$ git clone -n http://git.inferitos.ru/rpms/btrfs-progs /var/lib/mock/inferit-9_4-extras-build-54069-112159/root/chroot_tmpdir/scmroot/btrfs-progs
Cloning into '/var/lib/mock/inferit-9_4-extras-build-54069-112159/root/chroot_tmpdir/scmroot/btrfs-progs'...
$ git fetch origin changed/i9ce/btrfs-progs-6.8.1-1.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/btrfs-progs
 * [new tag]         changed/i9ce/btrfs-progs-6.8.1-1.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19d0171 import btrfs-progs-6.8.1-1.el9