From 93752a83ea56efab7dcd14c77fe64c1d49a947ce Mon Sep 17 00:00:00 2001
From: Martin Hardselius <martin@hardselius.dev>
Date: Sun, 21 Mar 2021 23:54:10 +0100
Subject: [PATCH 1/3] Fix nix flake info error

Fixes "error: 'info' is not a recognised command'"

Issue: #307
---
 pkgs/nix-tools/darwin-rebuild.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/nix-tools/darwin-rebuild.sh b/pkgs/nix-tools/darwin-rebuild.sh
index 6a1c4a92..8df59e0c 100644
--- a/pkgs/nix-tools/darwin-rebuild.sh
+++ b/pkgs/nix-tools/darwin-rebuild.sh
@@ -126,7 +126,7 @@ if [ -n "$flake" ]; then
 fi
 
 if [ -n "$flake" ]; then
-    flake=$(nix "${flakeFlags[@]}" flake info --json "${extraBuildFlags[@]}" "${extraLockFlags[@]}" -- "$flake" | jq -r .url)
+    flake=$(nix "${flakeFlags[@]}" flake metadata --json "${extraBuildFlags[@]}" "${extraLockFlags[@]}" -- "$flake" | jq -r .url)
 fi
 
 if [ "$action" != build ] && [ -z "$flake" ]; then

From 41875198203fe58aedc7e7ef63fc5a50bb46e9c1 Mon Sep 17 00:00:00 2001
From: Martin Hardselius <martin@hardselius.dev>
Date: Mon, 22 Mar 2021 20:58:51 +0100
Subject: [PATCH 2/3] Make nix flake info fix backwards compatible

This change handles previous nix versions by testing for the presence of
the `metadata` subcommand and falling back on the `info` subcommand if
it does not exist.
---
 pkgs/nix-tools/darwin-rebuild.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkgs/nix-tools/darwin-rebuild.sh b/pkgs/nix-tools/darwin-rebuild.sh
index 8df59e0c..33602bfe 100644
--- a/pkgs/nix-tools/darwin-rebuild.sh
+++ b/pkgs/nix-tools/darwin-rebuild.sh
@@ -126,7 +126,13 @@ if [ -n "$flake" ]; then
 fi
 
 if [ -n "$flake" ]; then
-    flake=$(nix "${flakeFlags[@]}" flake metadata --json "${extraBuildFlags[@]}" "${extraLockFlags[@]}" -- "$flake" | jq -r .url)
+    if nix flake metadata &>/dev/null; then
+        cmd=metadata
+    else
+        cmd=info
+    fi
+
+    flake=$(nix "${flakeFlags[@]}" flake "$cmd" --json "${extraBuildFlags[@]}" "${extraLockFlags[@]}" -- "$flake" | jq -r .url)
 fi
 
 if [ "$action" != build ] && [ -z "$flake" ]; then

From 1f8eb9b128f9afcf84c521729d8a6b4ea5b59b91 Mon Sep 17 00:00:00 2001
From: Martin Hardselius <martin@hardselius.dev>
Date: Tue, 23 Mar 2021 09:49:47 +0100
Subject: [PATCH 3/3] Add nix flags to subcommand test

This change removes the need for having

  experimental-features = nix-command flakes

in nix.conf. It should also work outside of flake directories.
---
 pkgs/nix-tools/darwin-rebuild.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/nix-tools/darwin-rebuild.sh b/pkgs/nix-tools/darwin-rebuild.sh
index 33602bfe..3b4fb08f 100644
--- a/pkgs/nix-tools/darwin-rebuild.sh
+++ b/pkgs/nix-tools/darwin-rebuild.sh
@@ -126,7 +126,7 @@ if [ -n "$flake" ]; then
 fi
 
 if [ -n "$flake" ]; then
-    if nix flake metadata &>/dev/null; then
+    if nix "${flakeFlags[@]}" flake metadata --version &>/dev/null; then
         cmd=metadata
     else
         cmd=info