$ git clone -n https://src.fedoraproject.org/rpms/gpx-viewer.git /var/lib/mock/f42-build-3354898-45022/root/chroot_tmpdir/scmroot/gpx-viewer
Cloning into '/var/lib/mock/f42-build-3354898-45022/root/chroot_tmpdir/scmroot/gpx-viewer'...
$ git fetch origin 8d8b453f20c9604b7ffb6b3f8e09a37ea3b2bcbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpx-viewer
 * [new ref]         8d8b453f20c9604b7ffb6b3f8e09a37ea3b2bcbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d8b453 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild