$ git clone -n http://git.inferitos.ru/rpms/btrfs-progs /var/lib/mock/inferit-10_0-extras-build-100534-187554/root/chroot_tmpdir/scmroot/btrfs-progs
Cloning into '/var/lib/mock/inferit-10_0-extras-build-100534-187554/root/chroot_tmpdir/scmroot/btrfs-progs'...
$ git fetch origin changed/i10ce/btrfs-progs-6.12-3.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/btrfs-progs
 * [new tag]         changed/i10ce/btrfs-progs-6.12-3.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65cb6f0 import btrfs-progs-6.12-3.el10