Improved cheerpj publish to github pages action

shannah · shannah · commit ca1315b192be · 2023-10-02T08:20:47.000-07:00
diff --git a/cli/src/main/java/ca/weblite/jdeploy/services/CheerpjService.java b/cli/src/main/java/ca/weblite/jdeploy/services/CheerpjService.java
@@ -1,23 +1,17 @@
 package ca.weblite.jdeploy.services;
 
 import ca.weblite.jdeploy.cheerpj.services.BuildCheerpjAppService;
-import ca.weblite.tools.io.FileUtil;
 import org.json.JSONObject;
-
 import java.io.*;
-import java.util.Arrays;
-import java.util.Scanner;
 
 public class CheerpjService extends BaseService {
     private BuildCheerpjAppService buildCheerpjAppService;
 
     public CheerpjService(File packageJSONFile, JSONObject packageJSON) throws IOException {
         super(packageJSONFile, packageJSON);
         buildCheerpjAppService = new BuildCheerpjAppService();
-
     }
 
-
     public boolean isEnabled() {
         return getJDeployObject().has("cheerpj");
     }
@@ -138,10 +132,16 @@ private String getGithubPagesPublishPath() throws IOException, InterruptedExcept
     }
 
     public boolean isGithubPagesEnabled() {
+        if (!getGithubPagesConfig().has("enabled")) {
+            return false;
+        }
         return getGithubPagesConfig().getBoolean("enabled");
     }
 
     private String getGithubPagesBranch() {
+        if (!getGithubPagesConfig().has("branch")) {
+            return null;
+        }
         return getGithubPagesConfig().getString("branch");
     }
 
@@ -161,20 +161,6 @@ private String getCurrentGitBranch() throws IOException, InterruptedException {
         return branchName;
     }
 
-    private void checkoutBranch(String branch, boolean fetch, boolean pull) throws IOException, InterruptedException {
-        if (fetch) {
-            executeGitCommand("git", "fetch", "--all");
-        }
-
-        // Checkout gh-pages branch
-        executeGitCommand("git", "checkout", branch);
-
-        // Pull the latest
-        if (pull) {
-            executeGitCommand("git", "pull");
-        }
-    }
-
     public static void generateGitignoreFile(String directoryPath) throws IOException {
         File gitignore = new File(directoryPath, ".gitignore");
         try (BufferedWriter writer = new BufferedWriter(new FileWriter(gitignore))) {
@@ -186,70 +172,17 @@ public static void generateGitignoreFile(String directoryPath) throws IOExceptio
             // Do not ignore directories, so we can traverse them
             writer.write("\n");
         }
-        System.out.println(".gitignore file created at: " + gitignore.getAbsolutePath());
     }
 
-
     private void publishToGithubPages() throws IOException, InterruptedException {
-        String currentBranch = getCurrentGitBranch();
-        String githubPagesBranch = getGithubPagesBranch();
-        String githubPagesPublishPath = getGithubPagesPublishPath();
-        if (githubPagesPublishPath == null) {
-            throw new IOException("Github pages publish path is null.");
+        if (getCurrentGitBranch() != null && getCurrentGitBranch().equals(getGithubPagesBranch())) {
+            System.out.println("Cannot publish to github pages from the same branch");
+            return;
         }
-        File publishPath = new File(packageJSONFile.getParentFile(), githubPagesPublishPath);
-        boolean stashed = false;
-        if (!currentBranch.equals(githubPagesBranch)) {
-            executeGitCommand("git", "stash");
-            stashed = true;
-            checkoutBranch(githubPagesBranch, true, true);
-        }
-        try {
-            if (publishPath.exists()) {
-                FileUtil.delTree(publishPath);
-            }
-            publishPath.getParentFile().mkdirs();
-            publishToCurrentBranch(publishPath);
-        } finally {
-            if (stashed) {
-                executeGitCommand("git", "stash", "pop");
-            }
-            if (!currentBranch.equals(githubPagesBranch)) {
-                checkoutBranch(currentBranch, false, false);
-            }
-        }
-
-
-    }
-
-    private void executeGitCommand(String... commands) throws IOException, InterruptedException {
-        System.out.println("Running git command: " + Arrays.toString(commands));
-        ProcessBuilder processBuilder = new ProcessBuilder(commands);
-        processBuilder.inheritIO();
-        Process process = processBuilder.start();
-        int result = process.waitFor();
-
-        // Output the command result for debugging purpose
-        try (InputStream inputStream = process.getInputStream();
-             Scanner scanner = new Scanner(inputStream)) {
-            while (scanner.hasNextLine()) {
-                System.out.println(scanner.nextLine());
-            }
-        }
-        if (result != 0) {
-            throw new IOException("Error while executing git command: " + Arrays.toString(commands));
-        }
-    }
-
-    private void publishToCurrentBranch(File publishPath) throws IOException, InterruptedException {
-
-        FileUtil.copy(getDestDirectory(), publishPath);
-        generateGitignoreFile(publishPath.getAbsolutePath());
-
-        executeGitCommand("git", "add", getGithubPagesPublishPath());
-        executeGitCommand("git", "commit", "-m", "Publish to github pages.");
-        executeGitCommand("git", "push", "origin", getCurrentGitBranch());
+        GithubPagesPublisher publisher = new GithubPagesPublisher();
+        generateGitignoreFile(getDestDirectory().getAbsolutePath());
+        System.out.println("Publishing to github pages");
+        publisher.publishToGithubPages(getDestDirectory(), null, getGithubPagesBranch(), getGithubPagesPublishPath());
 
     }
-
 }
diff --git a/cli/src/main/java/ca/weblite/jdeploy/services/GithubPagesPublisher.java b/cli/src/main/java/ca/weblite/jdeploy/services/GithubPagesPublisher.java
@@ -0,0 +1,96 @@
+package ca.weblite.jdeploy.services;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.*;
+import java.util.Scanner;
+
+public class GithubPagesPublisher {
+    private GithubService githubService = new GithubService();
+    /**
+     * Publishes the contents of a directory to a github pages branch.
+     *
+     * @param sourceDirectory The directory containing the files to publish.
+     * @param repoUrl         The URL of the github repository
+     * @param branchName      The branch-name to publish to
+     * @param destPath        The destination path within the repo where the files should be published.
+     * @throws IOException, InterruptedException
+     */
+    public void publishToGithubPages(File sourceDirectory, String repoUrl, String branchName, String destPath) throws IOException, InterruptedException {
+        if (repoUrl == null) {
+            repoUrl = githubService.getRepoURL(sourceDirectory);
+        }
+        File tempDir = null;
+        try {
+            // Create a temporary directory
+            tempDir = Files.createTempDirectory("tempRepoDir").toFile();
+
+            // Clone the repository to a temporary directory
+            ProcessBuilder builder = new ProcessBuilder();
+            builder.command("git", "clone", "--depth", "1", "-b", branchName, repoUrl, tempDir.getAbsolutePath())
+                    .inheritIO()
+                    .start()
+                    .waitFor();
+
+            // Copy the contents of sourceDirectory to the temporary directory at destPath
+            File destDir = new File(tempDir, destPath);
+            copyDirectory(sourceDirectory, destDir);
+
+            // Add, commit and push the changes
+            builder.command("git", "add", ".")
+                    .directory(tempDir)
+                    .inheritIO()
+                    .start()
+                    .waitFor();
+            builder.command("git", "commit", "-m", "Update GitHub Pages")
+                    .directory(tempDir)
+                    .inheritIO()
+                    .start()
+                    .waitFor();
+            builder.command("git", "push")
+                    .directory(tempDir)
+                    .inheritIO()
+                    .start()
+                    .waitFor();
+        } finally {
+            // Delete the temporary directory
+            if (tempDir != null) {
+                deleteDirectory(tempDir);
+            }
+        }
+    }
+
+    // Copy the source directory to the destination directory
+    private void copyDirectory(File source, File dest) throws IOException {
+        if (source.isDirectory()) {
+            if (!dest.exists()) {
+                dest.mkdir();
+            }
+            for (String child : source.list()) {
+                copyDirectory(new File(source, child), new File(dest, child));
+            }
+        } else {
+            Files.copy(source.toPath(), dest.toPath(), StandardCopyOption.REPLACE_EXISTING);
+        }
+    }
+
+    // Delete a directory recursively
+    private void deleteDirectory(File directoryToBeDeleted) {
+        File[] allContents = directoryToBeDeleted.listFiles();
+        if (allContents != null) {
+            for (File file : allContents) {
+                deleteDirectory(file);
+            }
+        }
+        directoryToBeDeleted.delete();
+    }
+
+    public static void main(String[] args) {
+        GithubPagesPublisher publisher = new GithubPagesPublisher();
+        try {
+            publisher.publishToGithubPages(new File("sourceDirectory"), "https://github.com/user/repo.git", "gh-pages", "destPath");
+        } catch (IOException | InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/cli/src/main/java/ca/weblite/jdeploy/services/GithubService.java b/cli/src/main/java/ca/weblite/jdeploy/services/GithubService.java
@@ -2,6 +2,10 @@
 
 import ca.weblite.jdeploy.helpers.PackageInfoBuilder;
 
+import java.io.File;
+import java.io.IOException;
+import java.util.Scanner;
+
 public class GithubService {
 
     private String token;
@@ -13,5 +17,15 @@ public PackageInfoBuilder createPackageInfoBuilder(String source) {
         return builder;
     }
 
+    public String getRepoURL(File repoDir) throws IOException {
+        ProcessBuilder builder = new ProcessBuilder();
+        builder.command("git", "config", "--get", "remote.origin.url")
+                .directory(repoDir);
+        Process process = builder.start();
+        Scanner scanner = new Scanner(process.getInputStream());
+        String url = scanner.nextLine();
+        scanner.close();
+        return url;
+    }
 
 }
