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There is currently no GPLv4, so this change has no effect at the
moment.
In case the GPLv4 arrives and I am not alive to approve/review it,
the lesser of evils is have give blanket approval of all future GPL
versions (as published by the FSF). The worse evil is to be stuck
with a license which cannot guarantee the Free-ness of this project
in the future.
This unfortunately means the FSF can theoretically come out with
license terms I do not agree with, but the GPLv2 and GPLv3 will
always be an option to all users.
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Existing license terms (Ruby-specific) and GPLv2 remain
in place, but GPLv3 is preferred as it helps with
distribution of AGPLv3 code and is explicitly compatible
with Apache License (v2.0).
Many more reasons are documented by the FSF:
https://www.gnu.org/licenses/quick-guide-gplv3.html
http://gplv3.fsf.org/rms-why.html
ref: http://thread.gmane.org/gmane.comp.lang.ruby.unicorn.general/933
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Don't clutter up our RDoc/website with things that users
of Unicorn don't need to see. This should make user-relevant
documentation easier to find, especially since Unicorn is
NOT intended to be an API.
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They needlessly allocate Proc objects
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for i in `git ls-files '*.rb'`; do ruby -w -c $i; done
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We no longer blindly return 200 if the CGI returned another error
code. We also don't want two Status headers in our output since we
no longer filter it out.
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Rainbows! can then use this to bypass luserspace given
the correct offset is set before hand and the file
is unlinked.
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This is slightly shorter and hopefully easier to find.
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Rack 1.2 no longer requires "rack.input" objects respond
to size.
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This is allowed according to RFC 2396, section 3.3 and matches
the behavior of URI.parse, as well.
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"Object" is needless noise and some folks are annoyed by
seeing it.
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It makes life easier for people writing config.ru files for use
with Rails.
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No need to freeze them unless we're assigning new hash
values (PATH_INFO is already hashed when we assign it).
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It's compatible with both Ruby 1.8 and 1.9 without
needing a Range object.
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We've started using magic comments to ensure any strings we
create are binary instead. Additionally, ensure we create any
StringIO objects with an explicit string (which default to
binary) to ensure the StringIO object is binary. This is
because StringIO.new (with no arguments) will always use the
process-wide default encoding since it does not know about
magic comments (and couldn't, really...)
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This gives applications more rope to play with in case they have
any reasons for changing some values of the default constants.
Freezing strings for Hash assignments still speeds up MRI, so
we'll keep on doing that for now (and as long as MRI supports
frozen strings, I expect them to always be faster for Hashes
though I'd be very happy to be proven wrong...)
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This ensures any string literals that pop up in *our* code will
just be a bag of bytes. This shouldn't affect/fix/break
existing apps in most cases, but most constants will always have
the "correct" encoding (none!) to be consistent with HTTP/socket
expectations. Since this comment affects things only on a
per-source basis, it won't affect existing apps with the
exception of strings we pass to the Rack application.
This will eventually allow us to get rid of that Unicorn::Z
constant, too.
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Since Rack permits body objects to have #close called on
them, we can safely close our pipe readers immediately
instead of waiting on the GC to close them (like we do for
TeeInput tempfiles).
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Rack is autoload-based and so are we.
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"/dev/null" must be opened in binary mode for Rack-compliance.
Additionally, avoid '' to create an empty string and use
Unicorn::Z instead.
Conflicts:
lib/unicorn/app/exec_cgi.rb
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With the 1.9.2preview1 release (and presumably 1.9.1 p243), the
Ruby core team has decided that bending over backwards to
support crippled operating/file systems was necessary and that
files must be closed before unlinking.
Regardless, this is more efficient than using Tempfile because:
1) no delegation is necessary, this is a real File object
2) no mkdir is necessary for locking, we can trust O_EXCL
to work properly without unnecessary FS activity
3) no finalizer is needed to unlink the file, we unlink
it as soon as possible after creation.
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There's a small memory reduction to be had when forking
oodles of processes and the Perl hacker in me still
gets confused into thinking those are arrays...
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This change gives applications full control to deny clients
from uploading unwanted message bodies. This also paves the
way for doing things like upload progress notification within
applications in a Rack::Lint-compatible manner.
Since we don't support HTTP keepalive, so we have more freedom
here by being able to close TCP connections and deny clients the
ability to write to us (and thus wasting our bandwidth).
While I could've left this feature off by default indefinitely
for maximum backwards compatibility (for arguably broken
applications), Unicorn is not and has never been about
supporting the lowest common denominator.
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This gives the app ability to deny clients with 417 instead of
blindly making the decision for the underlying application. Of
course, apps must be made aware of this.
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This has been totally broken since
commit b0013b043a15d77d810d5965157766c1af364db2
"Avoid duplicating the "Z" constant"
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* avoid '' strings for GC-friendliness
* Ensure the '' we do need is binary for 1.9
* Disable passing the raw rack.input object to the child process
This is never possible with our new TeeInput wrapper.
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Trying not to repeat ourselves. Unfortunately, Ruby 1.9 forces
us to actually care about encodings of arbitrary byte sequences.
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Just clarifying the license terms of the new code. Other files
should really have this notice in there as well.
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This includes an example of tunneling the git protocol inside a
TE:chunked HTTP request. The example is unfortunately contrived
in that it relies on the custom examples/cat-chunk-proxy.rb
script in the client. My initial wish was to have a generic
tool like curl(1) operate like this:
cat > ~/bin/cat-chunk-proxy.sh <<EOF
#!/bin/sh
exec curl -sfNT- http://$1:$2/
EOF
chmod +x ~/bin/cat-chunk-proxy.sh
GIT_PROXY_COMMAND=cat-chunk-proxy.sh git clone git://0:8080/foo
Unfortunately, curl will attempt a blocking read on stdin before
reading the TCP socket; causing the git-clone consumer to
starve. This does not appear to be a problem with the new
server code for handling chunked requests.
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Unicorn proper no longer needs these constants,
so don't bother with them.
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If we're using middleware that pushes the body into an
array, bad things will happen if we're clobbering the
string for each iteration of body#each.
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This reduces garbage generation to improve performance. Rack
1.0 allows InputWrapper to read with an explicit buffer.
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"out" was an invalid variable in that context...
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Don't allow newly created IO objects to get GC'ed and
subsequently close(2)-ed. We're not reopening the
{$std,STD}{in,out,err} variables since those can't be
trusted to have fileno 1, 2 and 3 respectively.
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Hopefully the world will just move to Rack faster
so we have less things to worry about.
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REQUEST_METHOD got removed from Unicorn::Const
and this module is the only place that currently
uses it.
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This resurrects old code from Mongrel to wrap the Rails
Dispatcher for older versions of Rails. It seems that
Rails >= 2.2.0 support Rack, but only >=2.3 requires it.
I'd like to support Rails 1.2.x for a while, too.
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This is a Rack handler that passes Rack::Lint running cgit
and so it has been lightly tested. No other CGI executables
have been run with it.
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