$ git clone -n https://src.fedoraproject.org/rpms/golang-github-sacloud-libsacloud.git /var/lib/mock/f38-build-side-42-init-devel-732240-27503/root/chroot_tmpdir/scmroot/golang-github-sacloud-libsacloud
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-732240-27503/root/chroot_tmpdir/scmroot/golang-github-sacloud-libsacloud'...
$ git fetch origin 5651a1f6b5aa6fa0c28829ece81b38311f68283b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-sacloud-libsacloud
 * [new ref]         5651a1f6b5aa6fa0c28829ece81b38311f68283b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5651a1f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild