$ git clone -n https://src.fedoraproject.org/rpms/m17n-lib.git /var/lib/mock/f40-build-2296733-56411/root/chroot_tmpdir/scmroot/m17n-lib
Cloning into '/var/lib/mock/f40-build-2296733-56411/root/chroot_tmpdir/scmroot/m17n-lib'...
$ git fetch origin 5d8dab9efa9e9e513e3b84c94130bafc5f196cb5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/m17n-lib
 * [new ref]         5d8dab9efa9e9e513e3b84c94130bafc5f196cb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d8dab9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild