Fish: Adapt realpath cd for history

.config/fish/functions/cd.fish

@@ -1,4 +1,48 @@
-# Defined in /tmp/fish.pCCKfo/cd.fish @ line 2
+# Defined in /tmp/fish.3yeuaV/cd.fish @ line 4
-function cd
+function cd --description 'Change directory'
+	set -l MAX_DIR_HIST 25
+
+    if test (count $argv) -gt 1
+        printf "%s\n" (_ "Too many args for cd command")
+        return 1
+    end
+
+    # Skip history in subshells.
+    if status --is-command-substitution
 	builtin cd (realpath $argv 2> /dev/null)
+        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 (realpath $argv 2> /dev/null)
+    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]
+        set -g -a dirprev $previous
+        set -e dirnext
+        set -g __fish_cd_direction prev
+    end
+
+    return $cd_status
 end