$ git clone -n https://gitee.com/ywyw22/libtiff /var/lib/mock/dist-an8.6-build-162116-58626/root/chroot_tmpdir/scmroot/libtiff
Cloning into '/var/lib/mock/dist-an8.6-build-162116-58626/root/chroot_tmpdir/scmroot/libtiff'...
$ git reset --hard 5c1e14facfc3a8ed8a306b6963a54cc096d30202
HEAD is now at 5c1e14f  optimise spec file & add doc package