$ git clone -n https://src.fedoraproject.org/rpms/plexus-components-pom.git /var/lib/mock/f42-build-3409134-45146/root/chroot_tmpdir/scmroot/plexus-components-pom
Cloning into '/var/lib/mock/f42-build-3409134-45146/root/chroot_tmpdir/scmroot/plexus-components-pom'...
$ git fetch origin 7e6c488e61def3bbae508f5f4efb2eb6ccf25f43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-components-pom
 * [new ref]         7e6c488e61def3bbae508f5f4efb2eb6ccf25f43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e6c488 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild