$ git clone -n https://src.fedoraproject.org/rpms/R-procmaps.git /var/lib/mock/f45-build-6330-347/root/chroot_tmpdir/scmroot/R-procmaps
Cloning into '/var/lib/mock/f45-build-6330-347/root/chroot_tmpdir/scmroot/R-procmaps'...
$ git fetch origin e71af48a2531dbee0a9166390f8c6b2650ff9a6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-procmaps
 * [new ref]         e71af48a2531dbee0a9166390f8c6b2650ff9a6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e71af48 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild