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tests.nixpkgs-check-by-name: Separate file for all problems

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And introduce a function for some smaller indentation
This commit is contained in:
Silvan Mosberger 2023-10-23 23:58:51 +02:00
parent eac0b69063
commit 8be41ace99
6 changed files with 331 additions and 319 deletions
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239
pkgs/test/nixpkgs-check-by-name/src/check_result.rs
View File

@ -1,243 +1,21 @@
use crate::utils::PACKAGE_NIX_FILENAME;
use crate::nixpkgs_problem::NixpkgsProblem;
use itertools::concat;
use itertools::{
Either,
Either::{Left, Right},
Itertools,
};
use rnix::parser::ParseError;
use std::ffi::OsString;
use std::fmt;
use std::io;
use std::path::PathBuf;
pub enum CheckProblem {
ShardNonDir {
relative_shard_path: PathBuf,
},
InvalidShardName {
relative_shard_path: PathBuf,
shard_name: String,
},
PackageNonDir {
relative_package_dir: PathBuf,
},
CaseSensitiveDuplicate {
relative_shard_path: PathBuf,
first: OsString,
second: OsString,
},
InvalidPackageName {
relative_package_dir: PathBuf,
package_name: String,
},
IncorrectShard {
relative_package_dir: PathBuf,
correct_relative_package_dir: PathBuf,
},
PackageNixNonExistent {
relative_package_dir: PathBuf,
},
PackageNixDir {
relative_package_dir: PathBuf,
},
UndefinedAttr {
relative_package_file: PathBuf,
package_name: String,
},
WrongCallPackage {
relative_package_file: PathBuf,
package_name: String,
},
NonDerivation {
relative_package_file: PathBuf,
package_name: String,
},
OutsideSymlink {
relative_package_dir: PathBuf,
subpath: PathBuf,
},
UnresolvableSymlink {
relative_package_dir: PathBuf,
subpath: PathBuf,
io_error: io::Error,
},
CouldNotParseNix {
relative_package_dir: PathBuf,
subpath: PathBuf,
error: ParseError,
},
PathInterpolation {
relative_package_dir: PathBuf,
subpath: PathBuf,
line: usize,
text: String,
},
SearchPath {
relative_package_dir: PathBuf,
subpath: PathBuf,
line: usize,
text: String,
},
OutsidePathReference {
relative_package_dir: PathBuf,
subpath: PathBuf,
line: usize,
text: String,
},
UnresolvablePathReference {
relative_package_dir: PathBuf,
subpath: PathBuf,
line: usize,
text: String,
io_error: io::Error,
},
}
impl CheckProblem {
pub fn into_result<A>(self) -> CheckResult<A> {
Ok(Left(vec![self]))
}
}
impl fmt::Display for CheckProblem {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
CheckProblem::ShardNonDir { relative_shard_path } =>
write!(
f,
"{}: This is a file, but it should be a directory.",
relative_shard_path.display(),
),
CheckProblem::InvalidShardName { relative_shard_path, shard_name } =>
write!(
f,
"{}: Invalid directory name \"{shard_name}\", must be at most 2 ASCII characters consisting of a-z, 0-9, \"-\" or \"_\".",
relative_shard_path.display()
),
CheckProblem::PackageNonDir { relative_package_dir } =>
write!(
f,
"{}: This path is a file, but it should be a directory.",
relative_package_dir.display(),
),
CheckProblem::CaseSensitiveDuplicate { relative_shard_path, first, second } =>
write!(
f,
"{}: Duplicate case-sensitive package directories {first:?} and {second:?}.",
relative_shard_path.display(),
),
CheckProblem::InvalidPackageName { relative_package_dir, package_name } =>
write!(
f,
"{}: Invalid package directory name \"{package_name}\", must be ASCII characters consisting of a-z, A-Z, 0-9, \"-\" or \"_\".",
relative_package_dir.display(),
),
CheckProblem::IncorrectShard { relative_package_dir, correct_relative_package_dir } =>
write!(
f,
"{}: Incorrect directory location, should be {} instead.",
relative_package_dir.display(),
correct_relative_package_dir.display(),
),
CheckProblem::PackageNixNonExistent { relative_package_dir } =>
write!(
f,
"{}: Missing required \"{PACKAGE_NIX_FILENAME}\" file.",
relative_package_dir.display(),
),
CheckProblem::PackageNixDir { relative_package_dir } =>
write!(
f,
"{}: \"{PACKAGE_NIX_FILENAME}\" must be a file.",
relative_package_dir.display(),
),
CheckProblem::UndefinedAttr { relative_package_file, package_name } =>
write!(
f,
"pkgs.{package_name}: This attribute is not defined but it should be defined automatically as {}",
relative_package_file.display()
),
CheckProblem::WrongCallPackage { relative_package_file, package_name } =>
write!(
f,
"pkgs.{package_name}: This attribute is manually defined (most likely in pkgs/top-level/all-packages.nix), which is only allowed if the definition is of the form `pkgs.callPackage {} {{ ... }}` with a non-empty second argument.",
relative_package_file.display()
),
CheckProblem::NonDerivation { relative_package_file, package_name } =>
write!(
f,
"pkgs.{package_name}: This attribute defined by {} is not a derivation",
relative_package_file.display()
),
CheckProblem::OutsideSymlink { relative_package_dir, subpath } =>
write!(
f,
"{}: Path {} is a symlink pointing to a path outside the directory of that package.",
relative_package_dir.display(),
subpath.display(),
),
CheckProblem::UnresolvableSymlink { relative_package_dir, subpath, io_error } =>
write!(
f,
"{}: Path {} is a symlink which cannot be resolved: {io_error}.",
relative_package_dir.display(),
subpath.display(),
),
CheckProblem::CouldNotParseNix { relative_package_dir, subpath, error } =>
write!(
f,
"{}: File {} could not be parsed by rnix: {}",
relative_package_dir.display(),
subpath.display(),
error,
),
CheckProblem::PathInterpolation { relative_package_dir, subpath, line, text } =>
write!(
f,
"{}: File {} at line {line} contains the path expression \"{}\", which is not yet supported and may point outside the directory of that package.",
relative_package_dir.display(),
subpath.display(),
text
),
CheckProblem::SearchPath { relative_package_dir, subpath, line, text } =>
write!(
f,
"{}: File {} at line {line} contains the nix search path expression \"{}\" which may point outside the directory of that package.",
relative_package_dir.display(),
subpath.display(),
text
),
CheckProblem::OutsidePathReference { relative_package_dir, subpath, line, text } =>
write!(
f,
"{}: File {} at line {line} contains the path expression \"{}\" which may point outside the directory of that package.",
relative_package_dir.display(),
subpath.display(),
text,
),
CheckProblem::UnresolvablePathReference { relative_package_dir, subpath, line, text, io_error } =>
write!(
f,
"{}: File {} at line {line} contains the path expression \"{}\" which cannot be resolved: {io_error}.",
relative_package_dir.display(),
subpath.display(),
text,
),
}
}
}
/// A type alias representing the result of a check, either:
/// - Err(anyhow::Error): A fatal failure, typically I/O errors.
/// Such failures are not caused by the files in Nixpkgs.
/// This hints at a bug in the code or a problem with the deployment.
/// - Ok(Left(Vec<CheckProblem>)): A non-fatal problem with the Nixpkgs files.
/// - Ok(Left(Vec<NixpkgsProblem>)): A non-fatal problem with the Nixpkgs files.
/// Further checks can be run even with this result type.
/// Such problems can be fixed by changing the Nixpkgs files.
/// - Ok(Right(A)): A successful (potentially intermediate) result with an arbitrary value.
/// No fatal errors have occurred and no problems have been found with Nixpkgs.
pub type CheckResult<A> = anyhow::Result<Either<Vec<CheckProblem>, A>>;
pub type CheckResult<A> = anyhow::Result<Either<Vec<NixpkgsProblem>, A>>;
/// Map a `CheckResult<I>` to a `CheckResult<O>` by applying a function to the
/// potentially contained value in case of success.
@ -250,8 +28,15 @@ pub fn ok<A>(value: A) -> CheckResult<A> {
Ok(Right(value))
}
impl NixpkgsProblem {
/// Create a `CheckResult<A>` from a single check problem
pub fn into_result<A>(self) -> CheckResult<A> {
Ok(Left(vec![self]))
}
}
/// Combine two check results, both of which need to be successful for the return value to be successful.
/// The `CheckProblem`s of both sides are returned concatenated.
/// The `NixpkgsProblem`s of both sides are returned concatenated.
pub fn and<A>(first: CheckResult<()>, second: CheckResult<A>) -> CheckResult<A> {
match (first?, second?) {
(Right(_), Right(right_value)) => Ok(Right(right_value)),
@ -264,7 +49,7 @@ pub fn and<A>(first: CheckResult<()>, second: CheckResult<A>) -> CheckResult<A>
/// Combine many checks results into a single one.
/// All given check results need to be successful in order for the returned check result to be successful,
/// in which case the returned check result value contains each a `Vec` of each individual result value.
/// The `CheckProblem`s of all results are returned concatenated.
/// The `NixpkgsProblem`s of all results are returned concatenated.
pub fn sequence<A>(check_results: impl IntoIterator<Item = CheckResult<A>>) -> CheckResult<Vec<A>> {
let (errors, values): (Vec<_>, Vec<_>) = check_results
.into_iter()

9
pkgs/test/nixpkgs-check-by-name/src/eval.rs
View File

@ -1,5 +1,6 @@
use crate::check_result;
use crate::check_result::{CheckProblem, CheckResult};
use crate::check_result::CheckResult;
use crate::nixpkgs_problem::NixpkgsProblem;
use crate::structure;
use crate::Version;
use std::path::Path;
@ -137,13 +138,13 @@ pub fn check_values(
};
if !valid {
CheckProblem::WrongCallPackage {
NixpkgsProblem::WrongCallPackage {
relative_package_file: relative_package_file.clone(),
package_name: package_name.clone(),
}
.into_result()
} else if !attribute_info.is_derivation {
CheckProblem::NonDerivation {
NixpkgsProblem::NonDerivation {
relative_package_file: relative_package_file.clone(),
package_name: package_name.clone(),
}
@ -152,7 +153,7 @@ pub fn check_values(
check_result::ok(())
}
} else {
CheckProblem::UndefinedAttr {
NixpkgsProblem::UndefinedAttr {
relative_package_file: relative_package_file.clone(),
package_name: package_name.clone(),
}

1
pkgs/test/nixpkgs-check-by-name/src/main.rs
View File

@ -1,5 +1,6 @@
mod check_result;
mod eval;
mod nixpkgs_problem;
mod references;
mod structure;
mod utils;

218
pkgs/test/nixpkgs-check-by-name/src/nixpkgs_problem.rs Normal file
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@ -0,0 +1,218 @@
use crate::utils::PACKAGE_NIX_FILENAME;
use rnix::parser::ParseError;
use std::ffi::OsString;
use std::fmt;
use std::io;
use std::path::PathBuf;
/// Any problem that can occur when checking Nixpkgs
pub enum NixpkgsProblem {
ShardNonDir {
relative_shard_path: PathBuf,
},
InvalidShardName {
relative_shard_path: PathBuf,
shard_name: String,
},
PackageNonDir {
relative_package_dir: PathBuf,
},
CaseSensitiveDuplicate {
relative_shard_path: PathBuf,
first: OsString,
second: OsString,
},
InvalidPackageName {
relative_package_dir: PathBuf,
package_name: String,
},
IncorrectShard {
relative_package_dir: PathBuf,
correct_relative_package_dir: PathBuf,
},
PackageNixNonExistent {
relative_package_dir: PathBuf,
},
PackageNixDir {
relative_package_dir: PathBuf,
},
UndefinedAttr {
relative_package_file: PathBuf,
package_name: String,
},
WrongCallPackage {
relative_package_file: PathBuf,
package_name: String,
},
NonDerivation {
relative_package_file: PathBuf,
package_name: String,
},
OutsideSymlink {
relative_package_dir: PathBuf,
subpath: PathBuf,
},
UnresolvableSymlink {
relative_package_dir: PathBuf,
subpath: PathBuf,
io_error: io::Error,
},
CouldNotParseNix {
relative_package_dir: PathBuf,
subpath: PathBuf,
error: ParseError,
},
PathInterpolation {
relative_package_dir: PathBuf,
subpath: PathBuf,
line: usize,
text: String,
},
SearchPath {
relative_package_dir: PathBuf,
subpath: PathBuf,
line: usize,
text: String,
},
OutsidePathReference {
relative_package_dir: PathBuf,
subpath: PathBuf,
line: usize,
text: String,
},
UnresolvablePathReference {
relative_package_dir: PathBuf,
subpath: PathBuf,
line: usize,
text: String,
io_error: io::Error,
},
}
impl fmt::Display for NixpkgsProblem {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
NixpkgsProblem::ShardNonDir { relative_shard_path } =>
write!(
f,
"{}: This is a file, but it should be a directory.",
relative_shard_path.display(),
),
NixpkgsProblem::InvalidShardName { relative_shard_path, shard_name } =>
write!(
f,
"{}: Invalid directory name \"{shard_name}\", must be at most 2 ASCII characters consisting of a-z, 0-9, \"-\" or \"_\".",
relative_shard_path.display()
),
NixpkgsProblem::PackageNonDir { relative_package_dir } =>
write!(
f,
"{}: This path is a file, but it should be a directory.",
relative_package_dir.display(),
),
NixpkgsProblem::CaseSensitiveDuplicate { relative_shard_path, first, second } =>
write!(
f,
"{}: Duplicate case-sensitive package directories {first:?} and {second:?}.",
relative_shard_path.display(),
),
NixpkgsProblem::InvalidPackageName { relative_package_dir, package_name } =>
write!(
f,
"{}: Invalid package directory name \"{package_name}\", must be ASCII characters consisting of a-z, A-Z, 0-9, \"-\" or \"_\".",
relative_package_dir.display(),
),
NixpkgsProblem::IncorrectShard { relative_package_dir, correct_relative_package_dir } =>
write!(
f,
"{}: Incorrect directory location, should be {} instead.",
relative_package_dir.display(),
correct_relative_package_dir.display(),
),
NixpkgsProblem::PackageNixNonExistent { relative_package_dir } =>
write!(
f,
"{}: Missing required \"{PACKAGE_NIX_FILENAME}\" file.",
relative_package_dir.display(),
),
NixpkgsProblem::PackageNixDir { relative_package_dir } =>
write!(
f,
"{}: \"{PACKAGE_NIX_FILENAME}\" must be a file.",
relative_package_dir.display(),
),
NixpkgsProblem::UndefinedAttr { relative_package_file, package_name } =>
write!(
f,
"pkgs.{package_name}: This attribute is not defined but it should be defined automatically as {}",
relative_package_file.display()
),
NixpkgsProblem::WrongCallPackage { relative_package_file, package_name } =>
write!(
f,
"pkgs.{package_name}: This attribute is manually defined (most likely in pkgs/top-level/all-packages.nix), which is only allowed if the definition is of the form `pkgs.callPackage {} {{ ... }}` with a non-empty second argument.",
relative_package_file.display()
),
NixpkgsProblem::NonDerivation { relative_package_file, package_name } =>
write!(
f,
"pkgs.{package_name}: This attribute defined by {} is not a derivation",
relative_package_file.display()
),
NixpkgsProblem::OutsideSymlink { relative_package_dir, subpath } =>
write!(
f,
"{}: Path {} is a symlink pointing to a path outside the directory of that package.",
relative_package_dir.display(),
subpath.display(),
),
NixpkgsProblem::UnresolvableSymlink { relative_package_dir, subpath, io_error } =>
write!(
f,
"{}: Path {} is a symlink which cannot be resolved: {io_error}.",
relative_package_dir.display(),
subpath.display(),
),
NixpkgsProblem::CouldNotParseNix { relative_package_dir, subpath, error } =>
write!(
f,
"{}: File {} could not be parsed by rnix: {}",
relative_package_dir.display(),
subpath.display(),
error,
),
NixpkgsProblem::PathInterpolation { relative_package_dir, subpath, line, text } =>
write!(
f,
"{}: File {} at line {line} contains the path expression \"{}\", which is not yet supported and may point outside the directory of that package.",
relative_package_dir.display(),
subpath.display(),
text
),
NixpkgsProblem::SearchPath { relative_package_dir, subpath, line, text } =>
write!(
f,
"{}: File {} at line {line} contains the nix search path expression \"{}\" which may point outside the directory of that package.",
relative_package_dir.display(),
subpath.display(),
text
),
NixpkgsProblem::OutsidePathReference { relative_package_dir, subpath, line, text } =>
write!(
f,
"{}: File {} at line {line} contains the path expression \"{}\" which may point outside the directory of that package.",
relative_package_dir.display(),
subpath.display(),
text,
),
NixpkgsProblem::UnresolvablePathReference { relative_package_dir, subpath, line, text, io_error } =>
write!(
f,
"{}: File {} at line {line} contains the path expression \"{}\" which cannot be resolved: {io_error}.",
relative_package_dir.display(),
subpath.display(),
text,
),
}
}
}

17
pkgs/test/nixpkgs-check-by-name/src/references.rs
View File

@ -1,5 +1,6 @@
use crate::check_result;
use crate::check_result::{CheckProblem, CheckResult};
use crate::check_result::CheckResult;
use crate::nixpkgs_problem::NixpkgsProblem;
use crate::utils;
use crate::utils::LineIndex;
@ -47,7 +48,7 @@ fn check_path(context: &PackageContext, subpath: &Path) -> CheckResult<()> {
// No need to handle the case of it being inside the directory, since we scan through the
// entire directory recursively anyways
if let Err(_prefix_error) = target.strip_prefix(context.absolute_package_dir) {
CheckProblem::OutsideSymlink {
NixpkgsProblem::OutsideSymlink {
relative_package_dir: context.relative_package_dir.clone(),
subpath: subpath.to_path_buf(),
}
@ -56,7 +57,7 @@ fn check_path(context: &PackageContext, subpath: &Path) -> CheckResult<()> {
check_result::ok(())
}
}
Err(io_error) => CheckProblem::UnresolvableSymlink {
Err(io_error) => NixpkgsProblem::UnresolvableSymlink {
relative_package_dir: context.relative_package_dir.clone(),
subpath: subpath.to_path_buf(),
io_error,
@ -104,7 +105,7 @@ fn check_nix_file(context: &PackageContext, subpath: &Path) -> CheckResult<()> {
let root = Root::parse(&contents);
if let Some(error) = root.errors().first() {
return CheckProblem::CouldNotParseNix {
return NixpkgsProblem::CouldNotParseNix {
relative_package_dir: context.relative_package_dir.clone(),
subpath: subpath.to_path_buf(),
error: error.clone(),
@ -124,7 +125,7 @@ fn check_nix_file(context: &PackageContext, subpath: &Path) -> CheckResult<()> {
} else if node.children().count() != 0 {
// Filters out ./foo/${bar}/baz
// TODO: We can just check ./foo
CheckProblem::PathInterpolation {
NixpkgsProblem::PathInterpolation {
relative_package_dir: context.relative_package_dir.clone(),
subpath: subpath.to_path_buf(),
line,
@ -133,7 +134,7 @@ fn check_nix_file(context: &PackageContext, subpath: &Path) -> CheckResult<()> {
.into_result()
} else if text.starts_with('<') {
// Filters out search paths like <nixpkgs>
CheckProblem::SearchPath {
NixpkgsProblem::SearchPath {
relative_package_dir: context.relative_package_dir.clone(),
subpath: subpath.to_path_buf(),
line,
@ -149,7 +150,7 @@ fn check_nix_file(context: &PackageContext, subpath: &Path) -> CheckResult<()> {
// No need to handle the case of it being inside the directory, since we scan through the
// entire directory recursively anyways
if let Err(_prefix_error) = target.strip_prefix(context.absolute_package_dir) {
CheckProblem::OutsidePathReference {
NixpkgsProblem::OutsidePathReference {
relative_package_dir: context.relative_package_dir.clone(),
subpath: subpath.to_path_buf(),
line,
@ -160,7 +161,7 @@ fn check_nix_file(context: &PackageContext, subpath: &Path) -> CheckResult<()> {
check_result::ok(())
}
}
Err(e) => CheckProblem::UnresolvablePathReference {
Err(e) => NixpkgsProblem::UnresolvablePathReference {
relative_package_dir: context.relative_package_dir.clone(),
subpath: subpath.to_path_buf(),
line,

166
pkgs/test/nixpkgs-check-by-name/src/structure.rs
View File

@ -1,10 +1,13 @@
use crate::check_result;
use crate::check_result::{CheckProblem, CheckResult};
use crate::check_result::CheckResult;
use crate::nixpkgs_problem::NixpkgsProblem;
use crate::references;
use crate::utils;
use crate::utils::{BASE_SUBPATH, PACKAGE_NIX_FILENAME};
use itertools::concat;
use lazy_static::lazy_static;
use regex::Regex;
use std::fs::DirEntry;
use std::path::{Path, PathBuf};
lazy_static! {
@ -30,8 +33,8 @@ pub fn relative_file_for_package(package_name: &str) -> PathBuf {
relative_dir_for_package(package_name).join(PACKAGE_NIX_FILENAME)
}
/// Read the structure of a Nixpkgs directory, displaying errors on the writer.
/// May return early with I/O errors.
/// Check the structure of Nixpkgs, returning the attribute names that are defined in
/// `pkgs/by-name`
pub fn check_structure(path: &Path) -> CheckResult<Vec<String>> {
let base_dir = path.join(BASE_SUBPATH);
@ -46,7 +49,7 @@ pub fn check_structure(path: &Path) -> CheckResult<Vec<String>> {
// README.md is allowed to be a file and not checked
check_result::ok(vec![])
} else if !shard_path.is_dir() {
CheckProblem::ShardNonDir {
NixpkgsProblem::ShardNonDir {
relative_shard_path: relative_shard_path.clone(),
}
.into_result()
@ -54,7 +57,7 @@ pub fn check_structure(path: &Path) -> CheckResult<Vec<String>> {
} else {
let shard_name_valid = SHARD_NAME_REGEX.is_match(&shard_name);
let result = if !shard_name_valid {
CheckProblem::InvalidShardName {
NixpkgsProblem::InvalidShardName {
relative_shard_path: relative_shard_path.clone(),
shard_name: shard_name.clone(),
}
@ -72,7 +75,7 @@ pub fn check_structure(path: &Path) -> CheckResult<Vec<String>> {
l.file_name().to_ascii_lowercase() == r.file_name().to_ascii_lowercase()
})
.map(|(l, r)| {
CheckProblem::CaseSensitiveDuplicate {
NixpkgsProblem::CaseSensitiveDuplicate {
relative_shard_path: relative_shard_path.clone(),
first: l.file_name(),
second: r.file_name(),
@ -83,84 +86,87 @@ pub fn check_structure(path: &Path) -> CheckResult<Vec<String>> {
let result = check_result::and(result, check_result::sequence_(duplicate_results));
let package_results = entries.into_iter().map(|package_entry| {
let package_path = package_entry.path();
let package_name = package_entry.file_name().to_string_lossy().into_owned();
let relative_package_dir =
PathBuf::from(format!("{BASE_SUBPATH}/{shard_name}/{package_name}"));
if !package_path.is_dir() {
CheckProblem::PackageNonDir {
relative_package_dir: relative_package_dir.clone(),
}
.into_result()
} else {
let package_name_valid = PACKAGE_NAME_REGEX.is_match(&package_name);
let result = if !package_name_valid {
CheckProblem::InvalidPackageName {
relative_package_dir: relative_package_dir.clone(),
package_name: package_name.clone(),
}
.into_result()
} else {
check_result::ok(())
};
let correct_relative_package_dir = relative_dir_for_package(&package_name);
let result = check_result::and(
result,
if relative_package_dir != correct_relative_package_dir {
// Only show this error if we have a valid shard and package name
// Because if one of those is wrong, you should fix that first
if shard_name_valid && package_name_valid {
CheckProblem::IncorrectShard {
relative_package_dir: relative_package_dir.clone(),
correct_relative_package_dir: correct_relative_package_dir
.clone(),
}
.into_result()
} else {
check_result::ok(())
}
} else {
check_result::ok(())
},
);
let package_nix_path = package_path.join(PACKAGE_NIX_FILENAME);
let result = check_result::and(
result,
if !package_nix_path.exists() {
CheckProblem::PackageNixNonExistent {
relative_package_dir: relative_package_dir.clone(),
}
.into_result()
} else if package_nix_path.is_dir() {
CheckProblem::PackageNixDir {
relative_package_dir: relative_package_dir.clone(),
}
.into_result()
} else {
check_result::ok(())
},
);
let result = check_result::and(
result,
references::check_references(
&relative_package_dir,
&path.join(&relative_package_dir),
),
);
check_result::map(result, |_| package_name.clone())
}
check_package(path, &shard_name, shard_name_valid, package_entry)
});
check_result::and(result, check_result::sequence(package_results))
}
});
check_result::map(check_result::sequence(shard_results), |x| {
x.into_iter().flatten().collect::<Vec<_>>()
})
// Combine the package names conatained within each shard into a longer list
check_result::map(check_result::sequence(shard_results), concat)
}
fn check_package(
path: &Path,
shard_name: &str,
shard_name_valid: bool,
package_entry: DirEntry,
) -> CheckResult<String> {
let package_path = package_entry.path();
let package_name = package_entry.file_name().to_string_lossy().into_owned();
let relative_package_dir = PathBuf::from(format!("{BASE_SUBPATH}/{shard_name}/{package_name}"));
if !package_path.is_dir() {
NixpkgsProblem::PackageNonDir {
relative_package_dir: relative_package_dir.clone(),
}
.into_result()
} else {
let package_name_valid = PACKAGE_NAME_REGEX.is_match(&package_name);
let result = if !package_name_valid {
NixpkgsProblem::InvalidPackageName {
relative_package_dir: relative_package_dir.clone(),
package_name: package_name.clone(),
}
.into_result()
} else {
check_result::ok(())
};
let correct_relative_package_dir = relative_dir_for_package(&package_name);
let result = check_result::and(
result,
if relative_package_dir != correct_relative_package_dir {
// Only show this error if we have a valid shard and package name
// Because if one of those is wrong, you should fix that first
if shard_name_valid && package_name_valid {
NixpkgsProblem::IncorrectShard {
relative_package_dir: relative_package_dir.clone(),
correct_relative_package_dir: correct_relative_package_dir.clone(),
}
.into_result()
} else {
check_result::ok(())
}
} else {
check_result::ok(())
},
);
let package_nix_path = package_path.join(PACKAGE_NIX_FILENAME);
let result = check_result::and(
result,
if !package_nix_path.exists() {
NixpkgsProblem::PackageNixNonExistent {
relative_package_dir: relative_package_dir.clone(),
}
.into_result()
} else if package_nix_path.is_dir() {
NixpkgsProblem::PackageNixDir {
relative_package_dir: relative_package_dir.clone(),
}
.into_result()
} else {
check_result::ok(())
},
);
let result = check_result::and(
result,
references::check_references(&relative_package_dir, &path.join(&relative_package_dir)),
);
check_result::map(result, |_| package_name.clone())
}
}