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|
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,
),
}
}
}
|