$ git clone -n https://src.fedoraproject.org/rpms/mbedtls.git /var/lib/mock/f40-build-2297072-56437/root/chroot_tmpdir/scmroot/mbedtls
Cloning into '/var/lib/mock/f40-build-2297072-56437/root/chroot_tmpdir/scmroot/mbedtls'...
$ git fetch origin 905d016ccc97bfb988ac9e4ddcb38407aeabb5a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mbedtls
 * [new ref]         905d016ccc97bfb988ac9e4ddcb38407aeabb5a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 905d016 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild