219 lines
7.6 KiB
Bash
Executable File
219 lines
7.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Author: Alexander Epstein https://github.com/alexanderepstein
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currentVersion="1.22.1"
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configuredClient=""
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artist="false"
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song="false"
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filePath=""
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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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getConfiguredPython()
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{
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if command -v python2 &>/dev/null ; then
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configuredPython="python2"
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elif command -v python &>/dev/null ; then
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configuredPython="python"
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else
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echo "Error: This tool requires python 2 to be installed."
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return 1
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fi
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}
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if [[ $(uname) != "Darwin" ]]; then
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python()
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{
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case "$configuredPython" in
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python2) python2 "$@";;
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python) python "$@";;
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esac
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}
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fi
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## Allows to call the users configured client without if statements everywhere
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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 "$@" ;;
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esac
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}
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update()
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{
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# Author: Alexander Epstein https://github.com/alexanderepstein
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# Update utility version 1.2.0
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# To test the tool enter in the defualt values that are in the examples for each variable
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repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite
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githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein
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nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one
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latestVersion=$(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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if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]]; then
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echo "Error: update utility has not been configured correctly." >&2
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exit 1
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elif [[ $latestVersion == "" ]]; then
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echo "Error: no active internet connection" >&2
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exit 1
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else
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if [[ "$latestVersion" != "$currentVersion" ]]; then
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echo "Version $latestVersion available"
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echo -n "Do you wish to update $repositoryName [Y/n]: "
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read -r answer
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if [[ "$answer" == [Yy] ]]; then
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cd ~ || { echo 'Update Failed'; exit 1; }
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if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
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git clone "https://github.com/$githubUserName/$repositoryName" || { echo "Couldn't download latest version"; exit 1; }
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cd $repositoryName || { echo 'Update Failed'; exit 1; }
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git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit."
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chmod a+x install.sh #this might be necessary in your case but wasnt in mine.
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./$nameOfInstallFile "update" || exit 1
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cd ..
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rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; }
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else
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exit 1
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fi
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else
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echo "$repositoryName is already the latest version"
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fi
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fi
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}
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checkInternet()
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{
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httpGet github.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query github with a get request
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}
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getLyrics()
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{
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encodedArtist=$(echo $1 | sed s/" "/%20/g | sed s/"&"/%26/g | sed s/,/%2C/g | sed s/-/%2D/g)
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encodedSong=$(echo $2 | sed s/" "/%20/g | sed s/"&"/%26/g | sed s/,/%2C/g | sed s/-/%2D/g)
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response=$(httpGet "https://api.lyrics.ovh/v1/$encodedArtist/$encodedSong")
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lyrics=$(echo $response | python -c "import sys, json; print json.load(sys.stdin)['lyrics']" 2> /dev/null)
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if [[ $lyrics == "" ]];then { echo "Error: no lyrics found!"; return 1; }; fi
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}
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printLyrics()
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{
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if [[ $filePath == "" ]];then echo -e "$lyrics"
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else
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if [ -f "$filePath" ];then
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echo -n "File already exists, do you want to overwrite it [Y/n]: "
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read -r answer
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if [[ "$answer" == [Yy] ]]; then
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echo -e "$lyrics" > "$filePath";
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fi
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else
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echo -e "$lyrics" > "$filePath";
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fi
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fi
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}
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usage()
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{
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cat <<EOF
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Lyrics
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Description: Fetch lyrics for a certain song.
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Usage: lyrics [flags] or tool [-a] [arg] [-s] [arg]
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-a Artist of the song to fetch lyrics for
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-s Song of the artist to fetch lyrics for
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-f Export the lyrics to file rather than outputting to stdout
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-u Update Bash-Snippet Tools
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-h Show the help
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-v Get the tool version
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Examples:
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lyrics -a logic -s run it
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lyrics -a logic -s run it -f ~/runItLyrics.txt
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EOF
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}
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while getopts "f:a:s:uvh" opt; do
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case "$opt" in
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\?) echo "Invalid option: -$OPTARG" >&2
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exit 1
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;;
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h) usage
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exit 0
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;;
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v) echo "Version $currentVersion"
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exit 0
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;;
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u)
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getConfiguredClient || exit 1
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checkInternet || exit 1
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update
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exit 0
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;;
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f)
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filePath="$OPTARG"
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;;
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a)
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artist="true"
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if [[ "$(echo "$@" | grep -Eo "\-s")" == "-s" ]];then song="true";fi # wont go through both options if arg spaced and not quoted this solves that issue (dont need this but once had bug on system where it was necessary)
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if [[ "$(echo "$@" | grep -Eo "\-f")" == "-f" ]];then filePath=$(echo "$@" | grep -Eo "\-f [ a-z A-Z / 0-9 . \ ]*[ -]?" | sed s/-f//g | sed s/-//g | sed s/^" "//g);fi
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;;
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s)
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song="true"
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if [[ "$(echo "$@" | grep -Eo "\-a")" == "-a" ]];then artist="true";fi # wont go through both options if arg spaced and not quoted this solves that issue (dont need this but once had bug on system where it was necessary)
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if [[ "$(echo "$@" | grep -Eo "\-f")" == "-f" ]];then filePath=$(echo "$@" | grep -Eo "\-f [ a-z A-Z / 0-9 . \ ]*[ -]?" | sed s/-f//g | sed s/-//g | sed s/^" "//g);fi
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;;
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:) echo "Option -$OPTARG requires an argument." >&2
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exit 1
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;;
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esac
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done
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# special set of first arguments that have a specific behavior across tools
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if [[ $# == "0" ]]; then
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usage ## if calling the tool with no flags and args chances are you want to return usage
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exit 0
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elif [[ $# == "1" ]]; then
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if [[ $1 == "update" ]]; then
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getConfiguredClient || exit 1
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checkInternet || exit 1
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update || exit 1
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exit 0
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elif [[ $1 == "help" ]]; then
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usage
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exit 0
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fi
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fi
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if ($artist && ! $song) || ($song && ! $artist);then
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echo "Error: the -a and the -s flag must be used to fetch lyrics."
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exit 1
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elif $artist && $song;then
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song=$(echo "$@" | grep -Eo "\-s [ a-z A-Z 0-9 . \ ]*[ -]?" | sed s/-s//g | sed s/-//g | sed s/^" "//g)
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if [[ $song == "" ]];then { echo "Error: song could not be parsed from input."; exit 1; };fi
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artist=$(echo "$@" | grep -Eo "\-a [ a-z A-Z 0-9 . \ ]*[ -]?" | sed s/-a//g | sed s/-//g | sed s/^" "//g)
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if [[ $artist == "" ]];then { echo "Error: artist could not be parsed from input."; exit 1; };fi
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getConfiguredClient || exit 1
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if [[ $(uname) != "Darwin" ]]; then getConfiguredPython || exit 1;fi
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checkInternet || exit 1
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getLyrics "$artist" "$song" || exit 1
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printLyrics
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else
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{ clear; echo "You shouldnt be here but maaaaaaybeee you slipped passed me, learn to use the tool!"; sleep 5; clear;}
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usage
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exit 1
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fi
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