$ git clone -n https://src.fedoraproject.org/rpms/libirman.git /var/lib/mock/f45-build-16420-486/root/chroot_tmpdir/scmroot/libirman
Cloning into '/var/lib/mock/f45-build-16420-486/root/chroot_tmpdir/scmroot/libirman'...
$ git fetch origin 0eb4dc77473fb5718e1379ccaaa162acdc02adac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libirman
 * [new ref]         0eb4dc77473fb5718e1379ccaaa162acdc02adac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0eb4dc7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild