$ git clone -n http://git.inferitos.ru/rpms/libXext /var/lib/mock/inferit-8_8-build-14580-23060/root/chroot_tmpdir/scmroot/libXext
Cloning into '/var/lib/mock/inferit-8_8-build-14580-23060/root/chroot_tmpdir/scmroot/libXext'...
$ git fetch origin changed/i8c/libXext-1.3.4-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/libXext
 * [new tag]         changed/i8c/libXext-1.3.4-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96632d6 edit changelog for import libXext-1.3.4-1.el8