224 lines
6.8 KiB
Zig
224 lines
6.8 KiB
Zig
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const std = @import("std");
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const c = @cImport({
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@cInclude("cmark.h");
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});
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const endsWith = std.mem.endsWith;
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fn stripExtension(file_name: []const u8) ![]const u8 {
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const index = std.mem.lastIndexOfLinear(u8, file_name, ".");
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if (index) |i| {
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return file_name[0..i];
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} else return error.NoExtension;
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}
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const HeaderOptions = struct {
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// Si esto es true, se muestra un botón para volver al index.
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ir_al_inicio: bool = true,
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// Si esto es true, se muestra un <header>.
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header: bool = true,
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};
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fn header(
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writer: std.fs.File.Writer,
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title: []const u8,
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src_name: []const u8,
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options: HeaderOptions,
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) !void {
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// TODO: deshardcodear base_uri
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try writer.print(
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\\<!doctype html>
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\\<meta charset=utf-8>
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\\<meta name=viewport content="width=device-width, initial-scale=1.0">
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\\<meta name=author content=Nulo>
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\\<meta property=og:title content="{0s}">
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\\<meta property=og:type content=website>
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\\<meta property=og:url content="https://nulo.in/{1s}.html">
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\\<meta property=og:image content=cowboy.svg>
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\\<link rel=stylesheet href=drip.css>
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\\<link rel=icon href=cowboy.svg>
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\\<title>{0s}</title>
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\\
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, .{ title, src_name });
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// if test "$mirror" = true; then
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// echo "<p style=color:darkred>Ojo: este sitio es un espejo (mirror). <a href=https://nulo.in>nulo.in</a> es la fuente.</p>"
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// fi
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if (options.ir_al_inicio) {
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try writer.writeAll("<a href=.>☚ Volver al inicio</a>\n");
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}
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if (options.header) {
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try writer.print(
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\\<header>
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\\<h1>{s}</h1>
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\\<a href="https://gitea.nulo.in/Nulo/sitio/commits/branch/ANTIFASCISTA/{s}">Historial</a>
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\\</header>
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\\
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, .{ title, src_name });
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}
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}
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer _ = gpa.deinit();
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const allocator = gpa.allocator();
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var cwd = try std.fs.cwd().openDir(".", .{ .iterate = true });
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defer cwd.close();
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var cwd_iterator = cwd.iterate();
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var build_dir = try cwd.makeOpenPath("build", .{});
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defer build_dir.close();
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while (try cwd_iterator.next()) |entry| {
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if (entry.kind != .File) continue;
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// Autocopiarnos :)
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if (endsWith(u8, entry.name, ".sh") or
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endsWith(u8, entry.name, ".md") or
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endsWith(u8, entry.name, ".css") or
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endsWith(u8, entry.name, ".png") or
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endsWith(u8, entry.name, ".jpg") or
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endsWith(u8, entry.name, ".mp4") or
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endsWith(u8, entry.name, ".svg") or
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endsWith(u8, entry.name, ".html"))
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{
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try cwd.copyFile(entry.name, build_dir, entry.name, .{});
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}
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if (endsWith(u8, entry.name, ".md"))
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try generateMarkdown(allocator, cwd, entry.name, build_dir);
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if (endsWith(u8, entry.name, ".gen"))
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try generateExecutable(allocator, cwd, entry.name, build_dir);
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}
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}
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const Writer = std.io.BufferedWriter(4096, std.fs.File.Writer).Writer;
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fn hackilyTransformHtml(input: []const u8, writer: Writer) !void {
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var iter = std.mem.split(u8, input, "\n");
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while (iter.next()) |line| {
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var index: usize = 0;
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while (index < line.len) : (index += 1) {
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const rest = line[index..];
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const link_marker = "<a h";
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if (std.ascii.startsWithIgnoreCase(rest, link_marker)) {
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index += link_marker.len - 1;
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try writer.writeAll("<a rel='noopener noreferrer' h");
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continue;
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}
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if (std.mem.startsWith(u8, rest, "[[")) {
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if (std.mem.indexOf(u8, rest, "]]")) |end| {
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const name = rest[2..end];
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index += 2 + name.len + 2 - 1;
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try writer.print(
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\\<a href="{0s}.html">{0s}</a>
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, .{name});
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continue;
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}
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}
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try writer.writeByte(line[index]);
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}
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try writer.writeByte('\n');
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}
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}
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fn generateMarkdown(
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allocator: std.mem.Allocator,
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cwd: std.fs.Dir,
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src_name: []const u8,
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build_dir: std.fs.Dir,
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) !void {
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var file = try cwd.openFile(src_name, .{});
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defer file.close();
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const markdown = try file.readToEndAllocOptions(
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allocator,
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69696969,
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null,
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@alignOf(u32),
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0,
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);
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defer allocator.free(markdown);
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const html = c.cmark_markdown_to_html(
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markdown.ptr,
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markdown.len,
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c.CMARK_OPT_UNSAFE, //| c.CMARK_OPT_SMART,
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);
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defer std.c.free(html);
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const output_file_name = try std.fmt.allocPrint(
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allocator,
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"{s}.html",
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.{try stripExtension(src_name)},
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);
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defer allocator.free(output_file_name);
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const is_index = std.ascii.eqlIgnoreCase(src_name, "index.md");
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const title = if (is_index)
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"nulo.in"
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else
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try stripExtension(src_name);
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var output = try build_dir.createFile(output_file_name, .{});
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defer output.close();
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try header(output.writer(), title, src_name, .{
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.ir_al_inicio = !is_index,
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.header = !is_index,
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});
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var buffered_writer = std.io.bufferedWriter(output.writer());
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try hackilyTransformHtml(
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std.mem.span(html),
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buffered_writer.writer(),
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);
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try buffered_writer.flush();
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}
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fn generateExecutable(
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allocator: std.mem.Allocator,
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cwd: std.fs.Dir,
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src_name: []const u8,
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build_dir: std.fs.Dir,
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) !void {
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_ = cwd;
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const output_file_name = try std.fmt.allocPrint(
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allocator,
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"{s}.html",
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.{try stripExtension(src_name)},
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);
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defer allocator.free(output_file_name);
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const title = try stripExtension(src_name);
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var output = try build_dir.createFile(output_file_name, .{});
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defer output.close();
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try header(output.writer(), title, src_name, .{});
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const executable_name = try std.fmt.allocPrint(allocator, "./{s}", .{src_name});
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defer allocator.free(executable_name);
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// const process = try std.ChildProcess.init(&.{executable_name}, allocator);
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// defer process.deinit();
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// process.stdout_behavior = .Ignore;
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// process.stdout = output;
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// const term = try process.spawnAndWait();
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const result = try std.ChildProcess.exec(.{
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.allocator = allocator,
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.argv = &.{executable_name},
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});
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defer allocator.free(result.stdout);
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defer allocator.free(result.stderr);
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if (result.stderr.len > 0) {
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std.log.err("{s} stderr: {s}", .{ src_name, result.stderr });
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}
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switch (result.term) {
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.Exited => |status| {
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if (status != 0) return error.ProcessFailed;
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},
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else => unreachable,
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}
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try output.writeAll(result.stdout);
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}
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