Remove useless config subdirectory

fish/functions/cd.fish

@@ -0,0 +1,66 @@
+#
+# Wrap the builtin cd command to maintain directory history.
+#
+function cd --description "Change directory"
+    set -l MAX_DIR_HIST 25
+
+    if test (count $argv) -gt (test "$argv[1]" = "--" && echo 2 || echo 1)
+        printf "%s\n" (_ "Too many args for cd command")
+        return 1
+    end
+
+    # Skip history in subshells.
+    if status --is-command-substitution
+        builtin cd $argv
+        return $status
+    end
+
+    # Avoid set completions.
+    set -l previous $PWD
+
+    if test "$argv" = "-"
+        if test "$__fish_cd_direction" = "next"
+            nextd
+        else
+            prevd
+        end
+        return $status
+    end
+
+    # allow explicit "cd ." if the mount-point became stale in the meantime
+    if test "$argv" = "."
+        cd "$PWD"
+        return $status
+    end
+
+    builtin cd $argv
+    set -l cd_status $status
+
+    if test $cd_status -eq 0 -a "$PWD" != "$previous"
+        set -q dirprev
+        or set -l dirprev
+        set -q dirprev[$MAX_DIR_HIST]
+        and set -e dirprev[1]
+
+        # If dirprev, dirnext, __fish_cd_direction
+        # are set as universal variables, honor their scope.
+
+        set -U -q dirprev
+        and set -U -a dirprev $previous
+        or set -g -a dirprev $previous
+
+        set -U -q dirnext
+        and set -U -e dirnext
+        or set -e dirnext
+
+        set -U -q __fish_cd_direction
+        and set -U __fish_cd_direction prev
+        or set -g __fish_cd_direction prev
+    end
+
+    if test $cd_status -eq 0
+        ls
+    end
+
+    return $cd_status
+end