test

install/install.sh

@@ -1,24 +1,84 @@
 #!/bin/bash
 
+is_command() {
+  local check_command="$1"
+  command -v "${check_command}" >/dev/null 2>&1
+}
+
+git_update() {
+  local git_name="$1"
+  local git_path="$2"
+  local git_repo="$3"
+  if [ ! -d "$git_path" ]; then
+    echo "* Installing $git_name"
+    git clone --quiet $git_repo $git_path
+  else
+    echo "* Updating $git_name"
+    git -C $git_path pull
+  fi
+}
+
+should_apt_last_update() {
+  LAST_UPDATED=$( stat --format="%X" /var/cache/apt/pkgcache.bin )
+  UNIX_TIME=$( date +%s )
+  TIME_DIFF=$(( UNIX_TIME - LAST_UPDATED ))
+  if [[ "${TIME_DIFF}" -gt 43200 ]]
+  then
+    # 0 = true
+    return 0
+  else
+    # 1 = false
+    return 1
+  fi
+}
+
+get_pkg_mgr() {
+  if is_command apt-get ; then
+    echo "apt-get"
+  elif is_command rpm ; then
+    # Then check if dnf or yum is the package manager
+    if is_command dnf ; then
+      echo "dnf"
+    else
+      echo "yum"
+    fi
+  fi
+}
+
+install_pkg() {
+
+  # package to install
+  local pkg_to_install="$1"
+
+  # Get Command language
+  PKG_MANAGER=$( get_pkg_mgr )
+
+  # Run apt-get update for distros that use apt-get
+  if [ "$PKG_MANAGER" == "apt-get" ] ; then
+    if should_apt_last_update ; then
+      "${PKG_MANAGER} update"
+    fi
+  fi
+
+  # Install the package
+  local PKG_INSTALL=("${PKG_MANAGER}" install -y)
+
+  "${PKG_INSTALL[@]}" "${pkg_to_install}"
+}
+
 echo "Checking For git"
-if which git >/dev/null;
+if is_command git;
 then
   echo "* git Is Already Installed."
 else
   echo "* Running Update command and Installing git"
-  apt update && apt install -y git
+  install_pkg git
 fi
 
 echo "Checking for installation script"
 template_setup_path="/etc/template_setup"
 template_setup_git="https://git.deathbybandaid.net/deathbybandaid/template_setup.git"
-if [ ! -d "$template_setup_path" ]; then
-  echo "* Installing Bash Aliases"
-  git clone --quiet $template_setup_git $template_setup_path
-else
-  echo "* Updating Bash Aliases"
-  git -C $template_setup_path pull
-fi
+git_update "template_setup" "$template_setup_path" "$template_setup_git"
 
 echo "Running installation"
 bash "$template_setup_path/template_setup.sh"