Adding update, usage and options to tmdb

movies/tmdb

@@ -62,6 +62,47 @@ checkInternet()
   httpGet github.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query github with a get request
 }
 
+
+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=$(httpGet https://api.github.com/repos/$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 $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
+        git clone "https://github.com/$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" || 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
+}
+
 printMovieInfo()
 {
   echo
@@ -76,6 +117,21 @@ printMovieInfo()
   echo
 }
 
+usage()
+{
+  cat <<EOF
+Movies
+Description: Provides relevant information about a certain movie.
+Usage: movies [flag] or movies [movieToSearch]
+  -u  Update Bash-Snippet Tools
+  -h  Show the help
+  -v  Get the tool version
+Examples:
+  movies Argo
+  movies Inception
+EOF
+}
+
 getMovieInfo()
 {
   title=$1
@@ -100,11 +156,28 @@ getConfiguredClient || exit 1
 if [[ "$(uname)" == "Linux" ]];then getConfiguredPython || exit 1; fi
 checkInternet || exit 1
 
-if [ "$1" == "-h" ]; then
-  usage
-  exit 0
-fi
 
-args=$(echo "$@")
-getMovieInfo $args
-printMovieInfo
+while getopts 'uhv' flag; do
+  case "${flag}" in
+    u) update
+       exit 0 ;;
+    h) usage
+       exit 0 ;;
+    v) echo "Version $currentVersion"
+       exit 0 ;;
+    :) echo "Option -$OPTARG requires an argument." >&2
+       exit 1 ;;
+    *) exit 1 ;;
+  esac
+done
+
+if [[ $# == 0 ]]; then
+  usage
+elif [[ $1 == "update" ]]; then
+  update
+elif [[ $1 == "help" ]]; then
+  usage
+else
+  getMovieInfo "$@" || exit 1 ## exit if we return 1 (chances are movie was not found)
+  printMovieInfo ## print out the data
+fi