feat(fish): Add automatically sourcing activate files

fish/config.fish

@@ -1,5 +1,7 @@
 # vim: filetype=sh
 
+# OMF plugins: bass, foreign-env, omf, fish-spec, nvm
+
 # Variables
 set -g -x fish_greeting  ""
 set -U os (uname)
@@ -134,6 +136,7 @@ check_git_status $HOME/.local
 function cd -w='cd'
   z $argv || return
   check_directory_for_new_repository
+  check_and_source_activate
 end
 
 function check_directory_for_new_repository
@@ -144,3 +147,10 @@ function check_directory_for_new_repository
   end
   set -gx last_repository $current_repository
 end
+
+function check_and_source_activate
+  if test -f (pwd)/activate.fish
+    echo (set_color green)"Found activate.fish in current directory, sourcing..."(set_color normal)
+    source (pwd)/activate.fish
+  end
+end