helix: add helix pager

scripts/default.nix

@@ -31,6 +31,8 @@ create_scripts
     _sway_idle_toggle = [ final.swayidle ];
     kak-pager = [ fish final._diffr ];
     kak-man-pager = [ final.kak-pager ];
+    helix-pager = [ fish final._diffr ];
+    helix-man-pager = [ final.helix-pager ];
     musmenu = [ mpc-cli final.wdmenu trash-cli xdg-user-dirs libnotify sd wl-clipboard ];
     showkeys =
       [ ]; # This will not work unless programs.wshowkeys is enabled systemwide

scripts/helix-man-pager

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+col -b -x | hx

scripts/helix-pager

@@ -0,0 +1,28 @@
+#!/usr/bin/env fish
+
+if test (count $argv) -ne 0
+    for i in $argv
+        cat "$i"
+    end | eval (status filename)
+    exit 0
+end
+
+set term_line_count (tput lines)
+
+while read line
+    set -a input_lines "$line"
+
+    set input_line_count (printf "%s\n" $input_lines | wc -l)
+
+    if test "$term_line_count" -lt "$input_line_count"
+        begin
+            printf "%s\n" $input_lines
+            cat
+        end | hx
+
+        exit 0
+    end
+
+end
+
+printf "%s\n" $input_lines