$ git clone -n https://src.fedoraproject.org/rpms/golang-gioui.git /var/lib/mock/f39-build-1508008-35328/root/chroot_tmpdir/scmroot/golang-gioui
Cloning into '/var/lib/mock/f39-build-1508008-35328/root/chroot_tmpdir/scmroot/golang-gioui'...
$ git fetch origin cf1933932c0498098eed688d0cacc7b9593eef32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gioui
 * [new ref]         cf1933932c0498098eed688d0cacc7b9593eef32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf19339 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild