$ git clone -n https://src.fedoraproject.org/rpms/python-ephyviewer.git /var/lib/mock/f38-build-side-42-init-devel-1083721-29950/root/chroot_tmpdir/scmroot/python-ephyviewer
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1083721-29950/root/chroot_tmpdir/scmroot/python-ephyviewer'...
$ git fetch origin 666348cb83ce7f4a1e3253616ae403d309e9cea6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ephyviewer
 * [new ref]         666348cb83ce7f4a1e3253616ae403d309e9cea6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 666348c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild