git-cat-file/bin/git-rev-parse-js.js

Pure JavaScript `git cat-file -p` for node.js

#!/usr/bin/env node
"use strict";
/**
 * https://github.com/kawanet/git-cat-file
 */
Object.defineProperty(exports, "__esModule", { value: true });
const __1 = require("..");
const fs_1 = require("fs");
const cli_lib_1 = require("../lib/cli-lib");
const longParams = {
    help: true,
};
const shortParams = {
    C: "path",
    h: true, // show help
};
async function CLI(args) {
    const options = (0, cli_lib_1.parseOptions)({
        long: longParams,
        short: shortParams,
        args: args,
    });
    args = options.args;
    const { C } = options.short;
    if (C)
        process.chdir(C);
    if (await fs_1.promises.readdir(".git").catch(_ => null)) {
        process.chdir(".git");
    }
    const { help } = options.long;
    const { h } = options.short;
    if (help || h) {
        process.stderr.write(`Usage:\n`);
        showHelp();
        process.exit(1);
    }
    const repo = (0, __1.openLocalRepo)(".");
    while (args.length) {
        const revision = args.shift();
        const obj = await repo.getObject(revision);
        const commit_id = obj === null || obj === void 0 ? void 0 : obj.oid;
        if (!commit_id) {
            process.stderr.write(`Invalid revision: ${revision}\n`);
            showHelp();
            process.exit(1);
        }
        process.stdout.write(`${commit_id}\n`);
    }
}
function showHelp() {
    process.stderr.write(`  git-rev-parse-js [-C path] <args>...\n`);
}
if (!module.parent)
    CLI(process.argv.slice(2)).catch(console.error);