Filter gitignored files from discovery

src/cli/index.ts

@@ -12,8 +12,26 @@ import type { TestResult } from "../format.ts"
 import { parseDuration } from "../duration.ts"
 import { rewriteFile } from "../update.ts"
 
+async function filterGitignored(files: string[]): Promise<string[]> {
+  if (files.length === 0) return files
+  try {
+    const proc = Bun.spawn(["git", "check-ignore", "--stdin"], {
+      stdin: new Blob([files.join("\n")]),
+      stdout: "pipe",
+      stderr: "ignore",
+    })
+    const output = await new Response(proc.stdout).text()
+    await proc.exited
+    const ignored = new Set(output.trim().split("\n").filter(Boolean))
+    return files.filter(f => !ignored.has(f))
+  } catch {
+    return files
+  }
+}
+
 async function findShoutFiles(paths: string[]): Promise<string[]> {
-  const files: string[] = []
+  const explicit: string[] = []
+  const discovered: string[] = []
 
   for (const p of paths) {
     const abs = resolve(p)
@@ -22,7 +40,7 @@ async function findShoutFiles(paths: string[]): Promise<string[]> {
       : null
 
     if (stat && abs.endsWith(".shout")) {
-      files.push(abs)
+      explicit.push(abs)
       continue
     }
 
@@ -31,16 +49,17 @@ async function findShoutFiles(paths: string[]): Promise<string[]> {
       const entries = await readdir(abs, { recursive: true })
       for (const entry of entries) {
         if (entry.endsWith(".shout")) {
-          files.push(resolve(abs, entry))
+          discovered.push(resolve(abs, entry))
         }
       }
     } catch {
       // If not a directory, try as file anyway
-      if (abs.endsWith(".shout")) files.push(abs)
+      if (abs.endsWith(".shout")) explicit.push(abs)
     }
   }
 
-  return files.sort()
+  const filtered = await filterGitignored(discovered)
+  return [...explicit, ...filtered].sort()
 }
 
 import pkg from "../../package.json"