$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-generic-lib.git /var/lib/mock/v8.1-base-1857-1268/root/chroot_tmpdir/scmroot/xcp-ng-generic-lib
Cloning into '/var/lib/mock/v8.1-base-1857-1268/root/chroot_tmpdir/scmroot/xcp-ng-generic-lib'...
$ git reset --hard 57d78c2d653ca84c3b1446142c01ea2a01813bbf
Downloading SOURCES/xcp-ng-generic-lib-1.1.1.tar.gz (22 KB)
HEAD is now at 57d78c2 Rebuild for XCP-ng 8.1