$ git clone -n http://git.inferitos.ru/rpms/boom-boot.git /var/lib/mock/inferit-9_3-bootstrap-build-21451-36856/root/chroot_tmpdir/scmroot/boom-boot
Cloning into '/var/lib/mock/inferit-9_3-bootstrap-build-21451-36856/root/chroot_tmpdir/scmroot/boom-boot'...
$ git fetch origin changed/i9c-beta/boom-boot-1.5.1-1.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/boom-boot
 * [new tag]         changed/i9c-beta/boom-boot-1.5.1-1.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fdaace import boom-boot-1.5.1-1.el9