$ git clone -n https://src.fedoraproject.org/rpms/gawk-redis.git /var/lib/mock/f45-build-9643-407/root/chroot_tmpdir/scmroot/gawk-redis
Cloning into '/var/lib/mock/f45-build-9643-407/root/chroot_tmpdir/scmroot/gawk-redis'...
$ git fetch origin 46452b341d4d0e8ab35fab9fe6d60f049e2d88dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gawk-redis
 * [new ref]         46452b341d4d0e8ab35fab9fe6d60f049e2d88dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46452b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild