Composer installer

composer/composer-install.php

@@ -0,0 +1,65 @@
+#!/bin/bash
+
+#### Variables
+APT_INST="apt -y install"
+
+PKG_DEPS=(php)
+
+#### Functions
+check_root() {
+    if [ "$EUID" -ne 0 ]; then
+        echo "Must be root to run $0"
+        exit
+    fi
+}
+
+choice() {
+    echo -ne "[y/n]"
+    while true
+    do
+        read -rN1 input
+    case $input in
+        [yY][eE][sS]|[yY])
+        return 0
+
+    break
+    ;;
+        [nN][oO]|[nN])
+        return 1
+        ;;
+        esac
+    done
+}
+
+check_deps() {
+for PKG_NAME in "${PKG_DEPS[@]}"
+  do
+   if ! [ -x "$(command -v $PKG_NAME)" ]; then
+     echo "Error: $PKG_NAME is not installed." >&2
+
+     echo -ne "\nInstall $PKG_NAME ? "
+     if choice 2>/dev/null; then
+         echo -ne "\n$APT_INST $PKG_NAME\n"
+         $APT_INST $PKG_NAME
+     else
+       echo -ne "\n\nAbort install script, package $PKG_NAME is required for work composer.\n"
+       exit 1;
+     fi
+
+   fi
+  done
+}
+
+composer_install() {
+  php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+  php -r "if (hash_file('sha384', 'composer-setup.php') === 'e21205b207c3ff031906575712edab6f13eb0b361f2085f1f1237b7126d785e826a450292b6cfd1d64d92e6563bbde02') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
+  php composer-setup.php
+  php -r "unlink('composer-setup.php');"
+  mv composer.phar /usr/local/bin/composer
+}
+
+#### Main
+
+check_root
+check_deps
+composer_install