Several fixes (#38)

- GNU/Linux: fixed `install.sh`
- GNU/Linux: fixed `uninstall.sh`
- GNU/Linux: add more examples for `streamer`
- Fixed the GPG file creation!

gnu-linux/install.sh

@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/sh
 #
 # Installation script for Pombo.
 #
@@ -11,15 +11,19 @@ fi
 inst_dir=/usr/local/bin
 [ -d ${inst_dir} ] || inst_dir=/usr/local/sbin
 
-src_dir=""
-[ -f pombo.py ] || src_dir="../"
+script=$(readlink -f "$0")
+# Absolute path install.sh script is in
+src_dir=$(dirname "$script")
+# Absolute path of Pombo main dir (without trailing /)
+src_dir=$(dirname "$src_dir")
+
 
 echo "\nInstalling (verbose) ..."
 [ -f /etc/pombo.conf ] && mv -fv /etc/pombo.conf /etc/pombo.conf.$(date '+%s')
-install -v ${src_dir}pombo.conf /etc
+install -v ${src_dir}/pombo.conf /etc
 echo "« chmod 600 /etc/pombo.conf »"
 chmod 600 /etc/pombo.conf
-install -v ${src_dir}pombo.py ${inst_dir}/pombo
+install -v ${src_dir}/pombo.py ${inst_dir}/pombo
 echo "« chmod +x ${inst_dir}/pombo »"
 chmod +x ${inst_dir}/pombo
 
@@ -43,12 +47,13 @@ echo "Done."
 
 echo "\nChecking dependancies ..."
 ok=1
-for package in python gpg ifconfig iwlist traceroute streamer; do
+
+for package in python gpg ifconfig iwlist traceroute streamer; do    
     test=$(which ${package})
-    [ $? != 0 ] && echo " ! ${package} needed but not installed." && ok=0
+    [ $? != 0 ] && echo " ! ${test}.... ${package} needed but not installed." && ok=0
 done
-python check-imports.py
-[ $? != 0 ] && ok=0
+echo "Shell script uses Python $(python --version)"
+python ${src_dir}/tools/check-imports.py
 case ${ok} in
     1) echo "Done." ;;
     *) echo "Please install necessary tools before continuing." ;;

gnu-linux/uninstall.sh

@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/sh
 #
 # Uninstallation script for Pombo.
 #

pombo.conf

@@ -131,6 +131,8 @@ screenshot=yes
 ; Take webcam shot?
 ; <filepath> will be replaced by a filename, do not customize (required).
 ; [W] yes or no
+; [L] /usr/bin/streamer -q -t 1 -r 2 -o  <filepath>
+; [L] /usr/bin/streamer -q -t 1 -r 2 -j 100 -s 640x480 -o <filepath>
 ; [L] /usr/bin/streamer -q -w 3 -o <filepath>
 ; [L] /usr/bin/streamer -q -j 100 -w 3 -s 640x480 -o <filepath>
 ; [L] /usr/bin/gst-launch -q v4l2src num_buffers=1 decimate=70 ! pngenc ! filesink location=<filepath>

pombo.py

@@ -699,9 +699,9 @@ def snapshot(self, current_ip):
                     "-r",
                     self.configuration["gpgkeyid"],
                     "-o",
-                    output,
-                    "-e",
                     output + ".gpg",
+                    "-e",
+                    output,
                 ]
             )