Add base and compare branch names to Copilot PR title and description generation

src/api/api.d.ts

@@ -256,7 +256,7 @@ export interface IGit {
 }
 
 export interface TitleAndDescriptionProvider {
-	provideTitleAndDescription(context: { commitMessages: string[], patches: string[] | { patch: string, fileUri: string, previousFileUri?: string }[], issues?: { reference: string, content: string }[], template?: string }, token: CancellationToken): Promise<{ title: string, description?: string } | undefined>;
+	provideTitleAndDescription(context: { commitMessages: string[], patches: string[] | { patch: string, fileUri: string, previousFileUri?: string }[], issues?: { reference: string, content: string }[], template?: string, compareBranch?: string }, token: CancellationToken): Promise<{ title: string, description?: string } | undefined>;
 }
 
 export interface ReviewerComments {

src/commands.ts

@@ -2106,7 +2106,7 @@ ${contents}
 
 				const tokenSource = new vscode.CancellationTokenSource();
 				const result = await provider.provider.provideTitleAndDescription(
-					{ commitMessages, patches, issues, template },
+					{ commitMessages, patches, issues, template, compareBranch: args.compareBranch },
 					tokenSource.token,
 				);
 

src/github/createPRViewProvider.ts

@@ -1232,8 +1232,7 @@ Don't forget to commit your template file to the repository so that it can be us
 				const template = await templatePromise;
 
 				const provider = this._folderRepositoryManager.getTitleAndDescriptionProvider(searchTerm);
-				const result = await provider?.provider.provideTitleAndDescription({ commitMessages, patches, issues, template }, token);
-
+				const result = await provider?.provider.provideTitleAndDescription({ commitMessages, patches, issues, template, compareBranch: this.model.compareBranch }, token);
 				if (provider) {
 					this.lastGeneratedTitleAndDescription = { ...result, providerTitle: provider.title };
 					/* __GDPR__

src/github/pullRequestOverview.ts

@@ -1099,7 +1099,7 @@ export class PullRequestOverviewPanel extends IssueOverviewPanel<PullRequestMode
 			const templateContent = await this._folderRepositoryManager.getPullRequestTemplateBody(this._item.remote.owner);
 
 			const result = await provider.provider.provideTitleAndDescription(
-				{ commitMessages, patches, issues: [], template: templateContent },
+				{ commitMessages, patches, issues: [], template: templateContent, compareBranch: this._item.head?.ref },
 				this.generatingDescriptionCancellationToken.token
 			);