aerc/filters/hldiff

47 lines
914 B
Awk
Executable File

#!/usr/bin/awk -f
BEGIN {
bright = "\x1B[1m"
red = "\x1B[31m"
green = "\x1B[32m"
cyan = "\x1B[36m"
reset = "\x1B[0m"
hit_diff = 0
}
{
if (hit_diff == 0) {
# Strip carriage returns from line
gsub(/\r/, "", $0)
if ($0 ~ /^diff /) {
hit_diff = 1;
print bright $0 reset
} else if ($0 ~ /^.*\|.*(\+|-)/) {
left = substr($0, 0, index($0, "|")-1)
right = substr($0, index($0, "|"))
gsub(/-+/, red "&" reset, right)
gsub(/\++/, green "&" reset, right)
print left right
} else {
print $0
}
} else {
# Strip carriage returns from line
gsub(/\r/, "", $0)
if ($0 ~ /^-/) {
print red $0 reset
} else if ($0 ~ /^\+/) {
print green $0 reset
} else if ($0 ~ /^ /) {
print $0
} else if ($0 ~ /^@@ (-[0-9]+,[0-9]+ \+[0-9]+,[0-9]+) @@.*/) {
sub(/^@@ (-[0-9]+,[0-9]+ \+[0-9]+,[0-9]+) @@/, cyan "&" reset)
print $0
} else {
print bright $0 reset
}
}
}