Merge pull request #400 from nicolaiskogheim/fix-off-by-one

effort: don't count untouched files

bin/git-effort

@@ -62,6 +62,13 @@ effort() {
     local commit_dates
     commit_dates=`dates $file`
     [ $? -gt 0 ] && exit 255
+
+    # Ensure it's not just an empty line
+    if [ -z "`head -c 1 <<<$(echo $commit_dates)`" ]
+    then
+      exit 0
+    fi
+
     commits=`wc -l <<<"$(echo "$commit_dates")"`
     color='90'