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# This file is part of GNU Rush.
# Copyright (C) 2019-2024 Sergey Poznyakoff
#
# GNU Rush 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 3, or (at your option)
# any later version.
#
# GNU Rush 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 GNU Rush. If not, see <http://www.gnu.org/licenses/>.
AT_SETUP([expanding undefined variables])
AT_KEYWORDS([undef])
m4_pushdef([RUSH_ENVIRON],[-i])
AT_RUSH_TEST([
rush 2.0
rule first
set command = \$COMMAND
],
[cmdline],
[ls],
[1],
[],
[rush: Error: undefined variable: COMMAND
])
AT_RUSH_TEST([
rush 2.0
rule first
set command = \${COMMAND:-\$command}
],
[cmdline],
[ls],
[0],
[{
"cmdline":"ls"
}
],
[])
AT_RUSH_TEST([
rush 2.0
global
expand-undefined true
rule first
set command = \$COMMAND
],
[cmdline],
[ls],
[0],
[{
"cmdline":""
}
],
[])
m4_popdef([RUSH_ENVIRON])
AT_CLEANUP
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