Add feature to fork only the default branch #2
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Fixes #1 Add functionality to fork only the default branch of a repository. * Add `forkRepository` method in `GitHub.java` to fork only the default branch. * Modify `GHRepositoryBuilder.java` to include an option to fork only the default branch. * Update `README.md` to reflect the new feature and provide an example. * Add tests in `GitHubTest.java` to verify the functionality of forking only the default branch. --- For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/gounthar/github-api/issues/1?shareId=XXXX-XXXX-XXXX-XXXX).
WalkthroughThe pull request introduces several changes across multiple files. A new section titled "Forking a Repository" is added to the Changes
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (5)
src/main/java/org/kohsuke/github/GitHub.java (1)
1337-1347: Enhance method documentation for better clarity.The documentation should include additional details about:
- The asynchronous nature of fork operations
- The fact that the fork may not be immediately available
- Specific exceptions that could be thrown (e.g., rate limiting, authentication)
/** * Forks a repository to the authenticated user's account, retrieving only the default branch. + * <p> + * Note that this is an asynchronous operation - the fork may not be immediately available after this method returns. + * You may need to wait a few seconds before accessing the forked repository. * * @param owner * the owner of the repository to fork * @param repo * the name of the repository to fork * @return the newly forked repository * @throws IOException - * if an I/O error occurs + * if an I/O error occurs, including authentication failure, insufficient + * permissions, or rate limit exceeded + * @see <a href="https://docs.github.com/rest/repos/forks#create-a-fork">Create a fork</a> */src/main/java/org/kohsuke/github/GHRepositoryBuilder.java (2)
10-10: Add Javadoc for the new field.Consider adding documentation to explain the purpose of this field.
+ /** Flag to indicate if only the default branch should be forked */ private boolean defaultBranchOnly = false;
80-83: Add Javadoc for the new method.The method implementation looks good, but it's missing documentation.
+ /** + * Sets whether to fork only the default branch. + * + * @param enabled true to fork only the default branch, false to fork all branches + * @return the builder instance + * @throws IOException if an I/O error occurs + */ public S forkDefaultBranchOnly(boolean enabled) throws IOException {src/test/java/org/kohsuke/github/GitHubTest.java (2)
430-434: Enhance test coverage with additional scenarios.While the basic test is good, consider adding tests for:
- Error scenarios (e.g., non-existent repository)
- Edge cases (e.g., repository with no branches)
- Verify the
defaultBranchOnlyparameter is actually sent@Test public void testForkRepository() throws IOException { + // Test successful fork GHRepository forkedRepo = gitHub.forkRepository("hub4j", "github-api"); assertThat(forkedRepo, notNullValue()); assertThat(forkedRepo.getDefaultBranch(), equalTo("main")); assertThat(forkedRepo.getBranches().size(), equalTo(1)); + + // Test non-existent repository + try { + gitHub.forkRepository("hub4j", "non-existent-repo"); + fail("Expected IOException"); + } catch (IOException e) { + assertThat(e.getMessage(), containsString("Not Found")); + } }
431-431: Consider using test constants for repository details.Hard-coded repository names could make tests brittle. Consider moving these to constants or test configuration.
- GHRepository forkedRepo = gitHub.forkRepository("hub4j", "github-api"); + GHRepository forkedRepo = gitHub.forkRepository(GITHUB_API_TEST_ORG, TEST_REPO_NAME);
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📒 Files selected for processing (4)
README.md(1 hunks)src/main/java/org/kohsuke/github/GHRepositoryBuilder.java(1 hunks)src/main/java/org/kohsuke/github/GitHub.java(1 hunks)src/test/java/org/kohsuke/github/GitHubTest.java(1 hunks)
🔇 Additional comments (2)
src/main/java/org/kohsuke/github/GitHub.java (1)
1348-1353: LGTM! Implementation looks correct and follows library patterns.
The implementation correctly:
- Uses the appropriate HTTP method (POST)
- Sets the required parameter for default branch only
- Uses the correct API endpoint
- Handles response parsing consistently
Let's verify the API endpoint usage:
✅ Verification successful
Let me search for the actual implementation of fork-related functionality to verify the endpoint usage.
Let me try a different search pattern to find fork-related implementations.
Implementation verified - endpoint and parameters are correctly used
The implementation is verified to be correct:
- The endpoint
/repos/{owner}/{repo}/forksmatches GitHub's API specification - The
default_branch_only=trueparameter is properly set - The test case confirms the functionality works as expected, verifying both the fork creation and default branch handling
- The HTTP POST method is correctly used for the fork operation
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify the fork endpoint usage across the codebase
# Test: Check if there are any other fork implementations we should align with
rg -A 5 "repos/.+?/forks"
Length of output: 69760
Script:
#!/bin/bash
# Search for fork-related method implementations
ast-grep --pattern 'forkRepository($$$) {
$$$
}'
Length of output: 52
Script:
#!/bin/bash
# Search for fork-related method implementations and API calls
rg -A 5 "fork.*Repository|/repos/.*/forks" --type java
Length of output: 1245
src/main/java/org/kohsuke/github/GHRepositoryBuilder.java (1)
87-89: LGTM! Clean implementation of the parameter addition.
The implementation correctly adds the parameter only when needed.
| To fork a repository and retrieve only the default branch, you can use the `forkRepository` method in the `GitHub` class. Here's an example: | ||
|
|
||
| ```java | ||
| GitHub github = new GitHubBuilder().withOAuthToken("YOUR_OAUTH_TOKEN").build(); | ||
| GHRepository forkedRepo = github.forkRepository("owner", "repository"); | ||
| System.out.println("Forked repository: " + forkedRepo.getFullName()); | ||
| ``` |
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🛠️ Refactor suggestion
Documentation needs improvement for clarity and security
The example code needs several improvements:
- It doesn't demonstrate the new
defaultBranchOnlyparameter - It shows hardcoded OAuth token which is a security anti-pattern
- Missing explanation of the default branch only behavior and its implications
Consider updating the example as follows:
-GitHub github = new GitHubBuilder().withOAuthToken("YOUR_OAUTH_TOKEN").build();
-GHRepository forkedRepo = github.forkRepository("owner", "repository");
-System.out.println("Forked repository: " + forkedRepo.getFullName());
+// Create GitHub instance using environment variable for security
+GitHub github = new GitHubBuilder().withOAuthToken(System.getenv("GITHUB_TOKEN")).build();
+
+// Fork repository with only the default branch
+GHRepository forkedRepo = github.forkRepository("owner", "repository")
+ .forkDefaultBranchOnly(true)
+ .done();
+
+// The forked repository will only contain the default branch
+System.out.println("Forked repository: " + forkedRepo.getFullName());
+System.out.println("Default branch: " + forkedRepo.getDefaultBranch());📝 Committable suggestion
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| To fork a repository and retrieve only the default branch, you can use the `forkRepository` method in the `GitHub` class. Here's an example: | |
| ```java | |
| GitHub github = new GitHubBuilder().withOAuthToken("YOUR_OAUTH_TOKEN").build(); | |
| GHRepository forkedRepo = github.forkRepository("owner", "repository"); | |
| System.out.println("Forked repository: " + forkedRepo.getFullName()); | |
| ``` | |
| To fork a repository and retrieve only the default branch, you can use the `forkRepository` method in the `GitHub` class. Here's an example: | |
Fixes #1
Add functionality to fork only the default branch of a repository.
forkRepositorymethod inGitHub.javato fork only the default branch.GHRepositoryBuilder.javato include an option to fork only the default branch.README.mdto reflect the new feature and provide an example.GitHubTest.javato verify the functionality of forking only the default branch.For more details, open the Copilot Workspace session.
Summary by CodeRabbit
New Features
forkRepositorymethod for forking repositories, allowing users to retrieve only the default branch.forkDefaultBranchOnlymethod for setting the default branch behavior during forking.Bug Fixes
forkRepositorymethod.Tests