From 4ab24b9900d4f58c2e0589bf6d24b231924a61e6 Mon Sep 17 00:00:00 2001
From: pvdputte <pvdputte@users.noreply.github.com>
Date: Fri, 11 Oct 2024 13:19:41 +0200
Subject: [PATCH] use /etc/os-release to detect distribution and version

Will return e.g. ('debian','12').

Cfr. https://github.com/sni/Thruk/issues/1387
---
 configure | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/configure b/configure
index 2f1842a68..014013a17 100755
--- a/configure
+++ b/configure
@@ -216,6 +216,25 @@ sub _get_os {
         } else {
             die "Unable to detect distribution and version from $release_file\n";
         }
+    } elsif(-e '/etc/os-release') {
+        my $release_file = '/etc/os-release';
+        open(my $fh, '<', $release_file) or die("cannot read $release_file: $!");
+        foreach (<$fh>) {
+            if (/^ID="?(.*?)"?$/) {
+                $os = $1;
+            }
+            if (/^VERSION_ID="?(.*?)"?$/) {
+                $version = $1;
+                $version =~ s/\..*$//gmx; # we only need the major number
+            }
+        }
+        close $fh;
+
+        if ($os && $version) {
+            return($os, 0+$version);
+        } else {
+            die "Unable to detect distribution and version from $release_file\n";
+        }
     }
 
     return($os, $version);