$ git clone -n https://src.fedoraproject.org/rpms/python-ast-monitor.git /var/lib/mock/f39-build-1742826-41369/root/chroot_tmpdir/scmroot/python-ast-monitor
Cloning into '/var/lib/mock/f39-build-1742826-41369/root/chroot_tmpdir/scmroot/python-ast-monitor'...
$ git fetch origin 12dad497eb4a05d70d8875632192bde1c57ca294:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ast-monitor
 * [new ref]         12dad497eb4a05d70d8875632192bde1c57ca294 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12dad49 Update to 0.4.2