Add install script for all users

Author: 0xZDH

README.md

@@ -23,6 +23,12 @@ stop     Wed 07 Oct 2020 05:00:00 AM UTC
 
 Install one-liner: `source <(curl -s https://raw.githubusercontent.com/0xZDH/cmdw/master/install.sh)`
 
+### All Users
+
+The `install-all.sh` script will install and setup cmdw for all users on the system.
+
+One-liner: `source <(curl -s https://raw.githubusercontent.com/0xZDH/cmdw/master/install-all.sh)`
+
 ## History Size:
 If required, the user can modify the size of the maintained history file by setting CMDWSIZE as an environment variable (Default: 10,000):
 * `export CMDWSIZE=1000`

install-all.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+#######################################
+# Automate the install process for .cmdw 
+# wrapper for all users on a given system.
+#
+# Install:
+#   source <(curl -s https://raw.githubusercontent.com/0xZDH/cmdw/master/install-all.sh)
+#######################################
+
+# Validate the current terminal is Bash or Zsh.
+# Assume this is the terminal all users will use.
+[ -n "$BASH_VERSION" -o -n "$ZSH_VERSION" ] || return 0
+
+# Download cmdw.sh to our home directory. Force the file
+# to be overwritten when it exists to allow for updates
+# to be installed.
+curl -s -o "$HOME/.cmdw" \
+  -q "https://raw.githubusercontent.com/0xZDH/cmdw/master/cmdw.sh"
+
+# Identify current shell type
+[ -n "$ZSH_VERSION" ] && \
+  shell_file=".zshrc" || \
+  shell_file=".bashrc"
+
+# Identify, bsaed on system, where the user's home directories
+# are located
+if [[ "$(uname)" == "Darwin" ]]; then
+    # OS X
+    home_dir="/Users"
+else
+    # Linux
+    home_dir="/home"
+fi
+
+# Loop over all users on the system and set up cmdw for
+# each user's profile
+for user in $(ls "$home_dir"); do
+    # Ignore the 'Shared' dir on OS X systems
+    if [[ "$user" == "Shared" ]]; then
+        continue
+    fi
+
+    # Define the user's home dir
+    user_dir="$home_dir/$user"
+
+    # Copy the .cmdw script to each user's home dir
+    if [ "$HOME" != "$user_dir" ]; then
+        cp "$HOME/.cmdw" "$user_dir/"
+    fi
+
+    # Add .cmdw to each user's shell profile
+    [ ! "$( grep 'source $HOME/.cmdw' "$user_dir/$shell_file" )" ] && \
+      echo '[ -f $HOME/.cmdw ] && source $HOME/.cmdw' >> "$user_dir/$shell_file"
+
+    # Clean up
+    unset user_dir
+done
+
+# Reload our shell profile
+source "$HOME/$shell_file"
+
+# Clean up
+unset shell_file
+unset home_dir