I want to get all of this working

crates/typst-kit/src/package.rs

@@ -185,7 +185,7 @@ impl PackageStorage {
                 if let Ok(version) = self.determine_latest_version(&spec.versionless()) {
                     return Err(PackageError::VersionNotFound(spec.clone(), version));
                 } else {
-                    return Err(PackageError::NotFound(spec.clone()));
+                    return Err(PackageError::NotFound(spec.clone(), Some(eco_format!("attempted to download"))));
                 }
             }
             Err(err) => {

crates/typst-library/src/diag.rs

@@ -523,7 +523,9 @@ pub type PackageResult<T> = Result<T, PackageError>;
 #[derive(Debug, Clone, Eq, PartialEq, Hash)]
 pub enum PackageError {
     /// The specified package does not exist.
-    NotFound(PackageSpec),
+    /// Optionally provides information on where we tried to find the package,
+    /// defaults to simply "searched for" if absent.
+    NotFound(PackageSpec, Option<EcoString>),
     /// The specified package found, but the version does not exist.
     VersionNotFound(PackageSpec, PackageVersion),
     /// Failed to retrieve the package through the network.
@@ -539,9 +541,12 @@ impl std::error::Error for PackageError {}
 impl Display for PackageError {
     fn fmt(&self, f: &mut Formatter) -> fmt::Result {
         match self {
-            Self::NotFound(spec) => {
+            Self::NotFound(spec, None) => {
                 write!(f, "package not found (searched for {spec})",)
             }
+            Self::NotFound(spec, Some(attempted)) => {
+                write!(f, "package not found ({attempted} {spec})",)
+            }
             Self::VersionNotFound(spec, latest) => {
                 write!(
                     f,

pending/import1.typ

@@ -0,0 +1 @@
+#import "@local/mypkg:0.0.1"

pending/import2.typ

@@ -0,0 +1 @@
+#import "@nope/mypkg:0.0.1"

pending/import3.typ

@@ -0,0 +1 @@
+#import "@local/penpo:5.0.0"

pending/import4.typ

@@ -0,0 +1 @@
+#import "@local/noperm:0.0.1"

pending/import5.typ

@@ -0,0 +1 @@
+#import "@preview/nope:0.0.1"

pending/runall.sh

@@ -0,0 +1,5 @@
+#! /usr/bin/env bash
+
+for file in $(ls pending/*.typ); do
+  cargo run -- compile $file
+done

tests/suite/scripting/import.typ

@@ -483,3 +483,16 @@ This is never reached.
 --- import-from-file-package-lookalike ---
 // Error: 9-28 file not found (searched at tests/suite/scripting/#test/mypkg:1.0.0)
 #import "#test/mypkg:1.0.0": *
+
+--- import-from-package-namespace-not-found ---
+// Error: todo
+#import "@missingdir/test:0.0.0": *
+
+--- import-from-package-not-found ---
+// Error: todo
+#import "@test/missingpkg:0.0.0": *
+
+--- import-from-package-version-not-found ---
+// Error: todo
+#import "@test/mypkg:5.0.0": *
+