$ git clone -n http://git.inferitos.ru/rpms/ecj /var/lib/mock/inferit-9_4-bootstrap-build-41892-81251/root/chroot_tmpdir/scmroot/ecj
Cloning into '/var/lib/mock/inferit-9_4-bootstrap-build-41892-81251/root/chroot_tmpdir/scmroot/ecj'...
$ git fetch origin changed/i9c/ecj-4.20-16.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/ecj
 * [new tag]         changed/i9c/ecj-4.20-16.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4a9450 import ecj-4.20-16.el9