$ git clone -n https://src.fedoraproject.org/rpms/libgcroots.git /var/lib/mock/f33-build-291476-54701/root/chroot_tmpdir/scmroot/libgcroots
Cloning into '/var/lib/mock/f33-build-291476-54701/root/chroot_tmpdir/scmroot/libgcroots'...
$ git reset --hard c5b2ea419df1732a0024e9be3e6715ec1a21d3b4
HEAD is now at c5b2ea4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild