From 4f92a27d8521bd878e23f7d27785335219335a29 Mon Sep 17 00:00:00 2001
From: Guy Sartorelli <guy.sartorelli@gmail.com>
Date: Thu, 3 Oct 2024 16:18:23 +1300
Subject: [PATCH] ENH Skip repositories we've already tagged

If an error occurs when cow has already tagged 15 repos, we want to be
able to rerun the release command and skip anything we've already
tagged.
---
 src/Model/Modules/Library.php        | 14 ++++++++++++++
 src/Steps/Release/PublishRelease.php | 14 ++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/src/Model/Modules/Library.php b/src/Model/Modules/Library.php
index c601d8e..d55230b 100644
--- a/src/Model/Modules/Library.php
+++ b/src/Model/Modules/Library.php
@@ -286,6 +286,20 @@ public function getTags()
         return $this->tags;
     }
 
+    /**
+     * Check if a tag exists in the repository
+     */
+    public function hasTag(string $tag): bool
+    {
+        $repo = $this->getRepository();
+        if ($this->getProject()->getFetchTags()) {
+            // Fetch remote tags from origin first
+            $repo->run('fetch', ['--tags']);
+        }
+
+        return (bool) $repo->run('tag', ['--list', $tag]);
+    }
+
     /**
      * Tag this module
      *
diff --git a/src/Steps/Release/PublishRelease.php b/src/Steps/Release/PublishRelease.php
index 22d8e83..3d98149 100644
--- a/src/Steps/Release/PublishRelease.php
+++ b/src/Steps/Release/PublishRelease.php
@@ -118,6 +118,11 @@ protected function releaseLibrary(
             die();
         }
 
+        if ($this->hasTag($releasePlanNode)) {
+            $this->log($output, "Library <info>{$name}</info> has already been released. <comment>Skipping.</comment>");
+            return;
+        }
+
         $versionName = $releasePlanNode->getVersion()->getValue();
         $this->log($output, "Releasing library <info>{$name}</info> at version <info>{$versionName}</info>");
 
@@ -163,6 +168,15 @@ protected function publishTag(OutputInterface $output, LibraryRelease $releasePl
         $this->log($output, 'Tagging complete');
     }
 
+    /**
+     * Check if this release node already has the tag we're going to release
+     */
+    protected function hasTag(LibraryRelease $releasePlan): bool
+    {
+        $library = $releasePlan->getLibrary();
+        $tag = $releasePlan->getVersion()->getValue();
+        return $library->hasTag($tag);
+    }
 
     /**
      * Update github release notes via github API