bash script for lazy git commit -m

#Put this inside ~/.bash_profile
#Function for lazy git commiting.  
#Instead of: git commit -m "some message"  
#Type: gci some message
gci() {
if [ -z "$1" ] # Is parameter #1 zero length?
 then
   echo "You must pass a commit message like this: gci some message here  - which then becomes: git commit -m 'some message here'" 
 else
   git commit -m "$*"
 fi
}