From e29571afc642dd4dd3388f742755f1675b3058e6 Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Date: Mon, 24 Apr 2023 12:46:22 -0400
Subject: guix-install.sh: Fix GUIX_ALLOW_OVERWRITE condition.

Before this change, the "Overwriting existing installation!" would be
displayed erroneously.

* etc/guix-install.sh (sys_create_store): Fix overwrite conditional.
---
 etc/guix-install.sh | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'etc/guix-install.sh')

diff --git a/etc/guix-install.sh b/etc/guix-install.sh
index bbb4219965..e81da7ae71 100755
--- a/etc/guix-install.sh
+++ b/etc/guix-install.sh
@@ -9,7 +9,7 @@
 # Copyright © 2020 Daniel Brooks <db48x@db48x.net>
 # Copyright © 2021 Jakub Kądziołka <kuba@kadziolka.net>
 # Copyright © 2021 Chris Marusich <cmmarusich@gmail.com>
-# Copyright © 2021, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+# Copyright © 2021, 2022, 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 # Copyright © 2022 Prafulla Giri <prafulla.giri@protonmail.com>
 # Copyright © 2023 Andrew Tropin <andrew@trop.in>
 #
@@ -353,10 +353,12 @@ sys_create_store()
 
     _debug "--- [ ${FUNCNAME[0]} ] ---"
 
-    if [[ -z $GUIX_ALLOW_OVERWRITE && (-e /var/guix || -e /gnu) ]]; then
-        die "A previous Guix installation was found.  Refusing to overwrite."
-    else
-        _msg "${WAR}Overwriting existing installation!"
+    if [[ -e /var/guix && -e /gnu ]]; then
+        if [ -n "$GUIX_ALLOW_OVERWRITE" ]; then
+            _msg "${WAR}Overwriting existing installation!"
+        else
+            die "A previous Guix installation was found.  Refusing to overwrite."
+        fi
     fi
 
     cd "$tmp_path"
-- 
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