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rootfs: remove temporary apt sources before image creation #205

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Merged
Keerthi Gowda (keerthi-go) merged 2 commits into from
Jul 29, 2026
Merged

rootfs: remove temporary apt sources before image creation #205

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52b5860
rootfs: remove temporary apt sources before image creation
keerthi-go Jul 23, 2026
822af7b
rootfs: clean up local-debs repo and apt caches from final image
keerthi-go Jul 27, 2026
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26 changes: 26 additions & 0 deletions rootfs/scripts/build-rootfs.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -709,6 +709,32 @@ umount -l "$ROOTFS_DIR/dev"
umount -l "$ROOTFS_DIR/sys"
umount -l "$ROOTFS_DIR/proc"

# ==============================================================================
# Step 9.5: Remove build-only apt sources and caches from final image
# - build-only sources declared in the overlay manifest ("build-only": true)
# - local .deb repo created for --local-debs
# - apt indices and downloads cached during the build
# ==============================================================================
if [[ "$USE_MANIFEST" -eq 1 && -n "$MANIFEST" ]]; then
jq -c '.apt_sources[]? | select(."build-only" == true)' "$MANIFEST" | while read -r row; do
NAME=$(echo "$row" | jq -r '.name // "customrepo"')
SOURCE_LIST="$ROOTFS_DIR/etc/apt/sources.list.d/${NAME}.list"
if [[ -f "$SOURCE_LIST" ]]; then
rm -f "$SOURCE_LIST"
echo "[INFO] Removed build-only apt source from final image: ${NAME}"
fi
done
fi

if [[ -f "$ROOTFS_DIR/etc/apt/sources.list.d/local-debs.list" ]]; then
rm -f "$ROOTFS_DIR/etc/apt/sources.list.d/local-debs.list"
rm -rf "$ROOTFS_DIR/opt/local-debs"
echo "[INFO] Removed local-debs apt repo from final image"
fi

rm -rf "$ROOTFS_DIR/var/lib/apt/lists/"*
rm -f "$ROOTFS_DIR/var/cache/apt/archives/"*.deb

# ==============================================================================
# Step 10: Create ext4 rootfs image and write contents
# ==============================================================================
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