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-rw-r--r--tvix/glue/src/errors.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/tvix/glue/src/errors.rs b/tvix/glue/src/errors.rs
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index 000000000000..5cbddcbba811
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+++ b/tvix/glue/src/errors.rs
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+use nix_compat::{derivation::DerivationError, nixhash};
+use std::rc::Rc;
+use thiserror::Error;
+
+/// Errors related to derivation construction
+#[derive(Debug, Error)]
+pub enum Error {
+    #[error("an output with the name '{0}' is already defined")]
+    DuplicateOutput(String),
+    #[error("fixed-output derivations can only have the default `out`-output")]
+    ConflictingOutputTypes,
+    #[error("the environment variable '{0}' has already been set in this derivation")]
+    DuplicateEnvVar(String),
+    #[error("invalid derivation parameters: {0}")]
+    InvalidDerivation(DerivationError),
+    #[error("invalid output hash: {0}")]
+    InvalidOutputHash(nixhash::Error),
+    #[error("invalid output hash mode: '{0}', only 'recursive' and 'flat` are supported")]
+    InvalidOutputHashMode(String),
+}
+
+impl From<Error> for tvix_eval::ErrorKind {
+    fn from(err: Error) -> Self {
+        tvix_eval::ErrorKind::TvixError(Rc::new(err))
+    }
+}