deploy: current vibn theia state

Made-with: Cursor

packages/scm-extra/src/browser/history/index.ts

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+// *****************************************************************************
+// Copyright (C) 2020 Arm and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+export * from './scm-history-provider';
+import { ScmHistorySupport } from './scm-history-widget';
+
+export { ScmHistorySupport };
+

packages/scm-extra/src/browser/history/scm-history-constants.ts

@@ -0,0 +1,69 @@
+// *****************************************************************************
+// Copyright (C) 2022 Ericsson and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { Command, Event, nls } from '@theia/core';
+import { OpenViewArguments } from '@theia/core/lib/browser';
+import { ScmFileChangeNode, ScmHistoryCommit } from '../scm-file-change-node';
+
+export const SCM_HISTORY_ID = 'scm-history';
+export const SCM_HISTORY_LABEL = nls.localize('theia/scm/history', 'History');
+export const SCM_HISTORY_TOGGLE_KEYBINDING = 'alt+h';
+export const SCM_HISTORY_MAX_COUNT = 100;
+
+export namespace ScmHistoryCommands {
+    export const OPEN_FILE_HISTORY: Command = {
+        id: 'scm-history:open-file-history',
+    };
+    export const OPEN_BRANCH_HISTORY: Command = {
+        id: 'scm-history:open-branch-history',
+        label: SCM_HISTORY_LABEL
+    };
+}
+
+export interface ScmHistoryOpenViewArguments extends OpenViewArguments {
+    uri: string | undefined;
+}
+
+export const ScmHistorySupport = Symbol('scm-history-support');
+export interface ScmHistorySupport {
+    getCommitHistory(options?: HistoryWidgetOptions): Promise<ScmHistoryCommit[]>;
+    readonly onDidChangeHistory: Event<void>;
+}
+
+export interface ScmCommitNode {
+    commitDetails: ScmHistoryCommit;
+    authorAvatar: string;
+    fileChangeNodes: ScmFileChangeNode[];
+    expanded: boolean;
+    selected: boolean;
+}
+
+export namespace ScmCommitNode {
+    export function is(node: unknown): node is ScmCommitNode {
+        return !!node && typeof node === 'object' && 'commitDetails' in node && 'expanded' in node && 'selected' in node;
+    }
+}
+
+export interface HistoryWidgetOptions {
+    range?: {
+        toRevision?: string;
+        fromRevision?: string;
+    };
+    uri?: string;
+    maxCount?: number;
+}
+
+export type ScmHistoryListNode = (ScmCommitNode | ScmFileChangeNode);

packages/scm-extra/src/browser/history/scm-history-contribution.ts

@@ -0,0 +1,90 @@
+// *****************************************************************************
+// Copyright (C) 2018 TypeFox and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { MenuModelRegistry, CommandRegistry, SelectionService } from '@theia/core';
+import { AbstractViewContribution } from '@theia/core/lib/browser';
+import { injectable, inject } from '@theia/core/shared/inversify';
+import { NavigatorContextMenu } from '@theia/navigator/lib/browser/navigator-contribution';
+import { UriCommandHandler, UriAwareCommandHandler } from '@theia/core/lib/common/uri-command-handler';
+import URI from '@theia/core/lib/common/uri';
+import { ScmHistoryWidget } from './scm-history-widget';
+import { ScmService } from '@theia/scm/lib/browser/scm-service';
+import { EDITOR_CONTEXT_MENU_SCM } from '../scm-extra-contribution';
+import { SCM_HISTORY_ID, SCM_HISTORY_LABEL, ScmHistoryCommands, SCM_HISTORY_TOGGLE_KEYBINDING, ScmHistoryOpenViewArguments } from './scm-history-constants';
+export { SCM_HISTORY_ID, SCM_HISTORY_LABEL, ScmHistoryCommands, SCM_HISTORY_TOGGLE_KEYBINDING, ScmHistoryOpenViewArguments };
+
+@injectable()
+export class ScmHistoryContribution extends AbstractViewContribution<ScmHistoryWidget> {
+
+    @inject(SelectionService)
+    protected readonly selectionService: SelectionService;
+    @inject(ScmService)
+    protected readonly scmService: ScmService;
+
+    constructor() {
+        super({
+            widgetId: SCM_HISTORY_ID,
+            widgetName: SCM_HISTORY_LABEL,
+            defaultWidgetOptions: {
+                area: 'left',
+                rank: 500
+            },
+            toggleCommandId: ScmHistoryCommands.OPEN_BRANCH_HISTORY.id,
+            toggleKeybinding: SCM_HISTORY_TOGGLE_KEYBINDING
+        });
+    }
+
+    override async openView(args?: Partial<ScmHistoryOpenViewArguments>): Promise<ScmHistoryWidget> {
+        const widget = await super.openView(args);
+        this.refreshWidget(args!.uri);
+        return widget;
+    }
+
+    override registerMenus(menus: MenuModelRegistry): void {
+        menus.registerMenuAction(NavigatorContextMenu.SEARCH, {
+            commandId: ScmHistoryCommands.OPEN_FILE_HISTORY.id,
+            label: SCM_HISTORY_LABEL
+        });
+        menus.registerMenuAction(EDITOR_CONTEXT_MENU_SCM, {
+            commandId: ScmHistoryCommands.OPEN_FILE_HISTORY.id,
+            label: SCM_HISTORY_LABEL
+        });
+        super.registerMenus(menus);
+    }
+
+    override registerCommands(commands: CommandRegistry): void {
+        commands.registerCommand(ScmHistoryCommands.OPEN_FILE_HISTORY, this.newUriAwareCommandHandler({
+            isEnabled: (uri: URI) => !!this.scmService.findRepository(uri),
+            isVisible: (uri: URI) => !!this.scmService.findRepository(uri),
+            execute: async uri => this.openView({ activate: true, uri: uri.toString() }),
+        }));
+        super.registerCommands(commands);
+    }
+
+    protected async refreshWidget(uri: string | undefined): Promise<void> {
+        const widget = this.tryGetWidget();
+        if (!widget) {
+            // the widget doesn't exist, so don't wake it up
+            return;
+        }
+        await widget.setContent({ uri });
+    }
+
+    protected newUriAwareCommandHandler(handler: UriCommandHandler<URI>): UriAwareCommandHandler<URI> {
+        return UriAwareCommandHandler.MonoSelect(this.selectionService, handler);
+    }
+
+}

packages/scm-extra/src/browser/history/scm-history-frontend-module.ts

@@ -0,0 +1,36 @@
+// *****************************************************************************
+// Copyright (C) 2019 Arm and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { interfaces } from '@theia/core/shared/inversify';
+import { ScmHistoryContribution, SCM_HISTORY_ID } from './scm-history-contribution';
+import { WidgetFactory, bindViewContribution, ApplicationShellLayoutMigration } from '@theia/core/lib/browser';
+import { ScmHistoryWidget } from './scm-history-widget';
+import { ScmExtraLayoutVersion4Migration } from '../scm-extra-layout-migrations';
+
+import '../../../src/browser/style/history.css';
+
+export function bindScmHistoryModule(bind: interfaces.Bind): void {
+
+    bind(ScmHistoryWidget).toSelf();
+    bind(WidgetFactory).toDynamicValue(ctx => ({
+        id: SCM_HISTORY_ID,
+        createWidget: () => ctx.container.get<ScmHistoryWidget>(ScmHistoryWidget)
+    }));
+
+    bindViewContribution(bind, ScmHistoryContribution);
+
+    bind(ApplicationShellLayoutMigration).to(ScmExtraLayoutVersion4Migration).inSingletonScope();
+}

packages/scm-extra/src/browser/history/scm-history-provider.ts

@@ -0,0 +1,27 @@
+// *****************************************************************************
+// Copyright (C) 2020 Arm and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { ScmProvider } from '@theia/scm/lib/browser/scm-provider';
+import { ScmHistorySupport } from './scm-history-constants';
+
+export interface ScmHistoryProvider extends ScmProvider {
+    historySupport?: ScmHistorySupport;
+}
+export namespace ScmHistoryProvider {
+    export function is(scmProvider: ScmProvider | undefined): scmProvider is ScmHistoryProvider {
+        return !!scmProvider && 'historySupport' in scmProvider;
+    }
+}

packages/scm-extra/src/browser/history/scm-history-widget.tsx

@@ -0,0 +1,571 @@
+// *****************************************************************************
+// Copyright (C) 2018 TypeFox and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { injectable, inject, postConstruct } from '@theia/core/shared/inversify';
+import { DisposableCollection } from '@theia/core';
+import { OpenerService, open, StatefulWidget, SELECTED_CLASS, WidgetManager, ApplicationShell, codicon } from '@theia/core/lib/browser';
+import { CancellationTokenSource } from '@theia/core/lib/common/cancellation';
+import { Message } from '@theia/core/shared/@lumino/messaging';
+import { Virtuoso, VirtuosoHandle } from '@theia/core/shared/react-virtuoso';
+import URI from '@theia/core/lib/common/uri';
+import { ScmFileChange, ScmFileChangeNode } from '../scm-file-change-node';
+import { ScmAvatarService } from '@theia/scm/lib/browser/scm-avatar-service';
+import { ScmItemComponent, ScmNavigableListWidget } from '../scm-navigable-list-widget';
+import * as React from '@theia/core/shared/react';
+import { AlertMessage } from '@theia/core/lib/browser/widgets/alert-message';
+import { FileService } from '@theia/filesystem/lib/browser/file-service';
+import { nls } from '@theia/core/lib/common/nls';
+import { ScmHistoryProvider } from './scm-history-provider';
+import throttle = require('@theia/core/shared/lodash.throttle');
+import { HistoryWidgetOptions, ScmCommitNode, ScmHistoryListNode, ScmHistorySupport, SCM_HISTORY_ID, SCM_HISTORY_LABEL, SCM_HISTORY_MAX_COUNT } from './scm-history-constants';
+export { HistoryWidgetOptions, ScmCommitNode, ScmHistoryListNode, ScmHistorySupport };
+
+@injectable()
+export class ScmHistoryWidget extends ScmNavigableListWidget<ScmHistoryListNode> implements StatefulWidget {
+    protected options: HistoryWidgetOptions;
+    protected singleFileMode: boolean;
+    private cancelIndicator: CancellationTokenSource;
+    protected listView: ScmHistoryList | undefined;
+    protected hasMoreCommits: boolean;
+    protected allowScrollToSelected: boolean;
+
+    protected status: {
+        state: 'loading',
+    } | {
+        state: 'ready',
+        commits: ScmCommitNode[];
+    } | {
+        state: 'error',
+        errorMessage: React.ReactNode
+    };
+
+    protected readonly toDisposeOnRepositoryChange = new DisposableCollection();
+
+    protected historySupport: ScmHistorySupport | undefined;
+
+    constructor(
+        @inject(OpenerService) protected readonly openerService: OpenerService,
+        @inject(ApplicationShell) protected readonly shell: ApplicationShell,
+        @inject(FileService) protected readonly fileService: FileService,
+        @inject(ScmAvatarService) protected readonly avatarService: ScmAvatarService,
+        @inject(WidgetManager) protected readonly widgetManager: WidgetManager,
+    ) {
+        super();
+        this.id = SCM_HISTORY_ID;
+        this.scrollContainer = 'scm-history-list-container';
+        this.title.label = SCM_HISTORY_LABEL;
+        this.title.caption = SCM_HISTORY_LABEL;
+        this.title.iconClass = codicon('history');
+        this.title.closable = true;
+        this.addClass('theia-scm');
+        this.addClass('theia-scm-history');
+        this.status = { state: 'loading' };
+        this.resetState();
+        this.cancelIndicator = new CancellationTokenSource();
+    }
+
+    @postConstruct()
+    protected init(): void {
+        this.refreshOnRepositoryChange();
+        this.toDispose.push(this.scmService.onDidChangeSelectedRepository(() => this.refreshOnRepositoryChange()));
+        this.toDispose.push(this.labelProvider.onDidChange(event => {
+            if (this.scmNodes.some(node => ScmFileChangeNode.is(node) && event.affects(new URI(node.fileChange.uri)))) {
+                this.update();
+            }
+        }));
+    }
+
+    protected refreshOnRepositoryChange(): void {
+        this.toDisposeOnRepositoryChange.dispose();
+
+        const repository = this.scmService.selectedRepository;
+        if (repository && ScmHistoryProvider.is(repository.provider)) {
+            this.historySupport = repository.provider.historySupport;
+            if (this.historySupport) {
+                this.toDisposeOnRepositoryChange.push(this.historySupport.onDidChangeHistory(() => this.setContent(this.options)));
+            }
+        } else {
+            this.historySupport = undefined;
+        }
+        this.setContent(this.options);
+
+        // If switching repository, discard options because they are specific to a repository
+        this.options = this.createHistoryOptions();
+
+        this.refresh();
+    }
+
+    protected createHistoryOptions(): HistoryWidgetOptions {
+        return {
+            maxCount: SCM_HISTORY_MAX_COUNT
+        };
+    }
+
+    protected readonly toDisposeOnRefresh = new DisposableCollection();
+    protected refresh(): void {
+        this.toDisposeOnRefresh.dispose();
+        this.toDispose.push(this.toDisposeOnRefresh);
+        const repository = this.scmService.selectedRepository;
+        this.title.label = SCM_HISTORY_LABEL;
+        if (repository) {
+            this.title.label += ': ' + repository.provider.label;
+        }
+        const area = this.shell.getAreaFor(this);
+        if (area === 'left') {
+            this.shell.leftPanelHandler.refresh();
+        } else if (area === 'right') {
+            this.shell.rightPanelHandler.refresh();
+        }
+        this.update();
+
+        if (repository) {
+            this.toDisposeOnRefresh.push(repository.onDidChange(() => this.update()));
+            // render synchronously to avoid cursor jumping
+            // see https://stackoverflow.com/questions/28922275/in-reactjs-why-does-setstate-behave-differently-when-called-synchronously/28922465#28922465
+            this.toDisposeOnRefresh.push(repository.input.onDidChange(() => this.setContent(this.options)));
+        }
+    }
+
+    protected override onAfterAttach(msg: Message): void {
+        super.onAfterAttach(msg);
+        this.addListNavigationKeyListeners(this.node);
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        this.addEventListener<any>(this.node, 'ps-scroll-y', (e: Event & { target: { scrollTop: number } }) => {
+            if (this.listView?.list) {
+                const { scrollTop } = e.target;
+                this.listView.list.scrollTo({
+                    top: scrollTop
+                });
+            }
+        });
+    }
+
+    setContent = throttle((options?: HistoryWidgetOptions) => this.doSetContent(options), 100);
+
+    protected async doSetContent(options?: HistoryWidgetOptions): Promise<void> {
+        this.resetState(options);
+        if (options && options.uri) {
+            try {
+                const fileStat = await this.fileService.resolve(new URI(options.uri));
+                this.singleFileMode = !fileStat.isDirectory;
+            } catch {
+                this.singleFileMode = true;
+            }
+        }
+        await this.addCommits(options);
+        this.onDataReady();
+        if (this.scmNodes.length > 0) {
+            this.selectNode(this.scmNodes[0]);
+        }
+    }
+
+    protected resetState(options?: HistoryWidgetOptions): void {
+        this.options = options || this.createHistoryOptions();
+        this.hasMoreCommits = true;
+        this.allowScrollToSelected = true;
+    }
+
+    protected async addCommits(options?: HistoryWidgetOptions): Promise<void> {
+        const repository = this.scmService.selectedRepository;
+
+        this.cancelIndicator.cancel();
+        this.cancelIndicator = new CancellationTokenSource();
+        const token = this.cancelIndicator.token;
+
+        if (repository) {
+            if (this.historySupport) {
+                try {
+                    const history = await this.historySupport.getCommitHistory(options);
+                    if (token.isCancellationRequested || !this.hasMoreCommits) {
+                        return;
+                    }
+
+                    if (options && (options.maxCount && history.length < options.maxCount)) {
+                        this.hasMoreCommits = false;
+                    }
+
+                    const avatarCache = new Map<string, string>();
+
+                    const commits: ScmCommitNode[] = [];
+                    for (const commit of history) {
+                        const fileChangeNodes: ScmFileChangeNode[] = [];
+                        await Promise.all(commit.fileChanges.map(async fileChange => {
+                            fileChangeNodes.push({
+                                fileChange, commitId: commit.id
+                            });
+                        }));
+
+                        let avatarUrl = '';
+                        if (avatarCache.has(commit.authorEmail)) {
+                            avatarUrl = avatarCache.get(commit.authorEmail)!;
+                        } else {
+                            avatarUrl = await this.avatarService.getAvatar(commit.authorEmail);
+                            avatarCache.set(commit.authorEmail, avatarUrl);
+                        }
+
+                        commits.push({
+                            commitDetails: commit,
+                            authorAvatar: avatarUrl,
+                            fileChangeNodes,
+                            expanded: false,
+                            selected: false
+                        });
+                    }
+                    this.status = { state: 'ready', commits };
+                } catch (error) {
+                    if (options && options.uri && repository) {
+                        this.hasMoreCommits = false;
+                    }
+                    this.status = { state: 'error', errorMessage: <React.Fragment> {error.message} </React.Fragment> };
+                }
+            } else {
+                this.status = { state: 'error', errorMessage: <React.Fragment>History is not supported for {repository.provider.label} source control.</React.Fragment> };
+            }
+        } else {
+            this.status = {
+                state: 'error',
+                errorMessage: <React.Fragment>{nls.localizeByDefault('No source control providers registered.')}</React.Fragment>
+            };
+        }
+    }
+
+    protected async addOrRemoveFileChangeNodes(commit: ScmCommitNode): Promise<void> {
+        const id = this.scmNodes.findIndex(node => node === commit);
+        if (commit.expanded) {
+            this.removeFileChangeNodes(commit, id);
+        } else {
+            await this.addFileChangeNodes(commit, id);
+        }
+        commit.expanded = !commit.expanded;
+        this.update();
+    }
+
+    protected async addFileChangeNodes(commit: ScmCommitNode, scmNodesArrayIndex: number): Promise<void> {
+        if (commit.fileChangeNodes) {
+            this.scmNodes.splice(scmNodesArrayIndex + 1, 0, ...commit.fileChangeNodes.map(node =>
+                Object.assign(node, { commitSha: commit.commitDetails.id })
+            ));
+        }
+    }
+
+    protected removeFileChangeNodes(commit: ScmCommitNode, scmNodesArrayIndex: number): void {
+        if (commit.fileChangeNodes) {
+            this.scmNodes.splice(scmNodesArrayIndex + 1, commit.fileChangeNodes.length);
+        }
+    }
+
+    storeState(): object {
+        const { options, singleFileMode } = this;
+        return {
+            options,
+            singleFileMode
+        };
+    }
+
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    restoreState(oldState: any): void {
+        this.options = oldState['options'];
+        this.options.maxCount = SCM_HISTORY_MAX_COUNT;
+        this.singleFileMode = oldState['singleFileMode'];
+        this.setContent(this.options);
+    }
+
+    protected onDataReady(): void {
+        if (this.status.state === 'ready') {
+            this.scmNodes = this.status.commits;
+        }
+        this.update();
+    }
+
+    protected render(): React.ReactNode {
+        let content: React.ReactNode;
+        switch (this.status.state) {
+            case 'ready':
+                content = < React.Fragment >
+                    {this.renderHistoryHeader()}
+                    {this.renderCommitList()}
+                </React.Fragment>;
+                break;
+
+            case 'error':
+                const reason: React.ReactNode = this.status.errorMessage;
+                let path: React.ReactNode = '';
+                if (this.options.uri) {
+                    const relPathEncoded = this.scmLabelProvider.relativePath(this.options.uri);
+                    const relPath = relPathEncoded ? `${decodeURIComponent(relPathEncoded)}` : '';
+
+                    const repo = this.scmService.findRepository(new URI(this.options.uri));
+                    const repoName = repo ? `${this.labelProvider.getName(new URI(repo.provider.rootUri))}` : '';
+
+                    const relPathAndRepo = [relPath, repoName].filter(Boolean).join(
+                        ` ${nls.localize('theia/git/prepositionIn', 'in')} `
+                    );
+                    path = `${relPathAndRepo}`;
+                }
+                content = <AlertMessage
+                    type='WARNING'
+                    header={nls.localize('theia/git/noHistoryForError', 'There is no history available for {0}', `${path}`)}>
+                    {reason}
+                </AlertMessage>;
+                break;
+
+            case 'loading':
+                content = <div className='spinnerContainer'>
+                    <span className={`${codicon('loading')} theia-animation-spin large-spinner`}></span>
+                </div>;
+                break;
+        }
+        return <div className='history-container'>
+            {content}
+        </div>;
+    }
+
+    protected renderHistoryHeader(): React.ReactNode {
+        if (this.options.uri) {
+            const path = this.scmLabelProvider.relativePath(this.options.uri);
+            const fileName = path.split('/').pop();
+            return <div className='diff-header'>
+                {
+                    this.renderHeaderRow({ name: 'repository', value: this.getRepositoryLabel(this.options.uri) })
+                }
+                {
+                    this.renderHeaderRow({ name: 'file', value: fileName, title: path })
+                }
+                <div className='theia-header'>
+                    Commits
+                </div>
+            </div>;
+        }
+    }
+
+    protected renderCommitList(): React.ReactNode {
+        const list = <div className='listContainer' id={this.scrollContainer}>
+            <ScmHistoryList
+                ref={listView => this.listView = (listView || undefined)}
+                rows={this.scmNodes}
+                hasMoreRows={this.hasMoreCommits}
+                loadMoreRows={this.loadMoreRows}
+                renderCommit={this.renderCommit}
+                renderFileChangeList={this.renderFileChangeList}
+            ></ScmHistoryList>
+        </div>;
+        this.allowScrollToSelected = true;
+        return list;
+    }
+
+    protected readonly loadMoreRows = (index: number) => this.doLoadMoreRows(index);
+    protected doLoadMoreRows(index: number): Promise<void> {
+        let resolver: () => void;
+        const promise = new Promise<void>(resolve => resolver = resolve);
+        const lastRow = this.scmNodes[index - 1];
+        if (ScmCommitNode.is(lastRow)) {
+            const toRevision = lastRow.commitDetails.id;
+            this.addCommits({
+                range: { toRevision },
+                maxCount: SCM_HISTORY_MAX_COUNT,
+                uri: this.options.uri
+            }).then(() => {
+                this.allowScrollToSelected = false;
+                this.onDataReady();
+                resolver();
+            });
+        }
+        return promise;
+    }
+
+    protected readonly renderCommit = (commit: ScmCommitNode) => this.doRenderCommit(commit);
+    protected doRenderCommit(commit: ScmCommitNode): React.ReactNode {
+        let expansionToggleIcon = codicon('chevron-right');
+        if (commit && commit.expanded) {
+            expansionToggleIcon = codicon('chevron-down');
+        }
+        return <div
+            className={`containerHead${commit.selected ? ' ' + SELECTED_CLASS : ''}`}
+            onClick={
+                e => {
+                    if (commit.selected && !this.singleFileMode) {
+                        this.addOrRemoveFileChangeNodes(commit);
+                    } else {
+                        this.selectNode(commit);
+                    }
+                    e.preventDefault();
+                }
+            }
+            onDoubleClick={
+                e => {
+                    if (this.singleFileMode && commit.fileChangeNodes.length > 0) {
+                        this.openFile(commit.fileChangeNodes[0].fileChange);
+                    }
+                    e.preventDefault();
+                }
+            }
+        >
+            <div className='headContent'><div className='image-container'>
+                <img className='gravatar' src={commit.authorAvatar}></img>
+            </div>
+                <div className={`headLabelContainer${this.singleFileMode ? ' singleFileMode' : ''}`}>
+                    <div className='headLabel noWrapInfo noselect'>
+                        {commit.commitDetails.summary}
+                    </div>
+                    <div className='commitTime noWrapInfo noselect'>
+                        {commit.commitDetails.authorDateRelative + ' by ' + commit.commitDetails.authorName}
+                    </div>
+                </div>
+                <div className={`${codicon('eye')} detailButton`} onClick={() => this.openDetailWidget(commit)}></div>
+                {!this.singleFileMode && <div className='expansionToggle noselect'>
+                    <div className='toggle'>
+                        <div className='number'>{commit.commitDetails.fileChanges.length.toString()}</div>
+                        <div className={'icon ' + expansionToggleIcon}></div>
+                    </div>
+                </div>}
+            </div>
+        </div >;
+    }
+
+    protected async openDetailWidget(commitNode: ScmCommitNode): Promise<void> {
+        const options = {
+            ...commitNode.commitDetails.commitDetailOptions,
+            mode: 'reveal'
+        };
+        open(
+            this.openerService,
+            commitNode.commitDetails.commitDetailUri,
+            options
+        );
+    }
+
+    protected readonly renderFileChangeList = (fileChange: ScmFileChangeNode) => this.doRenderFileChangeList(fileChange);
+    protected doRenderFileChangeList(fileChange: ScmFileChangeNode): React.ReactNode {
+        const fileChangeElement: React.ReactNode = this.renderScmItem(fileChange, fileChange.commitId);
+        return fileChangeElement;
+    }
+
+    protected renderScmItem(change: ScmFileChangeNode, commitSha: string): React.ReactNode {
+        return <ScmItemComponent key={change.fileChange.uri.toString()} {...{
+            labelProvider: this.labelProvider,
+            scmLabelProvider: this.scmLabelProvider,
+            change,
+            revealChange: () => this.openFile(change.fileChange),
+            selectNode: () => this.selectNode(change)
+        }} />;
+    }
+
+    protected override navigateLeft(): void {
+        const selected = this.getSelected();
+        if (selected && this.status.state === 'ready') {
+            if (ScmCommitNode.is(selected)) {
+                const idx = this.status.commits.findIndex(c => c.commitDetails.id === selected.commitDetails.id);
+                if (selected.expanded) {
+                    this.addOrRemoveFileChangeNodes(selected);
+                } else {
+                    if (idx > 0) {
+                        this.selectNode(this.status.commits[idx - 1]);
+                    }
+                }
+            } else if (ScmFileChangeNode.is(selected)) {
+                const idx = this.status.commits.findIndex(c => c.commitDetails.id === selected.commitId);
+                this.selectNode(this.status.commits[idx]);
+            }
+        }
+        this.update();
+    }
+
+    protected override navigateRight(): void {
+        const selected = this.getSelected();
+        if (selected) {
+            if (ScmCommitNode.is(selected) && !selected.expanded && !this.singleFileMode) {
+                this.addOrRemoveFileChangeNodes(selected);
+            } else {
+                this.selectNextNode();
+            }
+        }
+        this.update();
+    }
+
+    protected override handleListEnter(): void {
+        const selected = this.getSelected();
+        if (selected) {
+            if (ScmCommitNode.is(selected)) {
+                if (this.singleFileMode) {
+                    this.openFile(selected.fileChangeNodes[0].fileChange);
+                } else {
+                    this.openDetailWidget(selected);
+                }
+            } else if (ScmFileChangeNode.is(selected)) {
+                this.openFile(selected.fileChange);
+            }
+        }
+        this.update();
+    }
+
+    protected openFile(change: ScmFileChange): void {
+        const uriToOpen = change.getUriToOpen();
+        open(this.openerService, uriToOpen, { mode: 'reveal' });
+    }
+}
+
+export namespace ScmHistoryList {
+    export interface Props {
+        readonly rows: ScmHistoryListNode[]
+        readonly hasMoreRows: boolean
+        readonly loadMoreRows: (index: number) => Promise<void>
+        readonly renderCommit: (commit: ScmCommitNode) => React.ReactNode
+        readonly renderFileChangeList: (fileChange: ScmFileChangeNode) => React.ReactNode
+    }
+}
+export class ScmHistoryList extends React.Component<ScmHistoryList.Props> {
+    list: VirtuosoHandle | undefined;
+
+    protected readonly checkIfRowIsLoaded = (opts: { index: number }) => this.doCheckIfRowIsLoaded(opts);
+    protected doCheckIfRowIsLoaded(opts: { index: number }): boolean {
+        const row = this.props.rows[opts.index];
+        return !!row;
+    }
+
+    override render(): React.ReactNode {
+        const { hasMoreRows, loadMoreRows, rows } = this.props;
+        return <Virtuoso
+            ref={list => this.list = (list || undefined)}
+            data={rows}
+            itemContent={index => this.renderRow(index)}
+            endReached={hasMoreRows ? loadMoreRows : undefined}
+            overscan={500}
+            style={{
+                overflowX: 'hidden'
+            }}
+        />;
+    }
+
+    protected renderRow(index: number): React.ReactNode {
+        if (this.checkIfRowIsLoaded({ index })) {
+            const row = this.props.rows[index];
+            if (ScmCommitNode.is(row)) {
+                const head = this.props.renderCommit(row);
+                return <div className={`commitListElement${index === 0 ? ' first' : ''}`} >
+                    {head}
+                </div>;
+            } else if (ScmFileChangeNode.is(row)) {
+                return <div className='fileChangeListElement'>
+                    {this.props.renderFileChangeList(row)}
+                </div>;
+            }
+        } else {
+            return <div className={`commitListElement${index === 0 ? ' first' : ''}`} >
+                <span className={`${codicon('loading')} theia-animation-spin`}></span>
+            </div>;
+        }
+    };
+}

packages/scm-extra/src/browser/scm-extra-contribution.ts

@@ -0,0 +1,18 @@
+// *****************************************************************************
+// Copyright (C) 2019 Arm and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+import { EDITOR_CONTEXT_MENU } from '@theia/editor/lib/browser';
+
+export const EDITOR_CONTEXT_MENU_SCM = [...EDITOR_CONTEXT_MENU, '3_scm'];

packages/scm-extra/src/browser/scm-extra-frontend-module.ts

@@ -0,0 +1,27 @@
+// *****************************************************************************
+// Copyright (C) 2019 Arm and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { ContainerModule } from '@theia/core/shared/inversify';
+import { bindScmHistoryModule } from './history/scm-history-frontend-module';
+import { ScmFileChangeLabelProvider } from './scm-file-change-label-provider';
+import { LabelProviderContribution } from '@theia/core/lib/browser';
+
+export default new ContainerModule(bind => {
+    bindScmHistoryModule(bind);
+
+    bind(ScmFileChangeLabelProvider).toSelf().inSingletonScope();
+    bind(LabelProviderContribution).toService(ScmFileChangeLabelProvider);
+});

packages/scm-extra/src/browser/scm-extra-layout-migrations.ts

@@ -0,0 +1,32 @@
+// *****************************************************************************
+// Copyright (C) 2020 Arm and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { injectable } from '@theia/core/shared/inversify';
+import { ApplicationShellLayoutMigration, WidgetDescription, ApplicationShellLayoutMigrationContext } from '@theia/core/lib/browser/shell/shell-layout-restorer';
+import { SCM_HISTORY_ID } from './history/scm-history-contribution';
+
+@injectable()
+export class ScmExtraLayoutVersion4Migration implements ApplicationShellLayoutMigration {
+    readonly layoutVersion = 4.0;
+    onWillInflateWidget(desc: WidgetDescription, { parent }: ApplicationShellLayoutMigrationContext): WidgetDescription | undefined {
+        if (desc.constructionOptions.factoryId === 'git-history') {
+            desc.constructionOptions.factoryId = SCM_HISTORY_ID;
+            return desc;
+        }
+
+        return undefined;
+    }
+}

packages/scm-extra/src/browser/scm-file-change-label-provider.ts

@@ -0,0 +1,73 @@
+// *****************************************************************************
+// Copyright (C) 2019 TypeFox and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { injectable, inject } from '@theia/core/shared/inversify';
+import { LabelProviderContribution, DidChangeLabelEvent, LabelProvider } from '@theia/core/lib/browser/label-provider';
+import { ScmFileChangeNode } from './scm-file-change-node';
+import URI from '@theia/core/lib/common/uri';
+import { ScmService } from '@theia/scm/lib/browser/scm-service';
+
+@injectable()
+export class ScmFileChangeLabelProvider implements LabelProviderContribution {
+
+    @inject(LabelProvider)
+    protected readonly labelProvider: LabelProvider;
+
+    @inject(ScmService)
+    protected readonly scmService: ScmService;
+
+    canHandle(element: object): number {
+        return ScmFileChangeNode.is(element) ? 100 : 0;
+    }
+
+    getIcon(node: ScmFileChangeNode): string {
+        return this.labelProvider.getIcon(new URI(node.fileChange.uri));
+    }
+
+    getName(node: ScmFileChangeNode): string {
+        return this.labelProvider.getName(new URI(node.fileChange.uri));
+    }
+
+    getDescription(node: ScmFileChangeNode): string {
+        return this.relativePath(new URI(node.fileChange.uri).parent);
+    }
+
+    affects(node: ScmFileChangeNode, event: DidChangeLabelEvent): boolean {
+        return event.affects(new URI(node.fileChange.uri));
+    }
+
+    getCaption(node: ScmFileChangeNode): string {
+        return node.fileChange.getCaption();
+    }
+
+    relativePath(uri: URI | string): string {
+        const parsedUri = typeof uri === 'string' ? new URI(uri) : uri;
+        const repo = this.scmService.findRepository(parsedUri);
+        if (repo) {
+            const repositoryUri = new URI(repo.provider.rootUri);
+            const relativePath = repositoryUri.relative(parsedUri);
+            if (relativePath) {
+                return relativePath.toString();
+            }
+        }
+        return this.labelProvider.getLongName(parsedUri);
+    }
+
+    getStatusCaption(node: ScmFileChangeNode): string {
+        return node.fileChange.getStatusCaption();
+    }
+
+}

packages/scm-extra/src/browser/scm-file-change-node.ts

@@ -0,0 +1,45 @@
+// *****************************************************************************
+// Copyright (C) 2018 Ericsson and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { ScmCommit } from '@theia/scm/lib/browser/scm-provider';
+import URI from '@theia/core/lib/common/uri';
+import { isObject } from '@theia/core/lib/common';
+
+export interface ScmFileChangeNode {
+    readonly fileChange: ScmFileChange;
+    readonly commitId: string;
+    selected?: boolean;
+}
+export namespace ScmFileChangeNode {
+    export function is(node: unknown): node is ScmFileChangeNode {
+        return isObject(node) && 'fileChange' in node && 'commitId' in node;
+    }
+}
+
+export interface ScmHistoryCommit extends ScmCommit {
+    readonly commitDetailUri: URI;
+    readonly fileChanges: ScmFileChange[];
+    readonly commitDetailOptions: {};
+}
+
+export interface ScmFileChange {
+    readonly uri: string;
+    getCaption(): string;
+    getStatusCaption(): string;
+    getStatusAbbreviation(): string;
+    getClassNameForStatus(): string;
+    getUriToOpen(): URI;
+}

packages/scm-extra/src/browser/scm-navigable-list-widget.tsx

@@ -0,0 +1,197 @@
+// *****************************************************************************
+// Copyright (C) 2018 TypeFox and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { SELECTED_CLASS, Key, Widget } from '@theia/core/lib/browser';
+import { ScmService } from '@theia/scm/lib/browser/scm-service';
+import URI from '@theia/core/lib/common/uri';
+import { LabelProvider } from '@theia/core/lib/browser/label-provider';
+import { Message } from '@theia/core/shared/@lumino/messaging';
+import { ElementExt } from '@theia/core/shared/@lumino/domutils';
+import { inject, injectable } from '@theia/core/shared/inversify';
+import { ReactWidget } from '@theia/core/lib/browser/widgets/react-widget';
+import * as React from '@theia/core/shared/react';
+import { ScmFileChangeLabelProvider } from './scm-file-change-label-provider';
+import { ScmFileChangeNode } from './scm-file-change-node';
+
+@injectable()
+export abstract class ScmNavigableListWidget<T extends { selected?: boolean }> extends ReactWidget {
+
+    protected scmNodes: T[] = [];
+    private _scrollContainer: string;
+
+    @inject(ScmService) protected readonly scmService: ScmService;
+    @inject(LabelProvider) protected readonly labelProvider: LabelProvider;
+    @inject(ScmFileChangeLabelProvider) protected readonly scmLabelProvider: ScmFileChangeLabelProvider;
+
+    constructor() {
+        super();
+        this.node.tabIndex = 0;
+    }
+
+    protected override onActivateRequest(msg: Message): void {
+        super.onActivateRequest(msg);
+        this.update();
+        this.node.focus();
+    }
+
+    protected set scrollContainer(id: string) {
+        this._scrollContainer = id + Date.now();
+    }
+
+    protected get scrollContainer(): string {
+        return this._scrollContainer;
+    }
+
+    protected override onUpdateRequest(msg: Message): void {
+        if (!this.isAttached || !this.isVisible) {
+            return;
+        }
+        super.onUpdateRequest(msg);
+        (async () => {
+            const selected = this.node.getElementsByClassName(SELECTED_CLASS)[0];
+            if (selected) {
+                const container = document.getElementById(this.scrollContainer);
+                if (container) {
+                    ElementExt.scrollIntoViewIfNeeded(container, selected);
+                }
+            }
+        })();
+    }
+
+    protected override onResize(msg: Widget.ResizeMessage): void {
+        super.onResize(msg);
+        this.update();
+    }
+
+    protected getRepositoryLabel(uri: string): string | undefined {
+        const repository = this.scmService.findRepository(new URI(uri));
+        const isSelectedRepo = this.scmService.selectedRepository && repository && this.scmService.selectedRepository.provider.rootUri === repository.provider.rootUri;
+        return repository && !isSelectedRepo ? this.labelProvider.getLongName(new URI(repository.provider.rootUri)) : undefined;
+    }
+
+    protected renderHeaderRow({ name, value, classNames, title }: { name: string, value: React.ReactNode, classNames?: string[], title?: string }): React.ReactNode {
+        if (!value) {
+            return;
+        }
+        const className = ['header-row', ...(classNames || [])].join(' ');
+        return <div key={name} className={className} title={title}>
+            <div className='theia-header'>{name}</div>
+            <div className='header-value'>{value}</div>
+        </div>;
+    }
+
+    protected addListNavigationKeyListeners(container: HTMLElement): void {
+        this.addKeyListener(container, Key.ARROW_LEFT, () => this.navigateLeft());
+        this.addKeyListener(container, Key.ARROW_RIGHT, () => this.navigateRight());
+        this.addKeyListener(container, Key.ARROW_UP, () => this.navigateUp());
+        this.addKeyListener(container, Key.ARROW_DOWN, () => this.navigateDown());
+        this.addKeyListener(container, Key.ENTER, () => this.handleListEnter());
+    }
+
+    protected navigateLeft(): void {
+        this.selectPreviousNode();
+    }
+
+    protected navigateRight(): void {
+        this.selectNextNode();
+    }
+
+    protected navigateUp(): void {
+        this.selectPreviousNode();
+    }
+
+    protected navigateDown(): void {
+        this.selectNextNode();
+    }
+
+    protected handleListEnter(): void {
+
+    }
+
+    protected getSelected(): T | undefined {
+        return this.scmNodes ? this.scmNodes.find(c => c.selected || false) : undefined;
+    }
+
+    protected selectNode(node: T): void {
+        const n = this.getSelected();
+        if (n) {
+            n.selected = false;
+        }
+        node.selected = true;
+        this.update();
+    }
+
+    protected selectNextNode(): void {
+        const idx = this.indexOfSelected;
+        if (idx >= 0 && idx < this.scmNodes.length - 1) {
+            this.selectNode(this.scmNodes[idx + 1]);
+        } else if (this.scmNodes.length > 0 && idx === -1) {
+            this.selectNode(this.scmNodes[0]);
+        }
+    }
+
+    protected selectPreviousNode(): void {
+        const idx = this.indexOfSelected;
+        if (idx > 0) {
+            this.selectNode(this.scmNodes[idx - 1]);
+        }
+    }
+
+    protected get indexOfSelected(): number {
+        if (this.scmNodes && this.scmNodes.length > 0) {
+            return this.scmNodes.findIndex(c => c.selected || false);
+        }
+        return -1;
+    }
+}
+
+export namespace ScmItemComponent {
+    export interface Props {
+        labelProvider: LabelProvider;
+        scmLabelProvider: ScmFileChangeLabelProvider;
+        change: ScmFileChangeNode;
+        revealChange: (change: ScmFileChangeNode) => void
+        selectNode: (change: ScmFileChangeNode) => void
+    }
+}
+export class ScmItemComponent extends React.Component<ScmItemComponent.Props> {
+
+    override render(): JSX.Element {
+        const { labelProvider, scmLabelProvider, change } = this.props;
+        const icon = labelProvider.getIcon(change);
+        const label = labelProvider.getName(change);
+        const description = labelProvider.getLongName(change);
+        const caption = scmLabelProvider.getCaption(change);
+        const statusCaption = scmLabelProvider.getStatusCaption(change);
+        return <div className={`scmItem noselect${change.selected ? ' ' + SELECTED_CLASS : ''}`}
+            onDoubleClick={this.revealChange}
+            onClick={this.selectNode}>
+            <span className={icon + ' file-icon'}></span>
+            <div className='noWrapInfo' title={caption} >
+                <span className='name'>{label + ' '}</span>
+                <span className='path'>{description}</span>
+            </div>
+            <div
+                title={caption}
+                className={change.fileChange.getClassNameForStatus()}>
+                {statusCaption.charAt(0)}
+            </div>
+        </div>;
+    }
+
+    protected readonly revealChange = () => this.props.revealChange(this.props.change);
+    protected readonly selectNode = () => this.props.selectNode(this.props.change);
+}

packages/scm-extra/src/browser/style/history.css

@@ -0,0 +1,164 @@
+/********************************************************************************
+ * Copyright (C) 2018 TypeFox and others.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the Eclipse
+ * Public License v. 2.0 are satisfied: GNU General Public License, version 2
+ * with the GNU Classpath Exception which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+ ********************************************************************************/
+
+.theia-scm-history .history-container {
+  display: flex;
+  flex-direction: column;
+  position: relative;
+  height: 100%;
+}
+
+.theia-scm-history .listContainer {
+  flex: 1;
+  position: relative;
+}
+
+.theia-scm-history .commitList {
+  height: 100%;
+}
+
+.theia-scm-history .history-container .noWrapInfo {
+  width: 100%;
+}
+
+.theia-scm-history .commitList .commitListElement {
+  margin: 3px 0;
+}
+
+.theia-scm-history .commitListElement.first .containerHead {
+  border: none;
+}
+
+.theia-scm-history .commitListElement .containerHead {
+  width: calc(100% - 5px);
+  height: 50px;
+  display: flex;
+  align-items: center;
+  border-top: 1px solid var(--theia-contrastBorder);
+}
+
+.theia-scm-history .commitListElement .containerHead:hover {
+  background-color: var(--theia-list-hoverBackground);
+  color: var(--theia-list-hoverForeground);
+  cursor: pointer;
+}
+
+.theia-scm-history:focus-within
+  .commitListElement
+  .containerHead.theia-mod-selected {
+  background: var(--theia-list-focusBackground);
+  color: var(--theia-list-focusForeground);
+}
+
+.theia-scm-history:not(:focus-within)
+  .commitListElement
+  .containerHead.theia-mod-selected {
+  background: var(--theia-list-inactiveFocusBackground);
+}
+
+.theia-scm-history .commitListElement .containerHead .headContent {
+  display: flex;
+  width: 100%;
+  box-sizing: border-box;
+  padding: 0 8px 0 2px;
+}
+
+.theia-scm-history
+  .commitListElement
+  .containerHead
+  .headContent
+  .image-container {
+  margin-right: 5px;
+}
+
+.theia-scm-history
+  .commitListElement
+  .containerHead
+  .headContent
+  .image-container
+  img {
+  width: 27px;
+}
+
+.theia-scm-history
+  .commitListElement
+  .containerHead
+  .headContent
+  .headLabelContainer {
+  min-width: calc(100% - 93px);
+}
+
+.theia-scm-history
+  .commitListElement
+  .containerHead
+  .headContent
+  .headLabelContainer.singleFileMode {
+  width: 100%;
+}
+
+.theia-scm-history
+  .commitListElement
+  .containerHead
+  .headContent
+  .expansionToggle {
+  display: flex;
+  align-items: center;
+}
+
+.theia-scm-history
+  .commitListElement
+  .containerHead
+  .headContent
+  .detailButton {
+  display: flex;
+  align-items: center;
+  visibility: hidden;
+  margin: 0 5px;
+}
+
+.theia-scm-history
+  .commitListElement
+  .containerHead:hover
+  .headContent
+  .detailButton {
+  visibility: visible;
+}
+
+.theia-scm-history
+  .commitListElement
+  .containerHead
+  .headContent
+  .expansionToggle
+  > .toggle {
+  display: flex;
+  background: var(--theia-list-focusBackground);
+  padding: 5px;
+  border-radius: 7px;
+  margin-left: 5px;
+  align-items: center;
+  justify-content: flex-end;
+  min-width: 30px;
+  color: var(--theia-theia-list-focusForeground);
+}
+
+.theia-scm-history .commitTime {
+  color: var(--theia-descriptionForeground);
+  font-size: smaller;
+}
+
+.theia-scm-history .large-spinner {
+  font-size: 48px;
+}