$ git clone -n https://src.fedoraproject.org/rpms/libksane.git /var/lib/mock/f40-build-1855947-24984/root/chroot_tmpdir/scmroot/libksane
Cloning into '/var/lib/mock/f40-build-1855947-24984/root/chroot_tmpdir/scmroot/libksane'...
$ git fetch origin ca26273db64b4b4fc3fdf9377157a0f2eebb120c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libksane
 * [new ref]         ca26273db64b4b4fc3fdf9377157a0f2eebb120c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca26273 Fix libksane-qt6-devel dependencies