update

lib/git-utils.ts

@@ -0,0 +1,71 @@
+/**
+ * Git utility to load commit hash in both development and production environments
+ */
+
+interface GitInfo {
+  commitHash: string;
+  buildTime: string;
+}
+
+let cachedGitInfo: GitInfo | null = null;
+
+/**
+ * Gets the current git commit hash from various sources
+ * - First tries environment variable (from Docker)
+ * - Then tries the JSON file created by our build script
+ * - Returns "dev" if nothing is available
+ */
+export async function getGitCommitInfo(): Promise<GitInfo> {
+  // Return cached value if available
+  if (cachedGitInfo) {
+    return cachedGitInfo;
+  }
+
+  // First, check if we have the env variable (from Docker)
+  if (process.env.GIT_COMMIT_SHA) {
+    const gitInfo: GitInfo = {
+      commitHash: process.env.GIT_COMMIT_SHA,
+      buildTime: new Date().toISOString(),
+    };
+    cachedGitInfo = gitInfo;
+    return gitInfo;
+  }
+
+  // In the browser, fetch from the public directory
+  if (typeof window !== 'undefined') {
+    try {
+      const response = await fetch('/git-info.json');
+      if (response.ok) {
+        const gitInfo: GitInfo = await response.json();
+        cachedGitInfo = gitInfo;
+        return gitInfo;
+      }
+    } catch (error) {
+      console.warn('Could not fetch git info from public directory', error);
+    }
+  } else {
+    // On the server (during local development), try to load from the static directory
+    try {
+      // We use dynamic import to avoid bundling this in the client build
+      const fs = require('fs');
+      const path = require('path');
+      
+      const gitInfoPath = path.join(process.cwd(), 'public', 'git-info.json');
+      
+      if (fs.existsSync(gitInfoPath)) {
+        const gitInfo: GitInfo = JSON.parse(fs.readFileSync(gitInfoPath, 'utf8'));
+        cachedGitInfo = gitInfo;
+        return gitInfo;
+      }
+    } catch (error) {
+      console.warn('Could not read git info from file system', error);
+    }
+  }
+
+  // Default if nothing else works
+  const defaultGitInfo: GitInfo = {
+    commitHash: 'development',
+    buildTime: new Date().toISOString(),
+  };
+  return defaultGitInfo;
+}