pkgtools/url2pkg: refer to R2pkg for creating R packages

2 files changed, 16 insertions, 2 deletions

diff --git a/pkgtools/url2pkg/files/url2pkg.py b/pkgtools/url2pkg/files/url2pkg.py
index 6c58417b168..9de0bdbf70a 100644
--- a/pkgtools/url2pkg/files/url2pkg.py
+++ b/pkgtools/url2pkg/files/url2pkg.py
@@ -1,5 +1,5 @@
 #! @PYTHONBIN@
-# $NetBSD: url2pkg.py,v 1.17 2019/10/06 08:24:18 rillig Exp $
+# $NetBSD: url2pkg.py,v 1.18 2019/10/06 12:50:23 rillig Exp $
 
 # Copyright (c) 2019 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -290,6 +290,9 @@ class Generator:
         else:
             self.homepage = self.url[:-len(self.distfile)] + ' # TODO: check'
 
+        if varname == 'MASTER_SITE_R_CRAN':
+            sys.exit('url2pkg: to create R packages, use pkgtools/R2pkg instead')
+
     def adjust_site_SourceForge(self):
         pattern = r'''(?x)
             ^
diff --git a/pkgtools/url2pkg/files/url2pkg_test.py b/pkgtools/url2pkg/files/url2pkg_test.py
index 1d577e59cbb..3c06fe8ee37 100644
--- a/pkgtools/url2pkg/files/url2pkg_test.py
+++ b/pkgtools/url2pkg/files/url2pkg_test.py
@@ -1,4 +1,4 @@
-# $NetBSD: url2pkg_test.py,v 1.16 2019/10/06 08:24:18 rillig Exp $
+# $NetBSD: url2pkg_test.py,v 1.17 2019/10/06 12:50:23 rillig Exp $
 
 import pytest
 from url2pkg import *
@@ -533,6 +533,17 @@ def test_Generator_adjust_site_from_sites_mk__GNU():
     ]
 
 
+def test_Generator_adjust_site_from_sites_mk__R(tmp_path: Path):
+    up.pkgdir = tmp_path
+    url = 'http://cran.r-project.org/src/contrib/forecast_8.7.tar.gz'
+    generator = Generator(url)
+
+    with pytest.raises(SystemExit, match='^url2pkg: to create R packages, use pkgtools/R2pkg instead$'):
+        generator.generate_Makefile()
+
+    assert list(tmp_path.glob('*')) == []
+
+
 def test_Generator_adjust_site_other__malformed_URL():
     # This error is supposed to be handled by the URL check in main.