From 1500e541f2cfab89e2fb847411e056df1e8e50fb Mon Sep 17 00:00:00 2001
From: Graham Christensen <graham@grahamc.com>
Date: Mon, 2 Jun 2025 11:13:03 -0400
Subject: [PATCH] diff-closures: use removed / added words

---
 src/nix/diff-closures.cc        | 7 ++++++-
 tests/functional/nix-profile.sh | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/nix/diff-closures.cc b/src/nix/diff-closures.cc
index ecfc907be..fa3d51ae7 100644
--- a/src/nix/diff-closures.cc
+++ b/src/nix/diff-closures.cc
@@ -97,8 +97,13 @@ void printClosureDiff(
 
         if (showDelta || !removed.empty() || !added.empty()) {
             std::vector<std::string> items;
-            if (!removed.empty() || !added.empty())
+            if (!removed.empty() && !added.empty()) {
                 items.push_back(fmt("%s → %s", showVersions(removed), showVersions(added)));
+            } else if (!removed.empty()) {
+                items.push_back(fmt("%s removed", showVersions(removed)));
+            } else if (!added.empty()) {
+                items.push_back(fmt("%s added", showVersions(added)));
+            }
             if (showDelta)
                 items.push_back(fmt("%s%+.1f KiB" ANSI_NORMAL, sizeDelta > 0 ? ANSI_RED : ANSI_GREEN, sizeDelta / 1024.0));
             logger->cout("%s%s: %s", indent, name, concatStringsSep(", ", items));
diff --git a/tests/functional/nix-profile.sh b/tests/functional/nix-profile.sh
index 7afde40a7..a96abbbdf 100755
--- a/tests/functional/nix-profile.sh
+++ b/tests/functional/nix-profile.sh
@@ -58,7 +58,7 @@ nix profile list | grep -A4 'Name:.*flake1' | grep 'Locked flake URL:.*narHash'
 [ -e $TEST_HOME/.nix-profile/share/man ]
 (! [ -e $TEST_HOME/.nix-profile/include ])
 nix profile history
-nix profile history | grep "packages.$system.default: 1.0 added"
+nix profile history | grep "packages.$system.default: 1.0, 1.0-man added"
 nix profile diff-closures | grep 'env-manifest.nix: (no version) removed'
 
 # Test XDG Base Directories support