$ git clone -n https://src.fedoraproject.org/rpms/dietlibc.git /var/lib/mock/f38-build-side-42-init-devel-1356959-30700/root/chroot_tmpdir/scmroot/dietlibc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1356959-30700/root/chroot_tmpdir/scmroot/dietlibc'...
$ git fetch origin e8ece41b1b740618478f4805622b1b531f09f36c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dietlibc
 * [new ref]         e8ece41b1b740618478f4805622b1b531f09f36c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8ece41 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild