show path to project when YAML validation fails

Author: cscheid

news/changelog-1.6.md

@@ -78,6 +78,7 @@ All changes included in 1.6:
 
 ## Projects
 
+- ([#10125](https://github.com/quarto-dev/quarto-cli/issues/10125)): Show path to the project when project YAML validation fails.
 - ([#10268](https://github.com/quarto-dev/quarto-cli/issues/10268)): `quarto create` supports opening project in Positron, in addition to VS Code and RStudio IDE.
 - ([#10285](https://github.com/quarto-dev/quarto-cli/issues/10285)): Include text from before the first chapter sections in search indices. In addition, include text of every element with `.quarto-include-in-search-index` class in search indices.
 - ([#10566](https://github.com/quarto-dev/quarto-cli/issues/10566)): Ensure that `quarto run` outputs `stdout` and `stderr` to the correct streams.

src/project/project-context.ts

@@ -496,7 +496,7 @@ function quartoYamlProjectConfigResolver(
     if (configFile) {
       // read config file
       const files = [configFile];
-      const errMsg = "Project _quarto.yml validation failed.";
+      const errMsg = `Project ${configFile} validation failed.`;
       let config = (await readAndValidateYamlFromFile(
         configFile,
         configSchema,