Please describe the problem.

I am basically having issues with git annex uninit

What steps will reproduce the problem?

$ git init localrepo
Initialized empty Git repository in /Users/w/work/temp/test/localrepo/.git/
$ cd localrepo
$ git annex init
init  ok
(recording state in git...)
$ git annex uninit
fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
Deleted branch git-annex (was 98f3795).

Now if I add a local file I get a different error

$ git init localrepo
Initialized empty Git repository in /Users/w/work/temp/test/localrepo/.git/
$ cd localrepo
$ git annex init
init  ok
(recording state in git...)
$ date > secret_file
$ git annex add secret_file
add secret_file ok
(recording state in git...)
$ git commit -am "added"
[master (root-commit) a2e1882] added
 1 file changed, 1 insertion(+)
 create mode 120000 secret_file
$ git annex sync
commit  
On branch master
nothing to commit, working directory clean
ok
$ git annex uninit
unannex secret_file ok
Deleted branch git-annex (was 6a727da).
git-annex: failed to commit changes to sqlite database: Just SQLite3 returned ErrorCan'tOpen while attempting to perform open ".git/annex/keys/db".
CallStack (from HasCallStack):
  error, called at ./Database/Handle.hs:111:26 in main:Database.Handle

What version of git-annex are you using? On what operating system?

$ brew info git-annex
git-annex: stable 6.20160527 (bottled), HEAD
Manage files with git without checking in file contents
https://git-annex.branchable.com/
/usr/local/Cellar/git-annex/6.20160527 (104 files, 87.0M) *
  Poured from bottle on 2016-06-06 at 15:36:47
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/git-annex.rb
==> Dependencies
Build: ghc ✘, cabal-install ✘, pkg-config ✔
Required: gsasl ✔, libidn ✔, libmagic ✔, gnutls ✘, quvi ✔
==> Options
--with-git-union-merge
    Build the git-union-merge tool
--HEAD
Install HEAD version

Please provide any additional information below.

# If you can, paste a complete transcript of the problem occurring here.
# If the problem is with the git-annex assistant, paste in .git/annex/daemon.log


# End of transcript or log.

Have you had any luck using git-annex before? (Sometimes we get tired of reading bug reports all day and a lil' positive end note does wonders)

I am super excited about what I can do with git-annex. I hope to setup and maintain encrypted repo(s) of some of my files, and access them by cloning a local copy of the encrypted repo and getting the files I want, using them, and then deleting the local copy.

fixed --Joey