From 904ecf0b4e055dc465f5ae6574be2af8cc25dec3 Mon Sep 17 00:00:00 2001
From: Cole Mickens <cole.mickens@gmail.com>
Date: Thu, 13 Jan 2022 15:14:42 -0800
Subject: [PATCH] extlinux-conf-builder: specialisations entries

---
 .../generic-extlinux-compatible/extlinux-conf-builder.sh  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.sh b/nixos/modules/system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.sh
index 1a0da0050291..f2b281d23292 100644
--- a/nixos/modules/system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.sh
+++ b/nixos/modules/system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.sh
@@ -141,7 +141,13 @@ if [ "$numGenerations" -gt 0 ]; then
             | sort -n -r \
             | head -n $numGenerations); do
         link=/nix/var/nix/profiles/system-$generation-link
-        addEntry $link $generation
+        addEntry $link "${generation}-default"
+        for specialisation in $(
+            ls /nix/var/nix/profiles/system-$generation-link/specialisation \
+            | sort -n -r); do
+            link=/nix/var/nix/profiles/system-$generation-link/specialisation/$specialisation
+            addEntry $link "${generation}-${specialisation}"
+        done
     done >> $tmpFile
 fi