$ git clone -n https://src.fedoraproject.org/rpms/scorchwentbonkers.git /var/lib/mock/f39-build-1577391-37963/root/chroot_tmpdir/scmroot/scorchwentbonkers
Cloning into '/var/lib/mock/f39-build-1577391-37963/root/chroot_tmpdir/scmroot/scorchwentbonkers'...
$ git fetch origin 6e7d4cafdbcd899a4682311d173bb26c3749ae24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scorchwentbonkers
 * [new ref]         6e7d4cafdbcd899a4682311d173bb26c3749ae24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e7d4ca Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild