$ git clone -n https://src.fedoraproject.org/rpms/dvgrab.git /var/lib/mock/f40-build-763304-122467/root/chroot_tmpdir/scmroot/dvgrab
Cloning into '/var/lib/mock/f40-build-763304-122467/root/chroot_tmpdir/scmroot/dvgrab'...
$ git fetch origin a394b75cd70ccf1bbaff416cd739720bbedfe8f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dvgrab
 * [new ref]         a394b75cd70ccf1bbaff416cd739720bbedfe8f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a394b75 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild