82 lines
2.0 KiB
Bash
82 lines
2.0 KiB
Bash
#! /bin/sh
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# Copyright (C) 2012-2017 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Check that our fake "shell" used to guard against use of trailing
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# backslashes in recipes actually complains when those are used.
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# Our hack doesn't work with some make implementations (see comments
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# in 't/ax/shell-no-trail-bslash.in' for more details).
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required=GNUmake
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am_create_testdir=empty
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. test-init.sh
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cat >> Makefile <<'END'
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am__backslash = \\ # foo
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.PHONY: good bad
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good:
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@printf '%s\n' OK
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.PHONY: bad
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bad:
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@echo $(am__backslash)
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END
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SHELL=$am_testaux_builddir/shell-no-trail-bslash
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$SHELL -c 'exit 0'
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test "$($SHELL -c 'echo is o\k')" = "is ok"
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echo 'echo is ok\"' > ok.sh
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$SHELL ./ok.sh
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test "$($SHELL ./ok.sh)" = "is ok\""
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tab=' '
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nl='
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'
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for sfx in \
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'\' \
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'\\' \
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'\\\\\' \
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'\ ' \
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"\\$tab" \
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"\\ $tab$tab " \
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"\\$nl" \
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"\\ $nl " \
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"\\$nl$nl$nl" \
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; do
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for pfx in "" "echo bad" ": a${nl}# multine${nl}: text"; do
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cmd=${pfx}${sfx}
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printf '%s' "$cmd" > bad.sh
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for args in '-c "$cmd"' './bad.sh'; do
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eval "\$SHELL $args 2>stderr && { cat stderr >&2; exit 1; }; :"
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cat stderr >&2
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$FGREP "recipe/script ends with backslash character" stderr
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cmd="$cmd" $PERL -w -e '
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undef $/;
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$_ = <>;
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index($_, $ENV{cmd}) >= 0 or exit 1;
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' <stderr
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$FGREP "$cmd" stderr
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done
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done
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done
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$MAKE good
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run_make -E -e FAIL bad SHELL="$SHELL"
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$FGREP "recipe/script ends with backslash character" stderr
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:
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