Reemplazar script de compilación con script en Zig

Squashed commit of the following:

commit ea51959ee8
Author: Nulo <git@nulo.in>
Date:   Sat Jul 16 21:56:30 2022 -0300

    ci: Usar gcc

    No funciona con clang ya que no provee `cc`

commit c152c8ec9f
Author: Nulo <git@nulo.in>
Date:   Sat Jul 16 21:54:27 2022 -0300

    ci: Instalar clang

    Zig necesita un compilador de C para encontrar las librerías C

commit 0f360aaa10
Author: Nulo <git@nulo.in>
Date:   Sat Jul 16 21:52:42 2022 -0300

    ci: No instalar cmark de terminal, instalar musl-dev

commit 24da2c684e
Author: Nulo <git@nulo.in>
Date:   Sat Jul 16 21:43:04 2022 -0300

    ci: Agregar repo testing

commit 2163a9f71e
Author: Nulo <git@nulo.in>
Date:   Sat Jul 16 21:40:10 2022 -0300

    ci: Usar edge para usar testing/zig

commit 259fad54e5
Author: Nulo <git@nulo.in>
Date:   Sat Jul 16 21:07:22 2022 -0300

    Reemplazar script de compilación con script en Zig
ANTIFASCISTA
Cat /dev/Nulo 4 weeks ago
parent 76f9c2ff26
commit b60e5850cf
  1. 1
      .gitignore
  2. 9
      .woodpecker.yml
  3. 8
      README.md
  4. 62
      build.sh
  5. 223
      compilar.zig

1
.gitignore vendored

@ -1 +1,2 @@
build/
zig-cache/

@ -1,11 +1,10 @@
pipeline:
build:
image: docker.io/alpine:3.16
image: docker.io/alpine:edge
commands:
- apk add cmark git cmd:setup-timezone lua5.1
# Para generar las fechas bien
- setup-timezone -z America/Argentina/Buenos_Aires
- base_uri=https://nulo.in/ ./build.sh
- echo "https://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
- apk add musl-dev cmark-dev lua5.1 zig gcc
- zig run compilar.zig -lc -lcmark
deploy:
image: docker.io/alpine:3.14
commands:

@ -1,6 +1,12 @@
Este es el README para [el repositorio del sitio](https://gitea.nulo.in/Nulo/sitio).
Escuché [HOT DEMON B!TCHES NEAR U ! ! ! (de CORPSE y Night Lovell)](https://youtu.be/wqZnO71PBis) en loop para hacer la versión inicial del sitio.
## Compilar
Require [Zig](https://ziglang.org), shell, cmark (con cmark-dev) y Lua 5.1.
```
zig run compilar.zig -lc -lcmark
```
---

@ -1,62 +0,0 @@
#!/bin/sh
template () {
echo "<!doctype html>"
echo "<meta charset=utf-8>"
echo "<meta name=viewport content='width=device-width, initial-scale=1.0'>"
echo "<meta name=author content=Nulo>"
echo "<meta property=og:title content='$1'>"
echo "<meta property=og:type content=website>"
if test -n "$base_uri"; then
echo "<meta property=og:url content='${base_uri}${1}.html'>"
fi
echo "<meta property=og:image content=cowboy.svg>"
echo "<link rel=stylesheet href=drip.css>"
echo "<link rel=icon href=cowboy.svg>"
echo "<title>$1</title>"
: "${inicio:=}"
if test "$mirror" = true; then
echo "<p style=color:darkred>Ojo: este sitio es un espejo (mirror). <a href=https://nulo.in>nulo.in</a> es la fuente.</p>"
fi
if test "$inicio" != true; then
echo "<a href=.>☚ Volver al inicio</a>"
fi
if test -n "$2"; then
echo "<header>"
echo "<h1>$1</h1>"
echo "<p><small>Último cambio: <time datetime='$(git log -1 --format=%ai "$2")'>$(date -d "@$(git log -1 --format=%at "$2")" '+%Y-%m-%d %H:%M')</time></small></p>"
echo "</header>"
fi
}
markdown () {
# TODO: hacky
cmark --unsafe "$1" \
| sed "s/<a h/<a rel='noopener noreferrer' h/gi" \
| sed 's/\[\[\(.*\)\]\]/<a href="\1.html">\1<\/a>/g'
}
outdir=build
mkdir -p $outdir
# Autocopiarnos :)
cp ./*.sh ./*.md ./*.css ./*.png ./*.jpg ./*.mp4 ./*.svg ./*.html "$outdir"
index="$outdir/index.html"
inicio=true header=false template "nulo.in" > "$index"
markdown index.md >> "$index"
for file in *.md; do
test "$(basename "$file")" = index.md && continue
title="$(basename "$file" .md)"
outfile="$outdir/$title.html"
template "$title" "$file" > "$outfile"
markdown "$file" >> "$outfile"
done
for file in *.gen; do
title="$(basename "$file" .gen)"
outfile="$outdir/$title.html"
template "$title" "$file" > "$outfile"
"./$file" >> "$outfile"
done

@ -0,0 +1,223 @@
const std = @import("std");
const c = @cImport({
@cInclude("cmark.h");
});
const endsWith = std.mem.endsWith;
fn stripExtension(file_name: []const u8) ![]const u8 {
const index = std.mem.lastIndexOfLinear(u8, file_name, ".");
if (index) |i| {
return file_name[0..i];
} else return error.NoExtension;
}
const HeaderOptions = struct {
// Si esto es true, se muestra un botón para volver al index.
ir_al_inicio: bool = true,
// Si esto es true, se muestra un <header>.
header: bool = true,
};
fn header(
writer: std.fs.File.Writer,
title: []const u8,
src_name: []const u8,
options: HeaderOptions,
) !void {
// TODO: deshardcodear base_uri
try writer.print(
\\<!doctype html>
\\<meta charset=utf-8>
\\<meta name=viewport content="width=device-width, initial-scale=1.0">
\\<meta name=author content=Nulo>
\\<meta property=og:title content="{0s}">
\\<meta property=og:type content=website>
\\<meta property=og:url content="https://nulo.in/{1s}.html">
\\<meta property=og:image content=cowboy.svg>
\\<link rel=stylesheet href=drip.css>
\\<link rel=icon href=cowboy.svg>
\\<title>{0s}</title>
\\
, .{ title, src_name });
// if test "$mirror" = true; then
// echo "<p style=color:darkred>Ojo: este sitio es un espejo (mirror). <a href=https://nulo.in>nulo.in</a> es la fuente.</p>"
// fi
if (options.ir_al_inicio) {
try writer.writeAll("<a href=.>☚ Volver al inicio</a>\n");
}
if (options.header) {
try writer.print(
\\<header>
\\<h1>{s}</h1>
\\<a href="https://gitea.nulo.in/Nulo/sitio/commits/branch/ANTIFASCISTA/{s}">Historial</a>
\\</header>
\\
, .{ title, src_name });
}
}
pub fn main() !void {
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
defer _ = gpa.deinit();
const allocator = gpa.allocator();
var cwd = try std.fs.cwd().openDir(".", .{ .iterate = true });
defer cwd.close();
var cwd_iterator = cwd.iterate();
var build_dir = try cwd.makeOpenPath("build", .{});
defer build_dir.close();
while (try cwd_iterator.next()) |entry| {
if (entry.kind != .File) continue;
// Autocopiarnos :)
if (endsWith(u8, entry.name, ".sh") or
endsWith(u8, entry.name, ".md") or
endsWith(u8, entry.name, ".css") or
endsWith(u8, entry.name, ".png") or
endsWith(u8, entry.name, ".jpg") or
endsWith(u8, entry.name, ".mp4") or
endsWith(u8, entry.name, ".svg") or
endsWith(u8, entry.name, ".html"))
{
try cwd.copyFile(entry.name, build_dir, entry.name, .{});
}
if (endsWith(u8, entry.name, ".md"))
try generateMarkdown(allocator, cwd, entry.name, build_dir);
if (endsWith(u8, entry.name, ".gen"))
try generateExecutable(allocator, cwd, entry.name, build_dir);
}
}
const Writer = std.io.BufferedWriter(4096, std.fs.File.Writer).Writer;
fn hackilyTransformHtml(input: []const u8, writer: Writer) !void {
var iter = std.mem.split(u8, input, "\n");
while (iter.next()) |line| {
var index: usize = 0;
while (index < line.len) : (index += 1) {
const rest = line[index..];
const link_marker = "<a h";
if (std.ascii.startsWithIgnoreCase(rest, link_marker)) {
index += link_marker.len - 1;
try writer.writeAll("<a rel='noopener noreferrer' h");
continue;
}
if (std.mem.startsWith(u8, rest, "[[")) {
if (std.mem.indexOf(u8, rest, "]]")) |end| {
const name = rest[2..end];
index += 2 + name.len + 2 - 1;
try writer.print(
\\<a href="{0s}.html">{0s}</a>
, .{name});
continue;
}
}
try writer.writeByte(line[index]);
}
try writer.writeByte('\n');
}
}
fn generateMarkdown(
allocator: std.mem.Allocator,
cwd: std.fs.Dir,
src_name: []const u8,
build_dir: std.fs.Dir,
) !void {
var file = try cwd.openFile(src_name, .{});
defer file.close();
const markdown = try file.readToEndAllocOptions(
allocator,
69696969,
null,
@alignOf(u32),
0,
);
defer allocator.free(markdown);
const html = c.cmark_markdown_to_html(
markdown.ptr,
markdown.len,
c.CMARK_OPT_UNSAFE, //| c.CMARK_OPT_SMART,
);
defer std.c.free(html);
const output_file_name = try std.fmt.allocPrint(
allocator,
"{s}.html",
.{try stripExtension(src_name)},
);
defer allocator.free(output_file_name);
const is_index = std.ascii.eqlIgnoreCase(src_name, "index.md");
const title = if (is_index)
"nulo.in"
else
try stripExtension(src_name);
var output = try build_dir.createFile(output_file_name, .{});
defer output.close();
try header(output.writer(), title, src_name, .{
.ir_al_inicio = !is_index,
.header = !is_index,
});
var buffered_writer = std.io.bufferedWriter(output.writer());
try hackilyTransformHtml(
std.mem.span(html),
buffered_writer.writer(),
);
try buffered_writer.flush();
}
fn generateExecutable(
allocator: std.mem.Allocator,
cwd: std.fs.Dir,
src_name: []const u8,
build_dir: std.fs.Dir,
) !void {
_ = cwd;
const output_file_name = try std.fmt.allocPrint(
allocator,
"{s}.html",
.{try stripExtension(src_name)},
);
defer allocator.free(output_file_name);
const title = try stripExtension(src_name);
var output = try build_dir.createFile(output_file_name, .{});
defer output.close();
try header(output.writer(), title, src_name, .{});
const executable_name = try std.fmt.allocPrint(allocator, "./{s}", .{src_name});
defer allocator.free(executable_name);
// const process = try std.ChildProcess.init(&.{executable_name}, allocator);
// defer process.deinit();
// process.stdout_behavior = .Ignore;
// process.stdout = output;
// const term = try process.spawnAndWait();
const result = try std.ChildProcess.exec(.{
.allocator = allocator,
.argv = &.{executable_name},
});
defer allocator.free(result.stdout);
defer allocator.free(result.stderr);
if (result.stderr.len > 0) {
std.log.err("{s} stderr: {s}", .{ src_name, result.stderr });
}
switch (result.term) {
.Exited => |status| {
if (status != 0) return error.ProcessFailed;
},
else => unreachable,
}
try output.writeAll(result.stdout);
}
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