chore: simplify project to engine docs and tests

Remove planning and acceptance scaffolding while retaining the native Vulkan mission preview, format readers, runtime algorithms, and ordinary Rust tests. Keep the book aligned with the runnable project and validate checked-in shaders without generated tool metadata.
This commit is contained in:
2026-09-06 05:22:12 +04:00
parent da03e77f53
commit aa51f3574d
167 changed files with 667 additions and 23705 deletions
-22
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@@ -1,22 +0,0 @@
[package]
name = "fparkan-cli"
version.workspace = true
edition.workspace = true
license.workspace = true
repository.workspace = true
[dependencies]
fparkan-assets = { path = "../../crates/fparkan-assets", version = "0.1.0" }
fparkan-corpus = { path = "../../crates/fparkan-corpus", version = "0.1.0" }
fparkan-prototype = { path = "../../crates/fparkan-prototype", version = "0.1.0" }
fparkan-inspection = { path = "../../crates/fparkan-inspection", version = "0.1.0" }
fparkan-path = { path = "../../crates/fparkan-path", version = "0.1.0" }
fparkan-resource = { path = "../../crates/fparkan-resource", version = "0.1.0" }
fparkan-runtime = { path = "../../crates/fparkan-runtime", version = "0.1.0" }
fparkan-script = { path = "../../crates/fparkan-script", version = "0.1.0" }
fparkan-vfs = { path = "../../crates/fparkan-vfs", version = "0.1.0" }
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
[lints]
workspace = true
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+8 -14
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@@ -6,20 +6,14 @@ license.workspace = true
repository.workspace = true
[dependencies]
fparkan-assets = { path = "../../crates/fparkan-assets", version = "0.1.0" }
fparkan-inspection = { path = "../../crates/fparkan-inspection", version = "0.1.0" }
fparkan-path = { path = "../../crates/fparkan-path", version = "0.1.0" }
fparkan-platform = { path = "../../crates/fparkan-platform", version = "0.1.0" }
fparkan-render = { path = "../../crates/fparkan-render", version = "0.1.0" }
fparkan-platform-winit = { path = "../../adapters/fparkan-platform-winit", version = "0.1.0" }
fparkan-render-vulkan = { path = "../../adapters/fparkan-render-vulkan", version = "0.1.0" }
fparkan-runtime = { path = "../../crates/fparkan-runtime", version = "0.1.0" }
fparkan-terrain = { path = "../../crates/fparkan-terrain", version = "0.1.0" }
fparkan-vfs = { path = "../../crates/fparkan-vfs", version = "0.1.0" }
fparkan-world = { path = "../../crates/fparkan-world", version = "0.1.0" }
fparkan-assets = { path = "../../crates/fparkan-assets" }
fparkan-path = { path = "../../crates/fparkan-path" }
fparkan-render = { path = "../../crates/fparkan-render" }
fparkan-platform-winit = { path = "../../adapters/fparkan-platform-winit" }
fparkan-render-vulkan = { path = "../../adapters/fparkan-render-vulkan" }
fparkan-runtime = { path = "../../crates/fparkan-runtime" }
fparkan-terrain = { path = "../../crates/fparkan-terrain" }
fparkan-vfs = { path = "../../crates/fparkan-vfs" }
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
winit = { version = "0.30", default-features = false, features = ["rwh_06"] }
[lints]
workspace = true
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-14
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@@ -1,14 +0,0 @@
[package]
name = "fparkan-headless"
version.workspace = true
edition.workspace = true
license.workspace = true
repository.workspace = true
[dependencies]
fparkan-runtime = { path = "../../crates/fparkan-runtime", version = "0.1.0" }
fparkan-vfs = { path = "../../crates/fparkan-vfs", version = "0.1.0" }
fparkan-world = { path = "../../crates/fparkan-world", version = "0.1.0" }
[lints]
workspace = true
-267
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@@ -1,267 +0,0 @@
#![forbid(unsafe_code)]
#![cfg_attr(
test,
allow(
clippy::cast_possible_truncation,
clippy::cast_possible_wrap,
clippy::cast_precision_loss,
clippy::expect_used,
clippy::float_cmp,
clippy::identity_op,
clippy::too_many_lines,
clippy::uninlined_format_args,
clippy::map_unwrap_or,
clippy::needless_raw_string_hashes,
clippy::semicolon_if_nothing_returned,
clippy::type_complexity,
clippy::panic,
clippy::unwrap_used
)
)]
#![allow(clippy::print_stderr, clippy::print_stdout)]
//! `FParkan` headless runtime entrypoint.
use fparkan_runtime::{
advance_reference_movement, create, load_mission, step_headless, EngineConfig, EngineMode,
EngineServices, MissionRequest,
};
use fparkan_vfs::DirectoryVfs;
use fparkan_world::{InputSnapshot, OriginalObjectId};
use std::path::PathBuf;
use std::sync::Arc;
fn main() {
if let Err(err) = run() {
eprintln!("{err}");
std::process::exit(2);
}
}
fn run() -> Result<(), String> {
let raw_args: Vec<String> = std::env::args().skip(1).collect();
let args = Args::parse(&raw_args)?;
let services = if let Some(root) = &args.root {
EngineServices::new(Arc::new(DirectoryVfs::new(root)))
} else {
EngineServices::default()
};
let mut engine = create(
EngineConfig {
mode: EngineMode::Headless,
},
services,
)
.map_err(|err| format!("{err}"))?;
if let Some(mission) = args.mission {
let loaded = load_mission(&mut engine, MissionRequest { key: mission })
.map_err(|err| format!("{err}"))?;
println!(
"mission objects={} areals={} surfaces={} graph_roots={} components={} wear={} material_slots={} textures={} lightmaps={} scripts={} script_events={} script_varset_declarations={} script_init_states={} script_varset_states={} graph_failures={}",
loaded.object_count,
loaded.areal_count,
loaded.surface_count,
loaded.graph_root_count,
loaded.graph_unit_component_count,
loaded.graph_wear_resolved_count,
loaded.graph_material_resolved_count,
loaded.graph_texture_resolved_count,
loaded.graph_lightmap_resolved_count,
loaded.script_bundle_count,
loaded.script_event_count,
loaded.script_varset_declaration_count,
loaded.script_init_state_count,
loaded.script_varset_state_count,
loaded.graph_failure_count
);
}
if let Some(movement) = args.reference_movement {
let reached = advance_reference_movement(
&mut engine,
OriginalObjectId(movement.original_id),
movement.target_xy,
movement.max_step,
)
.map_err(|err| format!("{err}"))?;
println!(
"reference_movement original_id={} target_xy=[{},{}] max_step={} reached={reached}",
movement.original_id, movement.target_xy[0], movement.target_xy[1], movement.max_step,
);
}
let mut last = None;
for _ in 0..args.ticks {
last = Some(step_headless(&mut engine, InputSnapshot).map_err(|err| format!("{err}"))?);
}
if let Some(frame) = last {
println!(
"tick={} hash={:02x?}",
frame.snapshot.tick.0, frame.snapshot.hash.0
);
}
Ok(())
}
#[derive(Debug)]
struct Args {
root: Option<PathBuf>,
mission: Option<String>,
ticks: u64,
reference_movement: Option<ReferenceMovement>,
}
#[derive(Clone, Copy, Debug, PartialEq)]
struct ReferenceMovement {
original_id: u32,
target_xy: [f32; 2],
max_step: f32,
}
impl Args {
fn parse(args: &[String]) -> Result<Self, String> {
let mut parsed = Self {
root: None,
mission: None,
ticks: 1,
reference_movement: None,
};
let mut iter = args.iter();
while let Some(arg) = iter.next() {
match arg.as_str() {
"--root" => {
parsed.root = Some(
iter.next()
.map(PathBuf::from)
.ok_or_else(|| "--root requires a path".to_string())?,
);
}
"--mission" => {
parsed.mission = Some(
iter.next()
.cloned()
.ok_or_else(|| "--mission requires a path".to_string())?,
);
}
"--ticks" => {
parsed.ticks = iter
.next()
.ok_or_else(|| "--ticks requires a value".to_string())?
.parse()
.map_err(|_| "--ticks must be an integer".to_string())?;
}
"--move-object" => {
if parsed.reference_movement.is_some() {
return Err("--move-object may be specified once".to_string());
}
let original_id = iter
.next()
.ok_or_else(|| "--move-object requires an original object id".to_string())?
.parse()
.map_err(|_| {
"--move-object object id must be an unsigned integer".to_string()
})?;
let x = parse_finite_argument(
iter.next(),
"--move-object requires a finite X target",
)?;
let y = parse_finite_argument(
iter.next(),
"--move-object requires a finite Y target",
)?;
let max_step = parse_finite_argument(
iter.next(),
"--move-object requires a finite positive maximum step",
)?;
if max_step <= 0.0 {
return Err("--move-object maximum step must be positive".to_string());
}
parsed.reference_movement = Some(ReferenceMovement {
original_id,
target_xy: [x, y],
max_step,
});
}
_ => return Err(usage()),
}
}
if parsed.mission.is_some() && parsed.root.is_none() {
return Err("--mission requires --root".to_string());
}
if parsed.reference_movement.is_some() && parsed.mission.is_none() {
return Err("--move-object requires --mission".to_string());
}
Ok(parsed)
}
}
fn parse_finite_argument(value: Option<&String>, error: &str) -> Result<f32, String> {
let value: f32 = value
.ok_or_else(|| error.to_string())?
.parse()
.map_err(|_| error.to_string())?;
value
.is_finite()
.then_some(value)
.ok_or_else(|| error.to_string())
}
fn usage() -> String {
"usage: fparkan-headless [--root <path> --mission <path>] [--move-object <original-id> <x> <y> <max-step>] [--ticks <n>]".to_string()
}
#[cfg(test)]
mod tests {
use super::*;
fn args(values: &[&str]) -> Vec<String> {
values.iter().map(ToString::to_string).collect()
}
#[test]
fn move_object_parses_a_single_finite_reference_command() {
let parsed = Args::parse(&args(&[
"--root",
"C:/game",
"--mission",
"MISSIONS/Autodemo.00/data.tma",
"--move-object",
"7",
"12.5",
"-3",
"0.25",
"--ticks",
"2",
]))
.expect("args");
assert_eq!(parsed.ticks, 2);
assert_eq!(
parsed.reference_movement,
Some(ReferenceMovement {
original_id: 7,
target_xy: [12.5, -3.0],
max_step: 0.25,
})
);
}
#[test]
fn move_object_requires_a_loaded_mission_and_valid_step() {
assert_eq!(
Args::parse(&args(&["--move-object", "7", "1", "2", "1"])).expect_err("mission"),
"--move-object requires --mission"
);
assert_eq!(
Args::parse(&args(&[
"--root",
"C:/game",
"--mission",
"M/data.tma",
"--move-object",
"7",
"1",
"2",
"0",
]))
.expect_err("step"),
"--move-object maximum step must be positive"
);
}
}
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@@ -1,13 +0,0 @@
[package]
name = "fparkan-viewer"
version.workspace = true
edition.workspace = true
license.workspace = true
repository.workspace = true
[dependencies]
fparkan-inspection = { path = "../../crates/fparkan-inspection", version = "0.1.0" }
fparkan-render = { path = "../../crates/fparkan-render", version = "0.1.0" }
[lints]
workspace = true
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#![forbid(unsafe_code)]
#![cfg_attr(
test,
allow(
clippy::cast_possible_truncation,
clippy::cast_possible_wrap,
clippy::cast_precision_loss,
clippy::expect_used,
clippy::float_cmp,
clippy::identity_op,
clippy::too_many_lines,
clippy::uninlined_format_args,
clippy::map_unwrap_or,
clippy::needless_raw_string_hashes,
clippy::semicolon_if_nothing_returned,
clippy::type_complexity,
clippy::panic,
clippy::unwrap_used
)
)]
#![allow(clippy::print_stderr, clippy::print_stdout)]
//! `FParkan` asset inspection composition root.
use fparkan_inspection::{
inspect_land_file, inspect_model_from_root, inspect_texture_from_root, ArchiveInspection,
LandFileKind, MapInspection, NresEntrySummary,
};
use fparkan_render::{
build_commands, CameraSnapshot, DrawId, GpuMaterialId, GpuMeshId, IndexRange, RenderPhase,
RenderProfile, RenderSnapshot, RenderSnapshotDraw,
};
use std::fmt::Write;
use std::path::PathBuf;
fn main() {
let args = std::env::args().skip(1).collect::<Vec<_>>();
let code = match run(&args) {
Ok(json) => {
println!("{json}");
0
}
Err(err) => {
eprintln!("{err}");
2
}
};
std::process::exit(code);
}
fn run(args: &[String]) -> Result<String, String> {
match args {
[domain, rest @ ..] if domain == "archive" => inspect_archive(rest),
[domain, rest @ ..] if domain == "model" => inspect_model(rest),
[domain, rest @ ..] if domain == "texture" => inspect_texture(rest),
[domain, rest @ ..] if domain == "map" => inspect_map(rest),
_ => Err(usage()),
}
}
fn inspect_archive(args: &[String]) -> Result<String, String> {
let file = parse_file(args)?;
let limit = parse_limit(args)?;
let inspection = fparkan_inspection::inspect_archive_file(&file, limit)?;
match inspection {
ArchiveInspection::Nres {
entries,
lookup_order_valid,
sample,
} => Ok(format!(
"{{\"report_kind\":\"archive-inspection\",\"kind\":\"NRes\",\"path\":{},\"entries\":{},\"lookup_order_valid\":{},\"sample\":[{}]}}",
json_string(&file.display().to_string()),
entries,
lookup_order_valid,
render_nres_entries(&sample)
)),
ArchiveInspection::Rsli { entries } => Ok(format!(
"{{\"report_kind\":\"archive-inspection\",\"kind\":\"RsLi\",\"path\":{},\"entries\":{}}}",
json_string(&file.display().to_string()),
entries
)),
ArchiveInspection::Unsupported => Err(format!("{}: unsupported archive magic", file.display())),
}
}
fn inspect_model(args: &[String]) -> Result<String, String> {
if let Some(fixture) = parse_option(args, &["--fixture"]) {
return ViewerModelService::inspect_synthetic_model(&fixture);
}
let query = parse_resource_query(args)?;
let inspection = inspect_model_from_root(&query.root, &query.archive, &query.name)?;
Ok(format!(
"{{\"report_kind\":\"model-inspection\",\"kind\":\"model\",\"archive\":{},\"name\":{},\"streams\":{},\"nodes\":{},\"slots\":{},\"positions\":{},\"indices\":{},\"batches\":{}}}",
json_string(&query.archive),
json_string(&query.name),
inspection.streams,
inspection.nodes,
inspection.slots,
inspection.positions,
inspection.indices,
inspection.batches
))
}
#[derive(Clone, Debug)]
struct ViewerModelService;
impl ViewerModelService {
fn inspect_synthetic_model(fixture: &str) -> Result<String, String> {
if fixture != "synthetic/model-basic" {
return Err(format!("unknown model fixture: {fixture}"));
}
let snapshot = RenderSnapshot {
camera: CameraSnapshot::default(),
draws: vec![RenderSnapshotDraw {
id: DrawId(1),
phase: RenderPhase::Opaque,
object_id: None,
mesh: GpuMeshId(1),
material_slots: vec![GpuMaterialId(7)],
material_index: 0,
pipeline_state: fparkan_render::LegacyPipelineState::default(),
transform: identity_transform(),
range: IndexRange { start: 0, count: 3 },
stable_order: 0,
}],
};
let commands = build_commands(&snapshot, RenderProfile::default())
.map_err(|err| format!("render command generation: {err}"))?;
let draw_commands = commands
.commands
.iter()
.filter(|command| matches!(command, fparkan_render::RenderCommand::Draw(_)))
.count();
Ok(format!(
"{{\"report_kind\":\"model-inspection\",\"kind\":\"model\",\"fixture\":{},\"service\":\"synthetic-model-inspection\",\"draw_commands\":{draw_commands}}}",
json_string(fixture)
))
}
}
fn inspect_texture(args: &[String]) -> Result<String, String> {
let query = parse_resource_query(args)?;
let inspection = inspect_texture_from_root(&query.root, &query.archive, &query.name)?;
Ok(format!(
"{{\"report_kind\":\"texture-inspection\",\"kind\":\"texture\",\"archive\":{},\"name\":{},\"width\":{},\"height\":{},\"format\":{},\"mips\":{},\"pages\":{}}}",
json_string(&query.archive),
json_string(&query.name),
inspection.width,
inspection.height,
json_string(&inspection.format),
inspection.mips,
inspection.pages
))
}
fn inspect_map(args: &[String]) -> Result<String, String> {
let file = parse_file(args)?;
let kind = parse_option(args, &["--kind"]).ok_or_else(|| "missing --kind".to_string())?;
let inspection = inspect_land_file(
&file,
match kind.as_str() {
"land-msh" => LandFileKind::LandMsh,
"land-map" => LandFileKind::LandMap,
_ => return Err(format!("unknown map kind: {kind}")),
},
)?;
Ok(render_map_inspection_json(
&file.display().to_string(),
&kind,
&inspection,
))
}
fn render_map_inspection_json(path: &str, kind: &str, inspection: &MapInspection) -> String {
match kind {
"land-msh" => format!(
"{{\"report_kind\":\"map-inspection\",\"kind\":\"land-msh\",\"path\":{},\"streams\":{},\"positions\":{},\"faces\":{},\"slots\":{}}}",
json_string(path),
inspection.streams,
inspection.positions,
inspection.faces,
inspection.slots
),
"land-map" => format!(
"{{\"report_kind\":\"map-inspection\",\"kind\":\"land-map\",\"path\":{},\"areals\":{},\"declared_areals\":{},\"grid_width\":{},\"grid_height\":{}}}",
json_string(path),
inspection.areals,
inspection.declared_areals,
inspection.grid_width,
inspection.grid_height
),
_ => unreachable!("invalid land kind: {kind}"),
}
}
struct ResourceQuery {
root: PathBuf,
archive: String,
name: String,
}
fn parse_resource_query(args: &[String]) -> Result<ResourceQuery, String> {
Ok(ResourceQuery {
root: parse_path_option(args, &["--root", "--game-root"], "--root")?,
archive: parse_option(args, &["--archive"])
.ok_or_else(|| "missing --archive".to_string())?,
name: parse_option(args, &["--name"]).ok_or_else(|| "missing --name".to_string())?,
})
}
fn parse_file(args: &[String]) -> Result<PathBuf, String> {
parse_path_option(args, &["--file"], "--file")
}
fn parse_limit(args: &[String]) -> Result<usize, String> {
parse_option(args, &["--limit"])
.map(|value| {
value
.parse::<usize>()
.map_err(|_| format!("invalid --limit: {value}"))
})
.transpose()
.map(|value| value.unwrap_or(0))
}
fn render_nres_entries(entries: &[NresEntrySummary]) -> String {
let mut out = String::new();
for (index, entry) in entries.iter().enumerate() {
if index > 0 {
out.push(',');
}
let name = &entry.name;
let _ = write!(
out,
"{{\"name\":{},\"type\":{},\"size\":{}}}",
json_string(name),
entry.type_id,
entry.data_size
);
}
out
}
fn parse_path_option(args: &[String], names: &[&str], label: &str) -> Result<PathBuf, String> {
parse_option(args, names)
.map(PathBuf::from)
.ok_or_else(|| format!("missing {label}"))
}
fn parse_option(args: &[String], names: &[&str]) -> Option<String> {
let mut iter = args.iter();
while let Some(arg) = iter.next() {
if names.iter().any(|name| arg == name) {
return iter.next().cloned();
}
}
None
}
fn json_string(value: &str) -> String {
let mut out = String::with_capacity(value.len() + 2);
out.push('"');
for ch in value.chars() {
match ch {
'"' => out.push_str("\\\""),
'\\' => out.push_str("\\\\"),
'\n' => out.push_str("\\n"),
'\r' => out.push_str("\\r"),
'\t' => out.push_str("\\t"),
c if c.is_control() => {
let _ = write!(out, "\\u{:04x}", c as u32);
}
c => out.push(c),
}
}
out.push('"');
out
}
fn identity_transform() -> [f32; 16] {
[
1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0,
]
}
fn usage() -> String {
"usage: fparkan-viewer archive --file <archive> [--limit N] | model --root <game-root> --archive <archive> --name <msh> | model --fixture synthetic/model-basic | texture --root <game-root> --archive <archive> --name <texm> | map --file <Land.msh|Land.map> --kind land-msh|land-map".to_string()
}
#[cfg(test)]
mod tests {
use super::*;
fn strings(values: &[&str]) -> Vec<String> {
values.iter().map(|value| (*value).to_string()).collect()
}
#[test]
fn parses_resource_query() -> Result<(), String> {
let query = parse_resource_query(&strings(&[
"--root",
"testdata/IS",
"--archive",
"textures.lib",
"--name",
"grass.tex",
]))?;
assert_eq!(query.root, PathBuf::from("testdata/IS"));
assert_eq!(query.archive, "textures.lib");
assert_eq!(query.name, "grass.tex");
Ok(())
}
#[test]
fn json_string_escapes_controls() {
assert_eq!(json_string("a\"b\\c\n"), "\"a\\\"b\\\\c\\n\"");
}
#[test]
fn usage_rejects_empty_args() {
assert_eq!(run(&[]), Err(usage()));
}
#[test]
fn parses_limit() {
assert_eq!(parse_limit(&strings(&["--limit", "2"])), Ok(2));
assert_eq!(parse_limit(&[]), Ok(0));
assert_eq!(
parse_limit(&strings(&["--limit", "x"])),
Err("invalid --limit: x".to_string())
);
}
#[test]
fn model_fixture_uses_viewer_service_and_render_commands() -> Result<(), String> {
assert_eq!(
run(&strings(&["model", "--fixture", "synthetic/model-basic"]))?,
"{\"report_kind\":\"model-inspection\",\"kind\":\"model\",\"fixture\":\"synthetic/model-basic\",\"service\":\"synthetic-model-inspection\",\"draw_commands\":1}"
);
Ok(())
}
}
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[package]
name = "fparkan-vulkan-smoke"
version.workspace = true
edition.workspace = true
license.workspace = true
repository.workspace = true
build = "build.rs"
[dependencies]
fparkan-platform = { path = "../../crates/fparkan-platform", version = "0.1.0" }
fparkan-platform-winit = { path = "../../adapters/fparkan-platform-winit", version = "0.1.0" }
fparkan-render-vulkan = { path = "../../adapters/fparkan-render-vulkan", version = "0.1.0" }
fparkan-inspection = { path = "../../crates/fparkan-inspection", version = "0.1.0" }
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
winit = { version = "0.30", default-features = false, features = ["rwh_06"] }
[lints]
workspace = true
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//! Build-time provenance for native smoke artifacts.
use std::env;
use std::path::{Path, PathBuf};
use std::process::Command;
fn main() {
println!("cargo:rerun-if-env-changed=TARGET");
println!("cargo:rerun-if-env-changed=RUSTC");
println!("cargo:rerun-if-env-changed=RUSTUP_TOOLCHAIN");
println!("cargo:rerun-if-env-changed=GITHUB_SHA");
println!("cargo:rerun-if-env-changed=SOURCE_VERSION");
println!("cargo:rerun-if-env-changed=BUILD_VCS_NUMBER");
if let Ok(target) = env::var("TARGET") {
println!("cargo:rustc-env=FPARKAN_BUILD_TARGET_TRIPLE={target}");
}
if let Some(toolchain) = rustc_release() {
println!("cargo:rustc-env=FPARKAN_BUILD_RUST_TOOLCHAIN={toolchain}");
}
if let Some(workspace_root) = workspace_root() {
if let Some(git_dir) = git_dir(&workspace_root) {
emit_git_rerun_hints(&git_dir);
}
if let Some(commit_sha) = env_commit_sha().or_else(|| git_head_commit_sha(&workspace_root))
{
println!("cargo:rustc-env=FPARKAN_BUILD_COMMIT_SHA={commit_sha}");
}
if let Some(git_dirty) = git_dirty(&workspace_root) {
println!("cargo:rustc-env=FPARKAN_BUILD_GIT_DIRTY={git_dirty}");
}
}
}
fn workspace_root() -> Option<PathBuf> {
env::var_os("CARGO_MANIFEST_DIR")
.map(PathBuf::from)
.map(|manifest_dir| manifest_dir.join("../.."))
}
fn env_commit_sha() -> Option<String> {
["GITHUB_SHA", "SOURCE_VERSION", "BUILD_VCS_NUMBER"]
.into_iter()
.filter_map(|name| env::var(name).ok())
.find(|value| is_commit_sha(value))
}
fn git_head_commit_sha(workspace_root: &Path) -> Option<String> {
let output = Command::new("git")
.args(["-C"])
.arg(workspace_root)
.args(["rev-parse", "HEAD"])
.output()
.ok()?;
if !output.status.success() {
return None;
}
let value = String::from_utf8(output.stdout).ok()?;
let value = value.trim().to_string();
is_commit_sha(&value).then_some(value)
}
fn git_dirty(workspace_root: &Path) -> Option<bool> {
let output = Command::new("git")
.args(["-C"])
.arg(workspace_root)
.args(["status", "--short"])
.output()
.ok()?;
output
.status
.success()
.then(|| !String::from_utf8_lossy(&output.stdout).trim().is_empty())
}
fn git_dir(workspace_root: &Path) -> Option<PathBuf> {
let output = Command::new("git")
.args(["-C"])
.arg(workspace_root)
.args(["rev-parse", "--git-dir"])
.output()
.ok()?;
if !output.status.success() {
return None;
}
let value = String::from_utf8(output.stdout).ok()?;
let value = value.trim();
(!value.is_empty()).then(|| workspace_root.join(value))
}
fn emit_git_rerun_hints(git_dir: &Path) {
let head = git_dir.join("HEAD");
println!("cargo:rerun-if-changed={}", head.display());
println!(
"cargo:rerun-if-changed={}",
git_dir.join("packed-refs").display()
);
println!("cargo:rerun-if-changed={}", git_dir.join("index").display());
let Some(reference) = std::fs::read_to_string(&head).ok().and_then(|value| {
value
.strip_prefix("ref: ")
.map(str::trim)
.map(ToOwned::to_owned)
}) else {
return;
};
println!(
"cargo:rerun-if-changed={}",
git_dir.join(reference).display()
);
}
fn is_commit_sha(value: &str) -> bool {
value.len() == 40 && value.chars().all(|ch| ch.is_ascii_hexdigit())
}
fn rustc_release() -> Option<String> {
let rustc = env::var("RUSTC").unwrap_or_else(|_| "rustc".to_string());
let output = Command::new(rustc).arg("-Vv").output().ok()?;
if !output.status.success() {
return None;
}
String::from_utf8(output.stdout)
.ok()?
.lines()
.find_map(|line| {
line.strip_prefix("release: ")
.map(str::trim)
.filter(|value| !value.is_empty())
.map(ToString::to_string)
})
}
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