make the script can detect the author name automatically

haoel · haoel · commit 32ce9621155f · 2016-05-29T15:58:40.000+08:00
diff --git a/scripts/comments.sh b/scripts/comments.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-AUTHOR="Hao Chen"
+AUTHOR="NOBODY"
 LEETCODE_URL=https://leetcode.com/problems/
 LEETCODE_NEW_URL=https://leetcode.com/problems/
 LEETCODE_OLD_URL=https://oj.leetcode.com/problems/
@@ -23,6 +23,18 @@ function usage()
     echo -e ""
 }
 
+function get_author_name()
+{
+    TRUE_CMD=`which true`
+    git=`type -P git || ${TRUE_CMD}`
+    if [ ! -z "${git}" ]; then
+       AUTHOR=`git config --get user.name`
+    else 
+       AUTHOR=`whoami`
+    fi
+}
+
+
 function detect_os()
 {
     platform='unknown'
@@ -138,6 +150,9 @@ if [ ! -s $source_file ]; then
     echo "" > $source_file 
 fi
 
+#detect the author name
+get_author_name;
+
 #adding the Copyright Comments
 if  ! grep -Fq  "${COMMENT_TAG} Author :" $source_file ; then
     sed -i.bak '1i\'$'\n'"${COMMENT_TAG} Source : ${leetcode_url}"$'\n' $source_file
