$ git clone -n https://github.com/xcp-ng-rpms/libdrm.git /var/lib/mock/v8.2-base-2173-1731/root/chroot_tmpdir/scmroot/libdrm
Cloning into '/var/lib/mock/v8.2-base-2173-1731/root/chroot_tmpdir/scmroot/libdrm'...
$ git reset --hard ee495d28a8c84794af10f012cc57d6fd1e794c4a
Downloading SOURCES/libdrm-2.4.83.tar.gz (515 KB)
HEAD is now at ee495d2 Rebuild against newly built kernel