addet check_fisher function with auto setup and addet linutil command alias

aliases.fish

@@ -59,6 +59,9 @@ end
 # ─< weather >──────────────────────────────────────────────────────────────────────────────
 alias www="curl wttr.in/Ulm"
 
+# ─< linutil >────────────────────────────────────────────────────────────────────────────
+alias linutil="curl -fsSL https://christitus.com/linux | sh"
+
 # ─< telnet (starwars) >────────────────────────────────────────────────────────────────────
 if command -v telnet >/dev/null 2>&1
     alias starwars="telnet -a telehack.com"

init/setup.fish

@@ -234,11 +234,13 @@ end
 #                                                              ╰───────────────────────────────────────────────────────╯
 
 function check_fishr
-    if test -e $HOME/.config/fish/.fishr.init
+    if command -v fisher >/dev/null 2>&1
         fisher update
     else
         if test ! -e $HOME/.config/fish/functions/fisher.fish
-            echo "you did it!!" >$HOME/.config/fish/.fishr.init && curl -sL https://raw.githubusercontent.com/jorgebucaran/fisher/main/functions/fisher.fish | source & fisher install jorgebucaran/fisher
+            curl -sL https://raw.githubusercontent.com/jorgebucaran/fisher/main/functions/fisher.fish | source & fisher install jorgebucaran/fisher
+            fisher update
         end
     end
 end
+check_fishr