Adds correct stash lookup for Commit Details view

Adds visibility check for stashes view following

src/commands/gitCommands.actions.ts

@@ -14,7 +14,7 @@ import type { FileAnnotationType } from '../configuration';
 import { Commands, CoreCommands } from '../constants';
 import { Container } from '../container';
 import { GitUri } from '../git/gitUri';
-import type { GitCommit } from '../git/models/commit';
+import type { GitCommit, GitStashCommit } from '../git/models/commit';
 import { isCommit } from '../git/models/commit';
 import type { GitContributor } from '../git/models/contributor';
 import type { GitFile } from '../git/models/file';
@@ -758,7 +758,7 @@ export namespace GitActions {
 		}
 
 		export function showDetailsView(
-			commit: GitCommit,
+			commit: GitRevisionReference | GitCommit,
 			options?: { pin?: boolean; preserveFocus?: boolean },
 		): Promise<void> {
 			return Container.instance.commitDetailsView.show({ ...options, commit: commit });
@@ -921,6 +921,13 @@ export namespace GitActions {
 				: await Container.instance.repositoriesView.revealStash(stash, options);
 			return node;
 		}
+
+		export function showDetailsView(
+			stash: GitStashReference | GitStashCommit,
+			options?: { pin?: boolean; preserveFocus?: boolean },
+		): Promise<void> {
+			return Container.instance.commitDetailsView.show({ ...options, commit: stash });
+		}
 	}
 
 	export namespace Tag {

src/webviews/commitDetails/commitDetailsWebviewView.ts

@@ -5,10 +5,12 @@ import { configuration } from '../../configuration';
 import { Commands } from '../../constants';
 import type { Container } from '../../container';
 import type { GitCommit } from '../../git/models/commit';
+import { isCommit } from '../../git/models/commit';
 import type { GitFileChange } from '../../git/models/file';
 import { GitFile } from '../../git/models/file';
 import type { IssueOrPullRequest } from '../../git/models/issue';
 import type { PullRequest } from '../../git/models/pullRequest';
+import type { GitRevisionReference } from '../../git/models/reference';
 import type { ShowCommitInGraphCommandArgs } from '../../plus/webviews/graph/graphWebview';
 import { executeCommand } from '../../system/command';
 import { debug } from '../../system/decorators/log';
@@ -81,7 +83,7 @@ export class CommitDetailsWebviewView extends WebviewViewBase
 	}
 
 	override async show(options?: {
-		commit?: GitCommit;
+		commit?: GitRevisionReference | GitCommit;
 		pin?: boolean;
 		preserveFocus?: boolean | undefined;
 	}): Promise<void> {
@@ -90,9 +92,17 @@ export class CommitDetailsWebviewView extends WebviewViewBase
 			let pin;
 			({ commit, pin, ...options } = options);
 			if (commit == null) {
-				commit = this.getBestCommit();
+				commit = this.getBestCommitOrStash();
 			}
 			if (commit != null) {
+				if (!isCommit(commit)) {
+					if (commit.refType === 'stash') {
+						const stash = await this.container.git.getStash(commit.repoPath);
+						commit = stash?.commits.get(commit.ref);
+					} else {
+						commit = await this.container.git.getCommit(commit.repoPath, commit.ref);
+					}
+				}
 				this.updateCommit(commit, { pinned: pin ?? true });
 			}
 		}
@@ -111,7 +121,7 @@ export class CommitDetailsWebviewView extends WebviewViewBase
 
 	protected override onInitializing(): Disposable[] | undefined {
 		if (this._context.commit == null) {
-			const commit = this.getBestCommit();
+			const commit = this.getBestCommitOrStash();
 			if (commit != null) {
 				this.updateCommit(commit, { immediate: false });
 			}
@@ -144,12 +154,13 @@ export class CommitDetailsWebviewView extends WebviewViewBase
 		const { lineTracker, commitsView, stashesView } = this.container;
 		this._visibilityDisposable = Disposable.from(
 			lineTracker.subscribe(this, lineTracker.onDidChangeActiveLines(this.onActiveLinesChanged, this)),
-			commitsView.onDidChangeVisibility(this.onCommitsViewVisibilityChanged, this),
 			commitsView.onDidChangeSelection(this.onCommitsViewSelectionChanged, this),
+			commitsView.onDidChangeVisibility(this.onCommitsViewVisibilityChanged, this),
 			stashesView.onDidChangeSelection(this.onStashesViewSelectionChanged, this),
+			stashesView.onDidChangeVisibility(this.onStashesViewVisibilityChanged, this),
 		);
 
-		const commit = this.getBestCommit();
+		const commit = this.getBestCommitOrStash();
 		this.updateCommit(commit, { immediate: false });
 	}
 
@@ -238,6 +249,18 @@ export class CommitDetailsWebviewView extends WebviewViewBase
 		}
 	}
 
+	private onCommitsViewVisibilityChanged(e: TreeViewVisibilityChangeEvent) {
+		if (!e.visible) return;
+
+		const node = this.container.commitsView.activeSelection;
+		if (
+			node != null &&
+			(node instanceof CommitNode || node instanceof FileRevisionAsCommitNode || node instanceof CommitFileNode)
+		) {
+			this.updateCommit(node.commit);
+		}
+	}
+
 	private onStashesViewSelectionChanged(e: TreeViewSelectionChangeEvent<ViewNode>) {
 		const node = e.selection?.[0];
 		if (node != null && (node instanceof StashNode || node instanceof StashFileNode)) {
@@ -245,14 +268,11 @@ export class CommitDetailsWebviewView extends WebviewViewBase
 		}
 	}
 
-	private onCommitsViewVisibilityChanged(e: TreeViewVisibilityChangeEvent) {
+	private onStashesViewVisibilityChanged(e: TreeViewVisibilityChangeEvent) {
 		if (!e.visible) return;
 
-		const node = this.container.commitsView.activeSelection;
-		if (
-			node != null &&
-			(node instanceof CommitNode || node instanceof FileRevisionAsCommitNode || node instanceof CommitFileNode)
-		) {
+		const node = this.container.stashesView.activeSelection;
+		if (node != null && (node instanceof StashNode || node instanceof StashFileNode)) {
 			this.updateCommit(node.commit);
 		}
 	}
@@ -497,7 +517,7 @@ export class CommitDetailsWebviewView extends WebviewViewBase
 	// 	}
 	// }
 
-	private getBestCommit(): GitCommit | undefined {
+	private getBestCommitOrStash(): GitCommit | undefined {
 		if (this._pinned) return undefined;
 
 		let commit;
@@ -521,6 +541,14 @@ export class CommitDetailsWebviewView extends WebviewViewBase
 			}
 		}
 
+		if (commit == null) {
+			const { stashesView } = this.container;
+			const node = stashesView.activeSelection;
+			if (node != null && (node instanceof StashNode || node instanceof StashFileNode)) {
+				commit = node.commit;
+			}
+		}
+
 		return commit;
 	}