git dry run isn't very dry?

$ git pull origin usbmaster --dry-run
remote: Counting objects: 27, done.
remote: Compressing objects: 100% (24/24), done.
remote: Total 25 (delta 8), reused 0 (delta 0)
Unpacking objects: 100% (25/25), done.
From github.com:karlp/karlnet
 * branch            usbmaster  -> FETCH_HEAD
There are no candidates for merging among the refs that you just fetched.
Generally this means that you provided a wildcard refspec which had no
matches on the remote end.

and now, 5 seconds later...


$ git pull origin usbmaster
From github.com:karlp/karlnet
 * branch            usbmaster  -> FETCH_HEAD
Removing consumers/simple_web/README
Merge made by recursive.
 consumers/simple_web/README                        |    2 -
 consumers/web/README                               |    1 +
 consumers/web/common/jquery.flot.js                | 2119 ++++++++++++++++++++
 consumers/{simple_web => web/common}/stomp.js      |   73 +-
 consumers/web/simple_graph/README                  |   12 +
 consumers/web/simple_graph/index.html              |  127 ++
 .../{simple_web => web/simple_graph}/karlnet.js    |    0
 consumers/web/simple_graph/screenshot-rough.png    |  Bin 0 -> 48470 bytes
 consumers/web/simple_table/README                  |    7 +
 .../{simple_web => web/simple_table}/index.html    |    2 +-
 .../{simple_web => web/simple_table}/karlnet.js    |    0
 11 files changed, 2306 insertions(+), 37 deletions(-)
 delete mode 100644 consumers/simple_web/README
 create mode 100644 consumers/web/README
 create mode 100644 consumers/web/common/jquery.flot.js
 rename consumers/{simple_web => web/common}/stomp.js (71%)
 create mode 100644 consumers/web/simple_graph/README
 create mode 100644 consumers/web/simple_graph/index.html
 copy consumers/{simple_web => web/simple_graph}/karlnet.js (100%)
 create mode 100755 consumers/web/simple_graph/screenshot-rough.png
 create mode 100644 consumers/web/simple_table/README
 rename consumers/{simple_web => web/simple_table}/index.html (91%)
 rename consumers/{simple_web => web/simple_table}/karlnet.js (100%)