$ git clone -n https://src.fedoraproject.org/rpms/perl-YAML-LibYAML-API.git /var/lib/mock/f41-build-816736-150376/root/chroot_tmpdir/scmroot/perl-YAML-LibYAML-API
Cloning into '/var/lib/mock/f41-build-816736-150376/root/chroot_tmpdir/scmroot/perl-YAML-LibYAML-API'...
$ git fetch origin dc1a8b312ed5ef21a97265bfb4740aa1653fe376:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-YAML-LibYAML-API
 * [new ref]         dc1a8b312ed5ef21a97265bfb4740aa1653fe376 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc1a8b3 Perl 5.40 rebuild