From 7fc5fa11d555b069fa0ac29f4049c7da15feaa2b Mon Sep 17 00:00:00 2001
From: Harald Sitter <sitter@kde.org>
Date: Sun, 17 Mar 2024 23:43:50 +0100
Subject: [PATCH] overlay: add support for locale directory

inconveniently locales are in /usr/lib/locale rather than var.
selectively overlay it with a subvolume
---
 mkosi.extra/usr/bin/_calamares@subvol | 1 +
 mkosi.extra/usr/bin/_kdeos-overlay    | 3 +++
 mkosi.repart/50-root.conf             | 3 +++
 3 files changed, 7 insertions(+)

diff --git a/mkosi.extra/usr/bin/_calamares@subvol b/mkosi.extra/usr/bin/_calamares@subvol
index 307089e..9069f1c 100755
--- a/mkosi.extra/usr/bin/_calamares@subvol
+++ b/mkosi.extra/usr/bin/_calamares@subvol
@@ -28,6 +28,7 @@ cd "$tmpdir"
 rm -rfv ./*
 btrfs send "/system/@kdeos_$IMAGE_VERSION" | btrfs receive .
 btrfs subvolume create @home
+btrfs subvolume create @locale
 btrfs subvolume create @snap
 btrfs subvolume create @var-overlay
 btrfs subvolume create @etc-overlay
diff --git a/mkosi.extra/usr/bin/_kdeos-overlay b/mkosi.extra/usr/bin/_kdeos-overlay
index 26ca67c..b4dd9d6 100755
--- a/mkosi.extra/usr/bin/_kdeos-overlay
+++ b/mkosi.extra/usr/bin/_kdeos-overlay
@@ -27,6 +27,9 @@ mount -v \
 mount -v \
     -o rw,subvol=@home \
     "$rootdisk" "${sysroot}/home"
+mount -v \
+    -o rw,subvol=@locale \
+    "$rootdisk" "${sysroot}/usr/lib/locale"
 mount -v \
     -o rw,subvol=@snap \
     "$rootdisk" "${sysroot}/snap"
diff --git a/mkosi.repart/50-root.conf b/mkosi.repart/50-root.conf
index 9037751..79de5dd 100644
--- a/mkosi.repart/50-root.conf
+++ b/mkosi.repart/50-root.conf
@@ -13,6 +13,9 @@ SplitName=root
 Subvolumes=/@home
 MakeDirectories=/@home
 
+Subvolumes=/@locale
+MakeDirectories=/@locale
+
 Subvolumes=/@snap
 MakeDirectories=/@snap