uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/backup/duplicity/use-installed-scripts-in-test.patch

@@ -0,0 +1,63 @@
+commit ccd4dd92cd37acce1da20966ad9e4e0c7bcf1709
+Author: Guillaume Girol <symphorien+git@xlumurb.eu>
+Date:   Sun Jul 11 12:00:00 2021 +0000
+
+    use installed duplicity when running tests
+
+diff --git a/setup.py b/setup.py
+index fa474f20..604a242a 100755
+--- a/setup.py
++++ b/setup.py
+@@ -205,10 +205,6 @@ class TestCommand(test):
+                 except Exception:
+                     pass
+ 
+-        os.environ[u'PATH'] = u"%s:%s" % (
+-            os.path.abspath(build_scripts_cmd.build_dir),
+-            os.environ.get(u'PATH'))
+-
+         test.run(self)
+ 
+ 
+diff --git a/testing/functional/__init__.py b/testing/functional/__init__.py
+index 4221576d..3cf44945 100644
+--- a/testing/functional/__init__.py
++++ b/testing/functional/__init__.py
+@@ -111,7 +111,7 @@ class FunctionalTestCase(DuplicityTestCase):
+         run_coverage = os.environ.get(u'RUN_COVERAGE', None)
+         if run_coverage is not None:
+             cmd_list.extend([u"-m", u"coverage", u"run", u"--source=duplicity", u"-p"])
+-        cmd_list.extend([u"{0}/bin/duplicity".format(_top_dir)])
++        cmd_list.extend([u"duplicity"])
+         cmd_list.extend(options)
+         cmd_list.extend([u"-v0"])
+         cmd_list.extend([u"--no-print-statistics"])
+diff --git a/testing/functional/test_log.py b/testing/functional/test_log.py
+index 9dfc86a6..b9cb55db 100644
+--- a/testing/functional/test_log.py
++++ b/testing/functional/test_log.py
+@@ -49,9 +49,9 @@ class LogTest(FunctionalTestCase):
+         # Run actual duplicity command (will fail, because no arguments passed)
+         basepython = os.environ.get(u'TOXPYTHON', None)
+         if basepython is not None:
+-            os.system(u"{0} {1}/bin/duplicity --log-file={2} >/dev/null 2>&1".format(basepython, _top_dir, self.logfile))
++            os.system(u"{0} duplicity --log-file={1} >/dev/null 2>&1".format(basepython, self.logfile))
+         else:
+-            os.system(u"{0}/bin/duplicity --log-file={1} >/dev/null 2>&1".format(_top_dir, self.logfile))
++            os.system(u"duplicity --log-file={0} >/dev/null 2>&1".format(self.logfile))
+ 
+         # The format of the file should be:
+         # """ERROR 2
+diff --git a/testing/functional/test_rdiffdir.py b/testing/functional/test_rdiffdir.py
+index 0cbfdb33..47acd029 100644
+--- a/testing/functional/test_rdiffdir.py
++++ b/testing/functional/test_rdiffdir.py
+@@ -44,7 +44,7 @@ class RdiffdirTest(FunctionalTestCase):
+         basepython = os.environ.get(u'TOXPYTHON', None)
+         if basepython is not None:
+             cmd_list.extend([basepython])
+-        cmd_list.extend([u"{0}/bin/rdiffdir".format(_top_dir)])
++        cmd_list.extend([u"rdiffdir"])
+         cmd_list.extend(argstring.split())
+         cmdline = u" ".join([u'"%s"' % x for x in cmd_list])
+         self.run_cmd(cmdline)