93 lines
2.9 KiB
Bash
Executable file
93 lines
2.9 KiB
Bash
Executable file
#!/bin/bash
|
|
# Version: 0.2.0
|
|
# Original awk code found somewhere on LQ - credit to the original author :)
|
|
# Changes copyright (c) 2023:
|
|
# Darren 'Tadgy' Austin <darren (at) afterdark.org.uk>
|
|
# Licensed under the terms of the GNU General Public License version 3.
|
|
#
|
|
# Best run in a screen or tmux window with activity monitoring turned on, so you get a notification any time the ChangeLog is updated.
|
|
|
|
# Defaults.
|
|
CHANGELOG_URL="https://ftp.osuosl.org/pub/slackware/slackware64-current/ChangeLog.txt"
|
|
# CHANGELOG_URL="https://slackware.uk/slackware/slackware64-current/ChangeLog.txt"
|
|
REFRESH_INTERVAL="600"
|
|
MAX_LINES="10000000" # Should cover the whole ChangeLog.
|
|
|
|
# Colourise at most MAX_LINES of the ChangeLog.
|
|
colourise_CL() {
|
|
curl -sL "$CHANGELOG_URL" | head -n "$MAX_LINES" | awk '
|
|
/^(Mon|Tue|Wed|Thu|Fri|Sat|Sun) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)/ {
|
|
print "\033[1;35m"$0"\033[0m"; next
|
|
}
|
|
/^[^: ]+\/[^: ]+:/ {
|
|
status = tolower($2)
|
|
colour = "1;33m"
|
|
if ((index(status, "added") == 1))
|
|
colour = "1;32m"
|
|
else if ((index(status, "removed") == 1))
|
|
colour = "1;31m"
|
|
else if ((index(status, "rebuilt") == 1))
|
|
colour = "1;34m"
|
|
$1 = "\033["colour$1"\033[0m"; print; next
|
|
}
|
|
/^\+---+/ { $0 = "" }{ print }'
|
|
}
|
|
|
|
# Parse command line options.
|
|
while (( $# != 0 )); do
|
|
case "$1" in
|
|
-h|-help|--help)
|
|
printf "%s %s %s %s %s\\n" "${0##*/}" "[-l|--lines <max output lines>]" "[-r|--refresh <time in seconds>]" "[-u|--url <URL to ChangeLog>]" "[-w|--watch]"
|
|
printf "%s '%s'. %s '%s' %s. %s '%s'.\\n" "Default -l is" "$MAX_LINES" "Default -r is" "$REFRESH_INTERVAL" "(subject to using -w)" "Default -u is" "$CHANGELOG_URL" >&2
|
|
exit 0
|
|
;;
|
|
-l|-lines|--lines)
|
|
[[ -z "$2" ]] || [[ "$2" =~ [^[:digit:]]+ ]] && {
|
|
printf "%s: %s: %s\\n" "${0##*/}" "invalid argument to -l" "maximum output lines required" >&2
|
|
exit 1
|
|
}
|
|
MAX_LINES="$2"
|
|
shift 2
|
|
;;
|
|
-r|-refresh|--refresh)
|
|
[[ -z "$2" ]] || [[ "$2" =~ [^[:digit:]]+ ]] && {
|
|
printf "%s: %s: %s\\n" "${0##*/}" "invalid argument to -r" "refresh interval (seconds) required" >&2
|
|
exit 1
|
|
}
|
|
REFRESH_INTERVAL="$2"
|
|
shift 2
|
|
;;
|
|
-u|-url|--url)
|
|
[[ -z "$2" ]] && {
|
|
printf "%s: %s: %s\\n" "${0##*/}" "invalid argument to -u" "URL to ChangeLog required" >&2
|
|
exit 1
|
|
}
|
|
CHANGELOG_URL="$2"
|
|
shift 2
|
|
;;
|
|
-w|-watch|--watch)
|
|
WATCH_MODE=1
|
|
shift
|
|
;;
|
|
--)
|
|
break
|
|
;;
|
|
*)
|
|
printf "%s: %s: %s\\n" "${0##*/}" "invalid option" "$1" >&2
|
|
printf "%s: %s %s\\n" "Try" "${0##*/}" "--help" >&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
# Watch or output the coloured ChangeLog.
|
|
if (( WATCH_MODE == 1 )); then
|
|
export CHANGELOG_URL MAX_LINES
|
|
export -f colourise_CL
|
|
watch -n "$REFRESH_INTERVAL" -t -c "colourise_CL"
|
|
exit $?
|
|
else
|
|
colourise_CL
|
|
fi
|
|
|
|
exit 0
|