$ git clone -n https://src.fedoraproject.org/rpms/golang-github-emersion-mbox.git /var/lib/mock/f40-build-2584497-62405/root/chroot_tmpdir/scmroot/golang-github-emersion-mbox
Cloning into '/var/lib/mock/f40-build-2584497-62405/root/chroot_tmpdir/scmroot/golang-github-emersion-mbox'...
$ git fetch origin 7202045a5e2818e3732d0a33610591c3309403cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-emersion-mbox
 * [new ref]         7202045a5e2818e3732d0a33610591c3309403cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7202045 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild