$ git clone -n https://src.fedoraproject.org/rpms/kf6-kbookmarks.git /var/lib/mock/f42-build-867899-175864/root/chroot_tmpdir/scmroot/kf6-kbookmarks
Cloning into '/var/lib/mock/f42-build-867899-175864/root/chroot_tmpdir/scmroot/kf6-kbookmarks'...
$ git fetch origin 4b60d0612fb78480a07843bfc567eec1c6ba74ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kbookmarks
 * [new ref]         4b60d0612fb78480a07843bfc567eec1c6ba74ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b60d06 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild