mercurial-scm/hg: mercurial/fileset.py comparison

fileset: add encoding() predicate

comparison

equal deleted inserted replaced

-:281102f37b24
+:87b9d6a7d807
 else:
 raise error.ParseError(_("couldn't parse size"), expr)
 return [f for f in mctx.subset if m(mctx.ctx[f].size())]
+def encoding(mctx, x):
+"""``encoding(name)``
+File can be successfully decoded with the given character
+encoding. May not be useful for encodings other than ASCII and
+UTF-8.
+"""
+enc = getstring(x, _("encoding requires an encoding name"))
+s = []
+for f in mctx.subset:
+d = mctx.ctx[f].data()
+try:
+d.decode(enc)
+except LookupError:
+raise util.Abort(_("unknown encoding '%s'") % enc)
+except UnicodeDecodeError:
+continue
+s.append(f)
+return s
 symbols = {
 'added': added,
 'binary': binary,
 'clean': clean,
 'deleted': deleted,
+'encoding': encoding,
 'exec': exec_,
 'grep': grep,
 'ignored': ignored,
 'hgignore': hgignore,
 'modified': modified,

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