$ git clone -n https://src.fedoraproject.org/rpms/kapow.git /var/lib/mock/f39-build-1665506-40745/root/chroot_tmpdir/scmroot/kapow
Cloning into '/var/lib/mock/f39-build-1665506-40745/root/chroot_tmpdir/scmroot/kapow'...
$ git fetch origin 3e352ada3e7991ed20b4fe2d5edc1b088548c11e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kapow
 * [new ref]         3e352ada3e7991ed20b4fe2d5edc1b088548c11e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e352ad Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild