From 0ca2a9b9bad8e91c6d54b7d52f4817a3667c51fb Mon Sep 17 00:00:00 2001
From: Christopher Vagnetoft <labs@noccy.com>
Date: Fri, 9 Jan 2026 16:53:33 +0100
Subject: [PATCH] Add support for building specific version

* Improve version resolution logic.
* Allow providing a specific version when building package.
---
 src/Command/PackageBuildCommand.php |  6 +++++-
 src/Project/ProjectInfo.php         | 23 +++++++++++++++++------
 2 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/src/Command/PackageBuildCommand.php b/src/Command/PackageBuildCommand.php
index 357b314..45213aa 100644
--- a/src/Command/PackageBuildCommand.php
+++ b/src/Command/PackageBuildCommand.php
@@ -11,6 +11,7 @@ use NoccyLabs\Composer\PackagePlugin\Project\ProjectInfo;
 use NoccyLabs\Composer\PackagePlugin\Registry\Credentials\InsecureStore;
 use NoccyLabs\Composer\PackagePlugin\Registry\Gitea\GiteaProvider;
 use NoccyLabs\Composer\PackagePlugin\Registry\RegistryFactory;
+use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputOption;
 
 class PackageBuildCommand extends BaseCommand
@@ -25,6 +26,7 @@ class PackageBuildCommand extends BaseCommand
             ->addOption("rm", null, InputOption::VALUE_NONE, "With --publish: remove the .zip after publishing")
             ->addOption("dirty", null, InputOption::VALUE_NONE, "Build directly from source without cloning")
             ->addOption("force", null, InputOption::VALUE_NONE, "Build even if the output file already exists")
+            ->addArgument("version", InputArgument::OPTIONAL, "The tag to build (default is latest tag)")
             ;
     }
 
@@ -34,7 +36,9 @@ class PackageBuildCommand extends BaseCommand
 
         $builder = new PackageBuilder($output);
 
-        $project = ProjectInfo::read();
+        $version = $input->getArgument("version");
+
+        $project = ProjectInfo::read(version:$version);
 
         if ($registry && file_exists($project->filename) && !$input->getOption("force")) {
             $output->writeln("<fg=black;bg=yellow>Package file already exists. Pass --force to rebuild it.</>");
diff --git a/src/Project/ProjectInfo.php b/src/Project/ProjectInfo.php
index 09ae094..65d94dc 100644
--- a/src/Project/ProjectInfo.php
+++ b/src/Project/ProjectInfo.php
@@ -6,25 +6,36 @@ class ProjectInfo
 {
     private static ?ProjectInfo $project = null;
 
-    public static function read(): ProjectInfo
+    public static function read(?string $version = null): ProjectInfo
     {
         return self::$project
             ? self::$project
-            : (self::$project = self::readProject());
+            : (self::$project = self::readProject(version: $version));
     }
 
-    private static function readProject(?string $path = null): ProjectInfo
+    private static function readProject(?string $path = null, ?string $version = null): ProjectInfo
     {
         $path ??= getcwd();
 
+        if (!file_exists($path."/composer.json")) {
+            throw new \Exception("No composer project found in {$path}");
+        }
+
         $json = file_get_contents($path."/composer.json");
         $manifest = json_decode($json);
 
-        if (file_exists($path."/.git")) {
-            $version = trim(exec("git describe --tags 2>/dev/null")) ?: null;
+        if (!file_exists($path."/.git")) {
+            throw new \Exception("Project is not under git version control");
         }
+
         if (!$version) {
-            $version = $manifest->version ?? "1.0.0";
+            $gitVersion = trim(exec("git describe --tags 2>/dev/null")) ?: null;
+            $version = $gitVersion ?? ($manifest->version ?? "1.0.0");
+        } else {
+            exec("git tag 2>/dev/null", $tags, $ret);
+            if (!in_array($version, $tags)) {
+                throw new \Exception("Unable to find version {$version} in the list of git tags");
+            }
         }
 
         $packageName = $manifest->name;