$ git clone -n https://src.fedoraproject.org/rpms/rubygem-cairo.git /var/lib/mock/f40-build-765077-123336/root/chroot_tmpdir/scmroot/rubygem-cairo
Cloning into '/var/lib/mock/f40-build-765077-123336/root/chroot_tmpdir/scmroot/rubygem-cairo'...
$ git reset --hard 1a98021c1e5d034ad8476cef895560ed667cf262
HEAD is now at 1a98021 1.17.13