$ git clone -n https://src.fedoraproject.org/rpms/mbedtls3.6.git /var/lib/mock/f42-build-side-1-3589320-46957/root/chroot_tmpdir/scmroot/mbedtls3.6
Cloning into '/var/lib/mock/f42-build-side-1-3589320-46957/root/chroot_tmpdir/scmroot/mbedtls3.6'...
$ git fetch origin 7722601118f7a58d5a49260c9b56d1de1c8d72b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mbedtls3.6
 * [new ref]         7722601118f7a58d5a49260c9b56d1de1c8d72b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7722601 Provided by package "mbedtls" version 3.6.x