86 lines
2.7 KiB
TypeScript
86 lines
2.7 KiB
TypeScript
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import { chmodSync, copyFileSync, existsSync, lstatSync, mkdirSync, rmSync, symlinkSync } from "node:fs";
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import { delimiter, join } from "node:path";
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type ManagedTool = "fd" | "rg";
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interface ToolSpec {
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targetName: string;
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candidates: string[];
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}
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const TOOL_SPECS: Record<ManagedTool, ToolSpec> = {
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fd: {
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targetName: process.platform === "win32" ? "fd.exe" : "fd",
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candidates: process.platform === "win32" ? ["fd.exe", "fd", "fdfind.exe", "fdfind"] : ["fd", "fdfind"],
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},
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rg: {
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targetName: process.platform === "win32" ? "rg.exe" : "rg",
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candidates: process.platform === "win32" ? ["rg.exe", "rg"] : ["rg"],
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},
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};
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function splitPath(pathValue: string | undefined): string[] {
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if (!pathValue) return [];
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return pathValue.split(delimiter).map((segment) => segment.trim()).filter(Boolean);
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}
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function getCandidateNames(name: string): string[] {
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if (process.platform !== "win32") return [name];
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const lower = name.toLowerCase();
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if (lower.endsWith(".exe") || lower.endsWith(".cmd") || lower.endsWith(".bat")) return [name];
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return [name, `${name}.exe`, `${name}.cmd`, `${name}.bat`];
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}
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function isRegularFile(path: string): boolean {
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try {
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return lstatSync(path).isFile() || lstatSync(path).isSymbolicLink();
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} catch {
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return false;
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}
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}
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export function resolveToolFromPath(tool: ManagedTool, pathValue: string | undefined = process.env.PATH): string | null {
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const spec = TOOL_SPECS[tool];
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for (const dir of splitPath(pathValue)) {
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for (const candidate of spec.candidates) {
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for (const name of getCandidateNames(candidate)) {
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const fullPath = join(dir, name);
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if (existsSync(fullPath) && isRegularFile(fullPath)) {
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return fullPath;
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}
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}
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}
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}
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return null;
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}
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function provisionTool(targetDir: string, tool: ManagedTool, sourcePath: string): string {
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const targetPath = join(targetDir, TOOL_SPECS[tool].targetName);
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if (existsSync(targetPath)) return targetPath;
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mkdirSync(targetDir, { recursive: true });
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try {
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symlinkSync(sourcePath, targetPath);
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} catch {
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rmSync(targetPath, { force: true });
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copyFileSync(sourcePath, targetPath);
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chmodSync(targetPath, 0o755);
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}
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return targetPath;
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}
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export function ensureManagedTools(targetDir: string, pathValue: string | undefined = process.env.PATH): string[] {
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const provisioned: string[] = [];
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for (const tool of Object.keys(TOOL_SPECS) as ManagedTool[]) {
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if (existsSync(join(targetDir, TOOL_SPECS[tool].targetName))) continue;
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const sourcePath = resolveToolFromPath(tool, pathValue);
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if (!sourcePath) continue;
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provisioned.push(provisionTool(targetDir, tool, sourcePath));
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}
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return provisioned;
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}
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