$ git clone -n https://src.fedoraproject.org/rpms/ghc-uri.git /var/lib/mock/f40-build-776575-128929/root/chroot_tmpdir/scmroot/ghc-uri
Cloning into '/var/lib/mock/f40-build-776575-128929/root/chroot_tmpdir/scmroot/ghc-uri'...
$ git fetch origin b0ebf1e824e56a5795efbc249e239b79caecc329:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-uri
 * [new ref]         b0ebf1e824e56a5795efbc249e239b79caecc329 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0ebf1e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild