git-graph: add usage message
authorTony Finch <dot@dotat.at>
Thu, 23 Apr 2015 16:30:18 +0000 (17:30 +0100)
committerTony Finch <dot@dotat.at>
Thu, 23 Apr 2015 16:30:18 +0000 (17:30 +0100)
commitcb209060af74b34b91cea8a7b2471177de851fbc
treea4cc0fc146c6ef19e5706a2af843a4a3c14bc9b7
parentdcf5f346a746f500cb7bf7aebc0bbbd4e92be96c
git-graph: add usage message
git-graph