$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cespare-xxhash.git /var/lib/mock/f39-build-1503727-34984/root/chroot_tmpdir/scmroot/golang-github-cespare-xxhash
Cloning into '/var/lib/mock/f39-build-1503727-34984/root/chroot_tmpdir/scmroot/golang-github-cespare-xxhash'...
$ git fetch origin a1b12881861613bfb6637e20548503d6978c4387:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cespare-xxhash
 * [new ref]         a1b12881861613bfb6637e20548503d6978c4387 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1b1288 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild