Make manifest.py's error message more helpful

r-barnes · meta-codesync[bot] · commit 91699cece2b7 · 2026-01-12T11:09:37.000-08:00
Reviewed By: dtolnay, ahornby

Differential Revision: D90401236

fbshipit-source-id: 61586f2170994a0413c7b3db8cbdfbc8c8798b1e
diff --git a/build/fbcode_builder/getdeps/manifest.py b/build/fbcode_builder/getdeps/manifest.py
@@ -491,8 +491,7 @@ def _create_fetcher(self, build_options, ctx):
                 )
 
         raise KeyError(
-            "project %s has no fetcher configuration or system packages matching %s"
-            % (self.name, ctx)
+            f"project {self.name} has no fetcher configuration or system packages matching {ctx} - have you run `getdeps.py install-system-deps --recursive`?"
         )
 
     def create_fetcher(self, build_options, loader, ctx):

Original file line number	Diff line number	Diff line change
`@@ -491,8 +491,7 @@ def _create_fetcher(self, build_options, ctx):`
`491`	`491`	`)`
`492`	`492`
`493`	`493`	`raise KeyError(`
`494`		`- "project %s has no fetcher configuration or system packages matching %s"`
`495`		`- % (self.name, ctx)`
	`494`	+ f"project {self.name} has no fetcher configuration or system packages matching {ctx} - have you run `getdeps.py install-system-deps --recursive`?"
`496`	`495`	`)`
`497`	`496`
`498`	`497`	`def create_fetcher(self, build_options, loader, ctx):`