$ git clone -n https://src.fedoraproject.org/rpms/Macaulay2.git /var/lib/mock/f40-build-799045-142136/root/chroot_tmpdir/scmroot/Macaulay2
Cloning into '/var/lib/mock/f40-build-799045-142136/root/chroot_tmpdir/scmroot/Macaulay2'...
$ git fetch origin 0a0ed4abf77ebbfe664af7acef641dce72b69547:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Macaulay2
 * [new ref]         0a0ed4abf77ebbfe664af7acef641dce72b69547 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a0ed4a Disable ppc64le build until segfaults can be diagnosed