1 files changed, 12 insertions, 0 deletions
diff --git a/Library/Homebrew/compat/requirements.rb b/Library/Homebrew/compat/requirements.rb
index 48911b52b..304dd2504 100644
--- a/Library/Homebrew/compat/requirements.rb
+++ b/Library/Homebrew/compat/requirements.rb
@@ -44,6 +44,18 @@ class GPG2Requirement < Requirement
   satisfy { which "gpg" }
 end
 
+class GitRequirement < Requirement
+  fatal true
+  default_formula "git"
+  satisfy { Utils.git_available? }
+end
+
+class SubversionRequirement < Requirement
+  fatal true
+  default_formula "subversion"
+  satisfy { Utils.svn_available? }
+end
+
 XcodeDependency            = XcodeRequirement
 MysqlDependency            = MysqlRequirement
 PostgresqlDependency       = PostgresqlRequirement