From c59c376b2623330a70ab692844ca00eb58f67576 Mon Sep 17 00:00:00 2001 From: Martin Pitt Date: Thu, 19 Feb 2015 11:06:24 +0100 Subject: [PATCH] sysv-generator: fix wrong "Overwriting existing symlink" warnings Fix result testing of is_symlink() to ignore negative results, which happen if the file name does not exist at all. In this case we do not want a warning and unlink the non-existing link. https://bugs.debian.org/778700 (cherry picked from commit 4e5589836c9e143796c3f3d81e67ab7a9209e2b0) Apparently this was missed for some reason and did not end up in stable previously. Cherry-picked from: 4e55898 Resolves: #1222517 --- src/sysv-generator/sysv-generator.c | 2 +- test/sysv-generator-test.py | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/src/sysv-generator/sysv-generator.c b/src/sysv-generator/sysv-generator.c index cfc4a99..3c6cb8f 100644 --- a/src/sysv-generator/sysv-generator.c +++ b/src/sysv-generator/sysv-generator.c @@ -166,7 +166,7 @@ static int generate_unit_file(SysvStub *s) { /* We might already have a symlink with the same name from a Provides:, * or from backup files like /etc/init.d/foo.bak. Real scripts always win, * so remove an existing link */ - if (is_symlink(unit)) { + if (is_symlink(unit) > 0) { log_warning("Overwriting existing symlink %s with real service", unit); (void) unlink(unit); } diff --git a/test/sysv-generator-test.py b/test/sysv-generator-test.py index 509899e..e716d70 100644 --- a/test/sysv-generator-test.py +++ b/test/sysv-generator-test.py @@ -178,6 +178,8 @@ class SysvGeneratorTest(unittest.TestCase): self.assertEqual(s.get('Service', 'ExecStop'), '%s stop' % init_script) + self.assertNotIn('Overwriting', err) + def test_simple_enabled_all(self): '''simple service without dependencies, enabled in all runlevels''' @@ -185,6 +187,7 @@ class SysvGeneratorTest(unittest.TestCase): err, results = self.run_generator() self.assertEqual(list(results), ['foo.service']) self.assert_enabled('foo.service', [2, 3, 4, 5]) + self.assertNotIn('Overwriting', err) def test_simple_enabled_some(self): '''simple service without dependencies, enabled in some runlevels''' @@ -270,6 +273,7 @@ class SysvGeneratorTest(unittest.TestCase): for f in ['bar.service', 'baz.service']: self.assertEqual(os.readlink(os.path.join(self.out_dir, f)), 'foo.service') + self.assertNotIn('Overwriting', err) def test_same_provides_in_multiple_scripts(self): '''multiple init.d scripts provide the same name''' @@ -289,6 +293,9 @@ class SysvGeneratorTest(unittest.TestCase): self.add_sysv('bar', {'Provides': 'bar'}, enable=True) err, results = self.run_generator() self.assertEqual(sorted(results), ['bar.service', 'foo.service']) + # we do expect an overwrite here, bar.service should overwrite the + # alias link from foo.service + self.assertIn('Overwriting', err) def test_nonexecutable_script(self): '''ignores non-executable init.d script'''