$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-OAI.git /var/lib/mock/f40-build-2018004-46369/root/chroot_tmpdir/scmroot/perl-HTTP-OAI
Cloning into '/var/lib/mock/f40-build-2018004-46369/root/chroot_tmpdir/scmroot/perl-HTTP-OAI'...
$ git fetch origin 42ee152857ab1b965938cb2cb7d69bddf2e96e13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-OAI
 * [new ref]         42ee152857ab1b965938cb2cb7d69bddf2e96e13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42ee152 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild