mirror of
https://github.com/alexanderepstein/Bash-Snippets
synced 2018-11-08 02:59:35 +01:00
76 lines
2 KiB
Bash
76 lines
2 KiB
Bash
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#!/bin/env bash
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# Author: Navan Chauhan and Alexander Epstein
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currentVersion="1.21.0"
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configuredClient=""
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## This function determines which http get tool the system has installed and returns an error if there isnt one
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getConfiguredClient()
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{
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if command -v curl &>/dev/null; then
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configuredClient="curl"
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elif command -v wget &>/dev/null; then
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configuredClient="wget"
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elif command -v http &>/dev/null; then
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configuredClient="httpie"
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elif command -v fetch &>/dev/null; then
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configuredClient="fetch"
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else
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echo "Error: This tool reqires either curl, wget, httpie or fetch to be installed." >&2
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return 1
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fi
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}
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httpGet()
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{
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case "$configuredClient" in
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curl) curl -A curl -s "$@" ;;
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wget) wget -qO- "$@" ;;
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httpie) http -b GET "$@" ;;
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fetch) fetch -q "$@" ;;
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esac
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}
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grablatestversion()
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{
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repositoryName="Bash-Snippets"
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githubUserName="alexanderepstein"
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latestVersion=$(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
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}
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checkInternet()
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{
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httpGet github.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query github with a get request
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}
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header(){
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COLUMNS=$(tput cols)
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title="Bash Snippets"
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installver="Installed Version : $currentVersion"
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latestver="Latest Version : $latestVersion"
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printf "%*s\n" $(((${#title}+$COLUMNS)/2)) "$title"
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printf "%*s\n" $(((${#installver}+$COLUMNS)/2)) "$installver"
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printf "%*s\n" $(((${#latestver}+$COLUMNS)/2)) "$latestver"
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}
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installationcheck(){
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cd /usr/local/bin
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for f in cheat cloudup crypt cryptocurrency currency geo lyrics meme movies newton qrify short siteciphers stocks taste todo transfer weather ytview
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do
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if [ -e $f ]
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then
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echo "$f is installed"
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else
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echo "$f is not installed"
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fi
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done
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}
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checkInternet
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getConfiguredClient
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grablatestversion
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header
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installationcheck
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