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1 | #! /bin/bash |
2 | |
3 | # bash-notes © 2023 by danix is licensed under CC BY-NC 4.0. |
4 | # To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/4.0/ |
5 | |
6 | # to debug the script run it like: |
7 | # DEBUG=true notes.sh ... |
8 | # and check /tmp/debug_bash-notes.log |
9 | if [[ $DEBUG == true ]]; then |
10 | exec 5> /tmp/debug_bash-notes.log |
11 | BASH_XTRACEFD="5" |
12 | PS4='$LINENO: ' |
13 | set -x |
14 | fi |
15 | |
16 | PID=$$ |
17 | BASENAME=$( basename "$0" ) |
18 | NOW=$(date +%s) |
19 | |
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20 | VERSION="0.4git" |
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21 | DBVERSION=${VERSION}_${NOW} |
22 | |
23 | set_defaults() { |
24 | # Binaries to use |
25 | JQ=${JQ:-/usr/bin/jq} |
26 | EDITOR=${EDITOR:-/usr/bin/vim} |
27 | TERMINAL=${TERMINAL:-/usr/bin/alacritty} |
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28 | # Git binary only used if $USEGIT is true - See below |
29 | GIT=${GIT:-/usr/bin/git} |
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30 | # add options for your terminal. Remember to add the last option to execute |
31 | # your editor program, otherwise the script will fail. |
32 | # see example in the addnote function |
33 | TERM_OPTS="--class notes --title notes -e " |
34 | # Setting PAGER here overrides whatever is set in your default shell |
35 | # comment this option to use your default pager if set in your shell. |
36 | PAGER=${PAGER:-/usr/bin/more} |
37 | |
38 | # set this to true to have output in plain text |
39 | # or use the -p option on the command line before every other option |
40 | PLAIN=false |
41 | # base directory for program files |
42 | BASEDIR=${BASEDIR:-~/.local/share/bash-notes} |
43 | # notes database in json format |
44 | DB=${BASEDIR}/db.json |
45 | # directory containing the actual notes |
46 | NOTESDIR=${BASEDIR}/notes |
47 | |
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48 | ### GIT SUPPORT |
49 | |
50 | # If you want to store your notes in a git repository set this to true |
51 | USEGIT=true |
52 | # Address of your remote repository |
53 | GITREMOTE=${GITREMOTE:-""} |
54 | |
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55 | } # end set_defaults, do not change this line. |
56 | |
57 | set_defaults |
58 | |
59 | # Do not edit below this point |
60 | RCFILE=${RCFILE:-~/.config/bash-notes.rc} |
61 | TMPDB=/tmp/db.json |
62 | |
63 | if [ ! -x "$JQ" ]; then |
64 | echo "jq not found in your PATH" |
65 | echo "install jq to continue" |
66 | exit 1 |
67 | fi |
68 | |
69 | # IMPORT USER DEFINED OPTIONS IF ANY |
70 | if [[ -f $RCFILE ]]; then |
71 | # shellcheck disable=SC1090 |
72 | source "$RCFILE" |
73 | fi |
74 | |
75 | # We prevent the program from running more than one instance: |
76 | PIDFILE=/var/tmp/$(basename "$0" .sh).pid |
77 | |
78 | # Make sure the PID file is removed when we kill the process |
79 | trap 'rm -f $PIDFILE; exit 1' TERM INT |
80 | |
81 | if [[ -r $PIDFILE ]]; then |
82 | # PIDFILE exists, so I guess there's already an instance running |
83 | # let's kill it and run again |
84 | # shellcheck disable=SC2046,SC2086 |
85 | kill -s 15 $(cat $PIDFILE) > /dev/null 2>&1 |
86 | # should already be deleted by trap, but just to be sure |
87 | rm "$PIDFILE" |
88 | fi |
89 | |
90 | # create PIDFILE |
91 | echo $PID > "$PIDFILE" |
92 | |
93 | # Export config to file |
94 | function export_config() { |
95 | if [ -r ${RCFILE} ]; then |
96 | echo "Backing up current '${RCFILE}'...." |
97 | mv -f ${RCFILE} ${RCFILE}.$(date +%Y%m%d_%H%M) |
98 | fi |
99 | echo "Writing '${RCFILE}'...." |
100 | sed -n '/^set_defaults() {/,/^} # end set_defaults, do not change this line./p' $0 \ |
101 | | grep -v set_defaults \ |
102 | | sed -e 's/^\([^=]*\)=\${\1:-\([^}]*\)}/\1=\2/' \ |
103 | > ${RCFILE} |
104 | if [ -r ${RCFILE} ]; then |
105 | echo "Taking no further action." |
106 | exit 0 |
107 | else |
108 | echo "Could not write '${RCFILE}'...!" |
109 | exit 1 |
110 | fi |
111 | } |
112 | |
113 | # we should expand on this function to add a sample note and explain a little bit |
114 | # how the program works. |
115 | function firstrun() { |
116 | [ -f $RCFILE ] && RC=$RCFILE || RC="none" |
117 | |
118 | clear |
119 | echo "${BASENAME} configuration: |
120 | |
121 | base directory: ${BASEDIR}/ |
122 | notes archive: ${NOTESDIR}/ |
123 | notes database: ${DB} |
124 | rc file: $RC |
125 | text editor: ${EDITOR} |
126 | terminal: ${TERMINAL} |
127 | jq executable: ${JQ} |
128 | " |
129 | |
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130 | echo "Now I'll create the needed files and directories." |
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131 | read -r -p "Do you wish to continue? (y/N) " ANSWER |
132 | case $ANSWER in |
133 | y|Y ) |
134 | mkdir -p $NOTESDIR |
135 | cat << __EOL__ > ${DB} |
136 | { |
137 | "params": { |
138 | "version": "${VERSION}", |
139 | "dbversion": "${DBVERSION}" |
140 | }, |
141 | "notes": [] |
142 | } |
143 | __EOL__ |
144 | echo; echo "All done, you can now write your first note." |
145 | ;; |
146 | * ) |
147 | echo "No changes made. Exiting" |
148 | exit |
149 | ;; |
150 | esac |
151 | } |
152 | |
153 | # check for notes dir existance and create it in case it doesn't exists |
154 | if [[ ! -d $NOTESDIR ]]; then |
155 | # we don't have a directory. FIRST RUN? |
156 | firstrun |
157 | fi |