$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cockroachdb-logtags.git /var/lib/mock/f45-build-11802-435/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-logtags
Cloning into '/var/lib/mock/f45-build-11802-435/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-logtags'...
$ git fetch origin 6c2653337157daa3419e89cc13e305742d4a67da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cockroachdb-logtags
 * [new ref]         6c2653337157daa3419e89cc13e305742d4a67da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c26533 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild