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Add JQ_COLORS env var for color config (fix #1252)

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Nico Williams authored and William Langford committed 2017-04-29 14:00:52 -04:00
1 parent 32d8f2000a
commit 6d89e297fe
6 files changed
+221 -1
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tests/shtest
+54
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@@ -244,4 +244,58 @@ if [ "`$VALGRIND $Q $JQ -n '"xyz\n"|halt_error(1)' 2>&1`" != xyz ]; then
exit 1
fi
# Check $JQ_COLORS
$JQ -Ccn . > $d/color
printf '\033[1;30mnull\033[0m\n' > $d/expect
cmp $d/color $d/expect
JQ_COLORS='4;31' $JQ -Ccn . > $d/color
printf '\033[4;31mnull\033[0m\n' > $d/expect
cmp $d/color $d/expect
JQ_COLORS='1;30:0;31:0;32:0;33:0;34:1;35:1;36' \
$JQ -Ccn '[{"a":true,"b":false},123,null]' > $d/color
(
printf '\033[1;35m[\033[1;36m{'
printf '\033[0m\033[34;1m"a"\033['
printf '0m\033[1;36m:\033[0m\033['
printf '0;32mtrue\033[0m\033[1'
printf ';36m,\033[0m\033[34;1m'
printf '"b"\033[0m\033[1;36m:\033'
printf '[0m\033[0;31mfalse\033'
printf '[0m\033[1;36m\033[1;36'
printf 'm}\033[0m\033[1;35m,\033['
printf '0;33m123\033[0m\033[1;'
printf '35m,\033[1;30mnull\033'
printf '[0m\033[1;35m\033[1;35'
printf 'm]\033[0m\n'
) > $d/expect
cmp $d/color $d/expect
# Check garbage in JQ_COLORS. We write each color sequence into a 16
# char buffer that needs to hold ESC [ <color> m NUL, so each color
# sequence can be no more than 12 chars (bytes). These emit a warning
# on stderr.
set -vx
echo 'Failed to set $JQ_COLORS' > $d/expect_warning
$JQ -Ccn '[{"a":true,"b":false},123,null]' > $d/expect
JQ_COLORS='garbage;30:*;31:,;3^:0;$%:0;34:1;35:1;36' \
$JQ -Ccn '[{"a":true,"b":false},123,null]' > $d/color 2>$d/warning
cmp $d/color $d/expect
cmp $d/warning $d/expect_warning
JQ_COLORS='1234567890123456789;30:0;31:0;32:0;33:0;34:1;35:1;36' \
$JQ -Ccn '[{"a":true,"b":false},123,null]' > $d/color 2>$d/warning
cmp $d/color $d/expect
cmp $d/warning $d/expect_warning
JQ_COLORS='1;31234567890123456789:0;31:0;32:0;33:0;34:1;35:1;36' \
$JQ -Ccn '[{"a":true,"b":false},123,null]' > $d/color 2>$d/warning
cmp $d/color $d/expect
cmp $d/warning $d/expect_warning
JQ_COLORS='1234567890123456;1234567890123456:1234567890123456;1234567890123456:1234567890123456;1234567890123456:1234567890123456;1234567890123456:1234567890123456;1234567890123456:1234567890123456;1234567890123456:1234567890123456;1234567890123456' \
$JQ -Ccn '[{"a":true,"b":false},123,null]' > $d/color 2>$d/warning
cmp $d/color $d/expect
cmp $d/warning $d/expect_warning
JQ_COLORS="0123456789123:0123456789123:0123456789123:0123456789123:0123456789123:0123456789123:0123456789123:0123456789123:" \
$JQ -Ccn '[{"a":true,"b":false},123,null]' > $d/color 2>$d/warning
cmp $d/color $d/expect
cmp $d/warning $d/expect_warning
exit 0