$ git clone -n https://src.fedoraproject.org/rpms/restview.git /var/lib/mock/f39-build-1635394-39854/root/chroot_tmpdir/scmroot/restview
Cloning into '/var/lib/mock/f39-build-1635394-39854/root/chroot_tmpdir/scmroot/restview'...
$ git fetch origin 31fd0cf7e35829fa5644bf0d50cae1b4cf8bf2d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/restview
 * [new ref]         31fd0cf7e35829fa5644bf0d50cae1b4cf8bf2d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31fd0cf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild