$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-YAML-Meta.git /var/lib/mock/f41-build-1108244-20093/root/chroot_tmpdir/scmroot/perl-Test-YAML-Meta
Cloning into '/var/lib/mock/f41-build-1108244-20093/root/chroot_tmpdir/scmroot/perl-Test-YAML-Meta'...
$ git fetch origin fb0c79e2fb2468dd98636360bc7e0b060dacf521:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-YAML-Meta
 * [new ref]         fb0c79e2fb2468dd98636360bc7e0b060dacf521 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb0c79e Eliminate use of obsolete %patchN syntax (#2283636)