Fix backward compat Python pack build (knative#2962)

matejvasek · web-flow · commit 719b2863ca49 · 2025-08-02T07:22:41.000Z
Signed-off-by: Matej Vašek &lt;mvasek@redhat.com&gt;
diff --git a/pkg/builders/buildpacks/builder.go b/pkg/builders/buildpacks/builder.go
@@ -216,7 +216,9 @@ func (b *Builder) Build(ctx context.Context, f fn.Function, platforms []fn.Platf
 		}
 
 		if f.Runtime == "python" {
-			cli = pyScaffoldInjector{cli}
+			if fi, _ := os.Lstat(filepath.Join(f.Root, "Procfile")); fi == nil {
+				cli = pyScaffoldInjector{cli}
+			}
 		}
 
 		// Client with a logger which is enabled if in Verbose mode and a dockerClient that supports SSH docker daemon connection.

Original file line number	Diff line number	Diff line change
`@@ -216,7 +216,9 @@ func (b *Builder) Build(ctx context.Context, f fn.Function, platforms []fn.Platf`
`216`	`216`	`}`
`217`	`217`
`218`	`218`	`if f.Runtime == "python" {`
`219`		`- cli = pyScaffoldInjector{cli}`
	`219`	`+ if fi, _ := os.Lstat(filepath.Join(f.Root, "Procfile")); fi == nil {`
	`220`	`+ cli = pyScaffoldInjector{cli}`
	`221`	`+ }`
`220`	`222`	`}`
`221`	`223`
`222`	`224`	`// Client with a logger which is enabled if in Verbose mode and a dockerClient that supports SSH docker daemon connection.`