$ git clone -n https://src.fedoraproject.org/rpms/golang-github-rivo-uniseg.git /var/lib/mock/f45-build-12395-442/root/chroot_tmpdir/scmroot/golang-github-rivo-uniseg
Cloning into '/var/lib/mock/f45-build-12395-442/root/chroot_tmpdir/scmroot/golang-github-rivo-uniseg'...
$ git fetch origin 72d78e5906fb8e7a889c25347288fbfb130deb44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-rivo-uniseg
 * [new ref]         72d78e5906fb8e7a889c25347288fbfb130deb44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72d78e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild