$ git clone -n https://src.fedoraproject.org/rpms/perl-TestML1.git /var/lib/mock/f41-build-1211627-22574/root/chroot_tmpdir/scmroot/perl-TestML1
Cloning into '/var/lib/mock/f41-build-1211627-22574/root/chroot_tmpdir/scmroot/perl-TestML1'...
$ git fetch origin 0f29bc1687bf420006622aaf11ed90de557cd38b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-TestML1
 * [new ref]         0f29bc1687bf420006622aaf11ed90de557cd38b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f29bc1 Eliminate use of obsolete %patchN syntax (#2283636)