$ git clone -n https://src.fedoraproject.org/rpms/icu.git /var/lib/mock/f31-build-72731-30891/root/chroot_tmpdir/scmroot/icu
Cloning into '/var/lib/mock/f31-build-72731-30891/root/chroot_tmpdir/scmroot/icu'...
$ git reset --hard ac4bdcc33efe9adf9441305cc98963bf886a5864
HEAD is now at ac4bdcc - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild