add a simple rotate wrapper around imagemagick

builds/utils.nix

@@ -21,6 +21,7 @@
 , rbw
 , xclip
 , xmessage
+, imagemagick
 }:
 
 stdenv.mkDerivation rec {
@@ -30,7 +31,7 @@ stdenv.mkDerivation rec {
   src = ./utils;
 
   nativeBuildInputs = [ makeWrapper ];
-  buildInputs = [ bash feh xrandr jq curl fzy ytfzf sshuttle svkbd scrcpy rbw xclip ffcast xkbset xmessage ];
+  buildInputs = [ bash feh xrandr jq curl fzy ytfzf sshuttle svkbd scrcpy rbw xclip ffcast xkbset xmessage imagemagick ];
 
   installPhase = ''
     mkdir -p $out/bin
@@ -38,7 +39,7 @@ stdenv.mkDerivation rec {
     for i in $(ls $src/); do
       cp $src/$i $out/bin
       ln -sf $out/bin/tmenu_run $out/bin/regenerate
-      wrapProgram $out/bin/$i --prefix PATH : ${lib.makeBinPath [ sxhkd bash feh xrandr jq figlet curl fzy xkbset ytfzf sshuttle svkbd scrcpy xrectsel ffcast xmessage ]}
+      wrapProgram $out/bin/$i --prefix PATH : ${lib.makeBinPath [ sxhkd bash feh xrandr jq figlet curl fzy xkbset ytfzf sshuttle svkbd scrcpy xrectsel ffcast xmessage imagemagick ]}
     done
   '';
 }

builds/utils/rotate_image

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+print_help() {
+	echo "
+rotate -- a thin wrapper around imagemagick
+
+$1 - degrees (clockwise)
+$2 - infile
+$3 - outfile"
+
+exit
+}
+
+if [ "$1" = "-h" ]; then
+	print_help
+fi
+
+if [ -z "$1" ]; then
+	print_help
+fi
+
+[ -z "$3" ] && 3="$2.out"
+convert "$1" -rotate "$2" "$3"