$ git clone -n https://gitee.com/src-opencloudos-rpms/giflib.git /var/lib/mock/dist-oc9-build-100929-65255/root/chroot_tmpdir/scmroot/giflib
Cloning into '/var/lib/mock/dist-oc9-build-100929-65255/root/chroot_tmpdir/scmroot/giflib'...
$ git fetch origin e7076f26237f9abd3d5a0bdb2298c6d9505beee2:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/giflib
 * [new ref]         e7076f26237f9abd3d5a0bdb2298c6d9505beee2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7076f2 import giflib-5.2.1-9.tl4