templater: fix truth testing of integer 0 taken from a list/dict
Broken at
f9c426385853. bool(python_value) shouldn't be used here since
an integer 0 has to be truthy for backward compatibility.
--- a/mercurial/templateutil.py Mon Jun 18 21:58:04 2018 +0900
+++ b/mercurial/templateutil.py Sun Jun 17 16:10:38 2018 +0900
@@ -350,7 +350,8 @@
return gen
def tobool(self, context, mapping):
- return bool(self.tovalue(context, mapping))
+ w = makewrapped(context, mapping, self._value)
+ return w.tobool(context, mapping)
def tovalue(self, context, mapping):
return _unthunk(context, mapping, self._value)
--- a/tests/test-template-functions.t Mon Jun 18 21:58:04 2018 +0900
+++ b/tests/test-template-functions.t Sun Jun 17 16:10:38 2018 +0900
@@ -932,6 +932,8 @@
rev 0 is True
$ hg log -r 0 -T '{if(0, "literal 0 is True as well")}\n'
literal 0 is True as well
+ $ hg log -r 0 -T '{if(min(revset(r"0")), "0 of hybriditem is also True")}\n'
+ 0 of hybriditem is also True
$ hg log -r 0 -T '{if("", "", "empty string is False")}\n'
empty string is False
$ hg log -r 0 -T '{if(revset(r"0 - 0"), "", "empty list is False")}\n'