262 lines
8.0 KiB
Bash
Executable File
262 lines
8.0 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# Author: Alexander Epstein https://github.com/alexanderepstein
|
|
flag=""
|
|
currentVersion="1.22.1"
|
|
configuredClient=""
|
|
|
|
## This function determines which http get tool the system has installed and returns an error if there isnt one
|
|
getConfiguredClient()
|
|
{
|
|
if command -v curl &>/dev/null; then
|
|
configuredClient="curl"
|
|
elif command -v wget &>/dev/null; then
|
|
configuredClient="wget"
|
|
elif command -v http &>/dev/null; then
|
|
configuredClient="httpie"
|
|
elif command -v fetch &>/dev/null; then
|
|
configuredClient="fetch"
|
|
else
|
|
echo "Error: This tool reqires either curl, wget, httpie or fetch to be installed." >&2
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
## Allows to call the users configured client without if statements everywhere
|
|
httpGet()
|
|
{
|
|
case "$configuredClient" in
|
|
curl) curl -A curl -s "$@" ;;
|
|
wget) wget -qO- "$@" ;;
|
|
httpie) http -b GET "$@" ;;
|
|
fetch) fetch -q "$@" ;;
|
|
esac
|
|
}
|
|
|
|
update()
|
|
{
|
|
# Author: Alexander Epstein https://github.com/alexanderepstein
|
|
# Update utility version 2.2.0
|
|
# To test the tool enter in the defualt values that are in the examples for each variable
|
|
repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite
|
|
githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein
|
|
nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one
|
|
latestVersion=$(httpGet https://api.github.com/repos/$githubUserName/$repositoryName/tags | grep -Eo '"name":.*?[^\\]",'| head -1 | grep -Eo "[0-9.]+" ) #always grabs the tag without the v option
|
|
|
|
if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]]; then
|
|
echo "Error: update utility has not been configured correctly." >&2
|
|
exit 1
|
|
elif [[ $latestVersion == "" ]]; then
|
|
echo "Error: no active internet connection" >&2
|
|
exit 1
|
|
else
|
|
if [[ "$latestVersion" != "$currentVersion" ]]; then
|
|
echo "Version $latestVersion available"
|
|
echo -n "Do you wish to update $repositoryName [Y/n]: "
|
|
read -r answer
|
|
if [[ "$answer" == [Yy] ]]; then
|
|
cd ~ || { echo 'Update Failed'; exit 1; }
|
|
if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
|
|
echo -n "Downloading latest version of: $repositoryName."
|
|
git clone -q "https://github.com/$githubUserName/$repositoryName" && touch .BSnippetsHiddenFile || { echo "Failure!"; exit 1; } &
|
|
while [ ! -f .BSnippetsHiddenFile ]; do { echo -n "."; sleep 2; };done
|
|
rm -f .BSnippetsHiddenFile
|
|
echo "Success!"
|
|
cd $repositoryName || { echo 'Update Failed'; exit 1; }
|
|
git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit."
|
|
chmod a+x install.sh #this might be necessary in your case but wasnt in mine.
|
|
./$nameOfInstallFile "update" || exit 1
|
|
cd ..
|
|
rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; }
|
|
else
|
|
exit 1
|
|
fi
|
|
else
|
|
echo "$repositoryName is already the latest version"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
addTask()
|
|
{
|
|
if [ ! -f ~/.todo/list.txt ]; then
|
|
if [ ! -d ~/.todo ]; then mkdir ~/.todo; fi
|
|
touch ~/.todo/list.txt
|
|
fi
|
|
echo "$1 ; $(date)" >> ~/.todo/list.txt
|
|
}
|
|
|
|
checkInternet()
|
|
{
|
|
httpGet github.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query github with a get request
|
|
}
|
|
|
|
removeTask()
|
|
{
|
|
## Check for valid task numbers (valid characters)
|
|
if [ -f ~/.todo/temp.txt ];then rm -f ~/.todo/temp.txt;fi
|
|
touch ~/.todo/temp.txt
|
|
for taskToRemove in "$@";do
|
|
oldTaskNumber=$taskToRemove
|
|
taskNumber=$( echo $taskToRemove | grep -Eo "[0-9]*" )
|
|
if [[ $taskNumber == "" || $oldTaskNumber != $taskNumber ]]; then echo "Error: $oldTaskNumber is not a valid task number!" && return 1; fi
|
|
done
|
|
count="0"
|
|
IFS=$'\n' # make newlines the only separator
|
|
|
|
## Removing the task (only don't add to temp if we should remove it)
|
|
for task in $(cat ~/.todo/list.txt); do
|
|
removeIt="false"
|
|
for taskToRemove in "$@";do
|
|
if [[ $(($count + 1)) == "$taskToRemove" ]]; then
|
|
removeIt="true"
|
|
break
|
|
fi
|
|
done
|
|
if ! $removeIt ;then echo "$task" >> ~/.todo/temp.txt;fi
|
|
count=$(( $count + 1 ))
|
|
done
|
|
rm -f ~/.todo/list.txt
|
|
cp ~/.todo/temp.txt ~/.todo/list.txt
|
|
rm -f ~/.todo/temp.txt
|
|
|
|
##Checking if the task exists
|
|
for taskToRemove in "$@" ;do
|
|
if [ $count -lt $taskToRemove ]; then
|
|
echo "Error: task number $taskToRemove does not exist!"
|
|
else
|
|
echo "Sucessfully removed task number $taskToRemove"
|
|
fi
|
|
done
|
|
}
|
|
|
|
getTasks()
|
|
{
|
|
if [ -f ~/.todo/list.txt ]; then
|
|
checkEmpty=$(cat ~/.todo/list.txt)
|
|
if [[ $checkEmpty == "" ]]; then
|
|
echo "No tasks found"
|
|
else
|
|
count="1"
|
|
IFS=$'\n' # make newlines the only separator
|
|
for task in $(cat ~/.todo/list.txt); do
|
|
tempTask=$count
|
|
if [ $count -lt 10 ]; then tempTask="0$count"; fi
|
|
echo "$tempTask). $task" >> ~/.todo/getTemp.txt
|
|
count=$(( $count + 1 ))
|
|
done
|
|
cat ~/.todo/getTemp.txt | column -t -s ";"
|
|
rm -f ~/.todo/getTemp.txt
|
|
fi
|
|
else
|
|
echo "No tasks found"
|
|
fi
|
|
}
|
|
|
|
usage()
|
|
{
|
|
cat <<EOF
|
|
Todo
|
|
Description: A simplistic commandline todo list.
|
|
Usage: todo [flags] or todo [flags] [arguments]
|
|
-c Clear all the current tasks
|
|
Can also use clear instead of -c
|
|
-r Remove the following task numbers seprated by spaces
|
|
Can also use remove instead of -r
|
|
-g Get the current tasks
|
|
Can also use list instead of -g
|
|
-a Add the following task
|
|
Can also use add instead of -a
|
|
-u Update Bash-Snippet Tools
|
|
-h Show the help
|
|
-v Get the tool version
|
|
Examples:
|
|
todo -a My very first task
|
|
todo remove 2
|
|
todo -r 1 3
|
|
todo add Another Task
|
|
todo list
|
|
todo -g
|
|
todo -c
|
|
todo clear
|
|
EOF
|
|
}
|
|
|
|
clearAllTasks()
|
|
{
|
|
rm -f ~/.todo/list.txt || return 1
|
|
touch ~/.todo/list.txt || return 1
|
|
echo "Tasks cleared."
|
|
}
|
|
|
|
while getopts "cr:a:guvh" opt; do
|
|
case "$opt" in
|
|
\?) echo "Invalid option: -$OPTARG" >&2
|
|
exit 1
|
|
;;
|
|
c) if [[ $flag == "" ]]; then
|
|
flag="clear"
|
|
else
|
|
echo "Error: all flags are mutually exclusive"
|
|
exit 1
|
|
fi
|
|
;;
|
|
h) usage
|
|
exit 0
|
|
;;
|
|
v) echo "Version $currentVersion"
|
|
exit 0
|
|
;;
|
|
g) if [[ $flag == "" ]]; then
|
|
flag="get"
|
|
else
|
|
echo "Error: all flags are mutually exclusive"
|
|
exit 1
|
|
fi
|
|
;;
|
|
r) if [[ $flag == "" ]]; then
|
|
flag="remove"
|
|
else
|
|
echo "Error: all flags are mutually exclusive"
|
|
exit 1
|
|
fi
|
|
;;
|
|
a) if [[ $flag == "" ]]; then
|
|
flag="add"
|
|
else
|
|
echo "Error: all flags are mutually exclusive"
|
|
exit 1
|
|
fi
|
|
;;
|
|
u) getConfiguredClient || exit 1
|
|
checkInternet || exit 1
|
|
update
|
|
exit 0
|
|
;;
|
|
:) echo "Option -$OPTARG requires an argument." >&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
if [[ $# == "0" ]]; then
|
|
usage
|
|
elif [[ $# == "1" ]]; then
|
|
if [[ $1 == "clear" ]]; then
|
|
clearAllTasks || exit 1
|
|
elif [[ $1 == "update" ]]; then
|
|
getConfiguredClient || exit 1
|
|
checkInternet || exit 1
|
|
update || exit 1
|
|
exit 0
|
|
elif [[ $1 == "help" ]]; then
|
|
usage
|
|
exit 0
|
|
elif [[ $flag == "clear" || $1 == "clear" ]]; then clearAllTasks || exit 1
|
|
elif [[ $flag == "get" || $1 == "list" || $1 == "get" ]]; then getTasks || exit 1
|
|
else { echo "Error: the argument $1 is not valid"; exit 1; }; fi
|
|
else
|
|
if [[ $flag == "add" || $1 == "add" ]]; then addTask "${*:2}" && getTasks || exit 1
|
|
elif [[ $flag == "remove" || $1 == "remove" ]]; then removeTask ${*:2} && getTasks || exit 1
|
|
else { usage; exit 1; }; fi
|
|
fi
|