Commit 852c83ee44d6d53137f12443c9f82f70bbabbadc

Josh Bleecher Snyder 2020-01-15T13:31:21

refs: refuse to delete HEAD This requires adding a new symbolic ref to the testrepo fixture. Some of the existing tests attempt to delete HEAD, expecting a different failure. Introduce and use a non-HEAD symbolic ref instead. Adjust a few other tests as needed. Fixes #5357