$ git clone -n https://src.fedoraproject.org/rpms/boost.git /var/lib/mock/f41-build-813442-148672/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/f41-build-813442-148672/root/chroot_tmpdir/scmroot/boost'...
$ git fetch origin 8a9a6c507334fc2cbefc87cd75fa6ee870d9112d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/boost
 * [new ref]         8a9a6c507334fc2cbefc87cd75fa6ee870d9112d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a9a6c5 Rebuilt for Python 3.13