Fixup support for Nix 2.23.0 and later

dist/index.js

@@ -95086,8 +95086,13 @@ function makeNixCommandArgs(nixOptions, flakeInputs, commitMessage) {
     "--update-input",
     input
   ]);
+  const lockfileSummaryFlags = [
+    "--option",
+    "commit-lockfile-summary",
+    commitMessage
+  ];
   const updateLockMechanism = flakeInputFlags.length === 0 ? "update" : "lock";
-  return nixOptions.concat(["flake", updateLockMechanism]).concat(flakeInputFlags).concat(["--commit-lock-file", "--commit-lockfile-summary", commitMessage]);
+  return nixOptions.concat(["flake", updateLockMechanism]).concat(flakeInputFlags).concat(["--commit-lock-file"]).concat(lockfileSummaryFlags);
 }
 
 // src/index.ts

src/nix.test.ts

@@ -24,7 +24,8 @@ test("Nix command arguments", () => {
         "flake",
         "update",
         "--commit-lock-file",
-        "--commit-lockfile-summary",
+        "--option",
+        "commit-lockfile-summary",
         "just testing",
       ],
     },
@@ -42,7 +43,8 @@ test("Nix command arguments", () => {
         "--update-input",
         "rust-overlay",
         "--commit-lock-file",
-        "--commit-lockfile-summary",
+        "--option",
+        "commit-lockfile-summary",
         "just testing",
       ],
     },
@@ -57,7 +59,8 @@ test("Nix command arguments", () => {
         "flake",
         "update",
         "--commit-lock-file",
-        "--commit-lockfile-summary",
+        "--option",
+        "commit-lockfile-summary",
         "just testing",
       ],
     },

src/nix.ts

@@ -9,10 +9,23 @@ export function makeNixCommandArgs(
     input,
   ]);
 
+  // NOTE(cole-h): In Nix versions 2.23.0 and later, `commit-lockfile-summary` became an alias to
+  // the setting `commit-lock-file-summary` (https://github.com/NixOS/nix/pull/10691), and Nix does
+  // not treat aliases the same as their "real" setting by requiring setting aliases to be
+  // configured via `--option <alias name> <option value>`
+  // (https://github.com/NixOS/nix/issues/10989).
+  // So, we go the long way so that we can support versions both before and after Nix 2.23.0.
+  const lockfileSummaryFlags = [
+    "--option",
+    "commit-lockfile-summary",
+    commitMessage,
+  ];
+
   const updateLockMechanism = flakeInputFlags.length === 0 ? "update" : "lock";
 
   return nixOptions
     .concat(["flake", updateLockMechanism])
     .concat(flakeInputFlags)
-    .concat(["--commit-lock-file", "--commit-lockfile-summary", commitMessage]);
+    .concat(["--commit-lock-file"])
+    .concat(lockfileSummaryFlags);
 }