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Bash-Snippets/weather/weather

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4 KiB
Bash
Executable file

#!/bin/bash
# Author: Alexander Epstein https://github.com/alexanderepstein
currentVersion="1.1.0" #This version variable should not have a v but should contain all other characters ex Github release tag is v1.2.4 currentVersion is 1.2.4
getIPWeather()
{
country=$(curl -s ipinfo.io/country) > /dev/null ## grab the country
if [[ $country == "US" ]];then ## if were in the us id rather not use longitude and latitude so the output is nicer
city=$(curl -s ipinfo.io/city) > /dev/null
region=$(curl -s ipinfo.io/region) > /dev/null
region=$(echo "$region" | tr -dc '[:upper:]')
curl wttr.in/$city,$region
else ## otherwise we are going to use longitude and latitude
location=$(curl -s ipinfo.io/loc) > /dev/null
curl wttr.in/$location
fi
}
getLocationWeather()
{
curl wttr.in/$1,$2,$3,$4
}
checkInternet()
{
echo "GET http://google.com HTTP/1.0\n\n" | nc google.com 80 > /dev/null 2>&1 # query google with a get request
if [ $? -eq 0 ]; then #check if the output is 0, if so no errors have occured and we have connected to google successfully
return 0
else
echo "Error: no active internet connection" >&2 #sent to stderr
return 1
fi
}
update()
{
# Author: Alexander Epstein https://github.com/alexanderepstein
# Update utility version 1.2.0
# To test the tool enter in the defualt values that are in the examples for each variable
repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite
githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein
nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one
latestVersion=$(curl -s 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" == "Y" || "$answer" == "y" ]] ;then
cd ~ || { echo 'Update Failed' ; exit 1 ; }
if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Your password is required to continue with the update" ; sudo rm -r -f $repositoryName ; }; fi #sudo command only on error
git clone "https://github.com/$githubUserName/$repositoryName" || { echo "Couldn't download latest version" ; exit 1; }
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" || { echo "Your password is required to continue with the update" ; sudo ./$nameOfInstallFile "update" ; }
cd ..
rm -r -f $repositoryName || sudo rm -r -f $repositoryName #sudo command only on error
else
exit 1
fi
else
echo "$repositoryName is already the latest version"
fi
fi
}
checkInternet || exit 1 # check if we have a valid internet connection if this isnt true the rest of the script will not work so stop here
while getopts "uv" opt; do
case $opt in
\?)
echo "Invalid option: -$OPTARG" >&2
exit 1
;;
h)
help
;;
v)
echo "Version $currentVersion"
exit 0
;;
u)
update
exit 0
;;
:)
echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done
if [[ $# == 0 ]]; then
getIPWeather
elif [[ $1 == "update" ]]; then
update
else
getLocationWeather $1 $2 $3 $4
fi