Switch to fish shell

.config/fish/functions/layout.fish

@@ -0,0 +1,61 @@
+function layout
+    argparse -n "layout" "v/verbose" "t/target=" -- $argv
+    or return 1
+
+    set _target
+
+    if set -q _flag_target
+        set _target "$_flag_target"
+    end
+
+    if test -f "$_TEMP/curr-layout"
+        if not set -q _flag_target
+            switch (cat "$_TEMP/curr-layout")
+            case us
+                set _target "sv"
+            case se
+                set _target "us"
+            case sv
+                set _target "us"
+            case '*'
+                if set -q _flag_verbose
+                    echo "Unregognized layout set in /curr-layout file; stopping..."
+                end
+                return 1
+            end
+        end
+    else
+        if set -q _flag_verbose; and not set -q _flag_target
+            echo "Could not determine current layout; defaulting to US"
+        end
+        echo "us" > "$_TEMP/curr-layout"
+        if not set -q _flag_target
+            set _target "sv"
+        end
+    end
+
+    if not set -q _target
+        return 2
+    end
+
+    if set -q _flag_verbose
+        switch (echo $_target)
+        case sv
+            echo "Switching to Swedish layout..."
+        case us
+            echo "Switching to U.S. layout..."
+        end
+    end
+
+    switch (echo $_target)
+    case sv
+        set _target se
+    case '*'
+    end
+
+    if setxkbmap -layout $_target
+        echo $_target > "$_TEMP/curr-layout"
+    end
+
+    return $status
+end