$ git clone -n https://src.fedoraproject.org/rpms/libksane.git /var/lib/mock/f42-build-side-1-3583959-46891/root/chroot_tmpdir/scmroot/libksane
Cloning into '/var/lib/mock/f42-build-side-1-3583959-46891/root/chroot_tmpdir/scmroot/libksane'...
$ git fetch origin bfb17a26ecbc66870de23c61cba87fa76c5b3055:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libksane
 * [new ref]         bfb17a26ecbc66870de23c61cba87fa76c5b3055 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfb17a2 25.04.3