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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 20:32:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 20:32:59 +0000 |
commit | 4d57e0a8dab2139a631a21aab862487481548702 (patch) | |
tree | f7cea0b9939e2ecb7a301de6c83bada29452046d /scripts/annotate-output.sh | |
parent | Initial commit. (diff) | |
download | devscripts-upstream.tar.xz devscripts-upstream.zip |
Adding upstream version 2.23.7.upstream/2.23.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/annotate-output.sh')
-rwxr-xr-x | scripts/annotate-output.sh | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/scripts/annotate-output.sh b/scripts/annotate-output.sh new file mode 100755 index 0000000..84025f5 --- /dev/null +++ b/scripts/annotate-output.sh @@ -0,0 +1,92 @@ +#!/bin/sh + +# Copyright 2019-2023 Johannes Schauer Marin Rodrigues <josch@debian.org> +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. + +set -eu + +PROGNAME=${0##*/} + +handler() { + while IFS= read -r line; do + printf "%s %s: %s\n" "$($1)" "$2" "$line" + done + if [ -n "$line" ]; then + printf "%s %s: %s" "$($1)" "$2" "$line" + fi +} + +usage() { + echo \ +"Usage: $PROGNAME [options] program [args ...] + Run program and annotate STDOUT/STDERR with a timestamp. + + Options: + +FORMAT - Controls the timestamp format as per date(1) + -h, --help - Show this message" +} + +FMT="+%H:%M:%S" +while [ -n "${1-}" ]; do + case "$1" in + +*) + FMT="$1" + shift + ;; + -h|-help|--help) + usage + exit 0 + ;; + *) + break + ;; + esac +done + +if [ $# -lt 1 ]; then + usage + exit 1 +fi + +# shellcheck disable=SC2317 +plainfmt() { printf "%s" "$FMT"; } +# shellcheck disable=SC2317 +datefmt() { date "$FMT"; } +case "$FMT" in + *%*) formatter=datefmt;; + *) formatter=plainfmt; FMT="${FMT#+}";; +esac + +echo Started "$@" | handler $formatter I + +# The following block redirects FD 2 (stderr) to FD 1 (stdout) which is then +# processed by the stderr handler. It redirects FD 1 (stdout) to FD 4 such +# that it can later be move to FD 1 (stdout) and handled by the stdout handler. +# The exit status of the program gets written to FD 2 (stderr) which is then +# captured to produce the correct exit status as the last step of the pipe. +# Both the stdout and stderr handler output to FD 3 such that after exiting +# with the correct exit code, FD 3 can be redirected to FD 1 (stdout). +err=0 +{ + { + { + { + { + "$@" 2>&1 1>&4 3>&- 4>&-; echo $? >&2; + } | handler $formatter E >&3; + } 4>&1 | handler $formatter O >&3; + } 2>&1; + } | { read -r xs; exit "$xs"; }; +} 3>&1 || err=$? + +echo "Finished with exitcode $err" | handler $formatter I +exit $err |