[PATCH 2 of 2 already-pushed] lfs: generate a large file by using `python` instead of yes | head

Augie Fackler raf at durin42.com
Mon Nov 20 18:15:18 EST 2017


# HG changeset patch
# User Augie Fackler <augie at google.com>
# Date 1511219115 18000
#      Mon Nov 20 18:05:15 2017 -0500
# Node ID f6f8b7c8919a5aa1f711e3463f7dd9afa6b734c5
# Parent  7ea56f5700b8175b13d3960434fd5f8cd04306c3
lfs: generate a large file by using `python` instead of yes | head

yes(1) on some systems (like gcc112) feels compelled to inform you of
broken pipes, such as those triggered by head(1). This works around
the problem portably.

diff --git a/tests/test-lfs-largefiles.t b/tests/test-lfs-largefiles.t
--- a/tests/test-lfs-largefiles.t
+++ b/tests/test-lfs-largefiles.t
@@ -199,7 +199,7 @@ largefiles since it hooks cmdutil.add() 
 commit.  By the time the commit occurs, the tracked file is smaller than the
 threshold (assuming it is > 41, so the standins don't become lfs objects).
 
-  $ yes | head -n 1048576 > large_by_size.bin
+  $ $PYTHON -c 'import sys ; sys.stdout.write("y\n" * 1048576)' > large_by_size.bin
   $ hg --config largefiles.minsize=1 ci -Am 'large by size'
   adding large_by_size.bin as a largefile
   $ hg manifest


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