Now when one repository has exported a tree, another repository can get
files from the export, after syncing.
There's a bug: While the database update works, somehow the database on
disk does not get updated, and so the database update is run the next
time, etc. Wasn't able to figure out why yet.
This commit was sponsored by Ole-Morten Duesund on Patreon.
New table needed to look up what filenames are used in the currently
exported tree, for reasons explained in export.mdwn.
Also, added smart constructors for ExportLocation and ExportDirectory to
make sure they contain filepaths with the right direction slashes.
And some code refactoring.
This commit was sponsored by Francois Marier on Patreon.
There does not seem to be a use case for supporting that, and it would
need a lot of complication to support it in a way that allows eventual
consistency when two repositories are updating the same export.
This commit was sponsored by Henrik Riomar on Patreon.
Apparently box.com renaming is just buggy. I tried a couple of fixes:
* In case the http Manager was opening multiple connections and reaching
different backend servers, I tried limiting the number of connections
to 1. Didn't help.
* To make sure it was not a http connection reuse problem, I tried
rewriting how exportAction works, so that the same http connection
is clearly open. Didn't help.
So, disable renaming of exports for box.com. It would be good to test it
with some other webdav server.
This commit was sponsored by John Peloquin on Patreon.
It was not getting old lines removed, because the tree graft confused
the updater, so it union merged from the previous git-annex branch,
which still contained the old lines. Fixed by carefully using setIndexSha.
This commit was supported by the NSF-funded DataLad project.
This breaks backwards compatibility, but only with unreleased versions of
git-annex, which I think is acceptable.
This commit was supported by the NSF-funded DataLad project.
Removal works, only derives are a potential issue, so allow removing
with a warning. This way, unexporting a file works, and behavior is
consistent with IA remotes whether or not exporttree=yes.
Also tested exporting filenames containing unicode, spaces, underscores.
All worked, despite the IA's faq saying it doesn't.
This commit was sponsored by Trenton Cronholm on Patreon.
It opens a http connection per file exported, but then so does git
annex copy --to s3.
Decided not to munge exported filenames for IA. Too large a chance of
the munging having confusing results. Instead, export of files not
supported by IA, eg with spaces in their name, will fail.
This commit was supported by the NSF-funded DataLad project.
Only rename when actually ncessary.
The diff gets buffered in memory. Probably git has to buffer a diff in
memory when generating it as well, so this memory usage should not be a
problem, even when the diff is very large. I hope.
This commit was supported by the NSF-funded DataLad project.
Don't allow "exporttree=yes" to be set when the special remote
does not support exports. That would be confusing since the user would
set up a special remote for exports, but `git annex export` to it would
later fail.
This commit was supported by the NSF-funded DataLad project.
The export database has writes made to it and then expects to read back
the same data immediately. But, the way that Database.Handle does
writes, in order to support multiple writers, makes that not work, due
to caching issues. This resulted in export re-uploading files it had
already successfully renamed into place.
Fixed by allowing databases to be opened in MultiWriter or SingleWriter
mode. The export database only needs to support a single writer; it does
not make sense for multiple exports to run at the same time to the same
special remote.
All other databases still use MultiWriter mode. And by inspection,
nothing else in git-annex seems to be relying on being able to
immediately query for changes that were just written to the database.
This commit was supported by the NSF-funded DataLad project.
Straightforward enough, except for the needed belt-and-suspenders sanity
checks to avoid foot shooting due to exports not being key/value stores.
* Even when annex.verify=false, always verify from exports.
* Only get files from exports that use a backend that supports
checksum verification.
* Never trust exports, even if the user says to, because then
`git annex drop` would drop content if the export seemed to contain
a copy.
This commit was supported by the NSF-funded DataLad project.
Removed uncorrect UniqueKey key in db schema; a key can appear multiple
times with different files.
The database has to be flushed after each removal. But when adding files
to the export, lots of changes are able to be queued up w/o flushing.
So it's still fairly efficient.
If large removals of files from exports are too slow, an alternative
would be to make two passes over the diff, one pass queueing deletions
from the database, then a flush and the a second pass updating the
location log. But that would use more memory, and need to look up
exportKey twice per removed file, so I've avoided such optimisation yet.
This commit was supported by the NSF-funded DataLad project.
* Only export to remotes that were initialized to support it.
* Prevent storing key/value on export remotes.
* Prevent enabling exporttree=yes and encryption in the same remote.
SetupStage Enable was changed to take the old RemoteConfig.
This allowed only setting exporttree when initially setting up a
remote, and not configuring it later after stuff might already be stored
in the remote.
Went with =yes rather than =true for consistency with other parts of
git-annex. Changed docs accordingly.
This commit was supported by the NSF-funded DataLad project.
Make a pass over the whole exported tree, and upload anything that has
not yet reached the export. Update location log when exporting.
Note that the synthesized keys for non-annexed files are stored in the
location log too.
Some cases involving files in the tree with the same content are not
handled correctly yet.
This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
Cryptonite is faster and allocates less, and I want to get rid of
MissingH use.
Note that the new dependency on memory is free; it's a dependency of
cryptonite.
This commit was supported by the NSF-funded DataLad project.
Unlike git add -u, git annex add -u does not update the index for files
removed from the working tree. But then, "git add ." stages removals,
and "git annex add ." does not, so that's an existing divergence.
Seems that --update --batch would need to run git ls-files once per line of
batch input, which would surely be too slow, so just throw an error for
that.
This commit was supported by the NSF-funded DataLad project.
* init: When annex.securehashesonly has been set with git-annex config,
copy that value to the annex.securehashesonly git config.
* config --set: As well as setting value in git-annex branch,
set local gitconfig. This is needed especially for
annex.securehashesonly, which is read only from local gitconfig and not
the git-annex branch.
doc/todo/sha1_collision_embedding_in_git-annex_keys.mdwn has the
rationalle for doing it this way. There's no perfect solution; this
seems to be the least-bad one.
This commit was supported by the NSF-funded DataLad project.
Yesterday's SHA1 collision attack could be used to generate eg:
SHA256-sfoo--whatever.good
SHA256-sfoo--whatever.bad
Such that they collide. A repository with the good one could have the
bad one swapped in and signed commits would still verify.
I've already mitigated this.
I am not happy that I had to put backend-specific code in file2key. But
it would be very difficult to avoid this layering violation.
Most of the time, when parsing a Key from a symlink target, git-annex
never looks up its Backend at all, so adding this check to a method of
the Backend object would not work.
The Key could be made to contain the appropriate
Backend, but since Backend is parameterized on an "a" that is fixed to
the Annex monad later, that would need Key to change to "Key a".
The only way to clean this up that I can see would be to have the Key
contain a LowlevelBackend, and put the validation in LowlevelBackend.
Perhaps later, but that would be an extensive change, so let's not do
it in this commit which may want to cherry-pick to backports.
This commit was sponsored by Ethan Aubin.
* Run curl with -S, so HTTP errors are displayed, even when
it's otherwise silent.
* When downloading in --json or --quiet mode, use curl in preference
to wget, since curl is able to display only errors to stderr, unlike
wget.
This does mean that downloadQuiet is only silent on stdout, not necessarily
on stderr, which affects a couple other calls of it. For example,
downloading the .git/config of a http remote may show an error message now,
perhaps with slightly suboptimal formatting due to other output.
This adds one extra line of output when a download is successful,
after the progress bar. I don't much like that, but wget does not provide a
way to show HTTP errors without it.
I've seen this thing, whatever it is, mentioned in spam links before,
so even if it's valid for some OS (probably not the one being asked
about), it's verboten here.
config group groupwanted numcopies schedule wanted required: Avoid
displaying extraneous messages about repository auto-init, git-annex branch
merging, etc, when being used to get information.
By displaying error messages from the remote then it fails to update
its checked out branch.
Error messages in the default receive.denyCurrentBranch are still
suppressed, which matches user expectations.
This commit was sponsored by Nick Daly on Patreon.
This is the same as running git annex reinject --known, followed by
git-annex import. The advantage to having it in one command is that it
only has to hash each file once; the two commands have to
hash the imported files a second time.
This commit was sponsored by Shane-o on Patreon.
... to control the default behavior in all clones of a repository.
This includes a new Configurable data type, so the GitConfig type indicates
which values can be configured this way.
The implementation should be quite efficient; the config log is only read
once, and only when a Configurable value has not already been set by
git-config.
Indeed, it would be nice in the future to extend this, so that git-config
is itself only read on demand. Some commands may not need to look at the
git configuration at all.
This commit was sponsored by Trenton Cronholm on Patreon.
Argh, didn't need an accumulator here!
I think I use accumulators a lot more than I need to when recusively
processing lists..
This commit was sponsored by Jeff Goeke-Smith on Patreon.
A commit last year that made a partial function use Maybe unfortunately
caused the whole input to need to be consumed, breaking streaming. So,
revert it.
This commit was sponsored by Nick Daly on Patreon.
Any config names can be set using this; git-annex commands will only look
at specific ones that make sense and are worth the overhead of querying the
branch.
This might also be useful for storing whatever other config-type stuff the
user might want to shove into the git-annex branch.
This commit was sponsored by Jochen Bartl on Patreon.
This way we know that after enable-tor, the tor hidden service is fully
published and working, and so there should be no problems with it at
pairing time.
It has to start up its own temporary listener on the hidden service. It
would be nice to have it start the remotedaemon running, so that extra
step is not needed afterwards. But, there may already be a remotedaemon
running, in communication with the assistant and we don't want to start
another one. I thought about trying to HUP any running remotedaemon, but
Windows does not make it easy to do that. In any case, having the user
start the remotedaemon themselves lets them know it needs to be running
to serve the hidden service.
This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
