$ git clone -n https://src.fedoraproject.org/rpms/PyMca.git /var/lib/mock/f40-build-2435830-60791/root/chroot_tmpdir/scmroot/PyMca
Cloning into '/var/lib/mock/f40-build-2435830-60791/root/chroot_tmpdir/scmroot/PyMca'...
$ git fetch origin 49ad31867f96e3670aefafccf83d40b8eaba4e44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PyMca
 * [new ref]         49ad31867f96e3670aefafccf83d40b8eaba4e44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49ad318 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild