Buge #241100 - Make EbuildFetcher use a pty when appropriate, so that fetcher

progress bars, like wget has, will work properly.

svn path=/main/trunk/; revision=11680

1 files changed, 12 insertions, 0 deletions

diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index 7e29d9eea..a392c2d71 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -2279,6 +2279,18 @@ class EbuildFetcher(SpawnProcess):
 		self.env = fetch_env
 		SpawnProcess._start(self)
 
+	def _pipe(self, fd_pipes):
+		"""When appropriate, use a pty so that fetcher progress bars,
+		like wget has, will work properly."""
+		if self.prefetch or self.background or not sys.stdout.isatty():
+			# When the output only goes to a log file,
+			# there's no point in creating a pty.
+			return os.pipe()
+		stdout_pipe = fd_pipes.get(1)
+		got_pty, master_fd, slave_fd = \
+			portage._create_pty_or_pipe(copy_term_size=stdout_pipe)
+		return (master_fd, slave_fd)
+
 	def _clean_builddir(self):
 		"""Uses shutil.rmtree() rather than spawning a 'clean' phase. Disabled
 		by keepwork or keeptemp in FEATURES."""