$ git clone -n https://src.fedoraproject.org/rpms/golang-github-zeebo-blake3.git /var/lib/mock/f40-build-2580817-62384/root/chroot_tmpdir/scmroot/golang-github-zeebo-blake3
Cloning into '/var/lib/mock/f40-build-2580817-62384/root/chroot_tmpdir/scmroot/golang-github-zeebo-blake3'...
$ git fetch origin 94d566eca5bda9303e1374f04bb0bcf64174cc22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-zeebo-blake3
 * [new ref]         94d566eca5bda9303e1374f04bb0bcf64174cc22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94d566e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild