$ git clone -n https://src.fedoraproject.org/rpms/golang-github-hashicorp-serf.git /var/lib/mock/f39-build-1814748-41837/root/chroot_tmpdir/scmroot/golang-github-hashicorp-serf
Cloning into '/var/lib/mock/f39-build-1814748-41837/root/chroot_tmpdir/scmroot/golang-github-hashicorp-serf'...
$ git fetch origin 6eac54e272c2ac888dcac6f441f1262556884a21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-hashicorp-serf
 * [new ref]         6eac54e272c2ac888dcac6f441f1262556884a21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6eac54e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild