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Auto merge of #11113 - rdimartino:maybeworkspace-deserialize, r=epage
Improve errors for TOML fields that support workspace inheritance
Fixes #10997
This also addresses the issue with `MaybeWorkspace<VecStringOrBool>` mentioned in #10942:
```
Caused by:
invalid type: string "foo", expected a boolean or vector of strings for key `package.publish`
```
I removed the `maybe_workspace_vec_string` deserializer in 7a50c0c718
because the error message from the inner `Vec<String>` is now surfaced, but I can revert that if it's preferable to keep those changes.
I tried to base the `deserialize` implementation off of the derived impl for an untagged enum from `cargo expand`. This approach [ultimately led me](https://github.com/serde-rs/serde/blob/v1.0.144/serde/src/private/de.rs#L218) to adding the `serde-value` dependency.
This commit is contained in:
commit
9230e4839d
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@ -52,6 +52,7 @@ semver = { version = "1.0.3", features = ["serde"] }
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serde = { version = "1.0.123", features = ["derive"] }
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serde_ignored = "0.1.0"
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serde_json = { version = "1.0.30", features = ["raw_value"] }
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serde-value = "0.7.0"
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shell-escape = "0.1.4"
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strip-ansi-escapes = "0.1.0"
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tar = { version = "0.4.38", default-features = false }
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@ -1007,13 +1007,30 @@ where
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/// Enum that allows for the parsing of `field.workspace = true` in a Cargo.toml
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///
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/// It allows for things to be inherited from a workspace or defined as needed
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#[derive(Deserialize, Serialize, Clone, Debug)]
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#[derive(Serialize, Clone, Debug)]
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#[serde(untagged)]
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pub enum MaybeWorkspace<T> {
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Workspace(TomlWorkspaceField),
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Defined(T),
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}
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impl<'de, T: Deserialize<'de>> de::Deserialize<'de> for MaybeWorkspace<T> {
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fn deserialize<D>(deserializer: D) -> Result<MaybeWorkspace<T>, D::Error>
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where
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D: de::Deserializer<'de>,
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{
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let value = serde_value::Value::deserialize(deserializer)?;
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if let Ok(workspace) = TomlWorkspaceField::deserialize(serde_value::ValueDeserializer::<
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D::Error,
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>::new(value.clone()))
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{
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return Ok(MaybeWorkspace::Workspace(workspace));
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}
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T::deserialize(serde_value::ValueDeserializer::<D::Error>::new(value))
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.map(MaybeWorkspace::Defined)
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}
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}
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impl<T> MaybeWorkspace<T> {
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fn resolve<'a>(
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self,
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@ -1041,43 +1058,6 @@ impl<T> MaybeWorkspace<T> {
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}
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}
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fn maybe_workspace_vec_string<'de, D>(
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deserializer: D,
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) -> Result<Option<MaybeWorkspace<Vec<String>>>, D::Error>
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where
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D: de::Deserializer<'de>,
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{
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struct Visitor;
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impl<'de> de::Visitor<'de> for Visitor {
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type Value = Option<MaybeWorkspace<Vec<String>>>;
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fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
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formatter.write_str("vector of strings")
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}
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fn visit_seq<V>(self, v: V) -> Result<Self::Value, V::Error>
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where
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V: de::SeqAccess<'de>,
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{
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let seq = de::value::SeqAccessDeserializer::new(v);
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let defined = Vec::<String>::deserialize(seq).map(MaybeWorkspace::Defined)?;
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Ok(Some(defined))
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}
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fn visit_map<V>(self, map: V) -> Result<Self::Value, V::Error>
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where
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V: de::MapAccess<'de>,
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{
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let mvd = de::value::MapAccessDeserializer::new(map);
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let workspace = TomlWorkspaceField::deserialize(mvd).map(MaybeWorkspace::Workspace)?;
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Ok(Some(workspace))
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}
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}
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deserializer.deserialize_any(Visitor)
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}
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#[derive(Deserialize, Serialize, Clone, Debug)]
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pub struct TomlWorkspaceField {
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workspace: bool,
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@ -1097,8 +1077,6 @@ pub struct TomlProject {
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name: InternedString,
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#[serde(deserialize_with = "version_trim_whitespace")]
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version: MaybeWorkspace<semver::Version>,
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#[serde(default)]
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#[serde(deserialize_with = "maybe_workspace_vec_string")]
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authors: Option<MaybeWorkspace<Vec<String>>>,
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build: Option<StringOrBool>,
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metabuild: Option<StringOrVec>,
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@ -1107,11 +1085,7 @@ pub struct TomlProject {
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#[serde(rename = "forced-target")]
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forced_target: Option<String>,
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links: Option<String>,
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#[serde(default)]
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#[serde(deserialize_with = "maybe_workspace_vec_string")]
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exclude: Option<MaybeWorkspace<Vec<String>>>,
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#[serde(default)]
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#[serde(deserialize_with = "maybe_workspace_vec_string")]
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include: Option<MaybeWorkspace<Vec<String>>>,
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publish: Option<MaybeWorkspace<VecStringOrBool>>,
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workspace: Option<String>,
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@ -1127,11 +1101,7 @@ pub struct TomlProject {
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homepage: Option<MaybeWorkspace<String>>,
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documentation: Option<MaybeWorkspace<String>>,
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readme: Option<MaybeWorkspace<StringOrBool>>,
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#[serde(default)]
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#[serde(deserialize_with = "maybe_workspace_vec_string")]
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keywords: Option<MaybeWorkspace<Vec<String>>>,
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#[serde(default)]
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#[serde(deserialize_with = "maybe_workspace_vec_string")]
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categories: Option<MaybeWorkspace<Vec<String>>>,
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license: Option<MaybeWorkspace<String>>,
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license_file: Option<MaybeWorkspace<String>>,
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@ -1725,7 +1725,55 @@ fn cargo_metadata_with_invalid_authors_field() {
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r#"[ERROR] failed to parse manifest at `[..]`
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Caused by:
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invalid type: string "", expected vector of strings for key `package.authors`"#,
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invalid type: string "", expected a sequence for key `package.authors`"#,
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)
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.run();
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}
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#[cargo_test]
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fn cargo_metadata_with_invalid_version_field() {
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let p = project()
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.file("src/foo.rs", "")
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.file(
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"Cargo.toml",
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r#"
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[package]
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version = 1
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"#,
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)
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.build();
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p.cargo("metadata")
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.with_status(101)
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.with_stderr(
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r#"[ERROR] failed to parse manifest at `[..]`
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Caused by:
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invalid type: integer `1`, expected SemVer version for key `package.version`"#,
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)
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.run();
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}
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#[cargo_test]
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fn cargo_metadata_with_invalid_publish_field() {
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let p = project()
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.file("src/foo.rs", "")
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.file(
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"Cargo.toml",
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r#"
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[package]
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publish = "foo"
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"#,
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)
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.build();
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p.cargo("metadata")
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.with_status(101)
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.with_stderr(
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r#"[ERROR] failed to parse manifest at `[..]`
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Caused by:
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invalid type: string "foo", expected a boolean or vector of strings for key `package.publish`"#,
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)
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.run();
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}
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