$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-TimeZone-Tzfile.git /var/lib/mock/f39-build-1547418-36719/root/chroot_tmpdir/scmroot/perl-DateTime-TimeZone-Tzfile
Cloning into '/var/lib/mock/f39-build-1547418-36719/root/chroot_tmpdir/scmroot/perl-DateTime-TimeZone-Tzfile'...
$ git fetch origin 78039cb122b1fde38d772e8d692d79ca6d175bde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-TimeZone-Tzfile
 * [new ref]         78039cb122b1fde38d772e8d692d79ca6d175bde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78039cb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild