From a2531a588f6bffeb1d55fe5b870d1e524d90ac32 Mon Sep 17 00:00:00 2001
From: ko1N <ko1N1337@gmail.com>
Date: Tue, 10 Jun 2025 19:25:58 +0200
Subject: Fix disk usage when using lvm

---
 services/SystemUsage.qml | 40 ++++++++++++++++++++++++++++++----------
 1 file changed, 30 insertions(+), 10 deletions(-)

diff --git a/services/SystemUsage.qml b/services/SystemUsage.qml
index 1de0c57..ef953f1 100644
--- a/services/SystemUsage.qml
+++ b/services/SystemUsage.qml
@@ -97,19 +97,39 @@ Singleton {
         id: storage
 
         running: true
-        command: ["sh", "-c", "df | grep '^/dev/' | awk '{print $3, $4}'"]
+        command: ["sh", "-c", "df | grep '^/dev/' | awk '{print $1, $3, $4}'"]
         stdout: SplitParser {
             splitMarker: ""
             onRead: data => {
-                let used = 0;
-                let avail = 0;
-                for (const line of data.trim().split("\n")) {
-                    const [u, a] = line.split(" ");
-                    used += parseInt(u, 10);
-                    avail += parseInt(a, 10);
-                }
-                root.storageUsed = used;
-                root.storageTotal = used + avail;
+              const deviceMap = new Map();
+
+              for (const line of data.trim().split("\n")) {
+                  if (line.trim() === "") continue;
+
+                  const parts = line.trim().split(/\s+/);
+                  if (parts.length >= 3) {
+                      const device = parts[0];
+                      const used = parseInt(parts[1], 10) || 0;
+                      const avail = parseInt(parts[2], 10) || 0;
+                      
+                      // only keep the entry with the largest total space for each device
+                      if (!deviceMap.has(device) || 
+                          (used + avail) > (deviceMap.get(device).used + deviceMap.get(device).avail)) {
+                          deviceMap.set(device, { used: used, avail: avail });
+                      }
+                  }
+              }
+
+              let totalUsed = 0;
+              let totalAvail = 0;
+  
+              for (const [device, stats] of deviceMap) {
+                  totalUsed += stats.used;
+                  totalAvail += stats.avail;
+              }
+
+              root.storageUsed = totalUsed;
+              root.storageTotal = totalUsed + totalAvail;
             }
         }
     }
-- 
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