checkShebang "#!/bin/sh/ -xe\ntrue"
+prop_checkShebang13= verifyTree checkShebang "#!/bin/busybox sh"
+prop_checkShebang14= verifyTree checkShebang "#!/bin/busybox sh\n# shellcheck shell=sh\n"
+prop_checkShebang15= verifyNotTree checkShebang "#!/bin/busybox sh\n# shellcheck shell=dash\n"
+prop_checkShebang16= verifyTree checkShebang "#!/bin/busybox ash"
+prop_checkShebang17= verifyNotTree checkShebang "#!/bin/busybox ash\n# shellcheck shell=dash\n"
+prop_checkShebang18= verifyNotTree checkShebang "#!/bin/busybox ash\n# shellcheck shell=sh\n"
 checkShebang params (T_Annotation _ list t) =
     if any isOverride list then [] else checkShebang params t
   where

src/ShellCheck/Parser.hs

@@ -3237,10 +3237,11 @@ readScriptFile sourced = do
         case words sb of
             [] -> ""
             [x] -> basename x
-            (first:args) ->
-                if basename first == "env"
-                    then fromMaybe "" $ find (notElem '=') $ skipFlags args
-                    else basename first
+            (first:args) | basename first == "env" ->
+                fromMaybe "" $ find (notElem '=') $ skipFlags args
+            (first:second:args) | basename first == "busybox" ->
+                second
+            (first:_) -> basename first
 
     verifyShebang pos s = do
         case isValidShell s of