$ git clone -n https://src.fedoraproject.org/rpms/lttng-ust.git /var/lib/mock/f31-build-72614-30827/root/chroot_tmpdir/scmroot/lttng-ust
Cloning into '/var/lib/mock/f31-build-72614-30827/root/chroot_tmpdir/scmroot/lttng-ust'...
$ git reset --hard 54d6a89dcbf8d4f99b7d9fd86f7b3c29b17e6eec
HEAD is now at 54d6a89 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild