interactive2sh

#!/bin/bash
# Records an interactive shell script to a shell script that can be replayed

option=""
export OUTPUT_DIR=~/.config/interactive2sh
export OUTPUT_SH_FILE=$OUTPUT_DIR/$1.auto.sh
if [[ "$1" == -* ]]
then OUTPUT_SH_FILE=$OUTPUT_DIR/$2.auto.sh
fi

_less () {
	if [ -t 1 ] #If terminal
	then less "$@"
	else cat  "$@"
	fi
}

case "$1" in
"")	# No input
	x=`basename $0`
	cat  <<EOF
USAGE:
	$x -l: list all existing scripts
	$x SCRIPT: Record interactive shell to script "SCRIPT"
	$x -a  SCRIPT: append to script "SCRIPT"
	$x -p  SCRIPT: print script "SCRIPT"
	$x -pc SCRIPT: print script "SCRIPT" (cleaned)
	$x -pp SCRIPT: print script "SCRIPT" and attached files
EOF
	exit 1
	;;

-a)     # Append to existing script
	option="-a"
	shift
	;;
-l)     # List all scripts
	cd $OUTPUT_DIR
	ls *.sh | sed s/.auto.sh//
	exit 0
	;;
-p)	# Print script	
	_less $OUTPUT_SH_FILE
	exit 0
	;;
-pc)	# Print script (and clean)	
	cat $OUTPUT_SH_FILE | grep -v 'RETRN_VAL=[1-9]' | sed 's/# \[.*//' | _less
	exit 0
	;;
-pp)    # Print script, print attached files.
	find $OUTPUT_SH_FILE* -type f -exec echo -e \\n---------- '{}' \; -exec cat '{}'  \;  | _less
	exit 0
	;;
-.*)    # Unknown option
	echo Unknown option "$1"
	exit 1
	;;
esac

if [ -e $OUTPUT_SH_FILE -a -z "$option" ]
then
	find $OUTPUT_SH_FILE* -type f -exec echo -e \\n---------- '{}' \; -exec cat '{}'  \; 
	echo ^^^^^ script already exists ^^^^^
	exit 1
fi
mkdir -p $OUTPUT_SH_FILE.in
mkdir -p $OUTPUT_SH_FILE.out
echo 'SH_FILE=`readlink -f "$0"`' >> $OUTPUT_SH_FILE
echo cd `pwd` >> $OUTPUT_SH_FILE

#Start a new shell, which logs various things needed to replay the commands
bash --rcfile <(
cat << "RCFILE_EOF"
set +x
source "$HOME/.bashrc"
export PROMPT_COMMAND='RETRN_VAL=$?;echo "$(history 1 | sed "s/^[ ]*[0-9]\+[ ]*//" ) # [$$] [RETRN_VAL=$?]" >> $OUTPUT_SH_FILE'
aneditor () {
	editor=$1
	shift
	for f in "$@"
	do
		fullpath=`readlink -f "$f"`
		[ -e $OUTPUT_SH_FILE.in/"$fullpath" ] || cp --parents "$fullpath" $OUTPUT_SH_FILE.in 
	done
	$editor "$@"
	for f in "$@"
	do
		fullpath=`readlink -f "$f"`
		test ! -e $fullpath || cmp "$fullpath" $OUTPUT_SH_FILE.in/"$fullpath" || (
			cp --parents "$fullpath" $OUTPUT_SH_FILE.out
			echo mv $fullpath $fullpath.`date -r $fullpath +%F`.bak >> $OUTPUT_SH_FILE
			echo cp '$SH_FILE'.out/$fullpath $fullpath >> $OUTPUT_SH_FILE
		)
	done
}
alias vi="aneditor vi"
alias vim="aneditor vim"
alias nano="aneditor nano"
alias emacs="aneditor emacs"
export PS1='[$OUTPUT_SH_FILE] \w>'
RCFILE_EOF
)

chmod +x $OUTPUT_SH_FILE

#TODO:
#also need to handle crontab
#Check md5sums on wget


#http://askubuntu.com/questions/93566/how-to-log-all-bash-commands-by-all-users-on-a-server
#export PROMPT_COMMAND='RETRN_VAL=$?;logger -p local6.debug "$(whoami) [$$]: $(history 1 | sed "s/^[ ]*[0-9]\+[ ]*//" ) [$RETRN_VAL]"'

#bash --rcfile <(echo "source "$HOME/.bashrc";export PS1='> ' && ls")
#http://stackoverflow.com/questions/7192575/run-bash-command-in-new-shell-and-stay-in-new-shell-after-this-command-executes