$ git clone -n http://git.inferitos.ru/rpms/java-21-openjdk /var/lib/mock/inferit-9_3-bootstrap-build-22923-37914/root/chroot_tmpdir/scmroot/java-21-openjdk
Cloning into '/var/lib/mock/inferit-9_3-bootstrap-build-22923-37914/root/chroot_tmpdir/scmroot/java-21-openjdk'...
$ git fetch origin changed/i9-beta/java-21-openjdk-21.0.0.0.35-2.el9.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/java-21-openjdk
 * [new tag]         changed/i9-beta/java-21-openjdk-21.0.0.0.35-2.el9.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 792ef2e Fix BuildRequires