Properly detect that HEAD is detached
authorKarl Hasselström <kha@treskal.com>
Mon, 8 Oct 2007 05:15:33 +0000 (07:15 +0200)
committerKarl Hasselström <kha@treskal.com>
Mon, 8 Oct 2007 07:26:40 +0000 (09:26 +0200)
We still error out on a lot of places we shouldn't, e.g. "stg branch"
when on a detached HEAD, but at least now we give a sane error
message.

Signed-off-by: Karl Hasselström <kha@treskal.com>

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