$ git clone -n https://src.fedoraproject.org/rpms/tcl-thread.git /var/lib/mock/f31-build-99390-33157/root/chroot_tmpdir/scmroot/tcl-thread
Cloning into '/var/lib/mock/f31-build-99390-33157/root/chroot_tmpdir/scmroot/tcl-thread'...
$ git reset --hard b5845ea8286fe6467c5b116d2b8cb8bf3e16b15d
HEAD is now at b5845ea - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild