glibc/scripts/merge-test-results.sh
DJ Delorie 78e09591a5 Optimize scripts/merge-test-results.sh
The inner loop is called thousands of times per "make check" even
if there's otherwise nothing to do.  Avoid calling /bin/head all
those times when a builtin will do.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2020-10-05 17:16:03 -04:00

67 lines
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#!/bin/sh
# Merge test results of individual tests or subdirectories.
# Copyright (C) 2014-2020 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.
# usage: merge-test-results.sh -s objpfx subdir test-name...
# (subdirectory tests; empty subdir at top level), or
# merge-test-results.sh -t objpfx subdir-file-name subdir...
# (top-level merge)
set -e
type=$1
objpfx=$2
shift 2
case $type in
-s)
subdir=$1
shift
subdir=${subdir:+$subdir/}
for t in "$@"; do
if [ -s "$objpfx$t.test-result" ]; then
# This loop is called thousands of times even when there's
# nothing to do. Avoid using non-built-in commands (like
# /bin/head) where possible. We assume "echo" is typically a
# built-in.
IFS= read -r line < "$objpfx$t.test-result"
echo "$line"
else
echo "UNRESOLVED: $subdir$t"
fi
done
;;
-t)
subdir_file_name=$1
shift
for d in "$@"; do
if [ -f "$objpfx$d/$subdir_file_name" ]; then
cat "$objpfx$d/$subdir_file_name"
else
echo "ERROR: test results for $d directory missing"
fi
done
;;
*)
echo "unknown type $type" >&2
exit 1
;;
esac