$ git clone -n https://github.com/xcp-ng-rpms/libdrm.git /var/lib/mock/v8.3-base-3837-3789/root/chroot_tmpdir/scmroot/libdrm
Cloning into '/var/lib/mock/v8.3-base-3837-3789/root/chroot_tmpdir/scmroot/libdrm'...
$ git reset --hard 7ba06d94206c1ee51e95a6b0157c38816902bcf0
Downloading SOURCES/libdrm-2.4.83.tar.gz (515 KB)
HEAD is now at 7ba06d9 Merge branch 'XS-8.3'