$ git clone -n https://src.fedoraproject.org/rpms/python3.7.git /var/lib/mock/f33-build-325136-58008/root/chroot_tmpdir/scmroot/python3.7
Cloning into '/var/lib/mock/f33-build-325136-58008/root/chroot_tmpdir/scmroot/python3.7'...
$ git reset --hard 30cb0d0dd84750aa4f5b9daf92aab4a03ede64bd
HEAD is now at 30cb0d0 In sys.version and initial REPL message, list the source commit as "default"