Add NAR parser

1 files changed, 18 insertions, 0 deletions

diff --git a/nix-rust/src/error.rs b/nix-rust/src/error.rs
index 5717a7a47..4defc646d 100644
--- a/nix-rust/src/error.rs
+++ b/nix-rust/src/error.rs
@@ -8,6 +8,15 @@ pub enum Error {
     BadBase32,
     StorePathNameTooLong,
     BadStorePathName,
+    NarSizeFieldTooBig,
+    BadNarString,
+    BadNarPadding,
+    BadNarVersionMagic,
+    MissingNarOpenTag,
+    MissingNarCloseTag,
+    MissingNarField,
+    BadNarField(String),
+    BadExecutableField,
     IOError(std::io::Error),
     HttpError(reqwest::Error),
     Misc(String),
@@ -37,6 +46,15 @@ impl fmt::Display for Error {
                 write!(f, "store path name is longer than 211 characters")
             }
             Error::BadStorePathName => write!(f, "store path name contains forbidden character"),
+            Error::NarSizeFieldTooBig => write!(f, "size field in NAR is too big"),
+            Error::BadNarString => write!(f, "NAR string is not valid UTF-8"),
+            Error::BadNarPadding => write!(f, "NAR padding is not zero"),
+            Error::BadNarVersionMagic => write!(f, "unsupported NAR version"),
+            Error::MissingNarOpenTag => write!(f, "NAR open tag is missing"),
+            Error::MissingNarCloseTag => write!(f, "NAR close tag is missing"),
+            Error::MissingNarField => write!(f, "expected NAR field is missing"),
+            Error::BadNarField(s) => write!(f, "unrecognized NAR field '{}'", s),
+            Error::BadExecutableField => write!(f, "bad 'executable' field in NAR"),
             Error::IOError(err) => write!(f, "I/O error: {}", err),
             Error::HttpError(err) => write!(f, "HTTP error: {}", err),
             Error::Foreign(_) => write!(f, "<C++ exception>"), // FIXME