[NOT IMP] Added internet check API

1 files changed, 20 insertions, 12 deletions

diff --git a/patcher.sh b/patcher.sh
index d256481..dce2c55 100644..100755
--- a/patcher.sh
+++ b/patcher.sh
@@ -1,21 +1,29 @@
 #!/bin/bash
 
-HEAD_NOW=''
-HEAD_PREV=''
+INET_AVAILABLE=0
 
-#<check internet>
-#
-#</check internet>
+#<check internet> handles both network and internet availability
+function check_internet() {
+	for each in {fossee.in,spoken-tutorial.org}; do
+		wget $each/robots.txt &> /dev/null
+		return_code=$?
+		[ $return_code -eq 0 ] && INET_AVAILABLE=1
+		[ $return_code -eq 4 ] && echo 'Please connect to internet!'
+		[ $return_code -eq 5 ] && echo 'Please check the system date!'
+		[ $return_code -eq 8 ] && echo 'Server error'
+	done
+	[ $INET_AVAILABLE -eq 0 ] && exit 0
+}
 
 #<fetch updates> from github and show
 function fetch_updates() {
-UPDATES=$(git fetch && \
-          comm --nocheck-order -3 \
-          <(git log --all --pretty="%H")\
-          <(git log --pretty="%H"))
-git show -s --format=%B $UPDATES
+	UPDATES=$(git fetch &> /dev/null && \
+	        comm --nocheck-order -3 \
+	        <(git log --all --pretty="%H")\
+	        <(git log --pretty="%H"))
+	git show -s --format=%B $UPDATES
 }
 
 
-
-
+check_internet
+fetch_updates