Run git_remove_alias_tree before gem uninstall git-status-tree

Gem.pre_uninstall on the other hand works fine.

Author: wteuber

lib/rubygems_plugin.rb

@@ -0,0 +1,5 @@
+Gem.pre_uninstall do |uninstaller|
+  bin_dir = uninstaller.spec.bin_dir
+  git_remove_alias_tree = File.join(bin_dir, 'git_remove_alias_tree')
+  puts `#{git_remove_alias_tree}`
+end