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#! @AM_TEST_RUNNER_SHELL@
# Copyright (C) 2012-2014 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# A "shell" that chokes on '-c' commands and/or shell scripts having
# a trailing '\' character (possibly followed by whitespace only).
# This is to emulate problems seen in older bash versions (e.g., bash
# 2.05b). See also automake bug#10436.
set -u
am_SHELL=${AM_TESTSUITE_SHELL-'@SHELL@'}
(
set -e
shell_command=; unset shell_command
shell_script=; unset shell_script
while test $# -gt 0; do
case $1 in
# The shell might be invoked by make e.g. as "sh -ec" or "sh -ce".
# Be liberal (in the spirit of defensive programming) and accept
# both forms.
-*c*) shell_command=$2; shift;;
-?*) ;;
*) break;;
esac
shift
done
if test x${shell_command+"set"} != x"set"; then
if test $# -gt 0; then
shell_script=$1
shell_command=$(cat <"$shell_script")
else
# Some make implementations, like *BSD's, pass the recipes to the
# shell through its standard input. Trying to run our extra checks
# in this case would be too tricky, so we just skip them.
exit 0
fi
fi
original_shell_command=$shell_command
tab=' '
nl='
'
case "$shell_command" in
*" "|*"$tab"|*"$nl")
shell_command=$(printf '%s\n' "$shell_command" | tr -d " $tab$nl");;
esac
case "$shell_command" in
*\\)
{
printf '%s\n' "$0: recipe/script ends with backslash character"
printf '%s\n' "=== BEGIN recipe/script"
if test x${shell_script+"set"} = x"set"; then
cat <"$shell_script"
else
printf '%s\n' "$original_shell_command"
fi
printf '%s\n' "=== END recipe/script"
} >&2
exit 1
;;
esac
)
if test $? -gt 0; then
# Some of our scripts or makefile recipes had invalid contents.
exit 3
fi
exec ${AM_TESTSUITE_SHELL-'@SHELL@'} ${1+"$@"}
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