pkgs/runner/
error.rs

1use std::io;
2use std::path::PathBuf;
3
4use thiserror::Error;
5
6use crate::config::ConfigError;
7
8#[derive(Debug, Error)]
9pub enum RunnerError {
10    #[error("No configuration file found in the current directory.")]
11    ConfigNotFound,
12
13    #[error(transparent)]
14    ConfigReadError(#[from] ConfigError),
15
16    #[error("'.pkgs' directory already exists but is not a directory.")]
17    PkgsDirNotADir,
18
19    #[error("Package directory '.pkgs' not found.")]
20    PkgsDirNotFound,
21
22    #[error(transparent)]
23    Io(#[from] IoError),
24
25    #[error("Fail to load {module}: {source}")]
26    LoadModuleError { source: LoadError, module: String },
27
28    #[error("Fail to unload {module}: {source}")]
29    UnloadModuleError { source: UnloadError, module: String },
30
31    #[error("No action to rollback")]
32    NoActionToRollback,
33}
34
35#[derive(Debug, Error)]
36#[error("Io error while {action}: {source}")]
37pub struct IoError {
38    pub source: io::Error,
39    pub action: String,
40}
41
42#[derive(Debug, Error)]
43pub enum LoadError {
44    #[error(transparent)]
45    Io(#[from] IoError),
46
47    #[error("package directory for '{0}' not found")]
48    PkgDirNotFound(String),
49
50    #[error("source '{0}' does not exist")]
51    SrcNotExists(String),
52
53    #[error("'{dst}' for '{src}' already exists")]
54    DstAlreadyExists { src: String, dst: PathBuf },
55
56    #[error("'{dst}' for '{src}' found in trace file but not a symlink")]
57    DstNotSymlink { src: String, dst: PathBuf },
58}
59
60#[derive(Debug, Error)]
61pub enum UnloadError {
62    #[error(transparent)]
63    Io(#[from] IoError),
64
65    #[error("'{dst}' for '{src}' does not exist")]
66    DstNotFound { src: String, dst: PathBuf },
67
68    #[error("'{dst}' for '{src}' found in trace file but not a symlink")]
69    DstNotSymlink { src: String, dst: PathBuf },
70}
71
72impl RunnerError {
73    pub fn unwrap_load(self) -> LoadError {
74        match self {
75            RunnerError::LoadModuleError { source, .. } => source,
76            _ => panic!("Called unwrap_load on a non-LoadModuleError variant"),
77        }
78    }
79
80    pub fn unwrap_unload(self) -> UnloadError {
81        match self {
82            RunnerError::UnloadModuleError { source, .. } => source,
83            _ => panic!("Called unwrap_unload on a non-UnloadModuleError variant"),
84        }
85    }
86}
pkgs/runner/error.rs

pkgs/runner/
error.rs
