update-copyright-tests: improve portability
authorJoel E. Denny <jdenny@clemson.edu>
Wed, 5 Aug 2009 14:03:10 +0000 (10:03 -0400)
committerJim Meyering <meyering@redhat.com>
Wed, 5 Aug 2009 21:58:05 +0000 (23:58 +0200)
commit9b8fb611671c1f6d7563d9dd3b3351ac24f9aaa0
tree16b71c9ee1d955049b66ef38c47f7726b7a9ca29
parent8bdaa78f311ff9e5e03ff37ee5f546af14913802
update-copyright-tests: improve portability

* tests/test-update-copyright.sh: Use cmp if diff cannot handle
-u or /dev/null.  Suggested by Jim Meyering and Eric Blake.
ChangeLog
tests/test-update-copyright.sh