wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-26 11:41:15 +02:00
Code Activity

StorePath improvements

Browse source
This commit is contained in:
Eelco Dolstra 2019-09-17 22:26:49 +02:00
parent cce218f950
commit 6317f0f7a0
5 changed files with 130 additions and 61 deletions
Download patch file Download diff file Expand all files Collapse all files

33
nix-rust/src/error.rs
View file

@ -1,9 +1,13 @@
use std::fmt;
#[derive(Debug)]
pub enum Error {
InvalidPath(crate::store::StorePath),
BadStorePath(std::path::PathBuf),
BadNarInfo,
BadBase32,
StorePathNameTooLong,
BadStorePathName,
IOError(std::io::Error),
HttpError(reqwest::Error),
Misc(String),
@ -22,19 +26,30 @@ impl From<reqwest::Error> for Error {
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::InvalidPath(_) => write!(f, "invalid path"),
Error::BadNarInfo => write!(f, ".narinfo file is corrupt"),
Error::BadStorePath(path) => write!(f, "path '{}' is not a store path", path.display()),
Error::BadBase32 => write!(f, "invalid base32 string"),
Error::StorePathNameTooLong => {
write!(f, "store path name is longer than 211 characters")
}
Error::BadStorePathName => write!(f, "store path name contains forbidden character"),
Error::IOError(err) => write!(f, "I/O error: {}", err),
Error::HttpError(err) => write!(f, "HTTP error: {}", err),
Error::Foreign(_) => write!(f, "<C++ exception>"), // FIXME
Error::Misc(s) => write!(f, "{}", s),
}
}
}
impl From<Error> for CppException {
fn from(err: Error) -> Self {
match err {
Error::InvalidPath(_) => unsafe { make_error("invalid path") }, // FIXME
Error::BadNarInfo => unsafe { make_error(".narinfo file is corrupt") }, // FIXME
Error::BadStorePath(path) => unsafe {
make_error(&format!("path '{}' is not a store path", path.display()))
}, // FIXME
Error::BadBase32 => unsafe { make_error("invalid base32 string") }, // FIXME
Error::IOError(err) => unsafe { make_error(&err.to_string()) },
Error::HttpError(err) => unsafe { make_error(&err.to_string()) },
Error::Foreign(ex) => ex,
Error::Misc(s) => unsafe { make_error(&s) },
_ => unsafe { make_error(&err.to_string()) },
}
}
}