Expose draft flag in github_pr_destination

BUG=259290334
PiperOrigin-RevId: 488957715
Change-Id: I6679d5cd3e0f562821f94853e179d4e3a6c451fe

docs/reference.md

@@ -2506,7 +2506,7 @@ primary_branch_migration | `bool`<br><p>When enabled, copybara will ignore the '
 
 Creates changes in a new pull request in the destination.
 
-`destination` `git.github_pr_destination(url, destination_ref='master', pr_branch=None, partial_fetch=False, allow_empty_diff=True, title=None, body=None, integrates=None, api_checker=None, update_description=False, primary_branch_migration=False, checker=None)`
+`destination` `git.github_pr_destination(url, destination_ref='master', pr_branch=None, partial_fetch=False, allow_empty_diff=True, title=None, body=None, integrates=None, api_checker=None, update_description=False, primary_branch_migration=False, checker=None, draft=False)`
 
 
 #### Parameters:
@@ -2525,6 +2525,7 @@ api_checker | `checker` or `NoneType`<br><p>A checker for the GitHub API endpoin
 update_description | `bool`<br><p>By default, Copybara only set the title and body of the PR when creating the PR. If this field is set to true, it will update those fields for every update.</p>
 primary_branch_migration | `bool`<br><p>When enabled, copybara will ignore the 'desination_ref' param if it is 'master' or 'main' and instead try to establish the default git branch. If this fails, it will fall back to the param's declared value.<br>This is intended to help migrating to the new standard of using 'main' without breaking users relying on the legacy default.</p>
 checker | `checker` or `NoneType`<br><p>A checker that validates the commit files & message. If `api_checker` is not set, it will also be used for checking API calls. If only `api_checker`is used, that checker will only apply to API calls.</p>
+draft | `bool`<br><p>Flag create pull request as draft or not.</p>
 
 
 #### Examples:

java/com/google/copybara/git/GitHubPrDestination.java

@@ -67,6 +67,7 @@ public class GitHubPrDestination implements Destination<GitRevision> {
   private final String destinationRef;
   private final String prBranch;
   private final boolean partialFetch;
+  private final boolean draft;
   private final boolean primaryBranchMigrationMode;
 
   private final GeneralOptions generalOptions;
@@ -92,6 +93,7 @@ public class GitHubPrDestination implements Destination<GitRevision> {
       String destinationRef,
       @Nullable String prBranch,
       boolean partialFetch,
+      boolean draft,
       GeneralOptions generalOptions,
       GitHubOptions gitHubOptions,
       GitDestinationOptions destinationOptions,
@@ -111,6 +113,7 @@ public class GitHubPrDestination implements Destination<GitRevision> {
     this.destinationRef = Preconditions.checkNotNull(destinationRef);
     this.prBranch = prBranch;
     this.partialFetch = partialFetch;
+    this.draft = draft;
     this.generalOptions = Preconditions.checkNotNull(generalOptions);
     this.gitHubOptions = Preconditions.checkNotNull(gitHubOptions);
     this.destinationOptions = Preconditions.checkNotNull(destinationOptions);
@@ -181,7 +184,7 @@ public Writer<GitRevision> newWriter(WriterContext writerContext) throws Validat
         generalOptions,
         gitHubPrWriteHook,
         state,
-        /*nonFastForwardPush=*/ true,
+        /* nonFastForwardPush= */ true,
         integrates,
         destinationOptions.lastRevFirstParent,
         destinationOptions.ignoreIntegrationErrors,
@@ -262,7 +265,7 @@ public ImmutableList<DestinationEffect> write(
               api.updatePullRequest(
                   getProjectName(),
                   pr.getNumber(),
-                  new UpdatePullRequest(title, prBody, /*state=*/ null));
+                  new UpdatePullRequest(title, prBody, /* state= */ null));
             }
             result.add(
                 new DestinationEffect(
@@ -283,7 +286,7 @@ public ImmutableList<DestinationEffect> write(
         PullRequest pr =
             api.createPullRequest(
                 getProjectName(),
-                new CreatePullRequest(title, prBody, prBranch, getDestinationRef()));
+                new CreatePullRequest(title, prBody, prBranch, getDestinationRef(), draft));
         console.infoFmt(
             "Pull Request %s/pull/%s created using branch '%s'.",
             asHttpsUrl(), pr.getNumber(), prBranch);

java/com/google/copybara/git/GitModule.java

@@ -1771,6 +1771,12 @@ public GitDestination gitHubDestination(
                     + "is used, that checker will only apply to API calls.",
             named = true,
             positional = false),
+        @Param(
+            name = "draft",
+            defaultValue = "False",
+            named = true,
+            positional = false,
+            doc = "Flag create pull request as draft or not."),
       },
       useStarlarkThread = true)
   @UsesFlags({GitDestinationOptions.class, GitHubDestinationOptions.class})
@@ -1813,6 +1819,7 @@ public GitHubPrDestination githubPrDestination(
       Boolean updateDescription,
       Boolean primaryBranchMigrationMode,
       Object checker,
+      boolean isDraft,
       StarlarkThread thread)
       throws EvalException {
     GeneralOptions generalOptions = options.get(GeneralOptions.class);
@@ -1831,6 +1838,7 @@ public GitHubPrDestination githubPrDestination(
         destinationRef,
         convertFromNoneable(prBranch, null),
         partialFetch,
+        isDraft,
         generalOptions,
         options.get(GitHubOptions.class),
         destinationOptions,

java/com/google/copybara/git/github/api/CreatePullRequest.java

@@ -42,6 +42,9 @@ public class CreatePullRequest extends GenericJson {
   @Key
   private String base;
 
+  @Key
+  private final boolean draft;
+
   public String getTitle() {
     return title;
   }
@@ -62,10 +65,15 @@ public void setTitle(String title) {
     this.title = title;
   }
 
-  public CreatePullRequest(String title, String body, String head, String base) {
+  public boolean getDraft() {
+    return draft;
+  }
+
+  public CreatePullRequest(String title, String body, String head, String base, boolean draft) {
     this.title = Preconditions.checkNotNull(title);
     this.body = Preconditions.checkNotNull(body);
     this.head = Preconditions.checkNotNull(head);
     this.base = Preconditions.checkNotNull(base);
+    this.draft = draft;
   }
 }

java/com/google/copybara/git/github/api/GitHubApi.java

@@ -221,7 +221,7 @@ private <T> ImmutableList<T> paginatedGet(String path, String profilerName, Type
     }
     return builder.build();
   }
-
+  
   /**
    * Create a pull request
    */

java/com/google/copybara/git/github/api/PullRequest.java

@@ -38,6 +38,7 @@ public class PullRequest extends PullRequestOrIssue implements StarlarkValue {
   @Key private Revision base;
   @Key("requested_reviewers") private List<User> requestedReviewers;
   @Key private Boolean mergeable;
+  @Key private boolean draft;
 
   @StarlarkMethod(name = "head", doc = "Information about head", structField = true)
   public Revision getHead() {
@@ -49,6 +50,11 @@ public Revision getBase() {
     return base;
   }
 
+  @StarlarkMethod(name = "draft", doc = "Whether pull request is a draft", structField = true)
+  public boolean getDraft() {
+    return draft;
+  }
+
   @Nullable
   public Boolean isMergeable() {
     // Explicit null values in JSON data are not automatically converted to Java null; see

java/com/google/copybara/git/github/api/testing/AbstractGitHubApiTest.java

@@ -340,11 +340,15 @@ public void testCreatePullRequest() throws Exception {
                 && cpr.getHead().equals("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb")),
         getResource("pulls_12345_testdata.json"));
     // The test does not actually use the data in the CreatePullRequest
-    PullRequest pullRequest = api.createPullRequest("example/project",
-        new CreatePullRequest("title",
-            "[TEST] example pull request one",
-            "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
-            "aabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"));
+    PullRequest pullRequest =
+        api.createPullRequest(
+            "example/project",
+            new CreatePullRequest(
+                "title",
+                "[TEST] example pull request one",
+                "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
+                "aabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
+                false));
 
     assertThat(pullRequest.getNumber()).isEqualTo(12345);
     assertThat(pullRequest.getState()).isEqualTo("open");
@@ -699,7 +703,7 @@ private static <T> JsonValidator<T> createValidator(Class<T> clazz, Predicate<T>
    **/
   public static class TestCreatePullRequest extends CreatePullRequest {
     public TestCreatePullRequest() {
-      super("invalid", "invalid", "invalid", "invalid");
+      super("invalid", "invalid", "invalid", "invalid", false);
     }
   }
 

java/com/google/copybara/git/github/api/testing/pulls_12345_testdata.json

@@ -9,6 +9,7 @@
   "state": "open",
   "locked": false,
   "title": "[TEST] example pull request one",
+  "draft": false,
   "user": {
     "login": "googletestuser",
     "id": 123456,

javatests/com/google/copybara/git/GitHubPrDestinationTest.java

@@ -149,6 +149,7 @@ public void testCustomTitleAndBody()
                 + "}",
             MockRequestAssertion.equals("{\"base\":\"main\","
                         + "\"body\":\"custom body\","
+                        + "\"draft\":false,"
                         + "\"head\":\"feature\","
                         + "\"title\":\"custom title\"}")));
 
@@ -199,6 +200,7 @@ public void testCustomTitleAndBody_withUpdate()
                 + "}",
             MockRequestAssertion.equals("{\"base\":\"main\","
                 + "\"body\":\"Body first a\","
+                + "\"draft\":false,"
                 + "\"head\":\"feature\","
                 + "\"title\":\"Title first a\"}")));
 
@@ -312,8 +314,8 @@ public void testTrimMessageForPrTitle()
                 + "  \"body\": \"test summary\""
                 + "}",
             MockRequestAssertion.equals(
-                    "{\"base\":\"main\",\"body\":\"Internal change.\\n\",\"head\":\"feature\","
-                        + "\"title\":\"Internal change.\"}")));
+                "{\"base\":\"main\",\"body\":\"Internal change.\\n"
+                    + "\",\"draft\":false,\"head\":\"feature\",\"title\":\"Internal change.\"}")));
 
     GitHubPrDestination d = skylark.eval("r", "r = git.github_pr_destination("
         + "    url = 'https://github.com/foo',"
@@ -444,7 +446,7 @@ private void checkWrite(Revision revision)
                 + "  \"body\": \"test summary\"\n"
                 + "}",
             MockRequestAssertion.equals(
-                    "{\"base\":\"main\",\"body\":\"test summary\\n\",\"head\":\""
+                    "{\"base\":\"main\",\"body\":\"test summary\\n\",\"draft\":false,\"head\":\""
                         + "feature"
                         + "\",\"title\":\"test summary\"}")));
 
@@ -601,7 +603,7 @@ public void testWriteNomain() throws ValidationException, IOException, RepoExcep
                 + "  \"body\": \"test summary\""
                 + "}",
             MockRequestAssertion.equals(
-                    "{\"base\":\"other\",\"body\":\"test summary\\n\",\"head\":\""
+                    "{\"base\":\"other\",\"body\":\"test summary\\n\",\"draft\":false,\"head\":\""
                         + branchName
                         + "\",\"title\":\"test summary\"}")));
 
@@ -788,7 +790,7 @@ private void testBranchNameFromUser(String branchNameFromUser, String expectedBr
                 + "  \"body\": \"test summary\""
                 + "}",
             MockRequestAssertion.equals(
-                    "{\"base\":\"other\",\"body\":\"test summary\\n\",\"head\":\""
+                    "{\"base\":\"other\",\"body\":\"test summary\\n\",\"draft\":false,\"head\":\""
                         + expectedBranchName
                         + "\",\"title\":\"test summary\"}")));