nixpkgs/pkgs/tools/misc/hdfview/0001-Hardcode-isUbuntu-false-to-avoid-hostname-dependency.patch

From e5eb394458e19ce8f8a231e8b2005c80c64fd426 Mon Sep 17 00:00:00 2001
From: Jiajie Chen <c@jia.je>
Date: Fri, 15 Jul 2022 10:13:23 +0800
Subject: [PATCH] Hardcode isUbuntu=false to avoid hostname dependency.

The original build.xml detects whether the system is ubuntu based on its
hostname, which is useless in nixpkgs and brings additional dependency.

As suggested by @risicle in #180613, we can simply hardcode isUbuntu to
false.

Signed-off-by: Jiajie Chen <c@jia.je>
---
 build.xml | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/build.xml b/build.xml
index c4f0974..15a6078 100644
--- a/build.xml
+++ b/build.xml
@@ -143,11 +143,9 @@
         </and>
     </condition>
 
-    <exec executable="hostname" outputproperty="computer.hostname"/>
-
-    <condition property="isUbuntu">
-        <contains string="${computer.hostname}" substring="ubuntu" />
-    </condition>
+    <!-- Since we do not package .deb nor .rpm files, we can safely
+        hardcode isUbuntu = false. -->
+    <property name="isUbuntu" value="false" />
 
     <!-- Build 64-bit binary.
        Note: os.arch gives the architecture of the JVM, NOT the OS;
-- 
2.36.1