$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Format-Duration.git /var/lib/mock/f45-build-22992-595/root/chroot_tmpdir/scmroot/perl-DateTime-Format-Duration
Cloning into '/var/lib/mock/f45-build-22992-595/root/chroot_tmpdir/scmroot/perl-DateTime-Format-Duration'...
$ git fetch origin 97594384eb602d9a55432438dbe7c930ef2e756c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Format-Duration
 * [new ref]         97594384eb602d9a55432438dbe7c930ef2e756c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9759438 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild