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244 lines
9.6 KiB
Markdown
244 lines
9.6 KiB
Markdown
## powerlevel9k Theme for Oh-My-Zsh
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This is a theme for [Oh-My-Zsh](https://github.com/robbyrussell/oh-my-zsh). This
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theme uses [Powerline Fonts](https://github.com/Lokaltog/powerline-fonts), thus
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giving you the most epic terminal styling in the universe.
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Look like a bad-ass. Impress everyone in 'Screenshot Your Desktop' threads. Use powerlevel9k.
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In addition to looking amazing, this theme actually provides a lot of useful
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information in configurable prompt segments.
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### Features
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* Supports `git` and `mercurial` repo information through ZSH's `VCS_INFO`:
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* branch / tag name
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* current action status (rebasing, merging, etc.,)
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* being behind / ahead of your remote by some number of commits
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* number of stashes (git only)
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* conditionally shows remote tracking branch if the name differs from local
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* current active bookmark (mercurial only)
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* various working tree statuses (e.g., unstaged, staged, etc.,)
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* Shows return-code of the last command if it is an error code
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* Indicates background jobs with a gear icon
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* Can conditionally display the `user@host` string when needed
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* Provides segment for command history (so you can `$ !<num>` to re-run)
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* Plenty of additional segments to choose from (e.g., AWS, ruby)
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* Can be used as a single or double-lined prompt (see screenshots below)
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* Several built-in color configurations to choose from
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**If you would like an OMZ theme that provides some of the same features but
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doesn't require Powerline fonts, check out the sister font,
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[hackersaurus](https://github.com/bhilburn/hackersaurus).**
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Here are some screenshots of `powerlevel9k` with default settings:
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### Installation
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There are two things you need to make this theme work correctly: Powerline
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fonts, and the theme itself.
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#### Install Powerline Fonts
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First, you need to install Powerline Fonts. You can find the [installation
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instructions
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here](https://powerline.readthedocs.org/en/latest/installation/linux.html#fonts-installation).
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You can also find the raw font files [in this Github
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repository](https://github.com/powerline/fonts) if you want to manually install
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them for your OS.
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After you have installed Powerline fonts, make the default font in your terminal
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emulator the Powerline font you want to use.
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#### Install Powerlevel9k
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To install this theme, clone this repository into your Oh-My-Zsh `custom/themes`
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directory.
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$ cd ~/.oh-my-zsh/custom
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$ git clone https://github.com/bhilburn/powerlevel9k.git themes/powerlevel9k
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You then need to select this theme in your `~/.zshrc`:
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ZSH_THEME="powerlevel9k/powerlevel9k"
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### Segment Customization
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Customizing your prompt is easy! Select the segments you want to have displayed,
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and then assign them to either the left or right prompt. The segments that are
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currently available are:
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* **aws** - The current AWS profile, if active (more info below)
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* **context** - Your username and host (more info below)
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* **dir** - Your current working directory.
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* **history** - The command number for the current line.
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* **rbenv** - Ruby environment information (if one is active).
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* **rspec_stats** - Show a ratio of test classes vs code classes for RSpec.
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* **status** - The return code of the previous command, and status of background jobs.
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* **symfony2_tests** - Show a ratio of test classes vs code classes for Symfony2.
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* **time** - System time.
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* **virtualenv** - Your Python [VirtualEnv](https://virtualenv.pypa.io/en/latest/).
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* **vcs** - Information about this `git` or `hg` repository (if you are in one).
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To specify which segments you want, just add the following variables to your
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`~/.zshrc`. If you don't customize this, the below configuration is the default:
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POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context dir rbenv vcs)
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POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status history time)
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#### The AWS Profile Segment
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If you would like to display the [current AWS
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profile](http://docs.aws.amazon.com/cli/latest/userguide/installing.html), add
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the `aws` segment to one of the prompts, and define `AWS_DEFAULT_PROFILE` in
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your `~/.zshrc`:
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export AWS_DEFAULT_PROFILE=<profile_name>
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#### The 'context' Segment
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The `context` segment (user@host string) is conditional. This lets you enable it, but only display
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it if you are not your normal user or on a remote host (basically, only print it
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when it's likely you need it).
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To use this feature, make sure the `context` segment is enabled in your prompt
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elements (it is by default), and define a `DEFAULT_USER` in your `~/.zshrc`:
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export DEFAULT_USER=<your username>
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#### Test ratio
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The `symfony2_tests` and `rspec_tests` segments show both a ratio of "real" classes
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vs test classes. This is just a very simple ratio, and does not show your code
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coverage or any sophisticated stats. All this does is just to count your files
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and test files and calculate the ratio between them. Not more, but is may give
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a quick overview about the test situation of the project you are dealing with.
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#### The 'time' segment
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By default the time is show in 'H:M:S' format. If you want to change it,
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just set another format in your `~/.zshrc`:
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# Reversed time format
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POWERLEVEL9K_TIME_FORMAT='%D{%S:%M:%H}'
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#### The 'vcs' Segment
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By default, the `vcs` segment will provide quite a bit of information. If you
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would also like for it to display the current hash / changeset, simply define
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`POWERLEVEL9K_SHOW_CHANGESET` in your `~/.zshrc`. If activated, it will show
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the first 12 characters of the changeset id. To change the amount of characters,
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set `POWERLEVEL9K_CHANGESET_HASH_LENTH` to any value you want.
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Example:
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# enable the vcs segment in general
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POWERLEVEL9K_SHOW_CHANGESET=true
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# just show the 6 first characters of changeset
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POWERLEVEL9K_CHANGESET_HASH_LENGTH=6
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##### Symbols
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The `vcs` segment uses various symbols to tell you the state of your repository:
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* `↑4` - The number of commits your repository is ahead of your remote branch
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* `↓5` - The number of commits your repository is behind of your remote branch
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* `⍟3` - The number of stashes, here 3.
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* `●` - There are unstaged changes in your working copy
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* `✚` - There are staged changes in your working copy
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* `?` - There are files in your working copy, that are unknown to your repository
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* `→` - The name of your branch differs from its tracking branch.
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* `☿` - A mercurial bookmark is active.
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### Styling
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You can configure the look and feel of your prompt easily with some built-in
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options.
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#### Double-Lined Prompt
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By default, `powerlevel9k` is a single-lined prompt. If you would like to have
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the segments display on one line, and print the command prompt below it, simply
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define `POWERLEVEL9K_PROMPT_ON_NEWLINE` in your `~/.zshrc`:
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POWERLEVEL9K_PROMPT_ON_NEWLINE=true
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Here is what it looks like:
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#### Light Color Theme
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If you prefer to use "light" colors, simply set `POWERLEVEL9K_COLOR_SCHEME`
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to `light` in your `~/.zshrc`, and you're all set!
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POWERLEVEL9K_COLOR_SCHEME='light'
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The 'light' color scheme works well for ['Solarized
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Light'](https://github.com/altercation/solarized) users. Check it out:
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#### Further color customizations
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For every segment you can specify foreground and background color by setting them in your `~/.zshrc`:
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POWERLEVEL9K_TIME_FOREGROUND='red'
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POWERLEVEL9K_TIME_BACKGROUND='blue'
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This will change the appearance of the `time` segment. Take the segment names from the Chapter `Segment Customization`.
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Some of the Segments have special color variables, as they change the colors according some internal rules. These Segments are `vcs`, `rspec_stats`, `symfony2_tests`:
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POWERLEVEL9K_VCS_FOREGROUND='blue'
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POWERLEVEL9K_VCS_BACKGROUND='green'
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# If VCS changes are detected:
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POWERLEVEL9K_VCS_MODIFIED_FOREGROUND='red'
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POWERLEVEL9K_VCS_MODIFIED_BACKGROUND='cyan'
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# rspec_stats for good test coverage
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POWERLEVEL9K_RSPEC_STATS_GOOD_FOREGROUND='blue'
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POWERLEVEL9K_RSPEC_STATS_GOOD_BACKGROUND='green'
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# rspec_stats for average test coverage
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POWERLEVEL9K_RSPEC_STATS_AVG_FOREGROUND='black'
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POWERLEVEL9K_RSPEC_STATS_AVG_BACKGROUND='cyan'
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# rspec_stats for poor test coverage
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POWERLEVEL9K_RSPEC_STATS_BAD_FOREGROUND='red'
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POWERLEVEL9K_RSPEC_STATS_BAD_BACKGROUND='white'
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# symfony2_tests for good test coverage
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POWERLEVEL9K_SYMFONY2_TESTS_GOOD_FOREGROUND='blue'
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POWERLEVEL9K_SYMFONY2_TESTS_GOOD_BACKGROUND='green'
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# symfony2_tests for average test coverage
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POWERLEVEL9K_SYMFONY2_TESTS_AVG_FOREGROUND='black'
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POWERLEVEL9K_SYMFONY2_TESTS_AVG_BACKGROUND='cyan'
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# symfony2_tests for poor test coverage
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POWERLEVEL9K_SYMFONY2_TESTS_BAD_FOREGROUND='red'
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POWERLEVEL9K_SYMFONY2_TESTS_BAD_BACKGROUND='white'
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### Troubleshooting
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Here are some fixes to some common problems.
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#### Gaps Between Segments
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You can see this issue in the screenshot, below:
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Thankfully, this is easy to fix. This happens if you have successfully installed
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Powerline fonts, but did not make a Powerline font the default font in your
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terminal emulator (e.g., 'terminator', 'gnome-terminal', 'konsole', etc.,).
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### Contributions / Bugs / Contact
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If you have any requests or bug reports, please use the tracker in this Github
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repository.
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I'm happy to accept code contributions from anyone who has an improvement!
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Please submit your contribution as a Github pull-request.
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If you would like to contact me directly, you can find my e-mail address on my
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[Github profile page](https://github.com/bhilburn).
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