mirror of
https://github.com/ckaczor/vscode-gitlens.git
synced 2026-01-14 10:03:15 -05:00
5f147f6262
Tried to find the most recent filename given a commit, but git doesn't seem to want to cooperate
622 lines
24 KiB
TypeScript
622 lines
24 KiB
TypeScript
'use strict';
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import { /*Functions,*/ Iterables, Objects } from './system';
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import { Disposable, Event, EventEmitter, ExtensionContext, languages, Location, Position, Range, TextDocument, TextEditor, Uri, workspace } from 'vscode';
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import { CodeLensVisibility, IConfig } from './configuration';
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import { DocumentSchemes, WorkspaceState } from './constants';
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import Git, { GitBlameParserEnricher, GitBlameFormat, GitCommit, GitLogParserEnricher, IGitAuthor, IGitBlame, IGitBlameLine, IGitBlameLines, IGitLog } from './git/git';
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import { IGitUriData, GitUri } from './git/gitUri';
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import GitCodeLensProvider from './gitCodeLensProvider';
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import { Logger } from './logger';
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import * as fs from 'fs';
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import * as ignore from 'ignore';
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import * as moment from 'moment';
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import * as path from 'path';
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export { Git, GitUri };
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export * from './git/git';
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class UriCacheEntry {
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constructor(public uri: GitUri) { }
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}
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class GitCacheEntry {
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blame?: ICachedBlame;
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log?: ICachedLog;
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get hasErrors() {
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return !!((this.blame && this.blame.errorMessage) || (this.log && this.log.errorMessage));
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}
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}
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interface ICachedItem<T> {
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//date: Date;
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item: Promise<T>;
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errorMessage?: string;
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}
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interface ICachedBlame extends ICachedItem<IGitBlame> { }
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interface ICachedLog extends ICachedItem<IGitLog> { }
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enum RemoveCacheReason {
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DocumentClosed,
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DocumentSaved
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}
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export default class GitProvider extends Disposable {
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private _onDidRemoveCacheEntryEmitter = new EventEmitter<void>();
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get onDidRemoveCacheEntry(): Event<void> {
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return this._onDidRemoveCacheEntryEmitter.event;
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}
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private _gitCache: Map<string, GitCacheEntry> | undefined;
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private _cacheDisposable: Disposable | undefined;
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private _repoPath: string;
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private _uriCache: Map<string, UriCacheEntry> | undefined;
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config: IConfig;
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private _codeLensProvider: GitCodeLensProvider | undefined;
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private _codeLensProviderDisposable: Disposable | undefined;
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private _disposable: Disposable;
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private _gitignore: Promise<ignore.Ignore>;
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static EmptyPromise: Promise<IGitBlame | IGitLog> = Promise.resolve(undefined);
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static BlameFormat = GitBlameFormat.incremental;
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constructor(private context: ExtensionContext) {
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super(() => this.dispose());
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this._repoPath = context.workspaceState.get(WorkspaceState.RepoPath) as string;
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this._onConfigurationChanged();
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const subscriptions: Disposable[] = [];
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subscriptions.push(workspace.onDidChangeConfiguration(this._onConfigurationChanged, this));
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this._disposable = Disposable.from(...subscriptions);
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}
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dispose() {
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this._disposable && this._disposable.dispose();
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this._codeLensProviderDisposable && this._codeLensProviderDisposable.dispose();
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this._codeLensProviderDisposable = undefined;
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this._codeLensProvider = undefined;
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this._cacheDisposable && this._cacheDisposable.dispose();
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this._uriCache && this._uriCache.clear();
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this._gitCache && this._gitCache.clear();
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}
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public get UseUriCaching() {
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return !!this._uriCache;
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}
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public get UseGitCaching() {
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return !!this._gitCache;
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}
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private _onConfigurationChanged() {
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const config = workspace.getConfiguration().get<IConfig>('gitlens');
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const codeLensChanged = !Objects.areEquivalent(config.codeLens, this.config && this.config.codeLens);
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const advancedChanged = !Objects.areEquivalent(config.advanced, this.config && this.config.advanced);
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if (codeLensChanged || advancedChanged) {
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Logger.log('CodeLens config changed; resetting CodeLens provider');
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// this._codeLensProviderDisposable && this._codeLensProviderDisposable.dispose();
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if (config.codeLens.visibility === CodeLensVisibility.Auto && (config.codeLens.recentChange.enabled || config.codeLens.authors.enabled)) {
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if (this._codeLensProvider) {
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this._codeLensProvider.reset();
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}
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else {
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this._codeLensProvider = new GitCodeLensProvider(this.context, this);
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this._codeLensProviderDisposable = languages.registerCodeLensProvider(GitCodeLensProvider.selector, this._codeLensProvider);
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}
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}
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else {
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this._codeLensProviderDisposable && this._codeLensProviderDisposable.dispose();
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this._codeLensProviderDisposable = undefined;
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this._codeLensProvider = undefined;
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}
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}
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if (advancedChanged) {
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if (config.advanced.caching.enabled) {
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// TODO: Cache needs to be cleared on file changes -- createFileSystemWatcher or timeout?
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this._gitCache = new Map();
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this._uriCache = new Map();
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const disposables: Disposable[] = [];
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// TODO: Maybe stop clearing on close and instead limit to a certain number of recent blames
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disposables.push(workspace.onDidCloseTextDocument(d => this._removeCachedEntry(d, RemoveCacheReason.DocumentClosed)));
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disposables.push(workspace.onDidSaveTextDocument(d => this._removeCachedEntry(d, RemoveCacheReason.DocumentSaved)));
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this._cacheDisposable = Disposable.from(...disposables);
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}
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else {
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this._cacheDisposable && this._cacheDisposable.dispose();
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this._cacheDisposable = undefined;
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this._uriCache && this._uriCache.clear();
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this._uriCache = undefined;
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this._gitCache && this._gitCache.clear();
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this._gitCache = undefined;
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}
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this._gitignore = new Promise<ignore.Ignore | undefined>((resolve, reject) => {
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if (!config.advanced.gitignore.enabled) {
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resolve(undefined);
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return;
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}
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const gitignorePath = path.join(this._repoPath, '.gitignore');
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fs.exists(gitignorePath, e => {
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if (e) {
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fs.readFile(gitignorePath, 'utf8', (err, data) => {
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if (!err) {
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resolve(ignore().add(data));
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return;
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}
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resolve(undefined);
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});
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return;
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}
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resolve(undefined);
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});
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});
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}
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this.config = config;
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}
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private _getCacheEntryKey(fileName: string) {
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return fileName.toLowerCase();
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}
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private _removeCachedEntry(document: TextDocument, reason: RemoveCacheReason) {
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if (!this.UseGitCaching) return;
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if (document.uri.scheme !== DocumentSchemes.File) return;
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const fileName = Git.normalizePath(document.fileName);
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const cacheKey = this._getCacheEntryKey(fileName);
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if (reason === RemoveCacheReason.DocumentClosed) {
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// Don't remove this from cache because at least for now DocumentClosed can't really be trusted
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// It seems to fire when an editor is no longer visible (but the tab still is)
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// if (this._fileCache.delete(cacheKey)) {
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// Logger.log(`Clear uri cache entry for '${cacheKey}', reason=${RemoveCacheReason[reason]}`);
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// }
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// Don't remove broken blame on close (since otherwise we'll have to run the broken blame again)
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const entry = this._gitCache.get(cacheKey);
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if (entry && entry.hasErrors) return;
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}
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if (this._gitCache.delete(cacheKey)) {
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Logger.log(`Clear cache entry for '${cacheKey}', reason=${RemoveCacheReason[reason]}`);
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if (reason === RemoveCacheReason.DocumentSaved) {
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this._onDidRemoveCacheEntryEmitter.fire();
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// Refresh the codelenses with the update blame
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this._codeLensProvider && this._codeLensProvider.reset();
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}
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}
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}
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hasGitUriForFile(editor: TextEditor): boolean;
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hasGitUriForFile(fileName: string): boolean;
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hasGitUriForFile(fileNameOrEditor: string | TextEditor): boolean {
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if (!this.UseUriCaching) return false;
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let fileName: string;
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if (typeof fileNameOrEditor === 'string') {
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fileName = fileNameOrEditor;
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}
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else {
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if (!fileNameOrEditor || !fileNameOrEditor.document || !fileNameOrEditor.document.uri) return false;
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fileName = fileNameOrEditor.document.uri.fsPath;
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}
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const cacheKey = this._getCacheEntryKey(fileName);
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return this._uriCache.has(cacheKey);
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}
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async findMostRecentCommitForFile(fileName: string, sha?: string): Promise<GitCommit> {
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const exists = await new Promise<boolean>((resolve, reject) => fs.exists(fileName, e => resolve(e)));
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if (exists) return null;
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return undefined;
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// TODO: Get this to work -- for some reason a reverse log won't return the renamed file
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// Not sure how else to figure this out
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// let log: IGitLog;
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// let commit: GitCommit;
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// while (true) {
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// // Go backward from the current commit to head to find the latest filename
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// log = await this.getLogForFile(fileName, sha, undefined, undefined, undefined, true);
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// if (!log) break;
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// commit = Iterables.first(log.commits.values());
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// sha = commit.sha;
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// fileName = commit.fileName;
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// }
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// return commit;
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}
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getGitUriForFile(fileName: string) {
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if (!this.UseUriCaching) return undefined;
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const cacheKey = this._getCacheEntryKey(fileName);
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const entry = this._uriCache.get(cacheKey);
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return entry && entry.uri;
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}
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getRepoPath(cwd: string): Promise<string> {
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return Git.repoPath(cwd);
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}
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async getRepoPathFromFile(fileName: string): Promise<string | undefined> {
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const log = await this.getLogForFile(fileName, undefined, undefined, undefined, 1);
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return log && log.repoPath;
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}
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getBlameForFile(fileName: string, sha?: string, repoPath?: string): Promise<IGitBlame | undefined> {
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Logger.log(`getBlameForFile('${fileName}', ${sha}, ${repoPath})`);
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fileName = Git.normalizePath(fileName);
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const useCaching = this.UseGitCaching && !sha;
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let cacheKey: string | undefined;
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let entry: GitCacheEntry | undefined;
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if (useCaching) {
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cacheKey = this._getCacheEntryKey(fileName);
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entry = this._gitCache.get(cacheKey);
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if (entry !== undefined && entry.blame !== undefined) return entry.blame.item;
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if (entry === undefined) {
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entry = new GitCacheEntry();
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}
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}
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const promise = this._gitignore.then(ignore => {
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if (ignore && !ignore.filter([fileName]).length) {
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Logger.log(`Skipping blame; '${fileName}' is gitignored`);
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return GitProvider.EmptyPromise as Promise<IGitBlame>;
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}
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return Git.blame(GitProvider.BlameFormat, fileName, sha, repoPath)
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.then(data => new GitBlameParserEnricher(GitProvider.BlameFormat).enrich(data, fileName))
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.catch(ex => {
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// Trap and cache expected blame errors
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if (useCaching) {
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const msg = ex && ex.toString();
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Logger.log(`Replace blame cache with empty promise for '${cacheKey}'`);
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entry.blame = {
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//date: new Date(),
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item: GitProvider.EmptyPromise,
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errorMessage: msg
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} as ICachedBlame;
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this._gitCache.set(cacheKey, entry);
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return GitProvider.EmptyPromise as Promise<IGitBlame>;
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}
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return undefined;
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});
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});
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if (useCaching) {
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Logger.log(`Add blame cache for '${cacheKey}'`);
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entry.blame = {
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//date: new Date(),
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item: promise
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} as ICachedBlame;
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this._gitCache.set(cacheKey, entry);
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}
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return promise;
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}
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async getBlameForLine(fileName: string, line: number, sha?: string, repoPath?: string): Promise<IGitBlameLine | undefined> {
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Logger.log(`getBlameForLine('${fileName}', ${line}, ${sha}, ${repoPath})`);
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if (this.UseGitCaching && !sha) {
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const blame = await this.getBlameForFile(fileName);
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const blameLine = blame && blame.lines[line];
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if (!blameLine) return undefined;
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const commit = blame.commits.get(blameLine.sha);
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return {
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author: Object.assign({}, blame.authors.get(commit.author), { lineCount: commit.lines.length }),
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commit: commit,
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line: blameLine
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} as IGitBlameLine;
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}
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fileName = Git.normalizePath(fileName);
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try {
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const data = await Git.blameLines(GitProvider.BlameFormat, fileName, line + 1, line + 1, sha, repoPath);
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const blame = new GitBlameParserEnricher(GitProvider.BlameFormat).enrich(data, fileName);
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if (!blame) return undefined;
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const commit = Iterables.first(blame.commits.values());
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if (repoPath) {
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commit.repoPath = repoPath;
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}
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return {
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author: Iterables.first(blame.authors.values()),
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commit: commit,
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line: blame.lines[line]
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} as IGitBlameLine;
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}
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catch (ex) {
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return undefined;
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}
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}
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async getBlameForRange(fileName: string, range: Range, sha?: string, repoPath?: string): Promise<IGitBlameLines | undefined> {
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Logger.log(`getBlameForRange('${fileName}', [${range.start.line}, ${range.end.line}], ${sha}, ${repoPath})`);
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const blame = await this.getBlameForFile(fileName, sha, repoPath);
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if (!blame) return undefined;
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return this.getBlameForRangeSync(blame, fileName, range, sha, repoPath);
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}
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getBlameForRangeSync(blame: IGitBlame, fileName: string, range: Range, sha?: string, repoPath?: string): IGitBlameLines | undefined {
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Logger.log(`getBlameForRangeSync('${fileName}', [${range.start.line}, ${range.end.line}], ${sha}, ${repoPath})`);
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if (!blame.lines.length) return Object.assign({ allLines: blame.lines }, blame);
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if (range.start.line === 0 && range.end.line === blame.lines.length - 1) {
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return Object.assign({ allLines: blame.lines }, blame);
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}
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const lines = blame.lines.slice(range.start.line, range.end.line + 1);
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const shas: Set<string> = new Set();
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lines.forEach(l => shas.add(l.sha));
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const authors: Map<string, IGitAuthor> = new Map();
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const commits: Map<string, GitCommit> = new Map();
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blame.commits.forEach(c => {
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if (!shas.has(c.sha)) return;
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const commit: GitCommit = new GitCommit(c.repoPath, c.sha, c.fileName, c.author, c.date, c.message,
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c.lines.filter(l => l.line >= range.start.line && l.line <= range.end.line), c.originalFileName, c.previousSha, c.previousFileName);
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commits.set(c.sha, commit);
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let author = authors.get(commit.author);
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if (!author) {
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author = {
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name: commit.author,
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lineCount: 0
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};
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authors.set(author.name, author);
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}
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author.lineCount += commit.lines.length;
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});
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const sortedAuthors: Map<string, IGitAuthor> = new Map();
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Array.from(authors.values())
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.sort((a, b) => b.lineCount - a.lineCount)
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.forEach(a => sortedAuthors.set(a.name, a));
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return {
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authors: sortedAuthors,
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commits: commits,
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lines: lines,
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allLines: blame.lines
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} as IGitBlameLines;
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}
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async getBlameLocations(fileName: string, range: Range, sha?: string, repoPath?: string, selectedSha?: string, line?: number): Promise<Location[] | undefined> {
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Logger.log(`getBlameLocations('${fileName}', [${range.start.line}, ${range.end.line}], ${sha}, ${repoPath})`);
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const blame = await this.getBlameForRange(fileName, range, sha, repoPath);
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if (!blame) return undefined;
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const commitCount = blame.commits.size;
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const locations: Array<Location> = [];
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Iterables.forEach(blame.commits.values(), (c, i) => {
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if (c.isUncommitted) return;
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const decoration = `\u2937 ${c.author}, ${moment(c.date).format('MMMM Do, YYYY h:MMa')}`;
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const uri = GitProvider.toGitUri(c, i + 1, commitCount, c.originalFileName, decoration);
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locations.push(new Location(uri, new Position(0, 0)));
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if (c.sha === selectedSha) {
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locations.push(new Location(uri, new Position(line + 1, 0)));
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}
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});
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return locations;
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}
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async getLogForRepo(repoPath: string, sha?: string, maxCount?: number): Promise<IGitLog | undefined> {
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Logger.log(`getLogForRepo('${repoPath}', ${maxCount})`);
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if (maxCount == null) {
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maxCount = this.config.advanced.maxQuickHistory || 0;
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}
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try {
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const data = await Git.logRepo(repoPath, sha, maxCount);
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return new GitLogParserEnricher().enrich(data, 'repo', repoPath, true);
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}
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catch (ex) {
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return undefined;
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}
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}
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getLogForFile(fileName: string, sha?: string, repoPath?: string, range?: Range, maxCount?: number, reverse: boolean = false): Promise<IGitLog | undefined> {
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Logger.log(`getLogForFile('${fileName}', ${sha}, ${repoPath}, ${range && `[${range.start.line}, ${range.end.line}]`}, ${maxCount})`);
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fileName = Git.normalizePath(fileName);
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const useCaching = this.UseGitCaching && !sha && !range && !maxCount;
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let cacheKey: string;
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let entry: GitCacheEntry;
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if (useCaching) {
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cacheKey = this._getCacheEntryKey(fileName);
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entry = this._gitCache.get(cacheKey);
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if (entry !== undefined && entry.log !== undefined) return entry.log.item;
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if (entry === undefined) {
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entry = new GitCacheEntry();
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}
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}
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const promise = this._gitignore.then(ignore => {
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if (ignore && !ignore.filter([fileName]).length) {
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Logger.log(`Skipping log; '${fileName}' is gitignored`);
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return GitProvider.EmptyPromise as Promise<IGitLog>;
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}
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return (range
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? Git.logRange(fileName, range.start.line + 1, range.end.line + 1, sha, repoPath, maxCount)
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: Git.log(fileName, sha, repoPath, maxCount, reverse))
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|
.then(data => new GitLogParserEnricher().enrich(data, 'file', repoPath || fileName, !!repoPath))
|
|
.catch(ex => {
|
|
// Trap and cache expected log errors
|
|
if (useCaching) {
|
|
const msg = ex && ex.toString();
|
|
Logger.log(`Replace log cache with empty promise for '${cacheKey}'`);
|
|
|
|
entry.log = {
|
|
//date: new Date(),
|
|
item: GitProvider.EmptyPromise,
|
|
errorMessage: msg
|
|
} as ICachedLog;
|
|
|
|
this._gitCache.set(cacheKey, entry);
|
|
return GitProvider.EmptyPromise as Promise<IGitLog>;
|
|
}
|
|
return undefined;
|
|
});
|
|
});
|
|
|
|
if (useCaching) {
|
|
Logger.log(`Add log cache for '${cacheKey}'`);
|
|
|
|
entry.log = {
|
|
//date: new Date(),
|
|
item: promise
|
|
} as ICachedLog;
|
|
|
|
this._gitCache.set(cacheKey, entry);
|
|
}
|
|
|
|
return promise;
|
|
}
|
|
|
|
async getLogLocations(fileName: string, sha?: string, repoPath?: string, selectedSha?: string, line?: number): Promise<Location[] | undefined> {
|
|
Logger.log(`getLogLocations('${fileName}', ${sha}, ${repoPath}, ${selectedSha}, ${line})`);
|
|
|
|
const log = await this.getLogForFile(fileName, sha, repoPath);
|
|
if (!log) return undefined;
|
|
|
|
const commitCount = log.commits.size;
|
|
|
|
const locations: Array<Location> = [];
|
|
Iterables.forEach(log.commits.values(), (c, i) => {
|
|
if (c.isUncommitted) return;
|
|
|
|
const decoration = `\u2937 ${c.author}, ${moment(c.date).format('MMMM Do, YYYY h:MMa')}`;
|
|
const uri = GitProvider.toGitUri(c, i + 1, commitCount, c.originalFileName, decoration);
|
|
locations.push(new Location(uri, new Position(0, 0)));
|
|
if (c.sha === selectedSha) {
|
|
locations.push(new Location(uri, new Position(line + 1, 0)));
|
|
}
|
|
});
|
|
|
|
return locations;
|
|
}
|
|
|
|
async getVersionedFile(fileName: string, repoPath: string, sha: string) {
|
|
Logger.log(`getVersionedFile('${fileName}', ${repoPath}, ${sha})`);
|
|
|
|
const file = await Git.getVersionedFile(fileName, repoPath, sha);
|
|
if (this.UseUriCaching) {
|
|
const cacheKey = this._getCacheEntryKey(file);
|
|
const entry = new UriCacheEntry(new GitUri(Uri.file(fileName), { sha, repoPath, fileName }));
|
|
this._uriCache.set(cacheKey, entry);
|
|
}
|
|
return file;
|
|
}
|
|
|
|
getVersionedFileText(fileName: string, repoPath: string, sha: string) {
|
|
Logger.log(`getVersionedFileText('${fileName}', ${repoPath}, ${sha})`);
|
|
return Git.getVersionedFileText(fileName, repoPath, sha);
|
|
}
|
|
|
|
toggleCodeLens(editor: TextEditor) {
|
|
if (this.config.codeLens.visibility !== CodeLensVisibility.OnDemand ||
|
|
(!this.config.codeLens.recentChange.enabled && !this.config.codeLens.authors.enabled)) return;
|
|
|
|
Logger.log(`toggleCodeLens(${editor})`);
|
|
|
|
if (this._codeLensProviderDisposable) {
|
|
this._codeLensProviderDisposable.dispose();
|
|
this._codeLensProviderDisposable = undefined;
|
|
return;
|
|
}
|
|
|
|
this._codeLensProviderDisposable = languages.registerCodeLensProvider(GitCodeLensProvider.selector, new GitCodeLensProvider(this.context, this));
|
|
}
|
|
|
|
static isUncommitted(sha: string) {
|
|
return Git.isUncommitted(sha);
|
|
}
|
|
|
|
static fromGitUri(uri: Uri): IGitUriData {
|
|
if (uri.scheme !== DocumentSchemes.Git) throw new Error(`fromGitUri(uri=${uri}) invalid scheme`);
|
|
return GitProvider._fromGitUri<IGitUriData>(uri);
|
|
}
|
|
|
|
private static _fromGitUri<T extends IGitUriData>(uri: Uri): T {
|
|
return JSON.parse(uri.query) as T;
|
|
}
|
|
|
|
static toGitUri(commit: GitCommit, index: number, commitCount: number, originalFileName?: string, decoration?: string) {
|
|
return GitProvider._toGitUri(commit, DocumentSchemes.Git, commitCount, GitProvider._toGitUriData(commit, index, originalFileName, decoration));
|
|
}
|
|
|
|
private static _toGitUri(commit: GitCommit, scheme: DocumentSchemes, commitCount: number, data: IGitUriData) {
|
|
const pad = (n: number) => ('0000000' + n).slice(-('' + commitCount).length);
|
|
const ext = path.extname(data.fileName);
|
|
const uriPath = `${path.relative(commit.repoPath, data.fileName.slice(0, -ext.length))}/${commit.sha}${ext}`;
|
|
|
|
let message = commit.message;
|
|
if (message.length > 50) {
|
|
message = message.substring(0, 49) + '\u2026';
|
|
}
|
|
|
|
// NOTE: Need to specify an index here, since I can't control the sort order -- just alphabetic or by file location
|
|
return Uri.parse(`${scheme}:${pad(data.index)} \u2022 ${encodeURIComponent(message)} \u2022 ${moment(commit.date).format('MMM D, YYYY hh:MMa')} \u2022 ${encodeURIComponent(uriPath)}?${JSON.stringify(data)}`);
|
|
}
|
|
|
|
private static _toGitUriData<T extends IGitUriData>(commit: GitCommit, index: number, originalFileName?: string, decoration?: string): T {
|
|
const fileName = Git.normalizePath(path.join(commit.repoPath, commit.fileName));
|
|
const data = { repoPath: commit.repoPath, fileName: fileName, sha: commit.sha, index: index } as T;
|
|
if (originalFileName) {
|
|
data.originalFileName = Git.normalizePath(path.join(commit.repoPath, originalFileName));
|
|
}
|
|
if (decoration) {
|
|
data.decoration = decoration;
|
|
}
|
|
return data;
|
|
}
|
|
} |