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comparison rust/hg-core/src/errors.rs @ 46544:f031fe1c6ede

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rhg: Abort based on config on share-safe mismatch Differential Revision: https://phab.mercurial-scm.org/D9963
author Simon Sapin <simon.sapin@octobus.net>
date Thu, 04 Feb 2021 14:29:47 +0100
parents 2845892dd489
children bc08c2331f99
comparison
equal deleted inserted replaced
46543:a6e4e4650bac 46544:f031fe1c6ede
6 IoError { 6 IoError {
7 error: std::io::Error, 7 error: std::io::Error,
8 context: IoErrorContext, 8 context: IoErrorContext,
9 }, 9 },
10 10
11 /// A file under `.hg/` normally only written by Mercurial 11 /// A file under `.hg/` normally only written by Mercurial is not in the
12 /// expected format. This indicates a bug in Mercurial, filesystem
13 /// corruption, or hardware failure.
12 /// 14 ///
13 /// The given string is a short explanation for users, not intended to be 15 /// The given string is a short explanation for users, not intended to be
14 /// machine-readable. 16 /// machine-readable.
15 CorruptedRepository(String), 17 CorruptedRepository(String),
16 18
19 /// implementation may or may not work. 21 /// implementation may or may not work.
20 /// 22 ///
21 /// The given string is a short explanation for users, not intended to be 23 /// The given string is a short explanation for users, not intended to be
22 /// machine-readable. 24 /// machine-readable.
23 UnsupportedFeature(String), 25 UnsupportedFeature(String),
26
27 /// Operation cannot proceed for some other reason.
28 ///
29 /// The given string is a short explanation for users, not intended to be
30 /// machine-readable.
31 Abort(String),
24 } 32 }
25 33
26 /// Details about where an I/O error happened 34 /// Details about where an I/O error happened
27 #[derive(Debug, derive_more::From)] 35 #[derive(Debug, derive_more::From)]
28 pub enum IoErrorContext { 36 pub enum IoErrorContext {
44 } 52 }
45 53
46 pub fn unsupported(explanation: impl Into<String>) -> Self { 54 pub fn unsupported(explanation: impl Into<String>) -> Self {
47 HgError::UnsupportedFeature(explanation.into()) 55 HgError::UnsupportedFeature(explanation.into())
48 } 56 }
57 pub fn abort(explanation: impl Into<String>) -> Self {
58 HgError::Abort(explanation.into())
59 }
49 } 60 }
50 61
51 // TODO: use `DisplayBytes` instead to show non-Unicode filenames losslessly? 62 // TODO: use `DisplayBytes` instead to show non-Unicode filenames losslessly?
52 impl fmt::Display for HgError { 63 impl fmt::Display for HgError {
53 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { 64 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
59 write!(f, "corrupted repository: {}", explanation) 70 write!(f, "corrupted repository: {}", explanation)
60 } 71 }
61 HgError::UnsupportedFeature(explanation) => { 72 HgError::UnsupportedFeature(explanation) => {
62 write!(f, "unsupported feature: {}", explanation) 73 write!(f, "unsupported feature: {}", explanation)
63 } 74 }
75 HgError::Abort(explanation) => explanation.fmt(f),
64 } 76 }
65 } 77 }
66 } 78 }
67 79
68 // TODO: use `DisplayBytes` instead to show non-Unicode filenames losslessly? 80 // TODO: use `DisplayBytes` instead to show non-Unicode filenames losslessly?