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use std::path::PathBuf;
use std::process::ExitStatus;
/// Error type for `treeboot-core` operations.
#[derive(Debug, thiserror::Error)]
pub enum Error {
/// The current working directory could not be read.
#[error("failed to read current directory: {source}")]
CurrentDir {
/// Source I/O error.
#[source]
source: std::io::Error,
},
/// A filesystem path could not be normalized.
#[error("failed to normalize path {path:?}: {source}")]
NormalizePath {
/// Path that failed normalization.
path: PathBuf,
/// Source I/O error.
#[source]
source: std::io::Error,
},
/// The command was not run from a Git worktree.
#[error("not inside a Git worktree")]
NotGitWorktree,
/// A Git command could not be spawned.
#[error("failed to run {command}: {source}")]
GitIo {
/// Human-readable command label.
command: String,
/// Source I/O error.
#[source]
source: std::io::Error,
},
/// A Git command exited unsuccessfully.
#[error("{command} failed: {stderr}")]
GitFailed {
/// Human-readable command label.
command: String,
/// Standard error from Git.
stderr: String,
},
/// No root checkout path could be determined.
#[error("could not determine root checkout path")]
RootPathNotFound,
/// A specifically requested config file does not exist.
#[error("config file not found: {0:?}")]
ConfigNotFound(PathBuf),
/// A config file could not be read.
#[error("failed to read config {path:?}: {source}")]
ConfigIo {
/// Config file path.
path: PathBuf,
/// Source I/O error.
#[source]
source: std::io::Error,
},
/// A config file contains invalid TOML.
#[error("invalid config {path:?}: {message}")]
ConfigParse {
/// Config file path.
path: PathBuf,
/// Parse error message.
message: String,
},
/// A config file contains unsupported or invalid declarations.
#[error("invalid config {path:?}: {message}")]
ConfigInvalid {
/// Config file path.
path: PathBuf,
/// Validation error message.
message: String,
},
/// A treeboot boolean environment variable has an unsupported value.
#[error(
"invalid boolean environment value for {name}: {value:?} \
(expected one of 1, true, yes, on, 0, false, no, off)"
)]
InvalidBooleanEnv {
/// Environment variable name.
name: &'static str,
/// Environment variable value.
value: String,
},
/// No config was found while strict mode was enabled.
#[error("no config detected")]
NoConfigDetectedStrict,
/// The command was run from the root checkout while strict mode was enabled.
#[error("This is not a work tree")]
RootWorktreeStrict,
/// A configured command could not be spawned.
#[error("failed to run command {label}: {source}")]
CommandIo {
/// Human-readable command label.
label: String,
/// Source I/O error.
#[source]
source: std::io::Error,
},
/// A configured command exited unsuccessfully.
#[error("command {label} failed with {status}")]
CommandFailed {
/// Human-readable command label.
label: String,
/// Process exit status.
status: ExitStatus,
},
/// A file operation encountered an unsupported conflict.
#[error("{operation} file operation cannot use {path:?}: {message}")]
FileOperationConflict {
/// Operation being applied.
operation: &'static str,
/// Path involved in the conflict.
path: PathBuf,
/// Human-readable conflict detail.
message: String,
},
/// A manual file operation request is invalid.
#[error("invalid {operation} file operation: {message}")]
FileOperationInvalid {
/// Operation being planned.
operation: &'static str,
/// Human-readable validation detail.
message: String,
},
/// A file operation failed while accessing the filesystem.
#[error("{operation} file operation failed at {path:?}: {source}")]
FileOperationIo {
/// Operation being applied.
operation: &'static str,
/// Path being accessed.
path: PathBuf,
/// Source I/O error.
#[source]
source: std::io::Error,
},
/// An init script could not be spawned.
#[error("failed to run init script {path:?}: {source}")]
ScriptIo {
/// Script path.
path: PathBuf,
/// Source I/O error.
#[source]
source: std::io::Error,
},
/// An init script exited unsuccessfully.
#[error("init script {path:?} failed with {status}")]
ScriptFailed {
/// Script path.
path: PathBuf,
/// Script process status.
status: ExitStatus,
},
/// Writing output failed.
#[error("failed to write output: {source}")]
Output {
/// Source I/O error.
#[source]
source: std::io::Error,
},
/// Doctor diagnostics found fatal issues.
#[error("doctor found fatal issues")]
DoctorFailed,
/// `treeboot init` refused to replace an existing target.
#[error("init target already exists: {0:?}")]
InitTargetExists(PathBuf),
/// An init file could not be written.
#[error("failed to write init target {path:?}: {source}")]
InitIo {
/// Init target path.
path: PathBuf,
/// Source I/O error.
#[source]
source: std::io::Error,
},
}
impl Error {
/// Returns the CLI exit code associated with this error.
#[must_use]
pub const fn exit_code(&self) -> u8 {
1
}
}