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bitbake: ast/ConfHandler: Add a syntax to clear variable

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unset VAR
will clear variable VAR
unset VAR[flag]
will clear flag "flag" from var VAR

(Bitbake rev: bedbd46ece8d1285b5cd2ea07dc64b4875b479aa)

Signed-off-by: Jérémy Rosen <jeremy.rosen@openwide.fr>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Jérémy Rosen
2016-08-16 14:04:47 +02:00
committed by Richard Purdie
parent b50b14e372
commit 0eb6d709b6
4 changed files with 79 additions and 0 deletions
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bitbake/lib/bb/tests/parse.py
+17
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@@ -68,6 +68,23 @@ C = "3"
with self.assertRaises(bb.parse.ParseError):
d = bb.parse.handle(f.name, self.d)['']
unsettest = """
A = "1"
B = "2"
B[flag] = "3"
unset A
unset B[flag]
"""
def test_parse_unset(self):
f = self.parsehelper(self.unsettest)
d = bb.parse.handle(f.name, self.d)['']
self.assertEqual(d.getVar("A", True), None)
self.assertEqual(d.getVarFlag("A","flag", True), None)
self.assertEqual(d.getVar("B", True), "2")
overridetest = """
RRECOMMENDS_${PN} = "a"
RRECOMMENDS_${PN}_libc = "b"