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Git - refactor blame cache in preparation to more changes (#234604)

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This commit is contained in:
Ladislau Szomoru
2024-11-25 21:28:32 +01:00
committed by GitHub
parent ebe6e7f4f2
commit 220a8c5ee8
1 changed files with 33 additions and 39 deletions
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72
extensions/git/src/blame.ts
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@@ -5,10 +5,11 @@
import { DecorationOptions, l10n, Position, Range, TextEditor, TextEditorChange, TextEditorDecorationType, TextEditorChangeKind, ThemeColor, Uri, window, workspace, EventEmitter, ConfigurationChangeEvent, StatusBarItem, StatusBarAlignment, Command, MarkdownString } from 'vscode';
import { Model } from './model';
import { dispose, fromNow, IDisposable } from './util';
import { dispose, fromNow, IDisposable, pathEquals } from './util';
import { Repository } from './repository';
import { throttle } from './decorators';
import { BlameInformation } from './git';
import { fromGitUri, isGitUri } from './uri';
function lineRangesContainLine(changes: readonly TextEditorChange[], lineNumber: number): boolean {
return changes.some(c => c.modified.startLineNumber <= lineNumber && lineNumber < c.modified.endLineNumberExclusive);
@@ -79,8 +80,9 @@ function formatBlameInformation(template: string, blameInformation: BlameInforma
}
interface RepositoryBlameInformation {
readonly commit: string; /* commit used for blame information */
readonly blameInformation: Map<Uri, BlameInformation[]>;
readonly commit: string;
readonly resource: Uri;
readonly blameInformation: BlameInformation[];
}
interface LineBlameInformation {
@@ -94,7 +96,7 @@ export class GitBlameController {
readonly textEditorBlameInformation = new Map<TextEditor, readonly LineBlameInformation[]>();
private readonly _repositoryBlameInformation = new Map<Repository, RepositoryBlameInformation>();
private readonly _repositoryBlameInformation = new Map<Repository, RepositoryBlameInformation[]>();
private _repositoryDisposables = new Map<Repository, IDisposable[]>();
private _disposables: IDisposable[] = [];
@@ -170,41 +172,34 @@ export class GitBlameController {
return;
}
// HEAD commit changed (remove blame information for the repository)
if (repositoryBlameInformation.commit !== repository.HEAD?.commit) {
this._repositoryBlameInformation.delete(repository);
for (const textEditor of window.visibleTextEditors) {
this._updateTextEditorBlameInformation(textEditor);
}
for (const textEditor of window.visibleTextEditors) {
this._updateTextEditorBlameInformation(textEditor);
}
}
private async _getBlameInformation(resource: Uri): Promise<BlameInformation[] | undefined> {
private async _getBlameInformation(resource: Uri, commit: string): Promise<BlameInformation[] | undefined> {
const repository = this._model.getRepository(resource);
if (!repository || !repository.HEAD?.commit) {
if (!repository) {
return undefined;
}
const repositoryBlameInformation = this._repositoryBlameInformation.get(repository) ?? {
commit: repository.HEAD.commit,
blameInformation: new Map<Uri, BlameInformation[]>()
} satisfies RepositoryBlameInformation;
let resourceBlameInformation = repositoryBlameInformation.blameInformation.get(resource);
if (repositoryBlameInformation.commit === repository.HEAD.commit && resourceBlameInformation) {
return resourceBlameInformation;
const repositoryBlameInformation = this._repositoryBlameInformation.get(repository) ?? [];
const resourceBlameInformation = repositoryBlameInformation
.find(b => pathEquals(b.resource.fsPath, resource.fsPath) && b.commit === commit);
if (resourceBlameInformation) {
return resourceBlameInformation.blameInformation;
}
// Get blame information for the resource
resourceBlameInformation = await repository.blame2(resource.fsPath, repository.HEAD.commit) ?? [];
// Get blame information for the resource and cache it
const blameInformation = await repository.blame2(resource.fsPath, commit) ?? [];
this._repositoryBlameInformation.set(repository, {
...repositoryBlameInformation,
blameInformation: repositoryBlameInformation.blameInformation.set(resource, resourceBlameInformation)
});
repositoryBlameInformation.push({
commit, resource, blameInformation
} satisfies RepositoryBlameInformation);
return resourceBlameInformation;
this._repositoryBlameInformation.set(repository, repositoryBlameInformation);
return blameInformation;
}
@throttle
@@ -213,21 +208,20 @@ export class GitBlameController {
return;
}
const repository = this._model.getRepository(textEditor.document.uri);
if (!repository || !repository.HEAD?.commit) {
return;
}
// Working tree diff information
const diffInformationWorkingTree = textEditor.diffInformation
.filter(diff => diff.original?.scheme === 'git')
.find(diff => {
const query = JSON.parse(diff.original!.query) as { ref: string };
return query.ref !== 'HEAD';
});
.filter(diff => diff.original && isGitUri(diff.original))
.find(diff => fromGitUri(diff.original!).ref !== 'HEAD');
// Working tree + index diff information
const diffInformationWorkingTreeAndIndex = textEditor.diffInformation
.filter(diff => diff.original?.scheme === 'git')
.find(diff => {
const query = JSON.parse(diff.original!.query) as { ref: string };
return query.ref === 'HEAD';
});
.filter(diff => diff.original && isGitUri(diff.original))
.find(diff => fromGitUri(diff.original!).ref === 'HEAD');
// Working tree diff information is not present or it is stale
if (!diffInformationWorkingTree || diffInformationWorkingTree.isStale) {
@@ -245,7 +239,7 @@ export class GitBlameController {
const diffInformation = diffInformationWorkingTreeAndIndex ?? diffInformationWorkingTree;
// Git blame information
const resourceBlameInformation = await this._getBlameInformation(textEditor.document.uri);
const resourceBlameInformation = await this._getBlameInformation(textEditor.document.uri, repository.HEAD.commit);
if (!resourceBlameInformation) {
return;
}