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-rw-r--r--src/nix-env/main.cc10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/nix-env/main.cc b/src/nix-env/main.cc
index cf4ac8fc4a7b..213082bdc7df 100644
--- a/src/nix-env/main.cc
+++ b/src/nix-env/main.cc
@@ -465,9 +465,17 @@ static void opUninstall(Globals & globals,
 }
 
 
+static bool cmpChars(char a, char b)
+{
+    return toupper(a) < toupper(b);
+}
+
+
 static bool cmpDrvByName(const DrvInfo & a, const DrvInfo & b)
 {
-    return a.name < b.name;
+    return lexicographical_compare(
+        a.name.begin(), a.name.end(),
+        b.name.begin(), b.name.end(), cmpChars);
 }