cadvm_core/
error.rs

1//! Error type shared across `cadvm-core`.
2
3use std::path::PathBuf;
4
5use cadvm_store::StoreError;
6
7/// Errors produced by repository operations.
8#[derive(Debug, thiserror::Error)]
9pub enum CoreError {
10    #[error("not a cadvm repository (no .cadvm directory found in `{0}` or any parent)")]
11    NotARepository(PathBuf),
12
13    #[error("a cadvm repository already exists at `{0}`")]
14    AlreadyInitialized(PathBuf),
15
16    #[error("the current branch `{0}` has no commits yet")]
17    EmptyBranch(String),
18
19    #[error("HEAD has no parent commit")]
20    NoParent,
21
22    #[error("could not resolve revision `{0}`")]
23    UnknownRevision(String),
24
25    #[error("ambiguous short hash `{prefix}` matches {count} commits")]
26    AmbiguousRevision { prefix: String, count: usize },
27
28    #[error("branch `{0}` already exists")]
29    BranchExists(String),
30
31    #[error("branch `{0}` does not exist")]
32    NoSuchBranch(String),
33
34    #[error("invalid branch name `{0}`")]
35    InvalidBranchName(String),
36
37    #[error("cannot delete the currently checked-out branch `{0}`")]
38    CannotDeleteCurrentBranch(String),
39
40    #[error("path `{path}` does not exist in revision `{rev}`")]
41    PathNotInRevision { path: PathBuf, rev: String },
42
43    #[error("cannot {action}: working tree has uncommitted changes (use --force to override)")]
44    DirtyWorkingTree { action: String },
45
46    #[error(
47        "refusing to overwrite locally modified file `{0}` (use --force to discard local changes)"
48    )]
49    WouldOverwriteDirtyFile(PathBuf),
50
51    #[error("only reverting HEAD is supported (requested `{0}`)")]
52    RevertNonHead(String),
53
54    #[error(
55        "geometry helper `{0}` not found — build it (see cpp/build.sh) and set CADVM_GEOM_BIN"
56    )]
57    GeomBinaryNotFound(PathBuf),
58
59    #[error("geometry helper failed: {0}")]
60    GeomFailed(String),
61
62    #[error("i/o error at `{path}`: {source}")]
63    Io {
64        path: PathBuf,
65        #[source]
66        source: std::io::Error,
67    },
68
69    #[error(transparent)]
70    Store(#[from] StoreError),
71
72    #[error(transparent)]
73    Json(#[from] serde_json::Error),
74}
75
76impl CoreError {
77    pub(crate) fn io(path: impl Into<PathBuf>, source: std::io::Error) -> Self {
78        CoreError::Io {
79            path: path.into(),
80            source,
81        }
82    }
83}
84
85/// Convenient result alias.
86pub type Result<T> = std::result::Result<T, CoreError>;
cadvm_core/error.rs

cadvm_core/
error.rs
