use crate::sdd::spec::validation::{SpecFrontmatter, ValidationIssue, ValidationLevel};
use serde::Serialize;
use std::collections::BTreeSet;
use std::env;
use std::path::{Path, PathBuf};
use std::process::Command;
#[derive(Debug, Clone, Serialize, PartialEq)]
#[serde(rename_all = "UPPERCASE")]
pub enum StalenessStatus {
Ok,
Stale,
Info,
Warn,
NotApplicable,
}
impl StalenessStatus {
pub fn as_str(&self) -> &'static str {
match self {
StalenessStatus::Ok => "OK",
StalenessStatus::Stale => "STALE",
StalenessStatus::Info => "INFO",
StalenessStatus::Warn => "WARN",
StalenessStatus::NotApplicable => "NOT_APPLICABLE",
}
}
}
#[derive(Debug, Clone, Serialize)]
pub struct StalenessInfo {
pub status: StalenessStatus,
#[serde(rename = "baseRef")]
pub base_ref: Option<String>,
pub scope: Vec<String>,
#[serde(rename = "touchedPaths")]
pub touched_paths: Vec<String>,
#[serde(rename = "specUpdated")]
pub spec_updated: bool,
pub dirty: bool,
pub notes: Vec<String>,
}
pub struct StalenessResult {
pub info: StalenessInfo,
pub issues: Vec<ValidationIssue>,
}
impl StalenessInfo {
pub fn not_applicable() -> Self {
StalenessInfo {
status: StalenessStatus::NotApplicable,
base_ref: None,
scope: Vec::new(),
touched_paths: Vec::new(),
spec_updated: false,
dirty: false,
notes: Vec::new(),
}
}
}
pub struct StalenessEvaluator {
root: PathBuf,
base_ref: Option<String>,
merge_base: Option<Result<String, String>>,
diff_paths: Option<Result<Vec<String>, String>>,
dirty: Result<bool, String>,
}
impl StalenessEvaluator {
pub fn new(root: &Path) -> Self {
let root = root.to_path_buf();
let base_ref = resolve_base_ref(&root);
let merge_base = base_ref
.as_deref()
.map(|reference| resolve_merge_base(&root, reference));
let diff_paths = match merge_base.as_ref() {
Some(Ok(base)) => Some(git_diff_names(&root, base)),
_ => None,
};
let dirty = git_status_dirty(&root);
Self {
root,
base_ref,
merge_base,
diff_paths,
dirty,
}
}
pub fn evaluate(
&self,
spec_id: &str,
spec_path: &Path,
frontmatter: Option<&SpecFrontmatter>,
spec_updated_override: Option<bool>,
) -> StalenessResult {
let mut issues = Vec::new();
let mut notes = Vec::new();
let mut status = StalenessStatus::Ok;
let scope = frontmatter
.map(|fm| normalize_scope_list(&fm.valid_scope))
.unwrap_or_default();
if scope.is_empty() {
status = StalenessStatus::Warn;
notes.push(t!("sdd.validate.staleness_scope_missing").to_string());
issues.push(ValidationIssue {
level: ValidationLevel::Warning,
path: format!("{spec_id}/staleness"),
message: t!("sdd.validate.staleness_scope_missing").to_string(),
});
}
let base_ref = self.base_ref.clone();
if base_ref.is_none() {
status = StalenessStatus::Warn;
notes.push(t!("sdd.validate.staleness_base_missing").to_string());
issues.push(ValidationIssue {
level: ValidationLevel::Warning,
path: format!("{spec_id}/staleness"),
message: t!("sdd.validate.staleness_base_missing").to_string(),
});
}
let mut touched_paths = Vec::new();
let mut spec_updated = false;
if status != StalenessStatus::Warn && base_ref.is_some() {
match self.merge_base.as_ref() {
Some(Ok(_base)) => {
let diff_paths = match self.diff_paths.as_ref() {
Some(Ok(paths)) => paths.clone(),
Some(Err(err)) => {
status = StalenessStatus::Warn;
notes.push(err.clone());
issues.push(ValidationIssue {
level: ValidationLevel::Warning,
path: format!("{spec_id}/staleness"),
message: err.clone(),
});
Vec::new()
}
None => Vec::new(),
};
if !diff_paths.is_empty() {
let spec_rel = spec_relative_path(&self.root, spec_path);
spec_updated = diff_paths.iter().any(|path| path == &spec_rel);
touched_paths = diff_paths
.iter()
.filter(|path| scope_matches(path, &scope))
.cloned()
.collect();
}
let mut spec_updated_effective = spec_updated;
if let Some(value) = spec_updated_override {
spec_updated_effective = value;
}
if !touched_paths.is_empty() && !spec_updated_effective {
status = StalenessStatus::Stale;
issues.push(ValidationIssue {
level: ValidationLevel::Warning,
path: format!("{spec_id}/staleness"),
message: t!("sdd.validate.staleness_stale").to_string(),
});
} else if spec_updated_effective && touched_paths.is_empty() {
status = StalenessStatus::Info;
notes.push(t!("sdd.validate.staleness_spec_updated").to_string());
}
spec_updated = spec_updated_effective;
}
Some(Err(err)) => {
status = StalenessStatus::Warn;
notes.push(err.clone());
issues.push(ValidationIssue {
level: ValidationLevel::Warning,
path: format!("{spec_id}/staleness"),
message: err.clone(),
});
}
None => {
status = StalenessStatus::Warn;
let err = t!("sdd.validate.staleness_git_failed").to_string();
notes.push(err.clone());
issues.push(ValidationIssue {
level: ValidationLevel::Warning,
path: format!("{spec_id}/staleness"),
message: err,
});
}
}
}
if let Some(value) = spec_updated_override {
spec_updated = value;
if value && status == StalenessStatus::Ok && touched_paths.is_empty() {
status = StalenessStatus::Info;
notes.push(t!("sdd.validate.staleness_spec_updated").to_string());
}
}
let dirty = match &self.dirty {
Ok(dirty) => *dirty,
Err(err) => {
notes.push(err.clone());
issues.push(ValidationIssue {
level: ValidationLevel::Warning,
path: format!("{spec_id}/staleness"),
message: err.clone(),
});
true
}
};
if dirty {
if status == StalenessStatus::Ok {
status = StalenessStatus::Info;
}
notes.push(t!("sdd.validate.staleness_dirty").to_string());
issues.push(ValidationIssue {
level: ValidationLevel::Info,
path: format!("{spec_id}/staleness"),
message: t!("sdd.validate.staleness_dirty").to_string(),
});
}
let info = StalenessInfo {
status,
base_ref,
scope,
touched_paths,
spec_updated,
dirty,
notes,
};
StalenessResult { info, issues }
}
}
pub fn evaluate_staleness(
root: &Path,
spec_id: &str,
spec_path: &Path,
frontmatter: Option<&SpecFrontmatter>,
) -> StalenessResult {
evaluate_staleness_with_override(root, spec_id, spec_path, frontmatter, None)
}
pub fn evaluate_staleness_with_override(
root: &Path,
spec_id: &str,
spec_path: &Path,
frontmatter: Option<&SpecFrontmatter>,
spec_updated_override: Option<bool>,
) -> StalenessResult {
StalenessEvaluator::new(root).evaluate(spec_id, spec_path, frontmatter, spec_updated_override)
}
fn resolve_base_ref(root: &Path) -> Option<String> {
let env_ref = env::var("LLMANSPEC_BASE_REF")
.ok()
.map(|value| value.trim().to_string())
.filter(|value| !value.is_empty());
if let Some(env_ref) = env_ref {
return Some(env_ref);
}
if git_ref_exists(root, "origin/main") {
return Some("origin/main".to_string());
}
if git_ref_exists(root, "origin/master") {
return Some("origin/master".to_string());
}
if git_ref_exists(root, "main") {
return Some("main".to_string());
}
if git_ref_exists(root, "master") {
return Some("master".to_string());
}
None
}
fn git_ref_exists(root: &Path, reference: &str) -> bool {
Command::new("git")
.args(["rev-parse", "--verify", "--quiet", reference])
.current_dir(root)
.output()
.map(|output| output.status.success())
.unwrap_or(false)
}
fn resolve_merge_base(root: &Path, reference: &str) -> Result<String, String> {
run_git(root, &["merge-base", reference, "HEAD"])
}
fn git_diff_names(root: &Path, base: &str) -> Result<Vec<String>, String> {
let output = run_git(root, &["diff", "--name-only", &format!("{base}..HEAD")])?;
let mut paths = BTreeSet::new();
for line in output.lines() {
let trimmed = line.trim();
if trimmed.is_empty() {
continue;
}
paths.insert(trimmed.to_string());
}
Ok(paths.into_iter().collect())
}
fn git_status_dirty(root: &Path) -> Result<bool, String> {
let output = run_git(root, &["status", "--porcelain"])?;
Ok(!output.trim().is_empty())
}
fn run_git(root: &Path, args: &[&str]) -> Result<String, String> {
let output = Command::new("git")
.args(args)
.current_dir(root)
.output()
.map_err(|err| err.to_string())?;
if !output.status.success() {
let stderr = String::from_utf8_lossy(&output.stderr).trim().to_string();
if stderr.is_empty() {
return Err(t!("sdd.validate.staleness_git_failed").to_string());
}
return Err(stderr);
}
Ok(String::from_utf8_lossy(&output.stdout).trim().to_string())
}
fn normalize_scope_list(values: &[String]) -> Vec<String> {
values
.iter()
.map(|value| normalize_path(value))
.filter(|value| !value.is_empty())
.collect()
}
fn normalize_path(value: &str) -> String {
value
.trim()
.trim_start_matches("./")
.trim_start_matches('/')
.trim_end_matches('/')
.to_string()
}
fn scope_matches(path: &str, scope: &[String]) -> bool {
let normalized_path = normalize_path(path);
scope
.iter()
.any(|scope| normalized_path == *scope || normalized_path.starts_with(&format!("{scope}/")))
}
fn spec_relative_path(root: &Path, spec_path: &Path) -> String {
let root = std::fs::canonicalize(root).unwrap_or_else(|_| root.to_path_buf());
let spec_path = std::fs::canonicalize(spec_path).unwrap_or_else(|_| spec_path.to_path_buf());
let rel = spec_path.strip_prefix(&root).unwrap_or(&spec_path);
normalize_path(&path_to_slash(rel))
}
fn path_to_slash(path: &Path) -> String {
path.to_string_lossy().replace('\\', "/")
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn scope_matches_exact_or_prefix() {
let scope = vec!["src".to_string(), "README.md".to_string()];
assert!(scope_matches("src/lib.rs", &scope));
assert!(scope_matches("src/sub/file.rs", &scope));
assert!(scope_matches("README.md", &scope));
assert!(!scope_matches("docs/readme.md", &scope));
}
}