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Do not treat parts of the filename that contain punctuation or other
non-alphanumeric characters as extensions. Before, such characters were
filtered out.
Note that in 38bd7ca3cce455c20edcee656c706939087c6a69 "foo.ba__________r"
was munged to ".bar" and so incorrectly treated as an extension. That was
fixed by changing the filter order, but not allowing punctuation seems a
better fix.
This assumes that extensions containing punctuation are rare. "_" seems the
most likely character; I used it in ikiwiki "._comment" files. But I can't
recall seeing it anywhere else. It certianly seems that no commonly used
extensions contain punctuation. If git-annex doesn't treat "._comment"
as an extension, it's not likely to break software that expects to see that
extension like some software expects to see .epub or .mp3.
This commit was sponsored by Jack Hill on Patreon.
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This avoids warnings from stack about the module not being listed in the
cabal file. So, the generated file is also renamed to Build/SysConfig.
Note that the setup program seems to be cached despite these changes; I
had to cabal clean to get cabal to update it so that Build/SysConfig was
written.
This commit was sponsored by Jochen Bartl 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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Building with that library made git-annex not support SHA3; it's time for
that to always be supported in case SHA2 dominoes.
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Where before the "name" of a key and a backend was a string, this makes
it a concrete data type.
This is groundwork for allowing some varieties of keys to be disabled
in file2key, so git-annex won't use them at all.
Benchmarks ran in my big repo:
old git-annex info:
real 0m3.338s
user 0m3.124s
sys 0m0.244s
new git-annex info:
real 0m3.216s
user 0m3.024s
sys 0m0.220s
new git-annex find:
real 0m7.138s
user 0m6.924s
sys 0m0.252s
old git-annex find:
real 0m7.433s
user 0m7.240s
sys 0m0.232s
Surprising result; I'd have expected it to be slower since it now parses
all the key varieties. But, the parser is very simple and perhaps
sharing KeyVarieties uses less memory or something like that.
This commit was supported by the NSF-funded DataLad project.
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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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Filter out over-long "extensions" before stripping out non-alphanumerics
from them, so that eg "foo.ba__________r" is not considered a .bar
extension.
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of numeric values.
Similarly (well, for free), support preferred content expressions like
metadata=field<number and metadata=field>number
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This reverts commit d11b032bd86ebe69f1d08e382bd83370db8ea9b9.
This seems to have caused a memory leak.
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Fixes a minor fd leak, never more than 1 in normal use,
which broke the test suite when I tried to write to
a file that was still open for a previous hashing.
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sideAction is for things not generally related to the current action being
performed. And, it adds a newline after the side action. This was not the
right thing to use for stuff like "checksum", where doing a checksum is
part of the git annex get process, and indeed we want it to display
"(checksum...) ok"
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No behavior changes.
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using the cryptonite library.
While cryptohash has SHA3 support, it has not been updated for the final
version of the spec. Note that cryptonite has not been ported to all arches
that cryptohash builds on yet.
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now moved to the bad directory, and the fsck proceeds. Before, the fsck immediately failed.
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This way, if a system's sha1sum etc is broken, it will be tried if
git-annex was built to use it, but at least it will fall back to using
internal hashing when it fails.
A side benefit of this is that hashFile consistently throws an IOError if
the file is unable to be read. In particular, if the disk is failing with
IO errors, and external hash command is used, it used to throw a user error
with the error message from externalSHA. Now, the external hash command
will fail, that message will be printed as a warning, and it'll fall back
to the internal hash command. If the disk IO error is not intermittent, it
will re-occur, and so an IOError will be thrown.
Of course, this can mean it reads a file twice, but only in edge cases.
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This will prevent backporting to wheezy, but it's time to simplify the
code.
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Avoid using fileSize which maxes out at just 2 gb on Windows.
Instead, use hFileSize, which doesn't have a bounded size.
Fixes support for files > 2 gb on Windows.
Note that the InodeCache code only needs to compare a file size,
so it doesn't matter it the file size wraps. So it has been
left as-is. This was necessary both to avoid invalidating existing inode
caches, and because the code passed FileStatus around and would have become
more expensive if it called getFileSize.
This commit was sponsored by Christian Dietrich.
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This fixes all instances of " \t" in the code base. Most common case
seems to be after a "where" line; probably vim copied the two space layout
of that line.
Done as a background task while listening to episode 2 of the Type Theory
podcast.
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This only performs some basic tests so far; no testing of chunking or
resuming. Also, the existing encryption type of the remote is used; it
would be good later to derive an encrypted and a non-encrypted version of
the remote and test them both.
This commit was sponsored by Joseph Liu.
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Needed for resuming from chunks.
Url keys are considered not stable. I considered treating url keys with a
known size as stable, but just don't feel that is enough information.
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This is useful because it shows users which files it checksums, vs ones
that are not present, or don't use a hash backend, or --fast
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Note that the hash backends were made to stop printing a (checksum..)
message as part of this, since it showed up without a file when deciding
whether to act on a file. Should have probably removed that message a while
ago anyway, I suppose.
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Mostly for the debian stable autobuilds, which have a too old version
to use the Crypto.Hash module.
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SHA3 is still waiting for final standardization.
Although this is looking less likely given
https://www.cdt.org/blogs/joseph-lorenzo-hall/2409-nist-sha-3
In the meantime, cryptohash implements skein, and it's used by some of the
haskell ecosystem (for yesod sessions, IIRC), so this implementation is
likely to continue working. Also, I've talked with the cryprohash author
and he's a reasonable guy.
It makes sense to have an alternate high security hash, in case some
horrible attack is found against SHA2 tomorrow, or in case SHA3 comes out
and worst fears are realized.
I'd also like to support using skein for HMAC. But no hurry there and
a new version of cryptohash has much nicer HMAC code, so I will probably
wait until I can use that version.
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Joey Hess
Joey Hess