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ffmpeg optimizations #310

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cehoffman opened this issue Dec 17, 2015 · 3 comments
Open

ffmpeg optimizations #310

cehoffman opened this issue Dec 17, 2015 · 3 comments

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@cehoffman
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In the 2015Q3 release ffmpeg has been built with --disable-asm which from some mailing list searching I have deduced is responsible for ffmpeg not detecting instruction set features of the CPU. I've verified that ffmpeg is more than happy to use the CPU to the fullest within KVM and LX zones. It only falls over in the joyent zone.

I believe this faulty configure flag inclusion is coming from these lines. I'm currently in the process of trying to setup my own pkgsrc build environment, but I don't have the best knowledge to on how keep the intent of the lines highlighted while fixing it so --disable-asm isn't included when building on the latest SmartOS with gcc 4.8.

@jperkin
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jperkin commented Dec 17, 2015

One thing to be aware of is that we patch GCC to disable -fomit-frame-pointer (because we fundamentally believe in being able to debug problems). This is, or at least was, incompatible with the way that ffmpeg writes its assembly and we've had to explicitly disable it in TritonDataCenter/pkgsrc@48d6821.

It would certainly be nice to retain assembly support if someone has time to go through and review its register usage.

jperkin pushed a commit that referenced this issue Feb 15, 2016
Needed by py-google-api-python-client-1.4.2.

## v1.5.2

* Add access token refresh error class that includes HTTP status (#310)
* Python3 compatibility fixes for Django (#316, #318)
* Fix incremental auth in flask_util (#322)
* Fall back to credential refresh on EDEADLK in multistore_file (#336)

## v1.5.1

* Fix bad indent in `tools.run_flow()` (#301, bug was
  introduced when switching from 2 space indents to 4)

## v1.5.0

* Fix (more like clarify) `bytes` / `str` handling in crypto
  methods. (#203, #250, #272)
* Replacing `webapp` with `webapp2` in `oauth2client.appengine` (#217)
* Added optional `state` parameter to
  `step1_get_authorize_url`. (#219 and #222)
* Added `flask_util` module that provides a Flask extension to aid
  with using OAuth2 web server flow. This provides the same functionality
  as the `appengine.webapp2` OAuth2Decorator, but will work with any Flask
  application regardless of hosting environment. (#226, #273)
* Track scopes used on credentials objects (#230)
* Moving docs to [readthedocs.org][1] (#237, #238, #244)
* Removing `old_run` module. Was deprecated July 2, 2013. (#285)
* Avoid proxies when querying for GCE metadata (to check if
  running on GCE) (#114, #293)

[1]: https://readthedocs.org/

## v1.4.12

* Fix OS X flaky test failure (#189).
* Fix broken OpenSSL import (#191).
* Remove `@util.positional` from wrapped request in `Credentials.authorize()`
  (#196, #197).
* Changing pinned dependencies to `>=` (#200, #204).
* Support client authentication using `Authorization` header (#206).
* Clarify environment check in case where GAE imports succeed but GAE services
  aren't available (#208).

## v1.4.11

* Better environment detection with Managed VMs.
* Better OpenSSL detection in exotic environments.

## v1.4.10

* Update the `OpenSSL` check to be less strict about finding `crypto.py` in
  the `OpenSSL` directory.
* `tox` updates for new environment handling in `tox`.

## v1.4.9

* Ensure that the ADC fails if we try to *write* the well-known file to a
  directory that doesn't exist, but not if we try to *read* from one.

## v1.4.8

* Better handling of `body` during token refresh when `body` is a stream.
* Better handling of expired tokens in storage.
* Cleanup around `openSSL` import.
* Allow custom directory for the `well_known_file`.
* Integration tests for python2 and python3. (!!!)
* Stricter file permissions when saving the `well_known_file`.
* Test cleanup around config file locations.

## v1.4.7

* Add support for Google Developer Shell credentials.
* Better handling of filesystem errors in credential refresh.
* python3 fixes
* Add `NO_GCE_CHECK` for skipping GCE detection.
* Better error messages on `InvalidClientSecretsError`.
* Comment cleanup on `run_flow`.

## v1.4.6

* Add utility function to convert PKCS12 key to PEM. (#115)
* Change GCE detection logic. (#93)
* Add a tox env for doc generation.

## v1.4.5

* Set a shorter timeout for an Application Default Credentials issue on some
  networks. (#93, #101)
* Test cleanup, switch from mox to mock. (#103)
* Switch docs to sphinx from epydoc.

## v1.4.4

* Fix a bug in bytes/string encoding of headers.

## v1.4.3

* Big thanks to @dhermes for spotting and fixing a mess in our test setup.

* Fix a serious issue with tests not being run. (#86, #87, #89)
* Start credentials cleanup for single 2LO/3LO call. (#83, #84)
* Clean up stack traces when re-raising in some places. (#79)
* Clean up doc building. (#81, #82)
* Fixed minimum version for `six` dependency. (#75)
jperkin pushed a commit that referenced this issue Aug 24, 2016
Changelog:
Changes in 2.3.6 (20160812)

    Auto-maximization of windows when the mouse is brought to the edge of the screen (issue #49). This feature is disabled by default, but can be enabled via the aerosnap group option.
    Added Traditional Chinese translation (from Jim Tsai).
    Added the TaskListStyle and TrayButtonStyle tags to control the look of task lists and tray buttons. These were removed in v2.3.0, but are now back (issue #276).
    Fixed rendering of gradient highlights on menus.
    Changed the default configuration to explicitly set a 24-hour clock format.
    Made the default window title height match the font size used in window titles.
    Added the ability to set a default icon using the DefaultIcon tag (issue #310).
    Added the ability to disable move/resize using mod1+drag via the nodrag group option (issue #311).
    Made JWM raise the selected window when tabbing between windows (issue #313).
    Fixed an issue with some system tray icons not showing up (issue #314).
    Tiled window placement is now confined to the active display (pull request #318).
    Changed to the MIT license (issue #320).
    Added the labeled option to TaskListStyle to allow disabling labels for task lists.


Changes in 2.3.5 (20160326)

    Faster icon loading (issue #258).
    Configurable default window icon via the ButtonMenu tag (issue #246).
    Added the ilist and ipager group options to ignore program-specified task list and pager settings (issue #263).
    Made it so clicking a submenu does not close the menu (issue #264).
    Made the tray respond to clicks at screen edges (issue #270).
    Made tiled window placement (the tiled group option) minimize overlap if no window position can be found with no overlap (issue #269).
    Removed exit confirmation when exit is invoked from the command line (issue #275).
    Now maximized windows restore when being dragged.
    Restored the ClockStyle tag to allow setting a custom font and color for clocks (issue #276).
    Fixed layout and mouse location tracking of tray items for trays with lots of components.
    Added the ability to use the output of a program for Include (issue #291).
    Added the fixed group option (issue #209).
jperkin pushed a commit that referenced this issue Oct 18, 2016
## [1.11.3][] (2016-09-16)

  * Fix known_hosts caching to match on the entire hostlist
    [PR #364](capistrano/sshkit#364) @byroot

## [1.11.2][] (2016-07-29)

### Bug fixes

  * Fixed a crash occurring when `Host@keys` was set to a non-Enumerable.
    @xavierholt [PR #360](capistrano/sshkit#360)

## [1.11.1][] (2016-06-17)

### Bug fixes

  * Fixed a regression in 1.11.0 that would cause
    `ArgumentError: invalid option(s): known_hosts` in some older versions of
    net-ssh. @byroot [#357](capistrano/sshkit#357)

## [1.11.0][] (2016-06-14)

### Bug fixes

  * Fixed colorized output alignment in Logger::Pretty. @xavierholt
    [PR #349](capistrano/sshkit#349)
  * Fixed a bug that prevented nested `with` calls
    [#43](capistrano/sshkit#43)

### Other changes

  * Known hosts lookup optimization is now enabled by default. @byroot

## 1.10.0 (2016-04-22)

  * You can now opt-in to caching of SSH's known_hosts file for a speed boost
    when deploying to a large fleet of servers. Refer to the
    [README](https://github.com/capistrano/sshkit/tree/v1.10.0#known-hosts-caching) for
    details. We plan to turn this on by default in a future version of SSHKit.
    [PR #330](capistrano/sshkit#330) @byroot
  * SSHKit now explicitly closes its pooled SSH connections when Ruby exits;
    this fixes `zlib(finalizer): the stream was freed prematurely` warnings
    [PR #343](capistrano/sshkit#343) @mattbrictson
  * Allow command map entries (`SSHKit::CommandMap#[]`) to be Procs
    [PR #310](capistrano/sshkit#310)
    @mikz

## 1.9.0

**Refer to the 1.9.0.rc1 release notes for a full list of new features, fixes,
and potentially breaking changes since SSHKit 1.8.1.** There are no changes
since 1.9.0.rc1.

## 1.9.0.rc1

### Potentially breaking changes

  * The SSHKit DSL is no longer automatically included when you `require` it.
    **This means you  must now explicitly `include SSHKit::DSL`.**
    See [PR #219](capistrano/sshkit#219) for details.
    @beatrichartz
  * `SSHKit::Backend::Printer#test` now always returns true
    [PR #312](capistrano/sshkit#312) @mikz

### New features

  * `SSHKit::Formatter::Abstract` now accepts an optional Hash of options
    [PR #308](capistrano/sshkit#308) @mattbrictson
  * Add `SSHKit::Backend.current` so that Capistrano plugin authors can refactor
    helper methods and still have easy access to the currently-executing Backend
    without having to use global variables.
  * Add `SSHKit.config.default_runner` options that allows to override default command runner.
    This option also accepts a name of the custom runner class.
  * The ConnectionPool has been rewritten in this release to be more efficient
    and have a cleaner internal API. You can still completely disable the pool
    by setting `SSHKit::Backend::Netssh.pool.idle_timeout = 0`.
    @mattbrictson @byroot [PR #328](capistrano/sshkit#328)

### Bug fixes

  * make sure working directory for commands is properly cleared after `within` blocks
    [PR #307](capistrano/sshkit#307)
    @steved
  * display more accurate string for commands with spaces being output in `Formatter::Pretty`
    [PR #304](capistrano/sshkit#304)
    @steved
    [PR #319](capistrano/sshkit#319) @mattbrictson
  * Fix a race condition experienced in JRuby that could cause multi-server
    deploys to fail. [PR #322](capistrano/sshkit#322)
    @mattbrictson
@mamash
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mamash commented Oct 26, 2016

Github autoclose, re-opening.

@mamash mamash reopened this Oct 26, 2016
@mamash
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mamash commented Nov 28, 2016

Unrelated commit, Github to blame.

@mamash mamash reopened this Nov 28, 2016
jperkin pushed a commit that referenced this issue Mar 3, 2017
Patch from spz@. Thank you.

Changelog:
- 1/26/2017: version 0.6.0
  * lossless performance and compression improvements
  * miscellaneous performance improvements (SSE2, NEON, MSA)
  * webpmux gained a -duration option allowing for frame timing modification
  * new img2webp utility allowing a sequence of images to be converted to
    animated webp
  * API changes:
    - libwebp:
      WebPPictureSharpARGBToYUVA
      WebPPlaneDistortion
    - libwebpmux / gif2webp:
      WebPAnimEncoderOptions: kmax <= 0 now disables keyframes, kmax == 1
                              forces all keyframes. See mux.h and the gif2webp
                              manpage for details.

- 12/13/2016: version 0.5.2
  This is a binary compatible release.
  This release covers CVE-2016-8888 and CVE-2016-9085.
  * further security related hardening in the tools; fixes to
    gif2webp/AnimEncoder (issues #310, #314, #316, #322), cwebp/libwebp (issue
    #312)
  * full libwebp (encoder & decoder) iOS framework; libwebpdecoder
    WebP.framework renamed to WebPDecoder.framework (issue #307)
  * CMake support for Android Studio (2.2)
  * miscellaneous build related fixes (issue #306, #313)
  * miscellaneous documentation improvements (issue #225)
  * minor lossy encoder fixes and improvements
jperkin pushed a commit that referenced this issue May 13, 2017
Reviewed by:	joerg@

Upstream changes:
Release Notes for fish 2.5.0 (released February 3, 2017)

    The Home, End, Insert, Delete, Page Up and Page Down keys work in Vi-style key bindings (#3731).

Platform Changes
Starting with version 2.5, fish requires a more up-to-date version of C++, specifically C++11 (from 2011). This affects some older platforms:
Linux
For users building from source, GCC's g++ 4.8 or later, or LLVM's clang 3.3 or later, are known to work. Older platforms may require a newer compiler installed. Unfortunately, because of the complexity of the toolchain, binary packages are no longer published by the fish-shell developers for the following platforms:

    Red Hat Enterprise Linux and CentOS 5 & 6 for 64-bit builds
    Ubuntu 12.04 (EoLTS April 2017)
    Debian 7 (EoLTS May 2018)

Installing newer version of fish on these systems will require building from source.
OS X SnowLeopard
Starting with version 2.5, fish requires a C++11 standard library on OS X 10.6 ("SnowLeopard"). If this library is not installed, you will see this error: dyld: Library not loaded: /usr/lib/libc++.1.dylib MacPorts is the easiest way to obtain this library. After installing the SnowLeopard MacPorts release from the install page, run: sudo port -v install libcxx Now fish should launch successfully. (Please open an issue if it does not.) This is only necessary on 10.6. OS X 10.7 and later include the required library by default.
Other significant changes

    Attempting to exit with running processes in the background produces a warning, then signals them to terminate if a second attempt to exit is made. This brings the behaviour for running background processes into line with stopped processes. (#3497)
    random can now have start, stop and step values specified, or the new choice subcommand can be used to pick an argument from a list (#3619).
    A new key bindings preset, fish_hybrid_key_bindings, including all the Emacs-style and Vi-style bindings, which behaves like fish_vi_key_bindings in fish 2.3.0 (#3556).
    function now returns an error when called with invalid options, rather than defining the function anyway (#3574). This was a regression present in fish 2.3 and 2.4.0.
    fish no longer prints a warning when it identifies a running instance of an old version (2.1.0 and earlier). Changes to universal variables may not propagate between these old versions and 2.5b1.
    Improved compatiblity with Android (#3585), MSYS/mingw (#2360), Solaris (#3456, #3340)
    Like other shells, the test builting now returns an error for numeric operations on invalid integers (#3346, #3581).
    complete no longer recognises --authoritative and --unauthoritative options, and they are marked as obsolete.
    status accepts subcommands, and should be used like status is-interactive. The old options continue to be supported for the foreseeable future (#3526), although only one subcommand or option can be specified at a time.
    Selection mode (used with "begin-selection") no longer selects a character the cursor does not move over (#3684).
    List indexes are handled better, and a bit more liberally in some cases (echo $PATH[1 .. 3] is now valid) (#3579).
    The fish_mode_prompt function is now simply a stub around fish_default_mode_prompt, which allows the mode prompt to be included more easily in customised prompt functions (#3641).

Notable fixes and improvements

    alias, run without options or arguments, lists all defined aliases, and aliases now include a description in the function signature that identifies them.
    complete accepts empty strings as descriptions (#3557).
    command accepts -q/--quiet in combination with --search (#3591), providing a simple way of checking whether a command exists in scripts.
    Abbreviations can now be renamed with abbr --rename OLD_KEY NEW_KEY (#3610).
    The command synopses printed by --help options work better with copying and pasting (#2673).
    help launches the browser specified by the $fish_help_browser variable if it is set (#3131).
    History merging could lose items under certain circumstances and is now fixed (#3496).
    The $status variable is now set to 123 when a syntactically invalid command is entered (#3616).
    Exiting fish now signals all background processes to terminate, not just stopped jobs (#3497).
    A new prompt_hostname function which prints a hostname suitable for use in prompts (#3482).
    The __fish_man_page function (bound to Alt-h by default) now tries to recognize subcommands (e.g. git add will now open the "git-add" man page) (#3678).
    A new function edit_command_buffer (bound to Alt-e & Alt-v by default) to edit the command buffer in an external editor (#1215, #3627).
    set_color now supports italics (--italics), dim (--dim) and reverse (--reverse) modes (#3650).
    Filesystems with very slow locking (eg incorrectly-configured NFS) will no longer slow fish down (#685).
    Improved completions for apt (#3695), fusermount (#3642), make (#3628), netctl-auto (#3378), nmcli (#3648), pygmentize (#3378), and tar (#3719).
    Added completions for:
    VBoxHeadless (#3378)
    VBoxSDL (#3378)
    base64 (#3378)
    caffeinate (#3524)
    dconf (#3638)
    dig (#3495)
    dpkg-reconfigure (#3521 & #3522)
    feh (#3378)
    launchctl (#3682)
    lxc (#3554 & #3564),
    mddiagnose (#3524)
    mdfind (#3524)
    mdimport (#3524)
    mdls (#3524)
    mdutil (#3524)
    mkvextract (#3492)
    nvram (#3524)
    objdump (#3378)
    sysbench (#3491)
    tmutil (#3524)

Release Notes for fish 2.4.0 (released November 8, 2016)
Significant changes

    The clipboard integration has been revamped with explicit bindings. The killring commands no longer copy from, or paste to, the X11 clipboard - use the new copy (C-x) and paste (C-v) bindings instead. The clipboard is now available on OS X as well as systems using X11 (e.g. Linux). (#3061)
    history uses subcommands (history delete) rather than options (history --delete) for its actions (#3367). You can no longer specify multiple actions via flags (e.g., history --delete --save something).
    New history options have been added, including --max=n to limit the number of history entries, --show-time option to show timestamps (#3175, #3244), and --null to null terminate history entries in the search output.
    history search is now case-insensitive by default (which also affects history delete) (#3236).
    history delete now correctly handles multiline commands (#31).
    Vi-style bindings no longer include all of the default emacs-style bindings; instead, they share some definitions (#3068).
    If there is no locale set in the environment, various known system configuration files will be checked for a default. If no locale can be found, en_US-UTF.8 will be used (#277).
    A number followed by a caret (e.g. 5^) is no longer treated as a redirection (#1873).
    The $version special variable can be overwritten, so that it can be used for other purposes if required.

Notable fixes and improvements

    The fish_realpath builtin has been renamed to realpath and made compatible with GNU realpath when run without arguments (#3400). It is used only for systems without a realpath or grealpath utility (#3374).
    Improved color handling on terminals/consoles with 8-16 colors, particularly the use of bright named color (#3176, #3260).
    fish_indent can now read from files given as arguments, rather than just standard input (#3037).
    Fuzzy tab completions behave in a less surprising manner (#3090, #3211).
    jobs should only print its header line once (#3127).
    Wildcards in redirections are highlighted appropriately (#2789).
    Suggestions will be offered more often, like after removing characters (#3069).
    history --merge now correctly interleaves items in chronological order (#2312).
    Options for fish_indent have been aligned with the other binaries - in particular, -d now means --debug. The --dump option has been renamed to --dump-parse-tree (#3191).
    The display of bindings in the Web-based configuration has been greatly improved (#3325), as has the rendering of prompts (#2924).
    fish should no longer hang using 100% CPU in the C locale (#3214).
    A bug in FreeBSD 11 & 12, Dragonfly BSD & illumos prevented fish from working correctly on these platforms under UTF-8 locales; fish now avoids the buggy behaviour (#3050).
    Prompts which show git repository information (via __fish_git_prompt) are faster in large repositories (#3294) and slow filesystems (#3083).
    fish 2.3.0 reintroduced a problem where the greeting was printed even when using read; this has been corrected again (#3261).
    Vi mode changes the cursor depending on the current mode (#3215).
    Command lines with escaped space characters at the end tab-complete correctly (#2447).
    Added completions for:
        arcanist (#3256)
        connmanctl (#3419)
        figlet (#3378)
        mdbook (#3378)
        ninja (#3415)
        p4, the Perforce client (#3314)
        pygmentize (#3378)
        ranger (#3378)
    Improved completions for aura (#3297), abbr (#3267), brew (#3309), chown (#3380, #3383),cygport (#3392), git (#3274, #3226, #3225, #3094, #3087, #3035, #3021, #2982, #3230), kill & pkill (#3200), screen (#3271), wget (#3470), and xz (#3378).
    Distributors, packagers and developers will notice that the build process produces more succinct output by default; use make V=1 to get verbose output (#3248).
    Improved compatibility with minor platforms including musl (#2988), Cygwin (#2993), Android (#3441, #3442), Haiku (#3322) and Solaris.
    Automatic cursor changes are now only enabled on the subset of XTerm versions known to support them, resolving a problem where older versions printed garbage to the terminal before and after every prompt (#3499).
    Improved the title set in Apple Terminal.app.
    Added completions for defaults and improved completions for diskutil (#3478).

Release Notes for fish 2.3.1 (released July 3, 2016)
This is a functionality and bugfix release. This release does not contain all the changes to fish since the last release, but fixes a number of issues directly affecting users at present and includes a small number of new features.
Significant changes

    A new fish_key_reader binary for decoding interactive keypresses (#2991).
    fish_mode_prompt has been updated to reflect the changes in the way the Vi input mode is set up (#3067), making this more reliable.
    fish_config can now properly be launched from the OS X app bundle (#3140).

Notable fixes and improvements

    Extra lines were sometimes inserted into the output under Windows (Cygwin and Microsoft Windows Subsystem for Linux) due to TTY timestamps not being updated (#2859).
    The string builtin's match mode now handles the combination of -rnv (match, invert and count) correctly (#3098).
    Improvements to TTY special character handling (#3064), locale handling (#3124) and terminal environment variable handling (#3060).
    Work towards handling the terminal modes for external commands launched from initialisation files (#2980).
    Ease the upgrade path from fish 2.2.0 and before by warning users to restart fish if the string builtin is not available (#3057).
    type -a now syntax-colorizes function source output.
    Added completions for alsamixer, godoc, gofmt, goimports, gorename, lscpu, mkdir, modinfo, netctl-auto, poweroff, termite, udisksctl and xz (#3123).
    Improved completions for apt (#3097), aura (#3102),git (#3114), npm (#3158), string and suspend (#3154).

Release Notes for fish 2.3.0 (released May 20, 2016)
Significant Changes

    A new string builtin to handle… strings! This builtin will measure, split, search and replace text strings, including using regular expressions. It can also be used to turn lists into plain strings using join. string can be used in place of sed, grep, tr, cut, and awk in many situations. (#2296)
    After seeing an escape character wait up to 300ms for an additional character. This is consistent with readline (e.g. bash) and can be configured via the fish_escape_delay_ms variable. This allows using escape as the Meta modifier. (#1356)
    Add new directories for vendor functions and configuration snippets (#2498)
    A new fish_realpath builtin and associated function to allow the use of realpath even on those platforms that don't ship an appropriate command. (#2932)
    Alt-# toggles the current command line between commented and uncommented states, making it easy to save a command in history without executing it.
    The fish_vi_mode function is now deprecated in favour of fish_vi_key_bindings

Backward-incompatible changes

    Unmatched globs will now cause an error, except when used with for, set or count (#2719, #2394)
    and and or will now bind to the closest if or while, allowing compound conditions without begin and end (#1428)
    set -ql now searches up to function scope for variables (#2502)
    status -f will now behave the same when run as the main script or using source (#2643)
    source no longer puts the file name in $argv if no arguments are given (#139)

Other Notable Fixes and Improvements

    Fish no longer silences errors in config.fish (#2702)
    Move the history file to $XDG_DATA_HOME/fish (or ~/.local/share if it has not been set)
    Directory autosuggestions will now descend as far as possible if there is only one child directory (#2531)
    Add support for bright colors (#1464)
    Allow Ctrl-J (\cj) to be bound separately from Ctrl-M (\cm) (#217)
    psub now has a "-s"/"-suffix" option to name the temporary file with that suffix
    Enable 24-bit colors on select terminals (#2495)
    Support for SVN status in the prompt (#2582)
    Mercurial and SVN support have been added to the Classic + Git (now Classic + VCS) prompt (via the new __fish_vcs_prompt function) (#2592)
    export now handles variables with a "=" in the value (#2403)
    Avoid confusing the terminal line driver with non-printing characters in fish_title(#2453)
    New completions for:
        alsactl
        Archlinux’s asp, makepkg
        Atom’s apm (#2390)
        entr - the "Event Notify Test Runner" (#2265)
        Fedora’s dnf (#2638)
        OSX diskutil (#2738)
        pkgng (#2395)
        pulseaudio’s pacmd and pactl
        rmmod (#3007)
        rust’s rustc and cargo (#2409)
        sysctl (#2214)
        systemd’s machinectl (#2158), busctl (#2144), systemd-nspawn, systemd-analyze, localectl, timedatectl
        and more
    Fish no longer has a function called sgrep, freeing it for user customization (#2245)
    A rewrite of the completions for cd, fixing a few bugs (#2299, #2300, #562)
    Linux VTs now run in a simplified mode to avoid issues (#2311)
    The vi-bindings now inherit from the emacs bindings
    Fish will also execute fish_user_key_bindings when in vi-mode
    funced will now also check $VISUAL (#2268)
    A new suspend function (#2269)
    Subcommand completion now works better with split /usr (#2141)
    The command-not-found-handler can now be overridden by defining a function called __fish_command_not_found_handler in config.fish (#2331)
    A few fixes to the Sorin theme
    PWD shortening in the prompt can now be configured via the fish_prompt_pwd_dir_length variable, set to the length per path component (#2473)
    fish now ships a skeleton file for /etc/fish/config.fish that only contains some documentation, the included code has been moved to the corresponding file in /usr (#2799)

Release Notes for fish 2.2.0 (released July 12, 2015)
Significant Changes

    Abbreviations: the new `abbr` command allows for interactively-expanded abbreviations, allowing quick access to frequently-used commands (#731).
    Vi mode: run `fish_vi_mode` to switch fish into the key bindings and prompt familiar to users of the Vi editor (#65).
    New inline and interactive pager, which will be familiar to users of zsh (#291).
    Underlying architectural changes: the `fishd` universal variable server has been removed as it was a source of many bugs and security problems. Notably, old fish sessions will not be able to communicate universal variable changes with new fish sessions. For best results, restart all running instances of `fish`.
    The web-based configuration tool has been redesigned, featuring a prompt theme chooser and other improvements.
    New German, Brazilian Portuguese, and Chinese translations.

Backward-incompatible changes
These are kept to a minimum, but either change undocumented features or are too hard to use in their existing forms. These changes may break existing scripts.

    `commandline` no longer interprets functions "in reverse", instead behaving as expected (#1567).
    The previously-undocumented `CMD_DURATION` variable is now set for all commands and contains the execution time of the last command in milliseconds (#1585). It is no longer exported to other commands (#1896).
    `if` / `else` conditional statements now return values consistent with the Single Unix Specification, like other shells (#1443).
    A new "top-level" local scope has been added, allowing local variables declared on the commandline to be visible to subsequent commands. (#206)

Other notable fixes and improvements

    New documentation design (#1662), which requires a Doxygen version 1.8.7 or newer to build.
    Fish now defines a default directory for other packages to provide completions. By default this is `/usr/share/fish/vendor-completions.d`; on systems with `pkgconfig` installed this path is discoverable with `pkg-config --variable completionsdir fish`.
    A new parser removes many bugs; all existing syntax should keep working.
    New `fish_preexec` and `fish_postexec` events are fired before and after job execution respectively (#1549).
    Unmatched wildcards no longer prevent a job from running. Wildcards used interactively will still print an error, but the job will proceed and the wildcard will expand to zero arguments (#1482).
    The `.` command is deprecated and the `source` command is preferred (#310).
    `bind` supports "bind modes", which allows bindings to be set for a particular named mode, to support the implementation of Vi mode.
    A new `export` alias, which behaves like other shells (#1833).
    `command` has a new `--search` option to print the name of the disk file that would be executed, like other shells' `command -v` (#1540).
    `commandline` has a new `--paging-mode` option to support the new pager.
    `complete` has a new `--wraps` option, which allows a command to (recursively) inherit the completions of a wrapped command (#393), and `complete -e` now correctly erases completions (#380).
    Completions are now generated from manual pages by default on the first run of fish (#997).
    `fish_indent` can now produce colorized (`--ansi`) and HTML (`--html`) output (#1827).
    `functions --erase` now prevents autoloaded functions from being reloaded in the current session.
    `history` has a new `--merge` option, to incorporate history from other sessions into the current session (#825).
    `jobs` returns 1 if there are no active jobs (#1484).
    `read` has several new options:
        `--array` to break input into an array (#1540)
        `--null` to break lines on NUL characters rather than newlines (#1694)
        `--nchars` to read a specific number of characters (#1616)
        `--right-prompt` to display a right-hand-side prompt during interactive read (#1698).
    `type` has a new `-q` option to suppress output (#1540 and, like other shells, `type -a` now prints all matches for a command (#261).
    Pressing F1 now shows the manual page for the current command (#1063).
    `fish_title` functions have access to the arguments of the currently running argument as `$argv[1]` (#1542).
    The OS command-not-found handler is used on Arch Linux (#1925), nixOS (#1852), openSUSE and Fedora (#1280).
    `Alt`+`.` searches backwards in the token history, mapping to the same behavior as inserting the last argument of the previous command, like other shells (#89).
    The `SHLVL` environment variable is incremented correctly (#1634 & #1693).
    Added completions for `adb` (#1165 & #1211), `apt` (#2018), `aura` (#1292), `composer` (#1607), `cygport` (#1841), `dropbox` (#1533), `elixir` (#1167), `fossil`, `heroku` (#1790), `iex` (#1167), `kitchen` (#2000), `nix` (#1167), `node`/`npm` (#1566), `opam` (#1615), `setfacl` (#1752), `tmuxinator` (#1863), and `yast2` (#1739).
    Improved completions for `brew` (#1090 & #1810), `bundler` (#1779), `cd` (#1135), `emerge` (#1840),`git` (#1680, #1834 & #1951), `man` (#960), `modprobe` (#1124), `pacman` (#1292), `rpm` (#1236), `rsync` (#1872), `scp` (#1145), `ssh` (#1234), `sshfs` (#1268), `systemctl` (#1462, #1950 & #1972), `tmux` (#1853), `vagrant` (#1748), `yum` (#1269), and `zypper` (#1787).
jperkin pushed a commit that referenced this issue Jun 13, 2017
=== 4.1.0
=== 4.1.0.rc1

 * ProxyJump support [Ryan McGeary, #500]
 * Fix agent detection on Windows [Christian Koehler, #495]

=== 4.1.0.beta1

 * Fix nil error when libsodium is not there [chapmajs ,#488]
 * SSH certificate support for client auth [David Bartley, #485]

=== 4.0.1
=== 4.0.1.rc2

 * ENV["HOME"] might be empty so filter non expandable paths [Matt Casper, #351]

=== 4.0.1.rc1

 * support of rbnacl 4.0 and better error message [#479]
 * support include in config files [Kimura Masayuki, #475]
 * fixed issue with ruby 2.2 or older on windows [#472]

=== 4.0.0
=== 4.0.0.rc3

 * parse `+` character in config files [Christoph Lupprich, #470, #314]

=== 4.0.0.rc2

 * Fixed OpenSSL 2.0/Ruby 2.4.0 warnings [Miklós Fazekas, #468]
 * Added ssh-ed25519 to KnownHosts:SUPPORTED_TYPE [detatka-kuzlatka-otevrete, Miklós Fazekas, #459]
 * Allow nil for :passhrase and passing in nil option is now a depreaction warning [Miklós Fazekas, #465]

=== 4.0.0.rc1

 * Allow :password to be nil for capistrano v2 compatibility [Will Bryant, #357]
 * In next_packet if prefer consuming buffer before filling it again if we have enough data [Miklós Fazekas, #454]

=== 4.0.0.beta4

 * Added exitstatus method to exec's return [Miklós Fazekas, #452]
 * Don't raise from exec if server closes transport just after channel close [Miklós Fazekas, #450]
 * Removed java_pageant, as jruby should be using regular pagent impl [Miklós Fazekas, ]
 * Use SSH_AUTH_SOCK if possible on windows (cygwin) [Miklós Fazekas, Martin Dürst, #365, #361]
 * HTTPS proxy support [Marcus Ilgner, #432]
 * Supports ruby 2.4.0.dev new exception type from OpenSSL::PKey.read

=== 4.0.0.beta3

 * Fix Net::SSH::Disconnect exceptions when channels are closed cleanly [Miklos Fazekas, #421, #422]

=== 4.0.0.beta2

 * Fix raiseUnlessLoaded undefined ERROR issue [Miklos Fazekas, #418]

=== 4.0.0.beta1

* Fix pageant [elconas, #235]
* Relaxed rbnacl,rbnacl-selenium contstraints ang give better errors about them [Miklos Fazekas, #398]
* Fix UTF-8 encoding issues [Ethan J. Brown, #407]

=== 4.0.0.alpha4

* Experimental event loop abstraction [Miklos Fazekas]
* RbNacl dependency is optional [Miklos Fazekas]
* agent_socket_factory option [Alon Goldboim]
* client sends KEXINIT, it doesn't have to wait for server [Miklos Fazekas]
* better error message when option is nil [Kane Morgan]
* prompting can be customized [Miklos Fazekas]

=== 4.0.0.alpha3

* added max_select_wait_time [Eugene Kenny]

=== 4.0.0.alpha2

* when transport closes we're cleaning up channels [Miklos Fazekas]

=== 4.0.0.alpha1

* ed25519 key support [Miklos Fazekas]
* removed camellia [Miklos Fazekas]

=== 3.1.0
=== 3.1.0.rc1

* fix Secure#verify [Jean Boussier]
* use the smallest of don't spend longer time than keepalive if it's configured [Eugene Kenny]

=== 3.1.0.beta3

* forward/on_open_failed should stop listning closed socket otherwise it locks #269 [Miklos Fazekas,Scott McGillivray]
* fix incorrect pattern handling in config files #310 [Miklos Fazekas]

=== 3.1.0.beta2

* trying to execute something on a not yet opend channel throws nicer messag [Miklos Fazekas]
* calling close on a not opened channel marks the channel for close [Miklos Fazekas]
* read keepalive configuration from ssh config files [Miklos Fazekas]
* send client version on hadshake before waiting for server to reduce handshake time [Miklos Fazekas]
* allow custom Net::SSH::KnownHosts implementations [Jean Boussier]
* memoize known host so we only search it once per session [Jean Boussier, Miklos Fazekas]

=== 3.0.2
=== 3.0.2.rc1

* fixed rare WaitWritable error with proxy commands [Miklos Fazkas, Andre Meij]]
* if Net::SSH.start user is nil and config has no entry we default to Etc.getlogin
* Bugfix: CHANNEL_CLOSE was sent before draining ouput buffer #280 [Christopher F. Auston]

=== 3.0.1
=== 3.0.1.rc1

* Breaking change from 2.* series: exec! without block now returns empty string instread of nil if command has no output [net-ssh/net-ssh#273]
* Support remote_user as %r in proxy commands [Dominic Scheirlinck]
* Raise Net::SSH::ConnectionTimeout from connection timeout [Carl Hoerberg]

=== 3.0.0.rc1

* SemVer: Major version change because of dropping of ruby 1.9
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