update output format (#2)

* update output format

* upate docs

Author: alejandronanez

README.md

@@ -17,7 +17,7 @@ npx repodocs https://github.com/user/repo
 This will:
 1. Clone the repository
 2. Find all .md files
-3. Combine them into a single file named `username__repository-name.txt`
+3. Combine them into a single file named `username__repository-name__latestSha__timestamp-YYYY-MM-DD.txt`
 4. Clean up temporary files
 
 Each file in the combined output is separated by:

package.json

@@ -7,9 +7,7 @@
   },
   "main": "./src/index.js",
   "module": "./src/index.js",
-  "files": [
-    "src/index.js"
-  ],
+  "files": ["src/index.js"],
   "scripts": {
     "build": "rslib build",
     "check": "biome check --write",

src/index.js

@@ -103,6 +103,18 @@ function getRepoInfo(url) {
   if (!match) throw new Error('Invalid GitHub repository URL');
   return { username: match[1], repo: match[2] };
 }
+function getRepoMetadata(tmpDir) {
+  const sha = execSync('git rev-parse --short HEAD', { cwd: tmpDir })
+    .toString()
+    .trim();
+  const date = execSync('git show -s --format=%ci HEAD', { cwd: tmpDir })
+    .toString()
+    .trim()
+    .replace(/\s+.*$/, '') // Remove timezone
+    .replace(/[:-]/g, ''); // Remove separators
+
+  return { sha, date };
+}
 
 async function main() {
   const repoUrl = process.argv[2];
@@ -115,10 +127,11 @@ async function main() {
   try {
     const repoInfo = getRepoInfo(repoUrl);
     const tmpDir = await cloneRepo(repoUrl);
+    const metadata = getRepoMetadata(tmpDir);
     const mdFiles = await findMarkdownFiles(tmpDir);
     const output = await processFiles(mdFiles, tmpDir, repoInfo);
 
-    const outputFile = `${repoInfo.username}__${repoInfo.repo}.txt`;
+    const outputFile = `${repoInfo.username}__${repoInfo.repo}__${metadata.sha}__${metadata.date}.txt`;
     await fs.writeFile(outputFile, output);
     console.log(`Combined documentation saved to ${outputFile}`);