$ git clone -n https://src.fedoraproject.org/rpms/beust-jcommander.git /var/lib/mock/f38-build-side-42-init-devel-672654-26681/root/chroot_tmpdir/scmroot/beust-jcommander
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-672654-26681/root/chroot_tmpdir/scmroot/beust-jcommander'...
$ git fetch origin a103e47591c93695c04b9249691ec789799dbf64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/beust-jcommander
 * [new ref]         a103e47591c93695c04b9249691ec789799dbf64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a103e47 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild