Fixes #1161, #1157 - re-adds file comparison

Author: eamodio

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+
+### Fixed
+
+- Fixes [#1161](https://github.com/eamodio/vscode-gitlens/issues/1161) - Compare file differences between branches
+- Fixes [#1157](https://github.com/eamodio/vscode-gitlens/issues/1157) - GitLens report `X files changed` when comparing working tree with a branch having identical files
+
 ## [11.0.3] - 2020-11-22
 
 ### Fixed

README.md

@@ -252,9 +252,10 @@ The _Commits_ view lists all of the commits on the current branch, and additiona
 - a toggle to change the file layout: list, tree, auto
 - a branch comparison tool (**Compare <current branch> with <branch, tag, or ref>**) — [optionally](#commits-view-settings- 'Jump to the Commits view settings') shows a comparison of the current branch (or working tree) to a user-selected reference
   - **Behind** — lists the commits that are missing from the current branch (i.e. behind) but exist in the selected reference
-    - **# files changed** — lists all of the files changed between the compared references
+    - **# files changed** — lists all of the files changed in the behind commits
   - **Ahead** — lists the commits that the current branch has (i.e. ahead) but are missing in the selected reference
-    - **# files changed** — lists all of the files changed between the compared references
+    - **# files changed** — lists all of the files changed in the ahead commits
+  - **# files changed** — lists all of the files changed between the compared references
 - the current branch status — shows the upstream status of the current branch
   - **Publish <current branch> to <remote>** — shown when the current branch has not been published to a remote
   - **Up to date with <remote>** — shown when the current branch is up to date with the upstream remote
@@ -302,9 +303,10 @@ The _Branches_ view lists all of the local branches, and additionally provides,
   - _Yellow dot_ — both unpublished and un-pulled changes
 - a branch comparison tool (**Compare <branch> with <branch, tag, or ref>**) — [optionally](#branches-view-settings- 'Jump to the Branches view settings') shows a comparison of the branch to a user-selected reference
   - **Behind** — lists the commits that are missing from the branch (i.e. behind) but exist in the selected reference
-    - **# files changed** — lists all of the files changed between the compared references
+    - **# files changed** — lists all of the files changed in the behind commits
   - **Ahead** — lists the commits that the branch has (i.e. ahead) but are missing in the selected reference
-    - **# files changed** — lists all of the files changed between the compared references
+    - **# files changed** — lists all of the files changed in the ahead commits
+  - **# files changed** — lists all of the files changed between the compared references
 - the branch status — shows the upstream status of the branch
   - **Publish <branch> to <remote>** — shown when the current branch has not been published to a remote
   - **Changes to push to <remote>** — lists of all the files changed in the unpublished commits when the branch has (unpublished) commits that waiting to be pushed to the upstream remote
@@ -396,9 +398,10 @@ The _Search & Compare_ view lists pinnable (saved) results for searching commit
     - _Show Commit_ command (`gitlens.showQuickCommitDetails`)
 - pinnable comparison — shows a comparison of the two user-selected references
   - **Behind** — lists the commits that are missing from the branch (i.e. behind) but exist in the selected reference
-    - **# files changed** — lists all of the files changed between the compared references
+    - **# files changed** — lists all of the files changed in the behind commits
   - **Ahead** — lists the commits that the branch has (i.e. ahead) but are missing in the selected reference
-    - **# files changed** — lists all of the files changed between the compared references
+    - **# files changed** — lists all of the files changed in the ahead commits
+  - **# files changed** — lists all of the files changed between the compared references
   - Comparision results can be provided by the following commands
     - _Compare with Upstream_ command (`gitlens.views.compareWithUpstream`)
     - _Compare with Working Tree_ command (`gitlens.views.compareWithWorking`)

src/views/nodes/compareBranchNode.ts

@@ -11,7 +11,7 @@ import { CommandQuickPickItem, ReferencePicker } from '../../quickpicks';
 import { RepositoriesView } from '../repositoriesView';
 import { RepositoryNode } from './repositoryNode';
 import { CommitsQueryResults, ResultsCommitsNode } from './resultsCommitsNode';
-import { FilesQueryResults } from './resultsFilesNode';
+import { FilesQueryResults, ResultsFilesNode } from './resultsFilesNode';
 import { debug, gate, log, Strings } from '../../system';
 import { ContextValues, ViewNode } from './viewNode';
 
@@ -115,6 +115,18 @@ export class CompareBranchNode extends ViewNode<BranchesView | CommitsView | Rep
 						expand: false,
 					},
 				),
+				new ResultsFilesNode(
+					this.view,
+					this,
+					this.uri.repoPath!,
+					this.branch.ref,
+					this.compareWithWorkingTree ? '' : this._compareWith.ref || 'HEAD',
+					this.getFilesQuery.bind(this),
+					undefined,
+					{
+						expand: false,
+					},
+				),
 			];
 		}
 		return this._children;
@@ -289,6 +301,24 @@ export class CompareBranchNode extends ViewNode<BranchesView | CommitsView | Rep
 		};
 	}
 
+	private async getFilesQuery(): Promise<FilesQueryResults> {
+		let comparison;
+		if (this._compareWith!.ref === '') {
+			comparison = this.branch.ref;
+		} else if (this.compareWithWorkingTree) {
+			comparison = this._compareWith!.ref;
+		} else {
+			comparison = `${this._compareWith!.ref}..${this.branch.ref}`;
+		}
+
+		const files = await Container.git.getDiffStatus(this.uri.repoPath!, comparison);
+
+		return {
+			label: `${Strings.pluralize('file', files?.length ?? 0, { zero: 'No' })} changed`,
+			files: files,
+		};
+	}
+
 	private loadCompareWith() {
 		const comparisons = Container.context.workspaceState.get<BranchComparisons>(WorkspaceState.BranchComparisons);
 

src/views/nodes/compareResultsNode.ts

@@ -6,7 +6,7 @@ import { GitRevision } from '../../git/git';
 import { GitUri } from '../../git/gitUri';
 import { debug, gate, log, Strings } from '../../system';
 import { CommitsQueryResults, ResultsCommitsNode } from './resultsCommitsNode';
-import { FilesQueryResults } from './resultsFilesNode';
+import { FilesQueryResults, ResultsFilesNode } from './resultsFilesNode';
 import { ContextValues, ViewNode } from './viewNode';
 import { RepositoryNode } from './repositoryNode';
 import { SearchAndCompareView } from '../searchAndCompareView';
@@ -121,6 +121,18 @@ export class CompareResultsNode extends ViewNode<SearchAndCompareView> {
 						expand: false,
 					},
 				),
+				new ResultsFilesNode(
+					this.view,
+					this,
+					this.uri.repoPath!,
+					this._ref.ref,
+					this._compareWith.ref,
+					this.getFilesQuery.bind(this),
+					undefined,
+					{
+						expand: false,
+					},
+				),
 			];
 		}
 		return this._children;
@@ -292,6 +304,24 @@ export class CompareResultsNode extends ViewNode<SearchAndCompareView> {
 		};
 	}
 
+	private async getFilesQuery(): Promise<FilesQueryResults> {
+		let comparison;
+		if (this._compareWith.ref === '') {
+			comparison = this._ref.ref;
+		} else if (this._ref.ref === '') {
+			comparison = this._compareWith.ref;
+		} else {
+			comparison = `${this._compareWith.ref}..${this._ref.ref}`;
+		}
+
+		const files = await Container.git.getDiffStatus(this.uri.repoPath!, comparison);
+
+		return {
+			label: `${Strings.pluralize('file', files?.length ?? 0, { zero: 'No' })} changed`,
+			files: files,
+		};
+	}
+
 	private updatePinned() {
 		return this.view.updatePinned(this.getPinnableId(), {
 			type: 'comparison',