$ git clone -n https://src.fedoraproject.org/rpms/perl-Convert-TNEF.git /var/lib/mock/f45-build-22561-593/root/chroot_tmpdir/scmroot/perl-Convert-TNEF
Cloning into '/var/lib/mock/f45-build-22561-593/root/chroot_tmpdir/scmroot/perl-Convert-TNEF'...
$ git fetch origin f0b762685954349168296ec9134903060c22328d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Convert-TNEF
 * [new ref]         f0b762685954349168296ec9134903060c22328d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0b7626 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild