$ git clone -n http://git.inferitos.ru/rpms/ghc-srpm-macros /var/lib/mock/inferit-8_8-build-13779-23060/root/chroot_tmpdir/scmroot/ghc-srpm-macros
Cloning into '/var/lib/mock/inferit-8_8-build-13779-23060/root/chroot_tmpdir/scmroot/ghc-srpm-macros'...
$ git fetch origin changed/i8c/ghc-srpm-macros-1.4.2-7.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/ghc-srpm-macros
 * [new tag]         changed/i8c/ghc-srpm-macros-1.4.2-7.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 331ebdc edit changelog for import ghc-srpm-macros-1.4.2-7.el8