do not explode if branch is not given for local git repos

1 files changed, 1 insertions, 7 deletions

diff --git a/lib/bundler/source.rb b/lib/bundler/source.rb
index a1da86a581..1aed90729e 100644
--- a/lib/bundler/source.rb
+++ b/lib/bundler/source.rb
@@ -717,12 +717,6 @@ module Bundler
         path = Pathname.new(path)
         path = path.expand_path(Bundler.root) unless path.relative?
 
-        unless options["branch"]
-          raise GitError, "Cannot use local override for #{name} at #{path} because " \
-            ":branch is not specified in Gemfile. Specify a branch or check " \
-            "`bundle config --delete` to remove the local override"
-        end
-
         unless path.exist?
           raise GitError, "Cannot use local override for #{name} because #{path} " \
             "does not exist. Check `bundle config --delete` to remove the local override"
@@ -734,7 +728,7 @@ module Bundler
         # so the Gemfile.lock always picks up the new revision.
         @git_proxy = GitProxy.new(path, uri, ref)
 
-        if git_proxy.branch != options["branch"]
+        if options["branch"] and git_proxy.branch != options["branch"]
           raise GitError, "Local override for #{name} at #{path} is using branch " \
             "#{git_proxy.branch} but Gemfile specifies #{options["branch"]}"
         end