From b1dd373f5ad3fd3f5e727ff9be72c76c2f7919fa Mon Sep 17 00:00:00 2001
From: Anton Plotnikov <apl@dsx.uk>
Date: Fri, 22 Nov 2019 12:54:29 +0300
Subject: [PATCH] files: update script to support linked Nix store

---
 modules/files.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/modules/files.nix b/modules/files.nix
index ac946976f..11f899639 100644
--- a/modules/files.nix
+++ b/modules/files.nix
@@ -236,6 +236,9 @@ in
       (''
         mkdir -p $out
 
+        # Needed in case /nix is a symbolic link.
+        realOut="$(realpath -m "$out")"
+
         function insertFile() {
           local source="$1"
           local relTarget="$2"
@@ -244,10 +247,10 @@ in
 
           # Figure out the real absolute path to the target.
           local target
-          target="$(realpath -m "$out/$relTarget")"
+          target="$(realpath -m "$realOut/$relTarget")"
 
           # Target path must be within $HOME.
-          if [[ ! $target == $out* ]] ; then
+          if [[ ! $target == $realOut* ]] ; then
             echo "Error installing file '$relTarget' outside \$HOME" >&2
             exit 1
           fi