🩹 fix(fish): Handle missing ruby executable.

Author: make-github-pseudonymous-again

.config/fish/path.fish

@@ -10,9 +10,11 @@ if test -d $HOME/.meteor
 end
 
 # ruby gems
-set -gx RUBY_PATH (ruby -e 'print Gem.user_dir')/bin
-if test -d $RUBY_PATH
-  set -gx PATH $RUBY_PATH $PATH
+if command -q ruby
+  set -gx RUBY_PATH (ruby -e 'print Gem.user_dir')/bin
+  if test -d $RUBY_PATH
+    set -gx PATH $RUBY_PATH $PATH
+  end
 end
 
 # node path

.path

@@ -6,9 +6,11 @@ if [ -d "$HOME/.bin" ] ; then
 fi
 
 # ruby gems
-export RUBY_PATH=$(ruby -e 'print Gem.user_dir')/bin;
-if [ -d "$RUBY_PATH" ] ; then
-  export PATH="$RUBY_PATH:$PATH"
+if which ruby 2>/dev/null ; then
+  export RUBY_PATH=$(ruby -e 'print Gem.user_dir')/bin;
+  if [ -d "$RUBY_PATH" ] ; then
+    export PATH="$RUBY_PATH:$PATH"
+  fi
 fi
 
 # Node path