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#! /bin/bash
# bash-notes © 2023 by danix is licensed under CC BY-NC 4.0.
# To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/4.0/
# to debug the script run it like:
# DEBUG=true notes.sh ...
# and check /tmp/debug_bash-notes.log
if [[ $DEBUG == true ]]; then
exec 5> /tmp/debug_bash-notes.log
BASH_XTRACEFD="5"
PS4='$LINENO: '
set -x
fi
PID=$$
BASENAME=$( basename "$0" )
NOW=$(date +%s)
VERSION="0.3"
DBVERSION=${VERSION}_${NOW}
set_defaults() {
# Binaries to use
JQ=${JQ:-/usr/bin/jq}
EDITOR=${EDITOR:-/usr/bin/vim}
TERMINAL=${TERMINAL:-/usr/bin/alacritty}
# add options for your terminal. Remember to add the last option to execute
# your editor program, otherwise the script will fail.
# see example in the addnote function
TERM_OPTS="--class notes --title notes -e "
# Setting PAGER here overrides whatever is set in your default shell
# comment this option to use your default pager if set in your shell.
PAGER=${PAGER:-/usr/bin/more}
# set this to true to have output in plain text
# or use the -p option on the command line before every other option
PLAIN=false
# base directory for program files
BASEDIR=${BASEDIR:-~/.local/share/bash-notes}
# notes database in json format
DB=${BASEDIR}/db.json
# directory containing the actual notes
NOTESDIR=${BASEDIR}/notes
} # end set_defaults, do not change this line.
set_defaults
# Do not edit below this point
RCFILE=${RCFILE:-~/.config/bash-notes.rc}
TMPDB=/tmp/db.json
if [ ! -x "$JQ" ]; then
echo "jq not found in your PATH"
echo "install jq to continue"
exit 1
fi
# IMPORT USER DEFINED OPTIONS IF ANY
if [[ -f $RCFILE ]]; then
# shellcheck disable=SC1090
source "$RCFILE"
fi
# We prevent the program from running more than one instance:
PIDFILE=/var/tmp/$(basename "$0" .sh).pid
# Make sure the PID file is removed when we kill the process
trap 'rm -f $PIDFILE; exit 1' TERM INT
if [[ -r $PIDFILE ]]; then
# PIDFILE exists, so I guess there's already an instance running
# let's kill it and run again
# shellcheck disable=SC2046,SC2086
kill -s 15 $(cat $PIDFILE) > /dev/null 2>&1
# should already be deleted by trap, but just to be sure
rm "$PIDFILE"
fi
# create PIDFILE
echo $PID > "$PIDFILE"
# Export config to file
function export_config() {
if [ -r ${RCFILE} ]; then
echo "Backing up current '${RCFILE}'...."
mv -f ${RCFILE} ${RCFILE}.$(date +%Y%m%d_%H%M)
fi
echo "Writing '${RCFILE}'...."
sed -n '/^set_defaults() {/,/^} # end set_defaults, do not change this line./p' $0 \
| grep -v set_defaults \
| sed -e 's/^\([^=]*\)=\${\1:-\([^}]*\)}/\1=\2/' \
> ${RCFILE}
if [ -r ${RCFILE} ]; then
echo "Taking no further action."
exit 0
else
echo "Could not write '${RCFILE}'...!"
exit 1
fi
}
# we should expand on this function to add a sample note and explain a little bit
# how the program works.
function firstrun() {
[ -f $RCFILE ] && RC=$RCFILE || RC="none"
clear
echo "${BASENAME} configuration:
base directory: ${BASEDIR}/
notes archive: ${NOTESDIR}/
notes database: ${DB}
rc file: $RC
text editor: ${EDITOR}
terminal: ${TERMINAL}
jq executable: ${JQ}
"
echo "Now I'll create the needed files and directories."
read -r -p "Do you wish to continue? (y/N) " ANSWER
case $ANSWER in
y|Y )
mkdir -p $NOTESDIR
cat << __EOL__ > ${DB}
{
"params": {
"version": "${VERSION}",
"dbversion": "${DBVERSION}"
},
"notes": []
}
__EOL__
echo; echo "All done, you can now write your first note."
;;
* )
echo "No changes made. Exiting"
exit
;;
esac
}
# check for notes dir existance and create it in case it doesn't exists
if [[ ! -d $NOTESDIR ]]; then
# we don't have a directory. FIRST RUN?
firstrun
fi
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