$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Run-CmdLine.git /var/lib/mock/f41-build-side-1-2781898-32532/root/chroot_tmpdir/scmroot/perl-Test-Run-CmdLine
Cloning into '/var/lib/mock/f41-build-side-1-2781898-32532/root/chroot_tmpdir/scmroot/perl-Test-Run-CmdLine'...
$ git fetch origin 9dc8547b316cb55987a9c063509665f2ea0f03ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Run-CmdLine
 * [new ref]         9dc8547b316cb55987a9c063509665f2ea0f03ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dc8547 convert license to SPDX