$ git clone -n https://src.fedoraproject.org/rpms/perl-NTLM.git /var/lib/mock/f41-build-1287169-23295/root/chroot_tmpdir/scmroot/perl-NTLM
Cloning into '/var/lib/mock/f41-build-1287169-23295/root/chroot_tmpdir/scmroot/perl-NTLM'...
$ git fetch origin 747c6dafddcb8001693926c27f673717fce5a760:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-NTLM
 * [new ref]         747c6dafddcb8001693926c27f673717fce5a760 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 747c6da Eliminate use of obsolete %patchN syntax (#2283636)