Implement normalization of manifests for publishing

scarb/src/core/manifest/mod.rs

@@ -10,6 +10,7 @@ use toml::Value;
 
 pub use compiler_config::*;
 pub use dependency::*;
+pub use maybe_workspace::*;
 pub use scripts::*;
 pub use summary::*;
 pub use target::*;

scarb/src/core/manifest/toml_manifest.rs

@@ -210,6 +210,18 @@ impl<'de> Deserialize<'de> for PathOrBool {
     }
 }
 
+impl From<Utf8PathBuf> for PathOrBool {
+    fn from(p: Utf8PathBuf) -> Self {
+        Self::Path(p)
+    }
+}
+
+impl From<bool> for PathOrBool {
+    fn from(b: bool) -> Self {
+        Self::Bool(b)
+    }
+}
+
 #[derive(Debug, Default, Clone, Deserialize, Serialize)]
 pub struct TomlWorkspaceDependency {
     pub workspace: bool,

scarb/src/core/mod.rs

@@ -15,6 +15,7 @@ mod dirs;
 pub mod errors;
 pub(crate) mod manifest;
 pub(crate) mod package;
+pub(crate) mod publishing;
 pub(crate) mod registry;
 pub(crate) mod resolver;
 pub(crate) mod source;

scarb/src/core/publishing/manifest_normalization.rs

@@ -0,0 +1,146 @@
+use std::collections::BTreeMap;
+
+use anyhow::{bail, Result};
+use camino::{Utf8Path, Utf8PathBuf};
+use indoc::formatdoc;
+
+use crate::core::{
+    DepKind, DependencyVersionReq, DetailedTomlDependency, ManifestDependency, MaybeWorkspace,
+    Package, PackageName, TomlDependency, TomlManifest, TomlPackage, TomlWorkspaceDependency,
+    TomlWorkspaceField,
+};
+
+pub fn prepare_manifest_for_publish(pkg: &Package) -> Result<TomlManifest> {
+    let package = Some(generate_package(pkg));
+
+    let dependencies = Some(generate_dependencies(
+        // NOTE: We deliberately do not ask for `full_dependencies` here, because
+        // we do not want to emit requirements for built-in packages like `core`.
+        &pkg.manifest.summary.dependencies,
+        DepKind::Normal,
+    )?);
+
+    let tool = pkg.manifest.metadata.tool_metadata.clone().map(|m| {
+        m.into_iter()
+            .map(|(k, v)| (k, MaybeWorkspace::Defined(v)))
+            .collect()
+    });
+
+    Ok(TomlManifest {
+        package,
+        workspace: None,
+        dependencies,
+        lib: None,
+        // TODO(mkaput): Allow packaging Cairo plugins.
+        cairo_plugin: None,
+        test: None,
+        target: None,
+        cairo: None,
+        profile: None,
+        scripts: None,
+        tool,
+    })
+}
+
+fn generate_package(pkg: &Package) -> Box<TomlPackage> {
+    let summary = &pkg.manifest.summary;
+    let metadata = &pkg.manifest.metadata;
+    Box::new(TomlPackage {
+        name: summary.package_id.name.clone(),
+        version: MaybeWorkspace::Defined(summary.package_id.version.clone()),
+        authors: metadata.authors.clone().map(MaybeWorkspace::Defined),
+        urls: metadata.urls.clone(),
+        description: metadata.description.clone().map(MaybeWorkspace::Defined),
+        documentation: metadata.documentation.clone().map(MaybeWorkspace::Defined),
+        homepage: metadata.homepage.clone().map(MaybeWorkspace::Defined),
+        keywords: metadata.keywords.clone().map(MaybeWorkspace::Defined),
+        license: metadata.license.clone().map(MaybeWorkspace::Defined),
+        // TODO(mkaput): Normalize this the same way as readme is.
+        license_file: metadata.license_file.clone().map(MaybeWorkspace::Defined),
+        readme: metadata
+            .readme
+            .as_ref()
+            .map(|p| map_metadata_file_path(p, pkg)),
+        repository: metadata.repository.clone().map(MaybeWorkspace::Defined),
+        no_core: summary.no_core.then_some(true),
+        cairo_version: metadata.cairo_version.clone().map(MaybeWorkspace::Defined),
+    })
+}
+
+fn generate_dependencies(
+    deps: &[ManifestDependency],
+    kind: DepKind,
+) -> Result<BTreeMap<PackageName, MaybeWorkspace<TomlDependency, TomlWorkspaceDependency>>> {
+    deps.iter()
+        .filter(|dep| dep.kind == kind)
+        .map(|dep| {
+            let name = dep.name.clone();
+            let toml_dep = generate_dependency(dep)?;
+            Ok((name, MaybeWorkspace::Defined(toml_dep)))
+        })
+        .collect()
+}
+
+fn generate_dependency(dep: &ManifestDependency) -> Result<TomlDependency> {
+    assert!(
+        !dep.source_id.is_std(),
+        "Built-in dependencies should not be included in published manifests."
+    );
+
+    let version = Some(match &dep.version_req {
+        DependencyVersionReq::Req(req) => req.clone(),
+
+        // Ignore what is in the lock file.
+        DependencyVersionReq::Locked { req, .. } => req.clone(),
+
+        // This case is triggered by dependencies like this:
+        //
+        // [dependencies]
+        // foo = { path = "../foo" }
+        DependencyVersionReq::Any => {
+            bail!(formatdoc! {
+                r#"
+                    dependency `{name}` does not specify a version requirement
+                    note: all dependencies must have a version specified when packaging
+                    note: the `{kind}` specification will be removed from dependency declaration 
+                "#,
+                name = dep.name,
+                kind = dep.source_id.kind.primary_field(),
+            })
+        }
+    });
+
+    Ok(TomlDependency::Detailed(DetailedTomlDependency {
+        version,
+        path: None,
+        git: None,
+        branch: None,
+        tag: None,
+        rev: None,
+    }))
+}
+
+fn map_metadata_file_path<T>(
+    path: &Utf8Path,
+    pkg: &Package,
+) -> MaybeWorkspace<T, TomlWorkspaceField>
+where
+    T: From<Utf8PathBuf>,
+{
+    assert!(
+        path.is_absolute(),
+        "Manifest parser is expected to canonicalize paths for README/LICENSE files."
+    );
+
+    let path = if let Ok(relative_path) = path.strip_prefix(pkg.root()) {
+        relative_path.to_owned()
+    } else {
+        // This path points outside the package root. `scarb package` will copy it
+        // into the root, so we have to adjust the path to this location.
+        path.file_name()
+            .expect("README/LICENSE path must have a file name.")
+            .into()
+    };
+
+    MaybeWorkspace::Defined(T::from(path))
+}

scarb/src/core/publishing/mod.rs

@@ -0,0 +1 @@
+pub mod manifest_normalization;

scarb/src/core/source/id.rs

@@ -192,6 +192,10 @@ impl SourceId {
         }
     }
 
+    pub fn is_std(self) -> bool {
+        self.kind == SourceKind::Std
+    }
+
     pub fn to_pretty_url(self) -> String {
         match &self.kind {
             SourceKind::Path => format!("{PATH_SOURCE_PROTOCOL}+{}", self.url),
@@ -358,6 +362,17 @@ impl<'de> Deserialize<'de> for SourceId {
     }
 }
 
+impl SourceKind {
+    pub fn primary_field(&self) -> &str {
+        match self {
+            SourceKind::Path => "path",
+            SourceKind::Git(_) => "git",
+            SourceKind::Registry => "registry",
+            SourceKind::Std => "std",
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use test_case::test_case;

scarb/src/ops/package.rs

@@ -1,13 +1,15 @@
 use std::collections::BTreeMap;
 use std::fs::File;
-use std::io::{Seek, SeekFrom};
+use std::io::{Seek, SeekFrom, Write};
 
 use anyhow::{ensure, Context, Result};
 use camino::Utf8PathBuf;
+use indoc::writedoc;
 
 use scarb_ui::components::Status;
 use scarb_ui::{HumanBytes, HumanCount};
 
+use crate::core::publishing::manifest_normalization::prepare_manifest_for_publish;
 use crate::core::{Package, PackageId, PackageName, Workspace};
 use crate::flock::FileLockGuard;
 use crate::internal::fsx;
@@ -30,7 +32,6 @@ type ArchiveRecipe = Vec<ArchiveFile>;
 struct ArchiveFile {
     /// The relative path in the archive (not including top-level package name directory).
     path: Utf8PathBuf,
-    #[allow(dead_code)]
     /// The contents of the file.
     contents: ArchiveFileContents,
 }
@@ -213,9 +214,34 @@ fn check_no_reserved_files(recipe: &ArchiveRecipe) -> Result<()> {
     Ok(())
 }
 
-fn normalize_manifest(_pkg: Package) -> Result<Vec<u8>> {
-    // TODO(mkaput): Implement this properly.
-    Ok("[package]".to_string().into_bytes())
+fn normalize_manifest(pkg: Package) -> Result<Vec<u8>> {
+    let mut buf = Vec::new();
+
+    writedoc!(
+        &mut buf,
+        r##"
+        # Code generated by scarb package -p {package_name}; DO NOT EDIT.
+        #
+        # When uploading packages to the registry Scarb will automatically
+        # "normalize" {toml} files for maximal compatibility
+        # with all versions of Scarb and also rewrite `path` dependencies
+        # to registry dependencies.
+        #
+        # If you are reading this file be aware that the original {toml}
+        # will likely look very different (and much more reasonable).
+        # See {orig} for the original contents.
+        "##,
+        package_name = pkg.id.name,
+        toml = MANIFEST_FILE_NAME,
+        orig = ORIGINAL_MANIFEST_FILE_NAME,
+    )?;
+    writeln!(&mut buf)?;
+
+    let manifest = prepare_manifest_for_publish(&pkg)?;
+    let toml = toml::to_string_pretty(&manifest)?;
+    writeln!(&mut buf, "{toml}")?;
+
+    Ok(buf)
 }
 
 /// Compress and package the recipe, and write it into the given file.

scarb/tests/git_source.rs

@@ -190,10 +190,10 @@ fn fetch_with_short_ssh_git() {
             error: failed to parse manifest at: [..]
 
             Caused by:
-                TOML parse error at line 2, column 24
+                TOML parse error at line 6, column 7
                   |
-                2 | dependencies = { dep = { git = "[email protected]:a/dep" } }
-                  |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+                6 | dep = { git = "[email protected]:a/dep" }
+                  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                 data did not match any variant of untagged enum TomlDependency
         "#});
 }