$ git clone -n https://gitee.com/src-opencloudos-rpms/dcraw.git /var/lib/mock/dist-oc9-build-48621-14595/root/chroot_tmpdir/scmroot/dcraw
Cloning into '/var/lib/mock/dist-oc9-build-48621-14595/root/chroot_tmpdir/scmroot/dcraw'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/dcraw
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28fe771 import dcraw-9.28.0-3.tl4