$ git clone -n https://src.fedoraproject.org/rpms/xcompmgr.git /var/lib/mock/f31-build-71240-30599/root/chroot_tmpdir/scmroot/xcompmgr
Cloning into '/var/lib/mock/f31-build-71240-30599/root/chroot_tmpdir/scmroot/xcompmgr'...
$ git reset --hard c4b7cdf60d01f16a2f0e668c9714e44d02630996
HEAD is now at c4b7cdf - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild