packettracer.install


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174

pre_install() {
	remove_pt ()
	{
	if [ -e /opt/pt ]; then
	  echo "Removing old version of Packet Tracer from /opt/pt"
	  sudo rm -rf /opt/pt
	  sudo rm -rf /usr/share/applications/cisco-pt7.desktop
	  sudo rm -rf /usr/share/applications/cisco-ptsa7.desktop
	  sudo rm -rf /usr/share/icons/hicolor/48x48/apps/pt7.png
	fi
	if [ -e /opt/packettracer/ ]; then
	  echo "Removing old version of Packet Tracer from /opt/packettracer/"
	  sudo rm -rf /opt/packettracer/
	  sudo rm -rf /usr/share/applications/cisco-pt7.desktop
	  sudo rm -rf /usr/share/applications/cisco-ptsa7.desktop
	  sudo rm -rf /usr/share/icons/hicolor/48x48/apps/pt7.png
	fi
	}
}

post_install() {
	xdg-icon-resource forceupdate --theme hicolor &> /dev/null
	# update icon and file assocation
	sudo xdg-desktop-menu install /usr/share/applications/cisco-pt7.desktop
	sudo update-mime-database /usr/share/mime
	sudo gtk-update-icon-cache --force /usr/share/icons/gnome

	# sets the incoming PTDIR as a system environment variable
	# sets the Qt high resolution as a system environment variable
	# by modifying /etc/profile 
	PTDIR="/opt/packettracer/"

	# create shortcut
	sudo ln -sf $PTDIR/packettracer /usr/bin/packettracer

	# check /etc/profile for existance of PT7HOME
	PROFILE="/etc/profile" 

	# error exit if file does not exist or unreadable
	if [ ! -f $PROFILE ]; then
	   exit 1
	elif [ ! -r $PROFILE ]; then
	   exit 2
	fi

	# read contents
	CONTENTS=""
	EXPORT_EXISTS=0
	PT7HOME_EXISTS=0
	PT7HOME_FOUND=0
	EXPORT_QT_EXISTS=0
	QT_EXISTS=0
	QT_FOUND=0
	exec 3<&0
	exec 0<$PROFILE
	while IFS= read -r line
	do

	  # replace existing entries
	  PT7HOME_FOUND=$(expr match "$line" 'PT7HOME')
	  if [ "$PT7HOME_FOUND" -gt 0 ]; then
		line="PT7HOME=$PTDIR"
	        PT7HOME_EXISTS=1
	  fi

	  QT_FOUND=$(expr match "$line" 'QT_DEVICE_PIXEL_RATIO')
	  if [ "$QT_FOUND" -gt 0 ]; then
		line="QT_DEVICE_PIXEL_RATIO=auto"
	        QT_EXISTS=1
	  fi

	  # check for export statement
	  if [ $EXPORT_EXISTS -eq 0 ]; then
	      EXPORT_QT_EXISTS=$(expr match "$line" 'export QT_DEVICE_PIXEL_RATIO')
	  fi

	  if [ "$EXPORT_QT_EXISTS" -eq 0 ]; then
	      EXPORT_QT_EXISTS=$(expr match "$line" 'export QT_DEVICE_PIXEL_RATIO')
	  fi

	  #append the line to the contents
	  CONTENTS="$CONTENTS
$line"
	done
	exec 0<&3

	if [ $PT7HOME_EXISTS -eq 0 ]; then
	  CONTENTS="$CONTENTS
PT7HOME=$PTDIR"
	fi

	if [ $EXPORT_EXISTS -eq 0 ]; then
	  CONTENTS="$CONTENTS
export PT7HOME"
	fi

	if [ $QT_EXISTS -eq 0 ]; then
	  CONTENTS="$CONTENTS
QT_DEVICE_PIXEL_RATIO=auto"
	fi

	if [ $EXPORT_EXISTS -eq 0 ]; then
	  CONTENTS="$CONTENTS
export QT_DEVICE_PIXEL_RATIO"
	fi

	sudo echo -e "$CONTENTS" | sudo tee /etc/profile > /dev/null
	sudo sed '1{/^$/d}' -i /etc/profile > /dev/null

	update-desktop-database -q
}

pre_upgrade() {
	pre_install
}

post_upgrade() {
	post_install
}

post_remove() {
	xdg-icon-resource forceupdate --theme hicolor &> /dev/null
	sudo xdg-desktop-menu uninstall /usr/share/applications/cisco-pt7.desktop
	sudo xdg-desktop-menu uninstall /usr/share/applications/cisco-ptsa7.desktop
	sudo update-mime-database /usr/share/mime
	sudo gtk-update-icon-cache --force /usr/share/icons/gnome

	sudo rm -f /usr/bin/packettracer

	# check /etc/profile for existance of PT7HOME
	PROFILE="/etc/profile" 

	# error exit if file does not exist or unreadable
	if [ ! -f $PROFILE ]; then
	true
	elif [ ! -r $PROFILE ]; then
	true
	fi

	# read contents
	exec 3<&0
	exec 0<$PROFILE
	while IFS= read -r line
	do
	  PT7HOME_FOUND=$(expr match "$line" 'PT7HOME')
	  if [ "$PT7HOME_FOUND" -gt 0 ]; then
		continue
	  fi

	  QT_FOUND=$(expr match "$line" 'QT_DEVICE_PIXEL_RATIO')
	  if [ "$QT_FOUND" -gt 0 ]; then
		continue
	  fi

	  EXPORT_FOUND=$(expr match "$line" 'export PT7HOME')
	  if [ "$EXPORT_FOUND" -gt 0 ]; then
		continue
	  fi

	  EXPORT_QT_FOUND=$(expr match "$line" 'export QT_DEVICE_PIXEL_RATIO')
	  if [ "$EXPORT_QT_FOUND" -gt 0 ]; then
		continue
	  fi

	  CONTENTS="$CONTENTS
$line"
	done
	exec 0<&3

	sudo echo -e "$CONTENTS" | sudo tee /etc/profile > /dev/null
	sudo sed '1{/^$/d}' -i /etc/profile > /dev/null

	update-desktop-database -q
}