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bee/iso/builder/config/hooks/normal/9999-slim.hook.chroot
T
mchusandClaude Sonnet 5 9c5c29239c fix(iso): let empty directories survive the squashfs layer split
bee_layer_classify only ever tracked regular files and symlinks
(`find ... -type f -o -type l`), so any directory that is empty at
build time — like /var/log/nvidia-dcgm, correctly created and chowned
by the datacenter-gpu-manager postinst — was silently dropped from
every layer's rsync --files-from list and never reached the built
ISO. This is why bbc6fb1's 78d1b9b follow-up (seeding a marker file
just for that one path) kept the directory alive: it was a targeted
workaround for a general gap in the classifier, not a fix of it.

Replace that workaround with the general mechanism: classify also
walks every directory, computes the subset that is empty all the way
down (no file or symlink anywhere in its subtree — a directory that
does hold files needs no entry, rsync already recreates it as an
implied parent), and assigns each one to a layer via the same
dpkg-ownership / injected-rule precedence used for files. Add an
injected rule routing /var/log/nvidia-dcgm to 20-nvidia-platform,
alongside the DCGM binaries that actually use it, instead of letting
it fall through to base by default.

bee_layer_build folds each layer's empty-dir list into the same
rsync --files-from call; recursion into a directory that is
by-construction empty copies nothing extra. Revert the 9000/9999 hook
changes from 78d1b9b now that they're redundant, and cover the new
path with test-squashfs-layers.sh (ruled, unruled, and nested-empty
directories, asserted present in the merged rootfs after a real
mksquashfs/unsquashfs round-trip).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-12 16:19:36 +03:00

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#!/bin/sh
# 9999-slim.hook.chroot — strip non-essential files to reduce squashfs size.
set -e
# ── Man pages and documentation ───────────────────────────────────────────────
find /usr/share/man -mindepth 1 -delete 2>/dev/null || true
find /usr/share/doc -mindepth 1 ! -name 'copyright' -delete 2>/dev/null || true
find /usr/share/info -mindepth 1 -delete 2>/dev/null || true
find /usr/share/groff -mindepth 1 -delete 2>/dev/null || true
find /usr/share/lintian -mindepth 1 -delete 2>/dev/null || true
# ── Locales — keep only C and en_US ──────────────────────────────────────────
find /usr/share/locale -mindepth 1 -maxdepth 1 \
! -name 'en' ! -name 'en_US' ! -name 'locale.alias' \
-exec rm -rf {} + 2>/dev/null || true
find /usr/share/i18n/locales -mindepth 1 \
! -name 'en_US' ! -name 'i18n' ! -name 'iso14651_t1' ! -name 'iso14651_t1_common' \
-delete 2>/dev/null || true
# ── Python cache ──────────────────────────────────────────────────────────────
find /usr /opt -name '__pycache__' -type d -exec rm -rf {} + 2>/dev/null || true
find /usr /opt -name '*.pyc' -delete 2>/dev/null || true
# ── APT cache and lists ───────────────────────────────────────────────────────
apt-get clean
rm -rf /var/lib/apt/lists/*
# ── Misc ──────────────────────────────────────────────────────────────────────
rm -rf /tmp/* /var/tmp/* 2>/dev/null || true
find /var/log -type f -delete 2>/dev/null || true
echo "=== slim: done ==="