$ git clone -n https://src.fedoraproject.org/rpms/arc-theme.git /var/lib/mock/f38-build-side-42-init-devel-594655-26158/root/chroot_tmpdir/scmroot/arc-theme
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-594655-26158/root/chroot_tmpdir/scmroot/arc-theme'...
$ git fetch origin 8c95b176530cf8bf2e918d870aaacd8a3ebfe786:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arc-theme
 * [new ref]         8c95b176530cf8bf2e918d870aaacd8a3ebfe786 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c95b17 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild