| Commit message (Collapse) | Author | Age |
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They are handled close the same as they are by git. However, unlike git,
git-annex sometimes needs to pass the -n parameter when using these.
So, this has the potential for breaking some setup, and perhaps there ought
to be a ANNEX_USE_GIT_SSH=1 needed to use these. But I'd rather avoid that
if possible, so let's see if anyone complains.
Almost all places where "ssh" was run have been changed to support the env
vars. Anything still calling sshOptions does not support them. In
particular, rsync special remotes don't. Seems that annex-rsync-transport
already gives sufficient control there.
(Fixed in passing: Remote.Helper.Ssh.toRepo used to extract
remoteAnnexSshOptions and pass them to sshOptions, which was redundant
since sshOptions also extracts those.)
This commit was sponsored by Jeff Goeke-Smith on Patreon.
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To prevent any further mistakes like 1a497cefb47557f0b4788c606f9071be422b2511
This commit was sponsored by Francois Marier on Patreon.
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searching for the program in the PATH.
findShellCommand needs a full path to a file in order to check it for a
shebang on Windows. It was being run with only the base name of the external
special remote program, which would only work when it was in the current
directory.
This is why users in
https://github.com/DanielDent/git-annex-remote-rclone/pull/10 and elsewhere
were complaining that the previous improvements to git-annex didn't make
git-remote-rclone work on Windows.
Also, reworked checkearlytermination, which while it worked, seemed
to rely on a race condition. And, improved its error messages.
This commit was sponsored by Shane-o on Patreon.
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sync: When syncing with a local repository located on a crippled
filesystem, run the post-receive hook there, since it wouldn't get run
otherwise. This makes pushing to repos on FAT-formatted removable drives
update them when receive.denyCurrentBranch=updateInstead.
Made Remote.Git export onLocal, which was cleaned up to not have so many
caveats about its use.
This commit was sponsored by Jeff Goeke-Smith on Patreon.
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I have not seen any other coprocesses being started, but let's avoid
problems if any do for whatever reason.
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... to avoid it consuming stdin that it shouldn't.
This fixes git-annex-checkpresentkey --batch remote, which didn't output
results for all keys passed into it.
Other git-annex commands that communicate with a remote over ssh may also
have been consuming stdin that they shouldn't have, which could have
impacted using them in eg, shell scripts. For example, a shell script
reading files from stdin and passing them to git annex drop would be
impacted by this bug, whenever git annex drop ran git-annex-shell
checkpresent, it would consume part/all of the stdin that the shell script
was supposed to consume.
Fixed by adding a ConsumeStdin parameter to Annex.Ssh.sshOptions, which
is used throughout git-annex to run ssh (in order for ssh connection
caching to work). Every call site was checked to see if it used
CreatePipe for stdin, and if not was marked NoConsumeStdin.
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The check was broken in two ways.. First, nowhere did it error out when
checkUUIDFile found a different UUID already in the file. Instead,
it overwrote the uuid file.
And, checkUUIDFile's implementation was for some reason always failing with
a ConnectionClosed exception. Apparently something to do with using two
different runResourceT's and a response getting GCed inbetween. I'm pretty
sure that used to work, but changed to a more obviously correct
implementation.
This commit was sponsored by Peter Hogg on Patreon.
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Most remotes have an idempotent setup that can be reused for
enableremote, but in a few cases, it needs to tell which, and whether
a UUID was provided to setup was used.
This is groundwork for making initremote be able to provide a UUID.
It should not change any behavior.
Note that it would be nice to make the UUID always be provided to setup,
and make setup not need to generate and return a UUID. What prevented
this simplification is Remote.Git.gitSetup, which needs to reuse the
UUID of the git remote when setting it up, and so has to return that
UUID.
This commit was sponsored by Thom May on Patreon.
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Turns out that Data.List.Utils.split is slow and makes a lot of
allocations. Here's a much simpler single character splitter that behaves
the same (even in wacky corner cases) while running in half the time and
75% the allocations.
As well as being an optimisation, this helps move toward eliminating use of
missingh.
(Data.List.Split.splitOn is nearly as slow as Data.List.Utils.split and
allocates even more.)
I have not benchmarked the effect on git-annex, but would not be surprised
to see some parsing of eg, large streams from git commands run twice as
fast, and possibly in less memory.
This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
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prefer transferring data from special remotes when possible.
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This is a big scary change. I have convinced myself it should be safe. I
hope!
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Since https://github.com/aristidb/aws/issues/206 is resolved, this
constraint is no longer necessary. However, http-conduit (>=2.2.0)
requires http-client (>=0.5.0) which introduces some breaking changes.
This commit also implements those changes depending on the version.
Fixes: https://git-annex.branchable.com/bugs/Build_with_aws_head_fails/
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
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The attacker could just send a very lot of data, with no \n and it would
all be buffered in memory until the kernel killed git-annex or perhaps OOM
killed some other more valuable process.
This is a low impact security hole, only affecting communication between
local git-annex and git-annex-shell on the remote system. (With either
able to be the attacker). Only those with the right ssh key can do it. And,
there are probably lots of ways to construct git repositories that make git
use a lot of memory in various ways, which would have similar impact as
this attack.
The fix in P2P/IO.hs would have been higher impact, if it had made it to a
released version, since it would have allowed DOSing the tor hidden
service without needing to authenticate.
(The LockContent and NotifyChanges instances may not be really
exploitable; since the line is read and ignored, it probably gets read
lazily and does not end up staying buffered in memory.)
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This does not change behavior, because an exception is thrown on
unsuccessful removal. But is clearer.
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So we get some useful error messages when things fail.
This commit was sponsored by Peter Hogg on Patreon.
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Display progress meter on send and receive from remote.
Added a new hGetMetered that can read an exact number of bytes (or
less), updating a meter as it goes.
This commit was sponsored by Andreas on Patreon.
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This commit was sponsored by Thom May on Patreon.
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In case the repo on the peer changes uuid (eg by a new repo being moved
into place).
Also, added some warning messages when unable to communicate with a
peer.
This commit was sponsored by Anthony DeRobertis on Patreon.
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Not tested at all, but it just might work.
Only known problem is that progress is not updated when storing to a P2P
remote.
This commit was sponsored by Nick Daly on Patreon.
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Similar to GCrypt remotes, P2P remotes have an url, so Remote.Git has to
separate them out and handle them, passing off to Remote.P2P.
This commit was sponsored by Ignacio on Patreon.
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This changes the environment variable name to the more generic
GIT_ANNEX_P2P_AUTHTOKEN.
This commit was sponsored by andrea rota.
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All other exceptions are let through, but IO errors accessing the handle
are to be expected, so quietly ignore.
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git upload-pack makes some uncessary writes in sequence, this tries to
gather them together to avoid needing to send multiple DATA packets when
just one will do.
In a small pull, this reduces the average number of DATA packets from
4.5 to 2.5.
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Still a couple bugs:
* Closing the connection to the server leaves git upload-pack /
receive-pack running, which could be used to DOS.
* Sometimes the data is transferred, but it fails at the end, sometimes
with:
git-remote-tor-annex: <socket: 10>: commitBuffer: resource vanished (Broken pipe)
Must be a race condition around shutdown.
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service.
Almost working, but there's a bug in the relaying.
Also, made tor hidden service setup pick a random port, to make it harder
to port scan.
This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
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Tested it in ghci a little now.
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This is most of the way to having the p2p protocol working over tor
hidden services, at least enough to do git push/pull.
The free monad was split into two, one for network operations and the
other for local (Annex) operations. This will allow git-remote-tor-annex
to run only an IO action, not needing the Annex monad.
This commit was sponsored by Remy van Elst on Patreon.
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A bit tricky since Proto doesn't support threads. Rather than adding
threading support to it, ended up using a callback that waits for both
data on a Handle, and incoming messages at the same time.
This commit was sponsored by Denis Dzyubenko on Patreon.
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Is content locking needed in the P2P protocol? Based on re-reading
bugs/concurrent_drop--from_presence_checking_failures.mdwn,
I think so: Peers can form cycles, and multiple peers can all be trying
to drop the same content.
So, added content locking to the protocol, with some difficulty.
The implementation is fine as far as it goes, but note the warning
comment for lockContentWhile -- if the connection to the peer is dropped
unexpectedly, the peer will then unlock the content, and yet the local
side will still think it's locked.
To be honest I'm not sure if Remote.Git's lockKey for ssh remotes
doesn't have the same problem. It checks that the
"ssh remote git-annex-shell lockcontent"
process has not exited, but if the connection closes afer that check,
the lockcontent command will unlock it, and yet the local side will
still think it's locked.
Probably this needs to be fixed by eg, making lockcontent catch any
execptions due to the connection closing, and in that case, wait a
significantly long time before dropping the lock.
This commit was sponsored by Anthony DeRobertis on Patreon.
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Using SUCCESS to mean the content is present and FAILURE to mean it's not.
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Joey Hess
Edward Betts
Alper Nebi Yasak