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-rw-r--r--lib/spack/llnl/util/tty/log.py7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/spack/llnl/util/tty/log.py b/lib/spack/llnl/util/tty/log.py
index efcd487f23..a7a4637ba9 100644
--- a/lib/spack/llnl/util/tty/log.py
+++ b/lib/spack/llnl/util/tty/log.py
@@ -780,7 +780,12 @@ def _writer_daemon(stdin_multiprocess_fd, read_multiprocess_fd, write_fd, echo,
try:
while line_count < 100:
# Handle output from the calling process.
- line = _retry(in_pipe.readline)()
+ try:
+ line = _retry(in_pipe.readline)()
+ except UnicodeDecodeError:
+ # installs like --test=root gpgme produce non-UTF8 logs
+ line = '<line lost: output was not encoded as UTF-8>\n'
+
if not line:
return
line_count += 1