editors.visual-studio-code: try to find "code" then "Code" then... on linux.

basis/editors/visual-studio-code/visual-studio-code.factor

@@ -1,8 +1,8 @@
 ! Copyright (C) 2015 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: arrays editors io.files io.pathnames io.standard-paths
-kernel make math.parser memoize namespaces sequences system
-tools.which ;
+USING: combinators.extras combinators.short-circuit editors
+generalizations io.files io.pathnames io.standard-paths kernel
+make math.parser memoize namespaces sequences system tools.which ;
 IN: editors.visual-studio-code
 
 ! Command line arguments
@@ -14,10 +14,11 @@ visual-studio-code editor-class set-global
 HOOK: find-visual-studio-code-invocation os ( -- array )
 
 MEMO: visual-studio-code-invocation ( -- array )
-    \ visual-studio-code-invocation get [
-        find-visual-studio-code-invocation
-        [ { "code" } ] unless*
-    ] unless* ;
+    {
+        [ \ visual-studio-code-invocation get ]
+        [ find-visual-studio-code-invocation ]
+        [ "code" ]
+    } 0|| ;
 
 M: macosx find-visual-studio-code-invocation
     "com.microsoft.VSCode" find-native-bundle [
@@ -29,14 +30,17 @@ M: macosx find-visual-studio-code-invocation
 ERROR: can't-find-visual-studio-code ;
 
 M: linux find-visual-studio-code-invocation
-    "Code" which [
-        home "VSCode-linux-x64/Code" append-path
-        dup exists? [ drop f ] unless
-    ] unless* ;
+    {
+        [ "code" which ]
+        [ "Code" which ]
+        [ home "VSCode-linux-x64/Code" append-path ]
+        [ "/usr/share/code/code" ]
+    } [ [ exists? ] ?1arg ] map-compose 0|| ;
 
 M: windows find-visual-studio-code-invocation
-    { "Microsoft VS Code" } "code.exe" find-in-applications
-    [ f ] unless* ;
+    {
+        [ { "Microsoft VS Code" } "code.exe" find-in-applications ]
+    } 0|| ;
 
 M: visual-studio-code editor-command ( file line -- command )
     [