src/vs/platform/agentHost/node/gitDiffContent.ts
75 LOC · 71 covered · 4 uncovered · 11 ranges · 983 concepts · 7 introducers · 533 tests
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/*---------------------------------------------------------------------------------------------
gitDiffContent.ts ×2
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { URI } from '../../../base/common/uri.js';
const GIT_BLOB_SCHEME = 'git-blob';
interface IGitBlobUriQuery {
readonly sessionUri: string;
readonly sha: string;
readonly repoRelativePath: string;
}
/**
* Builds a `git-blob:` URI that references a file blob at a specific git
* commit, scoped to a given session. Resolved by reading the session's
* working directory and shelling out to `git show <sha>:<path>`.
*
* The URI path is the absolute working-tree path so resource labels show a
* recognizable file path and so the "before" side lines up with the
* working-tree "after" side in diff editors. The session URI, SHA, and
* repository-relative path needed to fetch the blob are carried in the
* query.
*
* @param sessionUri Session the blob belongs to; used to find the working
* directory.
* @param sha Git commit/ref the blob is read from.
* @param repoRelativePath Repository-relative path passed to `git show`.
* @param absolutePath Absolute working-tree path used as the display path.
*/
export function buildGitBlobUri(sessionUri: string, sha: string, repoRelativePath: string, absolutePath: string): string {
scheme: GIT_BLOB_SCHEME,
path: absolutePath,
query: JSON.stringify({ sessionUri, sha, repoRelativePath } satisfies IGitBlobUriQuery),
}).toString();
}
/** Parsed fields from a `git-blob:` content URI. */
export interface IGitBlobUriFields {
readonly sessionUri: string;
readonly sha: string;
readonly repoRelativePath: string;
}
/**
* Parses a `git-blob:` URI produced by {@link buildGitBlobUri}.
* Returns `undefined` if the URI is not a valid `git-blob:` URI.
*/
export function parseGitBlobUri(raw: string): IGitBlobUriFields | undefined {
try {
parsed = URI.parse(raw);
} catch {
return undefined;
}
}
const query = JSON.parse(parsed.query) as Partial<IGitBlobUriQuery>;
if (typeof query.sessionUri === 'string' && typeof query.sha === 'string' && typeof query.repoRelativePath === 'string') {
gitDiffContent.ts ×4
sessionUri: query.sessionUri,
sha: query.sha,
repoRelativePath: query.repoRelativePath,
};
}
return undefined;
}
}