install.sh

   1 #! /usr/bin/sh
   2
   3 # Needs to be updated each version bump
   4 VERSION="0.1.5"
   5
   6 DOWNLOAD_LOCATION="/tmp/ouch"
   7 INSTALLATION_LOCATION="/usr/bin/ouch"
   8 REPO_URL="https://github.com/vrmiguel/ouch"
   9
  10 abort() {
  11     echo "error occurred, aborting." ; exit 1
  12 }
  13
  14 # Panicks script if anything fails
  15 set -e
  16
  17 echo "Ouch v$VERSION."
  18
  19 printf "Detected system: "
  20 # System detection from https://stackoverflow.com/a/27776822/9982477
  21 # Go there to see a full table of what `uname -s` might output
  22 case "$(uname -s)" in
  23     Darwin)
  24         system_suffix="-macOS"
  25         echo "Mac OS X."
  26     ;;
  27
  28     Linux)
  29         echo "Linux."
  30         system_suffix="-ubuntu-18.04-glibc"
  31     ;;
  32
  33     CYGWIN*|MINGW32*|MSYS*|MINGW*)
  34         echo "Windows."
  35         system_suffix=".exe"
  36     ;;
  37
  38     *)
  39         echo "ERROR."
  40         echo "This script only works for installing on Linux, Mac OS and Windows."
  41         echo "We found '$(uname -s)' instead."
  42         echo ""
  43         echo "To install 'ouch' you can opt for other installation method"
  44         echo "listed at $REPO_URL"
  45         echo ""
  46         echo "If you think this is an error, please open an issue"
  47         exit 1
  48     ;;
  49 esac
  50
  51 binary_url="https://github.com/vrmiguel/ouch/releases/download/${VERSION}/ouch${system_suffix}"
  52
  53 echo ""
  54
  55 if [ -f "$DOWNLOAD_LOCATION" ]; then
  56     echo "Reusing downloaded binary at '$DOWNLOAD_LOCATION'."
  57 else
  58     echo "Downloading binary to '$DOWNLOAD_LOCATION' with curl."
  59     echo "From $binary_url"
  60     curl -fSL $binary_url -o $DOWNLOAD_LOCATION
  61 fi
  62
  63 echo ""
  64
  65 if [ "$USER" = "root" ]; then
  66     echo "Detected root user, trying to copy $DOWNLOAD_LOCATION to $INSTALLATION_LOCATION."
  67     cp $DOWNLOAD_LOCATION $INSTALLATION_LOCATION || abort
  68 else
  69     echo "Asking for \"sudo\" permissions to finish installation."
  70     echo "Permission is needed to copy '$DOWNLOAD_LOCATION' to '$INSTALLATION_LOCATION'"
  71
  72     sudo cp $DOWNLOAD_LOCATION $INSTALLATION_LOCATION || abort
  73 fi
  74
  75 echo ""
  76
  77 echo "Successfully installed!"
  78 echo "See $REPO_URL for usage instructions."