feat: add install script

install.sh

@@ -0,0 +1,73 @@
+#!/bin/sh
+# Usage: [sudo] [BINDIR=/usr/local/bin] ./install.sh [<BINDIR>]
+#
+# Example:
+#     1. sudo ./install.sh /usr/local/bin
+#     2. sudo ./install.sh /usr/bin
+#     3. ./install.sh $HOME/usr/bin
+#     4. BINDIR=$HOME/usr/bin ./install.sh
+#
+# Default BINDIR=/usr/bin
+
+set -euf
+
+
+if [ -n "${DEBUG-}" ]; then
+    set -x
+fi
+
+: ${BINDIR:="/usr/bin"}
+
+if [ $# -gt 0 ]; then
+  BINDIR=$1
+fi
+
+_can_install() {
+  if [ ! -d "${BINDIR}" ]; then
+    mkdir -p "${BINDIR}" 2> /dev/null
+  fi
+  [ -d "${BINDIR}" ] && [ -w "${BINDIR}" ]
+}
+
+if ! _can_install && [ "$(id -u)" != 0 ]; then
+  printf "Run script as sudo\n"
+  exit 1
+fi
+
+if ! _can_install; then
+  printf -- "Can't install to %s\n" "${BINDIR}"
+  exit 1
+fi
+
+machine=$(uname -m)
+
+case $(uname -s) in
+    Linux)
+        os="Linux"
+        ;;
+    Darwin)
+        os="macOS"
+        ;;
+    *)
+        printf "OS not supported\n"
+        exit 1
+        ;;
+esac
+
+printf "Fetching latest version\n"
+latest="$(curl -sL 'https://api.github.com/repos/kha7iq/pingme/releases/latest' | grep 'tag_name' | grep --only 'v[0-9\.]\+' | cut -c 2-)"
+tempFolder="/tmp/pingme_v${latest}"
+
+printf -- "Found version %s\n" "${latest}"
+
+mkdir -p "${tempFolder}" 2> /dev/null
+printf -- "Downloading pingme_%s_%s_%s.tar.gz\n" "${latest}" "${os}" "${machine}"
+curl -sL "https://github.com/kha7iq/pingme/releases/download/v${latest}/pingme_${os}_${machine}.tar.gz" | tar -C "${tempFolder}" -xzf -
+
+printf -- "Installing...\n"
+install -m755 "${tempFolder}/pingme" "${BINDIR}/pingme"
+
+printf "Cleaning up temp files\n"
+rm -rf "${tempFolder}"
+
+printf -- "Successfully installed pingme into %s/\n" "${BINDIR}"