ludic/tools/x/main.ludic
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feat(release): SemVer + ludicc --version, changesets, and x release
The project had no versioning discipline: 0 tags, no CHANGELOG, no way for the
compiler to report a version. Add a lightweight, native release flow.

- Versioning: SemVer, with VERSION as the single source of truth. `ludicc
  --version` (and `ludic --version`) read it at runtime — so a bump touches one
  file and never reseeds the compiler. `x version` reports it too.
- Changesets: one small Markdown file per user-facing change under changes/
  (bump level + type + summary; see changes/README.md). This replaces "remember
  to edit the changelog" with a mergeable artifact, no Node changeset tool.
- `x release [major|minor|patch] [--publish]`: fold the pending changesets into a
  new CHANGELOG.md section (grouped by type), bump VERSION, commit, and tag
  vX.Y.Z. The level defaults to the highest changeset bump. `--publish` also
  pushes and creates the Forgejo release with source + toolchain tarballs;
  tools/ci/forgejo_release.py is the small stdlib-Python HTTP glue for the
  release API (a native Http client is issue #6).

Seed the initial changesets describing the shipped surface; the first `x release`
turns them into the v0.1.0 CHANGELOG. Reseeded for the --version flag; C-free
bootstrap fixpoint holds; suites 56 / 29 / 29 on macOS, 51 / 28 (+skips) on Linux
CI, bootstrap-cfree byte-identical on both.

Part of the repository-cleanup / DX pass (with #32, #34).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-30 23:46:59 +03:00

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# x — the Ludic task runner. One native binary (bin/x) that replaces every
# build/test/bootstrap shell script in the repo. It is written in Ludic and
# compiled by Ludic; the unix tools and clang it drives are invoked through the
# `run` intrinsic, the same way the old *.sh files shelled out.
#
# Bootstrap it once from a clean checkout (the only step Ludic cannot do for
# itself, since compiling Ludic needs a compiler):
#
# clang selfhost/ludicc.seed.ll -o bin/ludicc && bin/ludicc tools/x/main.ludic -o bin/x
#
# Thereafter `bin/x build` rebuilds the whole toolchain — including bin/x itself.
# Always run x from the repository root.
program X {
import "prelude.ludic"
import "selfhost.ludic"
import "build.ludic"
import "tools.ludic"
import "selfhost_test.ludic"
import "test.ludic"
import "release.ludic"
function usage() -> void {
print("x — the Ludic task runner (run from the repository root)")
print("")
print("build & run:")
print(" x build build the whole toolchain into bin/ (ludicc, ludic, x, ludic-fmt, ludic-lsp)")
print(" x build-cli build just bin/ludicc and bin/ludic from the IR seed")
print(" x app <file.ludic> [--headless] [--save-temps]")
print(" compile a Ludic program to a native app in build/")
print(" x tools [--install] [--test] build the editor toolchain (ludic-fmt, ludic-lsp)")
print(" x clean remove build/ (incl. build/out.ppm) and stray artifacts (keeps bin/)")
print("")
print("test:")
print(" x test the full regression suite")
print(" x selfhost-test the self-hosting suite (correctness + bootstrap fixpoints)")
print(" x test-tools the editor-toolchain suite")
print(" x golden regenerate selfhost/golden/renders.sha256 (review with git diff)")
print("")
print("release:")
print(" x version print the toolchain version (ludicc --version)")
print(" x release [major|minor|patch] [--publish]")
print(" cut a release: CHANGELOG + VERSION bump + tag (+ Forgejo release)")
print("")
print("self-host internals:")
print(" x selfhost-build [ludicc] [out] assemble + compile the self-host compiler")
print(" x bootstrap the self-hosting fixpoint proof (seeded from bin/ludicc)")
print(" x bootstrap-cfree rebuild the compiler from the seed with no C compiler")
print(" x reseed regenerate selfhost/ludicc.seed.ll after a compiler change")
print(" x game-build <ludicc> <game.ludic> <out> compile a Ludic game (headless)")
print(" x sh-compile <ludicc> <in.ludic> <out> compile + link one .ludic file")
}
# a positional argument, or a default when absent
function argn(i: int, dflt: pointer) -> pointer {
if (i < arg_count()) { return arg(i) }
return dflt
}
entry {
if (arg_count() < 2) { usage(); exit(1) }
let cmd = arg(1)
if (cmd == "build") { exit(cmd_build()) }
if (cmd == "build-cli") { exit(cmd_build_cli()) }
if (cmd == "app") { exit(cmd_app()) }
if (cmd == "tools") { exit(cmd_tools()) }
if (cmd == "clean") { exit(cmd_clean()) }
if (cmd == "test") { exit(cmd_test()) }
if (cmd == "selfhost-test") { exit(cmd_selfhost_test()) }
if (cmd == "test-tools") { exit(cmd_test_tools()) }
if (cmd == "golden") { exit(cmd_golden()) }
if (cmd == "bootstrap") { exit(cmd_bootstrap()) }
if (cmd == "bootstrap-cfree") { exit(cmd_bootstrap_cfree()) }
if (cmd == "reseed") { exit(cmd_reseed()) }
if (cmd == "selfhost-build") { exit(cmd_selfhost_build(argn(2, "bin/ludicc"), argn(3, "build/selfhost"))) }
if (cmd == "sh-compile") {
if (arg_count() < 5) { err("usage: x sh-compile <ludicc> <in.ludic> <out>\n"); exit(1) }
exit(cmd_sh_compile(arg(2), arg(3), arg(4)))
}
if (cmd == "game-build") {
if (arg_count() < 5) { err("usage: x game-build <ludicc> <game.ludic> <out>\n"); exit(1) }
exit(cmd_game_build(arg(2), arg(3), arg(4)))
}
if (cmd == "version") or (cmd == "--version") or (cmd == "-v") { exit(cmd_version()) }
if (cmd == "release") { exit(cmd_release()) }
if (cmd == "help") or (cmd == "--help") or (cmd == "-h") { usage(); exit(0) }
err(`x: unknown command '{cmd}'\n`)
usage()
exit(1)
}
}