$ git clone -n https://src.fedoraproject.org/rpms/python-b2sdk.git /var/lib/mock/f38-build-side-42-init-devel-810367-28279/root/chroot_tmpdir/scmroot/python-b2sdk
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-810367-28279/root/chroot_tmpdir/scmroot/python-b2sdk'...
$ git fetch origin 93e6f1d21a31a3706b06af63a15b9449f08025e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-b2sdk
 * [new ref]         93e6f1d21a31a3706b06af63a15b9449f08025e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93e6f1d Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild