$ git clone -n https://src.fedoraproject.org/rpms/popub.git /var/lib/mock/f40-build-795647-140214/root/chroot_tmpdir/scmroot/popub
Cloning into '/var/lib/mock/f40-build-795647-140214/root/chroot_tmpdir/scmroot/popub'...
$ git fetch origin fa8f0a71e1f92c6849364b7d5945546194b069e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/popub
 * [new ref]         fa8f0a71e1f92c6849364b7d5945546194b069e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa8f0a7 Rebuild for golang 1.22.0