contributors.sh: split list of names at comma

... to support a list of names provided in a commit message.

contributors.sh

@@ -34,6 +34,7 @@ fi
 
 # filter out Author:, Commit: and *by: lines
 # cut off the email parts
+# split list of names at comma
 # cut off spaces first and last on the line
 # only count names with a space (ie more than one word)
 # sort all unique names
@@ -42,6 +43,7 @@ git log $start..HEAD | \
 egrep -i '(Author|Commit|by):' | \
 cut -d: -f2- | \
 cut '-d<' -f1 | \
+tr , '\012' | \
 sed -e 's/^ //' -e 's/ $//g' | \
 grep ' ' | \
 sort -fu |