GitHub - link provider for various hovers (#237961)

* Initial implementation

* Refactor code, add link to blame decoration

* Add links to timeline hover

* Saving my work

* Update remote order for "Open on GitHub" action

* Bug fixes

* Add link provider for graph hover

* Rename method

extensions/git/src/historyProvider.ts

@@ -12,6 +12,7 @@ import { Branch, LogOptions, Ref, RefType } from './api/git';
 import { emojify, ensureEmojis } from './emoji';
 import { Commit } from './git';
 import { OperationKind, OperationResult } from './operation';
+import { provideRemoteSourceLinks } from './remoteSource';
 
 function toSourceControlHistoryItemRef(repository: Repository, ref: Ref): SourceControlHistoryItemRef {
 	const rootUri = Uri.file(repository.root);
@@ -264,22 +265,33 @@ export class GitHistoryProvider implements SourceControlHistoryProvider, FileDec
 
 			await ensureEmojis();
 
-			return commits.map(commit => {
+			const historyItems: SourceControlHistoryItem[] = [];
+			for (const commit of commits) {
+				const message = emojify(commit.message);
+				const messageWithLinks = await provideRemoteSourceLinks(this.repository, message) ?? message;
+
+				const newLineIndex = message.indexOf('\n');
+				const subject = newLineIndex !== -1
+					? `${message.substring(0, newLineIndex)}\u2026`
+					: message;
+
 				const references = this._resolveHistoryItemRefs(commit);
 
-				return {
+				historyItems.push({
 					id: commit.hash,
 					parentIds: commit.parents,
-					message: emojify(commit.message),
+					subject,
+					message: messageWithLinks,
 					author: commit.authorName,
 					authorEmail: commit.authorEmail,
-					icon: new ThemeIcon('git-commit'),
 					displayId: getCommitShortHash(Uri.file(this.repository.root), commit.hash),
 					timestamp: commit.authorDate?.getTime(),
 					statistics: commit.shortStat ?? { files: 0, insertions: 0, deletions: 0 },
 					references: references.length !== 0 ? references : undefined
-				};
-			});
+				} satisfies SourceControlHistoryItem);
+			}
+
+			return historyItems;
 		} catch (err) {
 			this.logger.error(`[GitHistoryProvider][provideHistoryItems] Failed to get history items with options '${JSON.stringify(options)}': ${err}`);
 			return [];