git_repo_web_sync

git_repo_web_sync

Simple php script that after being requested syncs git repo with a catalog on the server

<?php
// --- CONFIGURATION ---
$allowedToken = "PUT YOUR TOKEN HERE";
$repoUrl = "PUT GIT REPO URL HERE";
$targetDir = "/path/to/your/www/root";
$branch = "NAME OF THE BRANCH"; 

// --- 1. AUTHENTICATION ---
$token = $_GET['s'] ?? null;

if ($token !== $allowedToken) {
    http_response_code(403);
    echo "<h1 style='color:red;'>Access Denied</h1>";
    echo "<p>Invalid or missing synchronization token.</p>";
    exit;
}

echo "<h2>Starting Synchronization...</h2>";
echo "<hr>";

// --- 2. FORCE CLEANUP STRATEGY (KEEP DIRECTORY, WIPE CONTENTS) ---
if (is_dir($targetDir)) {
    echo "<p>Target directory exists. Cleaning contents (including hidden files)...</p>";
    
    // HOW: 
    // 1. cd into the directory
    // 2. rm -rf * .* (excluding . and .. which is x_x)
    // I use a subshell (cd ... && ...) to ensure we only delete inside targetDir
    
    // Note: I must be very careful with '.*'. I excluded '.' and '..' manually.
    // Command: find . -mindepth 1 -delete is safer and handles hidden files WHICH IS IMPORTANT.
    
    $cleanCmd = "cd " . escapeshellarg($targetDir) . " && find . -mindepth 1 -delete";
    
    exec($cleanCmd, $cleanOut, $cleanStatus);
    
    if ($cleanStatus !== 0) {
        echo "<p style='color:red;'>Error: Failed to clean directory contents.</p>";
        echo "<p>Path: " . htmlspecialchars($targetDir) . "</p>";
        echo "<pre>" . htmlspecialchars(implode("\n", $cleanOut)) . "</pre>";
        exit;
    }
    echo "<p>Directory contents cleaned successfully.</p>";
} else {
    echo "<p>Target directory did not exist. Creating...</p>";
    // Create the directory if it doesn't exist SHOULDN'T be needed but addedd just in case
    if (!mkdir($targetDir, 0755, true)) {
        echo "<p style='color:red;'>Error: Failed to create directory.</p>";
        exit;
    }
}

//safety check
$parentDir = dirname($targetDir);
if (!is_dir($parentDir)) {
    echo "<p style='color:red;'>Error: Parent directory ($parentDir) does not exist.</p>";
    exit;
}
/*
//dummy
if (!is_writable($parentDir)) {
    echo "<p style='color:red;'>Error: Web server cannot write to parent directory ($parentDir).</p>";
    echo "<p>Run: <code>sudo chown -R www-data:www-data $parentDir</code></p>";
    exit;
}
*/
// --- 3. GIT CLONE ---
echo "<p>Cloning <code>$repoUrl</code> (branch: <code>$branch</code>) into <code>$targetDir</code>...</p>";

$cloneCmd = "git clone --depth 1 --branch " . escapeshellarg($branch) . " " . escapeshellarg($repoUrl) . " " . escapeshellarg($targetDir) . " 2>&1";

exec($cloneCmd, $output, $status);

// --- 4. RESULT ---
if ($status === 0) {
    echo "<p style='color:green; font-weight:bold;'>SUCCESS: Repository synchronized successfully!</p>";
    echo "<p>Files are now located at: <code>$targetDir</code></p>";
} else {
    echo "<p style='color:red; font-weight:bold;'>FAILED: Git clone failed.</p>";
    echo "<details>";
    echo "<summary>Click to see error details</summary>";
    echo "<pre style='background:#f44; color:white; padding:10px;'>";
    echo htmlspecialchars(implode("\n", $output));
    echo "</pre>";
    echo "</details>";
}

echo "<hr>";
echo "<p><small>Synchronization finished.</small></p>";
?>