/
git.ts
110 lines (98 loc) · 2.76 KB
/
git.ts
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
import * as path from 'path';
import execa = require('execa');
import type {Config} from '@jest/types';
import type {SCMAdapter} from './types';
const findChangedFilesUsingCommand = async (
args: Array<string>,
cwd: Config.Path,
): Promise<Array<Config.Path>> => {
let result: execa.ExecaReturnValue;
try {
result = await execa('git', args, {cwd});
} catch (e) {
// TODO: Should we keep the original `message`?
e.message = e.stderr;
throw e;
}
return result.stdout
.split('\n')
.filter(s => s !== '')
.map(changedPath => path.resolve(cwd, changedPath));
};
const adapter: SCMAdapter = {
findChangedFiles: async (cwd, options) => {
const changedSince: string | undefined =
options && (options.withAncestor ? 'HEAD^' : options.changedSince);
const includePaths: Array<Config.Path> = (
(options && options.includePaths) ||
[]
).map(absoluteRoot => path.normalize(path.relative(cwd, absoluteRoot)));
if (options && options.lastCommit) {
return findChangedFilesUsingCommand(
['show', '--name-only', '--pretty=format:', 'HEAD', '--'].concat(
includePaths,
),
cwd,
);
}
if (changedSince) {
const [committed, staged, unstaged] = await Promise.all([
findChangedFilesUsingCommand(
['diff', '--name-only', `${changedSince}...HEAD`, '--'].concat(
includePaths,
),
cwd,
),
findChangedFilesUsingCommand(
['diff', '--cached', '--name-only', '--'].concat(includePaths),
cwd,
),
findChangedFilesUsingCommand(
[
'ls-files',
'--other',
'--modified',
'--exclude-standard',
'--',
].concat(includePaths),
cwd,
),
]);
return [...committed, ...staged, ...unstaged];
}
const [staged, unstaged] = await Promise.all([
findChangedFilesUsingCommand(
['diff', '--cached', '--name-only', '--'].concat(includePaths),
cwd,
),
findChangedFilesUsingCommand(
[
'ls-files',
'--other',
'--modified',
'--exclude-standard',
'--',
].concat(includePaths),
cwd,
),
]);
return [...staged, ...unstaged];
},
getRoot: async cwd => {
const options = ['rev-parse', '--show-cdup'];
try {
const result = await execa('git', options, {cwd});
return path.resolve(cwd, result.stdout);
} catch {
return null;
}
},
};
export default adapter;