$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-DistManifest.git /var/lib/mock/f40-build-2021310-46706/root/chroot_tmpdir/scmroot/perl-Test-DistManifest
Cloning into '/var/lib/mock/f40-build-2021310-46706/root/chroot_tmpdir/scmroot/perl-Test-DistManifest'...
$ git fetch origin 2b6a8830b44c9a71a1e8d32e62ccdda2996dea93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-DistManifest
 * [new ref]         2b6a8830b44c9a71a1e8d32e62ccdda2996dea93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b6a883 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild