$ git clone -n https://src.fedoraproject.org/rpms/gdalcpp.git /var/lib/mock/f45-build-9660-407/root/chroot_tmpdir/scmroot/gdalcpp
Cloning into '/var/lib/mock/f45-build-9660-407/root/chroot_tmpdir/scmroot/gdalcpp'...
$ git fetch origin f3a1493d7a8c3683080919b9f6b690096dc38e4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdalcpp
 * [new ref]         f3a1493d7a8c3683080919b9f6b690096dc38e4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3a1493 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild