$ git clone -n https://src.fedoraproject.org/rpms/perl-Convert-BinHex.git /var/lib/mock/f39-build-1440006-32302/root/chroot_tmpdir/scmroot/perl-Convert-BinHex
Cloning into '/var/lib/mock/f39-build-1440006-32302/root/chroot_tmpdir/scmroot/perl-Convert-BinHex'...
$ git fetch origin 7e48cf0a7ca1937ba706e1318bcd5714329269b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Convert-BinHex
 * [new ref]         7e48cf0a7ca1937ba706e1318bcd5714329269b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e48cf0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild