wip: refactor(script): Factor-out common code

scripts/fetch_binary.d

@@ -12,11 +12,9 @@ import std.stdio : stdout, stderr;
 import std.string : strip;
 import std.typecons : tuple;
 
+import utils;
+
 enum Compiler { dmd, ldc };
-alias Version = string;
-alias Platform = string;
-alias Hash = string;
-alias Url = string;
 
 alias UrlFormatter = Url function(Platform platform, Version compilerVersion);
 
@@ -123,21 +121,3 @@ void main(string[] args) {
         hashes.JSONValue.toPrettyString(JSONOptions.doNotEscapeSlashes)
     );
 }
-
-Hash prefech(bool dryRun, Url url) =>
-    executeCommand(
-        dryRun,
-        `nix store prefetch-file --json "%s" | jq -r '.hash'`
-            .format(url)
-    ).strip;
-
-string executeCommand(bool dryRun, string command) {
-    stderr.writefln(`> %s`, command);
-    if (dryRun) return null;
-    const result = executeShell(
-      command,
-      null,
-      Config.stderrPassThrough,
-    );
-    return result.status == 0 ? result.output : null;
-}

scripts/update.d

@@ -1,4 +1,5 @@
 #!/usr/bin/env dub
+
 /+ dub.sdl:
     name "update-nix-inputs"
     dependency "semver" version="~>0.3.4"

scripts/utils.d

@@ -0,0 +1,28 @@
+import std.format : format;
+import std.process : executeShell, Config;
+import std.string : strip;
+import std.stdio : stderr;
+
+alias Version = string;
+alias Platform = string;
+alias Hash = string;
+alias Url = string;
+
+Hash prefech(bool dryRun, Url url) =>
+    executeCommand(
+        dryRun,
+        `nix store prefetch-file --json "%s" | jq -r '.hash'`
+            .format(url)
+    ).strip;
+
+
+string executeCommand(bool dryRun, string command) {
+    stderr.writefln(`> %s`, command);
+    if (dryRun) return null;
+    const result = executeShell(
+      command,
+      null,
+      Config.stderrPassThrough,
+    );
+    return result.status == 0 ? result.output : null;
+}