From cc3674ea93a83a7a191f5c3cb047c4f74dd60dcd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nikodem=20Rabuli=C5=84ski?= <nikodem@rabulinski.com>
Date: Fri, 17 May 2024 21:50:38 +0200
Subject: [PATCH] Accept multiple arguments to `nix flake update`

Fixes: https://git.lix.systems/lix-project/lix/issues/194

Change-Id: Ia7bd4f7640384be9827dbb7e2c594f0aa5f1aff8
---
 src/nix/flake.cc | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/nix/flake.cc b/src/nix/flake.cc
index 7b5d8096a..1648c56d0 100644
--- a/src/nix/flake.cc
+++ b/src/nix/flake.cc
@@ -87,11 +87,13 @@ public:
         expectArgs({
             .label="inputs",
             .optional=true,
-            .handler={[&](std::string inputToUpdate){
-                auto inputPath = flake::parseInputPath(inputToUpdate);
-                if (lockFlags.inputUpdates.contains(inputPath))
-                    warn("Input '%s' was specified multiple times. You may have done this by accident.");
-                lockFlags.inputUpdates.insert(inputPath);
+            .handler={[&](std::vector<std::string> inputsToUpdate) {
+                for (const auto & inputToUpdate : inputsToUpdate) {
+                    auto inputPath = flake::parseInputPath(inputToUpdate);
+                    if (lockFlags.inputUpdates.contains(inputPath))
+                        warn("Input '%s' was specified multiple times. You may have done this by accident.", inputToUpdate);
+                    lockFlags.inputUpdates.insert(inputPath);
+                }
             }},
             .completer = {[&](AddCompletions & completions, size_t, std::string_view prefix) {
                 completeFlakeInputPath(completions, getEvalState(), getFlakeRefsForCompletion(), prefix);