feat: various cleans

functions/fish_prompt.fish

@@ -47,6 +47,20 @@ function fish_prompt --description 'Write out the prompt'
         set color_cwd $fish_color_cwd
     end
 
+    # Vim mode indicator
+    set -l vim_mode
+    switch $fish_bind_mode
+        case default
+            set vim_mode (set_color brwhite --bold)"N"(set_color normal)
+        case insert
+            set vim_mode (set_color green --bold)"I"(set_color normal)
+        case visual
+            set vim_mode (set_color yellow --bold)"V"(set_color normal)
+        case replace
+            set vim_mode (set_color red --bold)"R"(set_color normal)
+    end
+    echo -n $vim_mode" "
+
     # Time
     set_color brblack
     echo -n (date '+%H:%M:%S')
@@ -79,6 +93,28 @@ function fish_prompt --description 'Write out the prompt'
     set_color normal
     echo -n ' '
 
+    # Dirh position: {back}<  />{fwd}  {back}<>{fwd}
+    set -l back (count $dirprev)
+    set -l fwd (count $dirnext)
+    if test $back -gt 0 -o $fwd -gt 0
+        set_color brblack
+        if test $back -gt 0
+            echo -n $back
+        end
+        if test $back -gt 0 -a $fwd -gt 0
+            echo -n "<>"
+        else if test $back -gt 0
+            echo -n "<"
+        else
+            echo -n ">"
+        end
+        if test $fwd -gt 0
+            echo -n $fwd
+        end
+        set_color normal
+        echo -n ' '
+    end
+
     # PWD
     set_color $color_cwd
     echo -n (prompt_pwd)