$ git clone -n http://git.inferitos.ru/rpms/ninja-build /var/lib/mock/inferit-8_8-build-27235-46213/root/chroot_tmpdir/scmroot/ninja-build
Cloning into '/var/lib/mock/inferit-8_8-build-27235-46213/root/chroot_tmpdir/scmroot/ninja-build'...
$ git fetch origin changed/i8c/ninja-build-1.8.2-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/ninja-build
 * [new tag]         changed/i8c/ninja-build-1.8.2-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab1081c edit changelog for import ninja-build-1.8.2-1.el8