$ git clone -n http://git.inferitos.ru/rpms/gcc-toolset-12 /var/lib/mock/inferit-9_4-aarch64-bootstrap-build-60980-127529/root/chroot_tmpdir/scmroot/gcc-toolset-12
Cloning into '/var/lib/mock/inferit-9_4-aarch64-bootstrap-build-60980-127529/root/chroot_tmpdir/scmroot/gcc-toolset-12'...
$ git fetch origin changed/i9c/gcc-toolset-12-12.0-6.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gcc-toolset-12
 * [new tag]         changed/i9c/gcc-toolset-12-12.0-6.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ec2984 import gcc-toolset-12-12.0-6.el9