Simplify git-graphlive (defaults to 10 commits)

Author: Joshua Wehner

git-graphlive

@@ -1,26 +1,16 @@
 #!/bin/bash
-numRegex='[0-9]+$'
-usrLen=$1
-usrTime=$2
-defLen=15
-defTime=3
 
-# Command line argument processing
-if [[ $usrLen =~ $numRegex && $usrTime =~ $numRegex ]]; then
-    # A valid number of lines and refresh rate were passed in
-else
-	# Invalid or no lines and refresh rate were provided
-	# so instead, using defaults instead.
-    usrLen=$defLen
-    usrTime=$defTime
+commits=$1
+#Defaults commits to 10
+if [ -z "$1" ];
+  then
+  commits=10
 fi
 
-# Infinite loop for displaying a portion of the graph
-# at specified refresh intervals.
+
 while :
 do
-    clear
-    git --no-pager log -$usrLen --graph --all --pretty=format:'%Cgreen%h%Creset -%C(yellow)%d%Creset %s' --abbrev-commit --date=relative
-    sleep $usrTime
+  clear
+  git --no-pager log -$commits --graph --all --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s' --abbrev-commit --date=relative
+  sleep 2
 done
-