From bcbf7c6c9fc7d8a96b1d5c4cc9247b85fe3da2ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C3=81LI=20G=C3=A1bor=20J=C3=A1nos?= <pali.gabor@gmail.com>
Date: Sun, 10 Apr 2022 18:17:21 +0200
Subject: Move towards custom packages.

Change the build image process in a way that custom-built packages
can be utilized.  This means a simpler `Makefile` since every
modification is implemented on the level of packages.  Include the
sources for every customized package.
---
 aports/busybox/persistent-storage | 68 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 aports/busybox/persistent-storage

(limited to 'aports/busybox/persistent-storage')

diff --git a/aports/busybox/persistent-storage b/aports/busybox/persistent-storage
new file mode 100644
index 0000000..ea68948
--- /dev/null
+++ b/aports/busybox/persistent-storage
@@ -0,0 +1,68 @@
+#!/bin/sh
+
+symlink_action() {
+	case "$ACTION" in
+		add) ln -sf "$1" "$2";;
+		remove) rm -f "$2";;
+	esac
+}
+
+# cdrom symlink
+case "$MDEV" in
+	sr*|xvd*)
+		caps="$(cat /sys/block/$MDEV/capability 2>/dev/null)"
+		if [ $(( 0x${caps:-0} & 8 )) -gt 0 ]; then
+			symlink_action $MDEV cdrom
+		fi
+esac
+
+# by-id symlinks
+mkdir -p disk/by-id
+
+partition=$(cat /sys/class/block/$MDEV/partition 2>/dev/null)
+case "$partition" in
+	[0-9]*) partsuffix="-part$partition";;
+esac
+
+wwid=$(cat /sys/class/block/$MDEV/wwid 2>/dev/null)
+: ${wwid:=$(cat /sys/class/block/$MDEV/device/wwid 2>/dev/null)}
+
+if [ -n "$wwid" ]; then
+	case "$MDEV" in
+		nvme*) symlink_action ../../$MDEV disk/by-id/nvme-${wwid}${partsuffix};;
+	esac
+	case "$wwid" in
+		naa.*) symlink_action ../../$MDEV disk/by-id/wwn-0x${wwid#naa.};;
+	esac
+fi
+
+serial=$(sed -E -e 's/^\s+//' -e 's/\s+$//' -e 's/ /_/g' \
+	/sys/class/block/$MDEV/device/serial 2>/dev/null)
+
+model=$(sed -E -e 's/^\s+//' -e 's/\s+$//' -e 's/ /_/g' \
+	/sys/class/block/$MDEV/device/model 2>/dev/null)
+
+if [ -n "$serial" ] && [ -n "$model" ]; then
+	case "$MDEV" in
+		nvme*) symlink_action ../../$MDEV disk/by-id/nvme-${model}_${serial}${partsuffix};;
+	esac
+fi
+
+# virtio-blk
+if [ -n "$serial" ]; then
+	case "$MDEV" in
+		vd*) symlink_action ../../$MDEV disk/by-id/virtio-${serial}${partsuffix};;
+	esac
+fi
+
+# by-uuid, by-partuuid
+eval $(blkid /dev/$MDEV | cut -d: -f2-)
+if [ -n "$UUID" ]; then
+	mkdir -p disk/by-uuid
+	symlink_action ../../$MDEV disk/by-uuid/$UUID
+fi
+if [ -n "$PARTUUID" ]; then
+	mkdir -p disk/by-partuuid
+	symlink_action ../../$MDEV disk/by-partuuid/$PARTUUID
+fi
+
-- 
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