#   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 3 of the License, 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/>.
#
shopt -s expand_aliases

# from an austin-group report
alias foo="echo 'Error:"
foo bar'

# from some FreeBSD sh tests

v=1
alias a='unalias -a
v=2'
eval a
[ "$v" = 2 ] && echo ok 1
v=1
alias a='unalias a
v=2'
eval a
[ "$v" = 2 ] && echo ok 2

# make sure command doesn't ever reset anything even if it's made a keyword
unalias -a
alias command=command
alias true='echo bad'
eval 'command true'

unalias -a
alias alias0=command
alias true='echo bad'
eval 'alias0 true'

# make sure null aliases are ok
unalias -a
alias nullalias=''
alias foo='echo '
foo nullalias text
unalias foo

# aliases shouldn't be expanded in quoted strings even when the previous word
# is an alias whose expansion ends in a space
alias foo="echo 'whoops: "
foo nullalias'

unalias -a

# recursive alias definitions
alias echo=echo
eval echo foo

alias echo='echo a'

echo
echo b
eval echo b
echo $(eval echo b)

unalias -a

# alias expansion when in a command position after redirections
alias e=echo
eval '</dev/null e ok 3'
eval 'a=true e ok 4'

alias comment=#
comment

alias long_comment='# for x in '
long_comment text after

# comment
comment foo bar

# alias ending in a tab
alias foo="\
	echo \"bar\" \
	"

foo

alias foo=$'echo bad \t'
foo

# this should probably just echo a blank line to stdout
alias foo='echo 0'
foo>&2

alias a='printf "<%s>\n" \'
a|cat