Merge pull request #8 from mportizlunyov/v2.1.2

V2.1.2

README.md

@@ -1,4 +1,4 @@
-## Welcome to Update_Full-UNIX (2.0.2)!
+## Welcome to Update_Full-UNIX (2.1.2)!
 
 Update_Full is a suite of Free & Open-Source scripts written in several shell scripts that allows for simple, customisable, and full updating of a wide variety of Operating Systems through their respective package managers.
 

uf-install.sh

@@ -0,0 +1,88 @@
+# Written by Mikhail P. Ortiz-Lunyov
+#
+# Updated August 19th 2024
+# This script is licensed under the GNU Public License Version 3 (GPLv3).
+# More information about license in readme and bottom.
+
+
+# Critical variables
+INSTALLATION_FOLDER_GENERAL="/opt/update_full/"
+INSTALLATION_FOLDER_UNIX="/opt/update_full/uf-unix/"
+
+# Prints noroot message
+NoRootMessage() {
+  # Alerts user to lack of root execution
+  printf "\e[1mMISSING ROOT!\e[0m\n"
+  # Gives user advices for intended use
+  echo "Update_Full is intended to be used by sysadmins and others authorized to update Linux and UNIX-based systems."
+  echo "As such, it is best for the script to have limited writing and executing permissions."
+  echo "This first setup script changes the script's permission."
+  echo ""
+  echo "As such, this script needs to be executed as root to improve the update_full's permissions."
+  exit 1
+}
+
+# Checks for root user
+RootCheck() {
+  # Check whoami command
+  case "$(whoami)" in
+    "root") ;;
+    *) NoRootMessage ;;
+  esac
+  # Check UID
+  case "$UID" in
+    "0") ;;
+    *) NoRootMessage ;;
+  esac
+  # Check groups command
+  case "$(groups)" in
+    "sudo"|"wheel"|"root") ;;
+    *) NoRootMessage ;;
+  esac
+}
+
+# Create a new install in /opt
+## If needed, create new folder/subfolder
+CreateInstall() {
+  # Check what type of operation
+  case "$1" in
+    "fresh") mkdir $INSTALLATION_FOLDER_GENERAL ; mkdir $INSTALLATION_FOLDER_UNIX ;;
+    "subfolder") mkdir $INSTALLATION_FOLDER_UNIX ;;
+    "update") rm $INSTALLATION_FOLDER_UNIX/* ;;
+    *) echo "@@ INTERNAL ERROR, check CreateInstall arg [$1] @@" ;;
+  esac
+  # Copy local files, including script
+  cp "./update_full-unix.sh" "$INSTALLATION_FOLDER_UNIX"
+  cp "./README.md" "$INSTALLATION_FOLDER_UNIX"
+  cp "./CHANGELOG.txt" "$INSTALLATION_FOLDER_UNIX"
+  cp "./SECURITY.md" "$INSTALLATION_FOLDER_UNIX"
+  cp -v -s "$INSTALLATION_FOLDER_UNIX/update_full-unix.sh" "/bin/update_full-unix" > /dev/null 2>&1
+
+  # Set executable permission for symbolic link
+  chmod +x /bin/update_full-unix
+}
+
+
+# Main
+## Check for root
+RootCheck # Anything after this point is confirmed as root
+## Check for pre-existing installation
+### Check folder
+if [ -d "$INSTALLATION_FOLDER_GENERAL" ] ; then
+  # Check subfolder
+  if [ -d "$INSTALLATION_FOLDER_UNIX" ] ; then
+    echo "* All previous folders [ $INSTALLATION_FOLDER_UNIX ] exist, updating files"
+    CreateInstall "update"
+  else
+    echo "* General folder [ $INSTALLATION_FOLDER_GENERAL ] EXISTS, creating fresh uf-UNIX install"
+    CreateInstall "subfolder"
+  fi
+else
+  echo "* FRESH install of Update_Full-UNIX incoming!"
+  CreateInstall "fresh"
+fi
+
+# Update_full-unix.sh  Copyright (C) 2024  Mikhail P. Ortiz-Lunyov (mportizlunyov)
+#   This program comes with ABSOLUTELY NO WARRANTY; for details add argument `-w' or `--warranty'.
+#   This is free software, and you are welcome to redistribute it
+#   under certain conditions; add argument `-c' or `--conditions' for details.