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shlog is a bash script that allow you to record a shell session by logging command history and giving diff of edited files
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#!/bin/bash -e | |
#### | |
# shlog is a bash script that allow you to record a shell session by logging | |
# command history and giving diff of edited files | |
#### | |
# User notes: | |
# - Install: | |
# Load the script using 'source shlog.bash' (add it to your .bashrc | |
# to load it automatically) | |
# - Usage: | |
# Start a new record with 'shlog start', log file editing | |
# with 'shlog edit <filename>', stop the recording and get the logs | |
# with 'shlog stop' | |
#### | |
# shlog is Copyright (C) 2011 Luc Sarzyniec <mail@olbat.net> | |
# | |
# This program is free software: you can redistribute it and/or modify | |
# it under the terms of the GNU General Public License as published by | |
# the Free Software Foundation, either version 3 of the License, or | |
# (at your option) any later version. | |
# | |
# This program is distributed in the hope that it will be useful, | |
# but WITHOUT ANY WARRANTY; without even the implied warranty of | |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
# GNU General Public License for more details. | |
# | |
# You should have received a copy of the GNU General Public License | |
# along with this program. If not, see <http://www.gnu.org/licenses/>. | |
#### | |
function __shlog_path { | |
echo ${TMPDIR}/shlog/$$ | |
} | |
function __shlog_usage { | |
echo "usage: shlog <command> [<param>]" | |
echo "commands:" | |
echo -e "\t- start\t\t\t: start a new recording session" | |
echo -e "\t- edit <filename>\t: edit a file and record the diff" | |
echo -e "\t- comment\t\t: add a comment" | |
echo -e "\t- stop\t\t\t: stop a recording session and get the log" | |
} | |
function __realpath { | |
if [[ $# -gt 0 && "${1:0:1}" != "/" ]] | |
then | |
local ret=`pwd`/$1 | |
else | |
local ret=$1 | |
fi | |
echo `cd $(dirname $ret) && pwd`/`basename $ret` | |
} | |
function shlog { | |
if [ $# -lt 1 ] | |
then | |
__shlog_usage | |
else | |
case $1 in | |
start) | |
if [ -e "$(__shlog_path)/session" ] | |
then | |
echo "Already existing session, use 'stop' before starting a new one" | |
else | |
if [ ! -e $(__shlog_path) ] | |
then | |
mkdir -p $(__shlog_path) | |
fi | |
history -w | |
echo -e "* user\t: ${USER}\n* host\t: ${HOSTNAME}" \ | |
"\n* date\t: `date +'%x %R'`\n* curpath\t: ${PWD}" \ | |
> $(__shlog_path)/session | |
cp $HISTFILE $(__shlog_path)/`basename $HISTFILE` | |
fi | |
;; | |
stop) | |
if [ -e "$(__shlog_path)/session" ] | |
then | |
history -w | |
echo -e "=== Session ===\n`cat $(__shlog_path)/session`\n" | |
echo "=== Commands ===" | |
local editfiles=0 | |
local editlog="" | |
while read line | |
do | |
if [ -n "`echo $line | grep "^$FUNCNAME"`" ] | |
then | |
case `echo $line | cut -d' ' -f2` in | |
edit) | |
let editfiles=editfiles+1 | |
local tmp=`cat $(__shlog_path)/files \ | |
| sed -n "${editfiles}p"` | |
local tmpfilebase=`echo $tmp | cut -d " " -f1` | |
local realfile=`echo $tmp | cut -d " " -f2` | |
echo "* Edit $realfile, see [$editfiles]" | |
editlog="${editlog}\n* [$editfiles] Edit $realfile" | |
editlog="${editlog}\n<pre>\n$(cd $tmpfilebase && \ | |
diff -U1 -NB old new)\n</pre>\n" | |
;; | |
comment) | |
echo "* ${line#* * }" | |
;; | |
*) | |
echo $line | |
;; | |
esac | |
else | |
if [ "$USER" == "root" ] | |
then | |
local sufchr="#" | |
else | |
local sufchr="$" | |
fi | |
echo " ${USER}@${HOSTNAME}$sufchr $line" | |
fi | |
done < <(diff -BN $(__shlog_path)/`basename $HISTFILE` $HISTFILE \ | |
| grep '^>.*$' | sed -e 's/^> //' -e '$d') | |
if [ -n "$editlog" ] | |
then | |
echo -n -e "\n=== Files ===${editlog}" | |
fi | |
echo | |
rm -Rf $(__shlog_path) | |
else | |
echo "No current session, use 'start' to create a new one" | |
fi | |
;; | |
edit) | |
if [ -e "$(__shlog_path)/session" ] | |
then | |
if [ $# -lt 2 ] | |
then | |
echo "filename missing for '$1'" | |
else | |
local tmpfilebase=`mktemp -d $(__shlog_path)/XXXXXXXX` | |
local realpath=$(__realpath $2) | |
echo $tmpfilebase $realpath >> $(__shlog_path)/files | |
cp $realpath $tmpfilebase/old &>/dev/null \ | |
|| touch $tmpfilebase/old | |
${EDITOR:-vi} $realpath | |
cp $realpath $tmpfilebase/new &>/dev/null \ | |
|| touch $tmpfilebase/new | |
fi | |
else | |
echo "No current session, use 'start' to create a new one" | |
fi | |
;; | |
comment) | |
echo "comment added" | |
;; | |
help) | |
__shlog_usage | |
;; | |
*) | |
echo "unknown command '$1'" | |
;; | |
esac | |
fi | |
} | |
######## |
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