From f187d4f5a8b60235e781ca476352f208ad12ad53 Mon Sep 17 00:00:00 2001
From: Matt Van Horn <mvanhorn@gmail.com>
Date: Fri, 17 Apr 2026 00:11:47 -0400
Subject: [PATCH 1/2] feat(scoring): add language-specific causes of death

Fixes #10
---
 src/lib/scoring.test.ts | 44 +++++++++++++++++++++++++++++++++++++++++
 src/lib/scoring.ts      | 24 ++++++++++++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/src/lib/scoring.test.ts b/src/lib/scoring.test.ts
index 42f6348..efbd4c0 100644
--- a/src/lib/scoring.test.ts
+++ b/src/lib/scoring.test.ts
@@ -267,3 +267,47 @@ test('"dependencies" returns dependency hell', () => {
   const repo = buildRepo({ lastCommitMessage: 'update dependencies', lastCommitDate: new Date().toISOString() })
   assert.equal(generateLastWords(repo), 'trapped in dependency hell')
 })
+
+// ── language-specific causes ───────────────────────────────────────
+
+test('Ruby repo idle >365 days → Gemfile quip', () => {
+  const repo = buildRepo({
+    language: 'Ruby',
+    lastCommitDate: '2023-01-01T00:00:00.000Z',
+    isArchived: false,
+    isFork: false,
+    openIssuesCount: 2,
+    stargazersCount: 5,
+    description: 'a gem that time forgot',
+  })
+  const cause = determineCauseOfDeath(repo)
+  assert.equal(cause, 'Gemfile.lock never unlocked')
+})
+
+test('Perl repo returns Perl-specific cause', () => {
+  const repo = buildRepo({
+    language: 'Perl',
+    lastCommitDate: '2024-01-01T00:00:00.000Z',
+    isArchived: false,
+    isFork: false,
+    openIssuesCount: 2,
+    stargazersCount: 5,
+    description: 'a Perl tool',
+  })
+  const cause = determineCauseOfDeath(repo)
+  assert.equal(cause, 'Nobody could read it, including the author')
+})
+
+test('Objective-C repo idle >365 days returns Swift quip', () => {
+  const repo = buildRepo({
+    language: 'Objective-C',
+    lastCommitDate: '2022-01-01T00:00:00.000Z',
+    isArchived: false,
+    isFork: false,
+    openIssuesCount: 2,
+    stargazersCount: 5,
+    description: 'an old iOS lib',
+  })
+  const cause = determineCauseOfDeath(repo)
+  assert.equal(cause, 'Swift happened')
+})
diff --git a/src/lib/scoring.ts b/src/lib/scoring.ts
index 25cab40..8ef41b5 100644
--- a/src/lib/scoring.ts
+++ b/src/lib/scoring.ts
@@ -92,6 +92,30 @@ export function determineCauseOfDeath(repo: RepoData): string {
       score: isJS && daysSince > 365 ? 5 : 0,
       cause: 'Lost in dependency hell',
     },
+    {
+      score: repo.language?.toLowerCase() === 'ruby' && daysSince > 365 ? 4 : 0,
+      cause: 'Gemfile.lock never unlocked',
+    },
+    {
+      score: repo.language?.toLowerCase() === 'python' && daysSince > 365 ? 4 : 0,
+      cause: 'Pip froze, then everything else did',
+    },
+    {
+      score: repo.language?.toLowerCase() === 'php' && daysSince > 365 ? 4 : 0,
+      cause: 'Died of PHP fatigue',
+    },
+    {
+      score: repo.language?.toLowerCase() === 'perl' ? 5 : 0,
+      cause: 'Nobody could read it, including the author',
+    },
+    {
+      score: repo.language?.toLowerCase() === 'coffeescript' ? 5 : 0,
+      cause: 'Outlived by the thing it inspired',
+    },
+    {
+      score: repo.language?.toLowerCase() === 'objective-c' && daysSince > 365 ? 5 : 0,
+      cause: 'Swift happened',
+    },
     {
       score: descLower.includes('microservice') || descLower.includes('enterprise') ? 5 : 0,
       cause: 'Killed by overengineering',

From 072cb53fa6665be4e08d99d01c41b425f31a1d17 Mon Sep 17 00:00:00 2001
From: Matt Van Horn <mvanhorn@gmail.com>
Date: Fri, 17 Apr 2026 00:51:39 -0400
Subject: [PATCH 2/2] test: prevent tie with 'Abandoned for a shinier idea'
 rule in language tests

---
 src/lib/scoring.test.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib/scoring.test.ts b/src/lib/scoring.test.ts
index efbd4c0..88324f3 100644
--- a/src/lib/scoring.test.ts
+++ b/src/lib/scoring.test.ts
@@ -278,6 +278,7 @@ test('Ruby repo idle >365 days → Gemfile quip', () => {
     isFork: false,
     openIssuesCount: 2,
     stargazersCount: 5,
+    forksCount: 0,
     description: 'a gem that time forgot',
   })
   const cause = determineCauseOfDeath(repo)
@@ -292,6 +293,7 @@ test('Perl repo returns Perl-specific cause', () => {
     isFork: false,
     openIssuesCount: 2,
     stargazersCount: 5,
+    forksCount: 0,
     description: 'a Perl tool',
   })
   const cause = determineCauseOfDeath(repo)
@@ -306,6 +308,7 @@ test('Objective-C repo idle >365 days returns Swift quip', () => {
     isFork: false,
     openIssuesCount: 2,
     stargazersCount: 5,
+    forksCount: 0,
     description: 'an old iOS lib',
   })
   const cause = determineCauseOfDeath(repo)