$ git clone -n https://src.fedoraproject.org/rpms/proxmark3.git /var/lib/mock/f42-build-863104-171404/root/chroot_tmpdir/scmroot/proxmark3
Cloning into '/var/lib/mock/f42-build-863104-171404/root/chroot_tmpdir/scmroot/proxmark3'...
$ git fetch origin 7a093a442bfd7722612f4c6b0886c44df8b7f467:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/proxmark3
 * [new ref]         7a093a442bfd7722612f4c6b0886c44df8b7f467 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a093a4 Bump to 4.19552