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#!/usr/bin/env bash
# This script adds color highlighting to the output from Neomake's Vader tests
# (when called with "vader"), or to the file that gets written into according
# to `neomake_logfile`.
#
# You can use the following to watch colored logs in a terminal window, after
# having used `let g:neomake_logfile = '/tmp/neomake.log'` in Neovim/Vim:
#
# tail -f /tmp/neomake.log | /path/to/neomake/contrib/highlight-log
bold="[1m" # $(tput bold)
bold_off="[22m"
debug_color="[2m" # $(tput dim), does not work in urxvt (although in infocmp/terminfo).
debug_color_off="[22m"
color_off="[39m"
log_color="[33;1m"
log_color_off="$bold_off$color_off"
error_color="[31;1m"
error_color_off="$bold_off$color_off"
# compact: display test headers, but not inner output for successful ones.
compact=0
while [ $# -ne 0 ]; do
case $1 in
--compact) compact=1; shift ;;
--) shift; break ;;
-?*) echo "Unknown option: $1" 1>&2; exit 64 ;;
*) break ;;
esac
done
if [ "$1" = vader ]; then
# Match non-log lines (i.e. keep output from :Log, which should cause
# all messages from a case to be visible).
# This should also ignore empty lines and lines starting with a character
# (e.g. via NVIM_LOG_FILE:=/dev/stderr, and from :echom).
re_log_line='^(.*( )? )(> .*)$'
re_ignore_log_line='^.*( )? > \[(debug |verbose|warning|error )|((D|V|W|E) +\+[.0-9]+)\]'
colorize() {
# Only colorize if stdout is connected to a tty (not with :!make).
if ! [ -t 1 ]; then
cat -
return
fi
# sed: add coloring to Vader's output:
# 1. failures (includes pending) in red "(X)"
# 2. test case header in bold "(2/2)"
# 3. Neomake's error log messages
# 4. Neomake's debug log messages
# 5. non-Neomake log lines (e.g. from :Log)
sed -E -e 's/^(([^ ].*)? +)\([ [:digit:]]+\/[[:digit:]]+\) \[[ [:alpha:]]+\] \(X\).*/'"$error_color"'\0'"$error_color_off"'/' \
-e 's/^(([^ ].*)? +)(\([ [:digit:]]+\/[[:digit:]]+\))/\1'"$bold"'\3'"$bold_off"'/' \
-e 's/^ +> \[(error |E +[.[:digit:]]+)\]: .*/'"$bold"'\0'"$bold_off"'/' \
-e 's/^ +> \[(debug |D +[.[:digit:]]+)\]: .*/'"$debug_color"'\0'"$debug_color_off"'/' \
-e '/'"$re_ignore_log_line"'/! s/'"$re_log_line"'/\1'"$log_color"'\3'"$log_color_off"'/'
}
if ((compact)); then
# Do not display output for successful tests (i.e. the log statements).
last_start_match=
# Match Vader header ("( 1/33) [EXECUTE] …"), but also if there is output
# from Vim, e.g. with ":colder".
re_vader_header='^([^ ].*)?\ +(\(\ *[0-9]+/[0-9]+\))'
filtering=0
finished_reading=0
stopped_filtering=0
while [ "$finished_reading" = 0 ]; do
if ! read -r; then
if [ -z "$REPLY" ]; then
break
finished_reading=1
fi
fi
if [[ "$REPLY" == *'Vader error:'* ]] || [[ "$REPLY" == 'Error'* ]] || [[ "$REPLY" == 'Traceback'* ]]; then
printf "\r" >&2
printf "[31m[1m%s[0m\n" "$REPLY"
continue
fi
if (( stopped_filtering )); then
echo "$REPLY"
continue
fi
if [[ "$REPLY" == *'Starting Vader:'* ]]; then
echo "$REPLY"
elif [[ "$REPLY" == ' Duration: '* ]]; then
echo "$REPLY"
elif [[ "$REPLY" == *'(X)'* ]]; then
# Should also match "(1/1) [EXECUTE] (X) Error: Vim(function):E126: Missing :endfunction" already.
if [[ -n "$filtered" ]]; then
echo "$filtered"
fi
echo "$REPLY"
filtered=
filtering=0
elif [[ "$REPLY" =~ $re_vader_header ]]; then
filtering=1
if [[ ${BASH_REMATCH[2]} == "$last_start_match" ]]; then
filtered="$filtered"$'\n'"$REPLY"
else
echo "$REPLY"
filtered=
fi
last_start_match="${BASH_REMATCH[2]}"
elif [[ "$REPLY" == *'Success/Total: '* || "$REPLY" == ' Slowest tests:' ]]; then
echo "$REPLY"
filtering=0
filtered=
stopped_filtering=1
elif ! ((filtering)); then
echo "$REPLY"
elif [[ "$REPLY" =~ $re_log_line && ! "$REPLY" =~ $re_ignore_log_line ]]; then
if [[ "$REPLY" =~ '> SKIP:' ]]; then
echo "$REPLY"
continue
fi
if [[ -n "$filtered" ]]; then
echo "$filtered"
fi
echo "$REPLY"
filtered=
filtering=0
elif [[ -n "$filtered" ]]; then
filtered="$filtered"$'\n'"$REPLY"
else
filtered="$REPLY"
fi
done
else
cat -
fi | colorize
else
# Output from neomake_logfile.
error='^[:[:digit:]]\+ \[E .*'
warn='^[:[:digit:]]\+ \[W .*'
debug='^[:[:digit:]]\+ \[D .*'
sed -e "s/$error/[31m[1m\0[0m/" \
-e "s/$warn/w:[33m\0[0m/" \
-e "s/$debug/$debug_color\\0$debug_color_off/"
fi
|
