evo host file

evo host file/.gitignore

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+# .DS_Store files!
+.DS_Store
+
+# our build directory
+build/

evo host file/build-info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>distribution_style</key>
+	<false/>
+	<key>identifier</key>
+	<string>com.github.sphen13.evo_host_file</string>
+	<key>install_location</key>
+	<string>/</string>
+	<key>name</key>
+	<string>evo_switch-${version}.pkg</string>
+	<key>ownership</key>
+	<string>recommended</string>
+	<key>postinstall_action</key>
+	<string>none</string>
+	<key>suppress_bundle_relocation</key>
+	<true/>
+	<key>version</key>
+	<string>1.0</string>
+</dict>
+</plist>

evo host file/payload/Library/LaunchDaemons/evo-host.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN"
+        "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+		<key>Disabled</key>
+		<false/>
+		<key>Label</key>
+		<string>evo-host</string>
+		<key>ProgramArguments</key>
+		<array>
+			<string>/Library/Scripts/evo-host.sh</string>
+		</array>
+		<key>WatchPaths</key>
+		<array>
+			<string>/etc/resolv.conf</string>
+			<string>/Library/Preferences/SystemConfiguration/NetworkInterfaces.plist</string>
+			<string>/Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist</string>
+		</array>
+		<key>RunAtLoad</key>
+		<true/>
+</dict>
+</plist>

evo host file/payload/Library/Scripts/evo-host.sh

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+#!/bin/bash
+
+ETC_HOSTS=/etc/hosts
+
+SUBNET=192.168.40
+IP=192.168.40.2
+HOSTNAME=EVO
+
+#--------
+
+removehost() {
+    echo "removing host";
+    if [ -n "$(grep $HOSTNAME /etc/hosts)" ]
+    then
+        echo "$HOSTNAME Found in your $ETC_HOSTS, Removing now...";
+        sudo sed -i".bak" "/$HOSTNAME/d" $ETC_HOSTS
+    else
+        echo "$HOSTNAME was not found in your $ETC_HOSTS";
+    fi
+}
+
+addhost() {
+    echo "adding host";
+    HOSTS_LINE="$IP\t$HOSTNAME"
+    if [ -n "$(grep $HOSTNAME /etc/hosts)" ]
+        then
+            echo "$HOSTNAME already exists : $(grep $HOSTNAME $ETC_HOSTS)"
+        else
+            echo "Adding $HOSTNAME to your $ETC_HOSTS";
+            sudo -- sh -c -e "echo '$HOSTS_LINE' >> /etc/hosts";
+
+            if [ -n "$(grep $HOSTNAME /etc/hosts)" ]
+                then
+                    echo "$HOSTNAME was added succesfully \n $(grep $HOSTNAME /etc/hosts)";
+                else
+                    echo "Failed to Add $HOSTNAME, Try again!";
+            fi
+    fi
+}
+
+subnetCheck=$(ifconfig | grep $SUBNET)
+
+if [[ -z $subnetCheck || $subnetCheck == "" ]]; then
+  # not on edit network - remove host entry if present
+  removehost
+else
+  # on edit network - make sure host entry is present
+  addhost
+fi
+
+exit 0

evo host file/scripts/postinstall

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+#!/bin/sh
+
+# reload
+launchctl unload -w /Library/LaunchDaemons/evo-host.plist
+launchctl load -w /Library/LaunchDaemons/evo-host.plist
+
+exit 0