git-cat-file/bin/git-cat-file-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 git_ls_tree_js_1 = require("./git-ls-tree-js");
const cli_lib_1 = require("../lib/cli-lib");
const longParams = {
    help: true,
};
const shortParams = {
    C: "path",
    h: true,
    p: true,
    t: true, // show object content
};
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, t, p } = options.short;
    const revision = options.args.shift();
    if (help || h || !revision || !(t || p)) {
        process.stderr.write(`Usage:\n`);
        showHelp();
        process.exit(1);
    }
    const repo = (0, __1.openLocalRepo)(".");
    const { oid, type, data } = await repo.getObject(revision);
    if (t) {
        process.stdout.write(`${type}\n`);
        process.exit(0);
    }
    if (type === "tree") {
        const tree = await repo.getTree(oid);
        await (0, git_ls_tree_js_1.showEnties)(tree);
    }
    else {
        process.stdout.write(data);
    }
}
function showHelp() {
    process.stderr.write(`  git-cat-file-js [-C path] [-t | -p] <object>\n`);
}
if (!module.parent)
    CLI(process.argv.slice(2)).catch(console.error);