deploy: current vibn theia state

Made-with: Cursor

packages/git/src/node/init/git-init.ts

@@ -0,0 +1,91 @@
+// *****************************************************************************
+// Copyright (C) 2018 TypeFox and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { injectable, inject } from '@theia/core/shared/inversify';
+import findGit from 'find-git-exec';
+import { dirname } from 'path';
+import { pathExists } from '@theia/core/shared/fs-extra';
+import { ILogger } from '@theia/core/lib/common/logger';
+import { Disposable, DisposableCollection } from '@theia/core/lib/common/disposable';
+import { MessageService } from '@theia/core';
+
+/**
+ * Initializer hook for Git.
+ */
+export const GitInit = Symbol('GitInit');
+export interface GitInit extends Disposable {
+
+    /**
+     * Called before `Git` is ready to be used in Theia. Git operations cannot be executed before the returning promise is not resolved or rejected.
+     */
+    init(): Promise<void>;
+
+}
+
+/**
+ * The default initializer. It is used in the browser.
+ *
+ * Configures the Git extension to use the Git executable from the `PATH`.
+ */
+@injectable()
+export class DefaultGitInit implements GitInit {
+
+    protected readonly toDispose = new DisposableCollection();
+
+    @inject(ILogger)
+    protected readonly logger: ILogger;
+
+    @inject(MessageService)
+    protected readonly messages: MessageService;
+
+    async init(): Promise<void> {
+        const { env } = process;
+        try {
+            const { execPath, path, version } = await findGit();
+            if (!!execPath && !!path && !!version) {
+                // https://github.com/desktop/dugite/issues/111#issuecomment-323222834
+                // Instead of the executable path, we need the root directory of Git.
+                const dir = dirname(dirname(path));
+                const [execPathOk, pathOk, dirOk] = await Promise.all([pathExists(execPath), pathExists(path), pathExists(dir)]);
+                if (execPathOk && pathOk && dirOk) {
+                    if (typeof env.LOCAL_GIT_DIRECTORY !== 'undefined' && env.LOCAL_GIT_DIRECTORY !== dir) {
+                        this.logger.error(`Misconfigured env.LOCAL_GIT_DIRECTORY: ${env.LOCAL_GIT_DIRECTORY}. dir was: ${dir}`);
+                        this.messages.error('The LOCAL_GIT_DIRECTORY env variable was already set to a different value.', { timeout: 0 });
+                        return;
+                    }
+                    if (typeof env.GIT_EXEC_PATH !== 'undefined' && env.GIT_EXEC_PATH !== execPath) {
+                        this.logger.error(`Misconfigured env.GIT_EXEC_PATH: ${env.GIT_EXEC_PATH}. execPath was: ${execPath}`);
+                        this.messages.error('The GIT_EXEC_PATH env variable was already set to a different value.', { timeout: 0 });
+                        return;
+                    }
+                    process.env.LOCAL_GIT_DIRECTORY = dir;
+                    process.env.GIT_EXEC_PATH = execPath;
+                    this.logger.info(`Using Git [${version}] from the PATH. (${path})`);
+                    return;
+                }
+            }
+            this.messages.error('Could not find Git on the PATH.', { timeout: 0 });
+        } catch (err) {
+            this.logger.error(err);
+            this.messages.error('An unexpected error occurred when locating the Git executable.', { timeout: 0 });
+        }
+    }
+
+    dispose(): void {
+        this.toDispose.dispose();
+    }
+
+}