initRepo

// create a bare test repository and ensure the HEAD file exists
auto repo = initRepo(_userRepo, OpenBare.yes);
scope(exit) rmdirRecurse(_userRepo);
assert(buildPath(_userRepo, "HEAD").exists);

// create a non-bare test repository and ensure the .git/HEAD file exists
auto repo = initRepo(_userRepo, OpenBare.no);
scope(exit) rmdirRecurse(_userRepo);
assert(buildPath(_userRepo, ".git/HEAD").exists);