partial commit for profile upgrade

profile.d/updates.sh

@@ -33,24 +33,68 @@
 # * OF SUCH DAMAGE.
 # ------------------------------------------------------------------------------
 
+export UPDT_URL="https://git.geoffray-levasseur.org/fatalerrors/profile"
+
 # ------------------------------------------------------------------------------
 # Check for profile updates
 # ------------------------------------------------------------------------------
 check_updates()
 {
+    if [[ $1 == "-q" ]]; then
+	# Quiet mode is mostly used internally when profile_upgrade is called
+	quiet=1
+    fi
     disp I "Checking for updates..."
     local vfile="/tmp/version"
     wget "$UPDT_URL/version" -O $vfile 2&>1 /dev/null || {
-	disp E "Can\'t download information file, impossible to proceed!"
+	disp E "Can\'t download version file, impossible to proceed!"
-	return 1
+	return 5
     }
     if [[ -s /tmp/version ]]; then
 	local lastver=$(cat /tmp/version)
 	if [[ $lastver != $PROFVERSION ]]; then
 	    disp I "You have version $PROFVERSION installed. Version $lastver is available."
-	    disp I "You should upgrade to last version when possible."
+	    [[ $quiet ]] && disp I "You should upgrade to last version when possible."
+	    result=0
+	else
+	    disp I "Your version is up-to-date."
+	    result=1
 	fi
+	rm -f $vfile
     else
 	disp E "Impossible to read temporary file, impossible to proceed."
     fi
+    unset lastver vfile
+    return $result
 }
+
+# ------------------------------------------------------------------------------
+# Apply update to profile
+# ------------------------------------------------------------------------------
+profile_upgrade()
+{
+    if [[ $(check_updates -q) -eq 0 ]]; then
+	if [[ -s $MYPATH/profile.sh ]]; then
+	    disp E "Installation path detection failed, cannot upgrade automatically."
+	    return 1
+	fi
+	if [[ -d $MYPATH/.git ]]; then
+	    disp I "Git installation detected, applying git pull."
+	    local curdir=$(pwd)
+	    cd $MYPATH
+	    git pull
+	    if [[ $? -ne 0 ]]; then
+		disp E "Git pull failed, upgrade not applyed."
+	    else
+		disp I "Successfully upgraded using git."
+		disp I "You should now logout and login again to enjoy new profile."
+		cd $curdir
+	    fi
+	else
+	    disp I "Applying traditionnal upgrade..."
+	    # TODO
+	fi
+    fi
+}
+
+# EOF