| Commit message (Collapse) | Author | Age |
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Also broke out some helper functions around constructing remotes,
to be used later.
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Make Utility.Process wrap the parts of System.Process that I use,
and add debug logging to them.
Also wrote some higher-level code that allows running an action
with handles to a processes stdin or stdout (or both), and checking
its exit status, all in a single function call.
As a bonus, the debug logging now indicates whether the process
is being run to read from it, feed it data, chat with it (writing and
reading), or just call it for its side effect.
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Test suite now passes with -threaded!
I traced back all the hangs with -threaded to System.Cmd.Utils. It seems
it's just crappy/unsafe/outdated, and should not be used. System.Process
seems to be the cool new thing, so converted all the code to use it
instead.
In the process, --debug stopped printing commands it runs. I may try to
bring that back later.
Note that even SafeSystem was switched to use System.Process. Since that
was a modified version of code from System.Cmd.Utils, it needed to be
converted too. I also got rid of nearly all calls to forkProcess,
and all calls to executeFile, which I'm also doubtful about working
well with -threaded.
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Not available on systems with shoddy getopts. Should not be necessary,
as that's rsync's default.
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This *almost* works.
Along the way, I noticed that the --uuid parameter was being accidentially
passed after the --, so that has never been actually used by
git-annex-shell to verify it's running in the expected repository. Oops. Fixed.
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In order to record a semi-useful filename associated with the key,
this required plumbing the filename all the way through to the remotes'
storeKey and retrieveKeyFile.
Note that there is potential for deadlock here, narrowly avoided.
Suppose the repos are A and B. A sends file foo to B, and at the same
time, B gets file foo from A. So, A locks its upload transfer info file,
and then locks B's download transfer info file. At the same time,
B is taking the two locks in the opposite order. This is only not a
deadlock because the lock code does not wait, and aborts. So one of A or
B's transfers will be aborted and the other transfer will continue.
Whew!
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Not including such remotes turned out to have other consequences,
including annex-truselevel git config being ignored. Instead, add guards
before each operation that might try to operate on such a repo.
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not available.
Prelude.undefined error message was introduced by
bb4f31a0ee496ffb83d31cc56f8827e47605d763.
It seems best to filter out local repositories that cannot be accessed
from the list of remotes, rather than keeping them in and making every
thing that uses the list have to deal with remotes that may have an unknown
location.
Besides fixing the error message, this also makes unavailable local
remotes' names not be shown in various messages, including in git annex
status output.
Also, move --to an unavailable local repository now avoids some ugly
errors like "changeWorkingDirectory: does not exist".
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Its truncation behavior is a red flag, so avoid using it in these places
where only raw ByteStrings are used, without looking at the data inside.
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state
This was shown redundantly for a tricky reason -- while it runs
inside a doSideAction block that would appear to supress it,
the action being run is in a different state monad; for the remote,
and so the suppression doesn't work.
Always suppressing the message when committing to a local remote is
ok do to though -- it mirrors the /dev/nulling of the git annex shell commit
output. And it turns out that any time there is a git-annex branch state
change to commit on the remote, the local repo has also had a similar
change made, and so the message has been shown already.
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The environment needs to override git-config. Changed when git config is
read, and avoid rereading it once it's been read.
chdir for both worktree settings.
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Baked into the code was an assumption that a repository's git directory
could be determined by adding ".git" to its work tree (or nothing for bare
repos). That fails when core.worktree, or GIT_DIR and GIT_WORK_TREE are
used to separate the two.
This was attacked at the type level, by storing the gitdir and worktree
separately, so Nothing for the worktree means a bare repo.
A complication arose because we don't learn where a repository is bare
until its configuration is read. So another Location type handles
repositories that have not had their config read yet. I am not entirely
happy with this being a Location type, rather than representing them
entirely separate from the Git type. The new code is not worse than the
old, but better types could enforce more safety.
Added support for core.worktree. Overriding it with -c isn't supported
because it's not really clear what to do if a git repo's config is read, is
not bare, and is then overridden to bare. What is the right git directory
in this case? I will worry about this if/when someone has a use case for
overriding core.worktree with -c. (See Git.Config.updateLocation)
Also removed and renamed some functions like gitDir and workTree that
misused git's terminology.
One minor regression is known: git annex add in a bare repository does not
print a nice error message, but runs git ls-files in a way that fails
earlier with a less nice error message. This is because before --work-tree
was always passed to git commands, even in a bare repo, while now it's not.
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annex.ssh-options, annex.rsync-options, annex.bup-split-options.
And adjust types to avoid the bugs that broke several config settings
recently. Now "annex." prefixing is enforced at the type level.
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Rsync special remotes can be configured with shellescape=no to avoid shell
quoting that is normally done when using rsync over ssh. This is known to
be needed for certian rsync hosting providers (specificially
hidrive.strato.com) that use rsync over ssh but do not pass it through the
shell.
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This option avoids gpg key distribution, at the expense of flexability, and
with the requirement that all clones of the git repository be equally
trusted.
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Allow custom headers to be sent with all HTTP requests.
(Requested by the Internet Archive)
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void :: Functor f => f a -> f () -- ah, of course that's useful :)
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Lock files, directories, etc.
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legal git refs.
Continue using the key name as bup ref name, to preserve backwards
compatability, unless it is an illegal git ref. In that case, use a sha256
of the key name instead.
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getConfig got a remote-specific config, and this confusing name caused it
to be used a couple of places that only were interested in global configs.
Rename to getRemoteConfig and make getConfig only get global configs.
There are no behavior changes here, but remote.<name>.annex-web-options
never actually worked (and per-remote web options is a very unlikely to be
useful case so I didn't make it work), so fix the documentation for it.
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Nothing at all on hackage is using <&&> or <||>.
(Also, <&&> should short-circuit on failure.)
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openSUSE patches rsync with a patch adding SIP protocol support.
https://gist.github.com/2026167
With this patch, running rsync with no hostname parameter is apparently
supposed to list SIP hosts on the network. Practically, it does nothing
and exits 0.
git-annex uses rsync in a very special way to allow git-annex-shell to be
run on the remote host, and so did not need to specify a hostname, or a
file to transfer as a rsync parameter. So it sent ":", a degenerate case of
"host:file".
But the patch cannot differentiate ":" with no host parameter
(a bug in the SIP patch surely).
Results were that getting files failed, as rsync seemed to succeed, but the
requested file failed to arrive. Also I think that sending files will
make git-annex think a file has been transferred to the remote when
really rsync does nothing.
The workaround for this buggy rsync patch is to use "dummy:" as the
hostname.
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Locking is used, so that, if there are multiple git-annex processes
using a remote concurrently, the stop hook is only run by the last
process that uses it.
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Avoids opening every chunk at once, instead streaming them in.
Not done for encrypted file retrieval yet.
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Allows showing progress bar for this last case of the directory special
remote.
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That was actually really easy. But, when getting a file from an encrypted
directory special remote, no meter can be shown, because the total file
size is not known.
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So far I've only written progress bars for sending files, not yet
receiving.
No longer uses external cp at all. ByteString IO is fast enough.
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Avoiding writing files larger than a specified size is useful on certian
things. For example, box.com has a file size limit of 100 mb. Could also
be useful on really crappy removable media.
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Added Annex.cleanup, which is a general purpose interface for adding
actions to run at the end.
Remotes with the old git-annex-shell will commit every time, and have no
commit command, so hide stderr when running the commit command.
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Now gitattributes are looked up, efficiently, in only the places that
really need them, using the same approach used for cat-file.
The old CheckAttr code seemed very fragile, in the way it streamed files
through git check-attr.
I actually found that cad8824852aa0623dc41eac02a9e2bae47d88ec4
was still deadlocking with ghc 7.4, at the end of adding a lot of files.
This should fix that problem, and avoid future ones.
The best part is that this removes withAttrFilesInGit and withNumCopies,
which were complicated Seek methods, as well as simplfying the types
for several other Seek methods that had a Backend tupled in.
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available, matches the size of the key.
If there's no Content-Length, or the key has no size, this check is not
done, but it should happen most of the time, and protect against web
content that has changed.
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Wow, triple monadic lift!
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ghc 7.4 comaplains about use of System.IO.Error to catch exceptions.
Ok, use Control.Exception, with variants specialized to only catch IO
exceptions.
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Dropping a key from a local remote ran git-annex-shell unnecessarily.
Now git-annex-shell is never used when acting on a local remote.
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Done by adding a oneshot mode, in which location log changes are written to
the journal, but not committed. Taking advantage of git-annex's existing
ability to recover in this situation.
This is used by git-annex-shell and other places where changes are made to
a remote's location log.
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This reverts commit 6da40100c99a097401fb130b63edc05b18f61249.
On closer examinaton, this change is wrong. The bup special remote
can be configured with "buprepo=", which makes it use the default
~/.bup repo. This change makes it use a different temp dir each time,
which I'm sure would not be appreciated by anyone with that
configuration.
Bup insisting in creating ~/.bup even when using a different repo
does seem like a bug in *something*, but I'm leaning toward the bug
being in bup itself.
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Joey Hess