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Merge pull request #676 from chrisallenlane/install-md
docs: create `INSTALLING.md`
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Chris Allen Lane
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INSTALLING.md
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77
INSTALLING.md
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Installing
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==========
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`cheat` has no runtime dependencies. As such, installing it is generally
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straightforward. There are a few methods available:
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### Install manually
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#### Unix-like
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On Unix-like systems, you may simply paste the following snippet into your terminal:
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```sh
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cd /tmp \
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&& wget https://github.com/cheat/cheat/releases/download/4.2.5/cheat-linux-amd64.gz \
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&& gunzip cheat-linux-amd64.gz \
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&& chmod +x cheat-linux-amd64 \
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&& sudo mv cheat-linux-amd64 /usr/local/bin/cheat
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```
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You may need to need to change the version number (`4.2.5`) and the archive
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(`cheat-linux-amd64.gz`) depending on your platform.
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See the [releases page][releases] for a list of supported platforms.
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#### Windows
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TODO: community support is requested here. Please open a PR if you'd like to
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contribute installation instructions for Windows.
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### Install via `go install`
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If you have `go` version `>=1.17` available on your `PATH`, you can install
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`cheat` via `go install`:
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```sh
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go install github.com/cheat/cheat/cmd/cheat@latest
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```
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### Install via package manager
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Several community-maintained packages are also available:
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Package manager | Installing
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---------------- | -----------
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[brew][] | `brew install cheat`
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[docker][] | `alias cheat='docker run --rm bannmann/docker-cheat'`
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[nix][] | `nix-env --install cheat`
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[snap][] | `snap install cheat`
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<!--[pacman][] |-->
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## Configuring
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Three things must be done before you can use `cheat`:
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1. A config file must be generated
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2. [`cheatpaths`][cheatpaths] must be configured
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3. [Community cheatsheets][community] must be downloaded
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On first run, `cheat` will run an installer that will do all of the above
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automatically. After the installer is complete, it is strongly advised that you
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view the configuration file that was generated, as you may want to change some
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of its default values (to enable colorization, change the paginator, etc).
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### conf.yml ###
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`cheat` is configured by a YAML file that will be auto-generated on first run.
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By default, the config file is assumed to exist on an XDG-compliant
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configuration path like `~/.config/cheat/conf.yml`. If you would like to store
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it elsewhere, you may export a `CHEAT_CONFIG_PATH` environment variable that
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specifies its path:
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```sh
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export CHEAT_CONFIG_PATH="~/.dotfiles/cheat/conf.yml"
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```
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[brew]: https://formulae.brew.sh/formula/cheat
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[cheatpaths]: README.md#cheatpaths
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[community]: https://github.com/cheat/cheatsheets/
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[docker]: https://github.com/bannmann/docker-cheat
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[nix]: https://pkgs.on-nix.com/nixpkgs/cheat/
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[pacman]: #
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[releases]: https://github.com/cheat/cheat/releases
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[snap]: https://snapcraft.io/cheat
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191
README.md
191
README.md
@ -42,114 +42,6 @@ tar -xjvf '/path/to/foo.tgz'
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tar -cjvf '/path/to/foo.tgz' '/path/to/foo/'
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```
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Installing
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----------
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`cheat` has no dependencies. To install it, download the executable from the
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[releases][] page and place it on your `PATH`.
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Alternatively, if you have [go][] installed, you may install `cheat` using `go
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get`:
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```sh
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go get -u github.com/cheat/cheat/cmd/cheat
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```
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Configuring
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-----------
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### conf.yml ###
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`cheat` is configured by a YAML file that will be auto-generated on first run.
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By default, the config file is assumed to exist on an XDG-compliant
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configuration path like `~/.config/cheat/conf.yml`. If you would like to store
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it elsewhere, you may export a `CHEAT_CONFIG_PATH` environment variable that
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specifies its path:
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```sh
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export CHEAT_CONFIG_PATH="~/.dotfiles/cheat/conf.yml"
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```
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Cheatsheets
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-----------
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Cheatsheets are plain-text files with no file extension, and are named
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according to the command used to view them:
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```sh
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cheat tar # file is named "tar"
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cheat foo/bar # file is named "bar", in a "foo" subdirectory
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```
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Cheatsheet text may optionally be preceeded by a YAML frontmatter header that
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assigns tags and specifies syntax:
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```
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---
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syntax: javascript
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tags: [ array, map ]
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---
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// To map over an array:
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const squares = [1, 2, 3, 4].map(x => x * x);
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```
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The `cheat` executable includes no cheatsheets, but [community-sourced
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cheatsheets are available][cheatsheets]. You will be asked if you would like to
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install the community-sourced cheatsheets the first time you run `cheat`.
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### Script ###
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You can manage the cheatsheets via a script `cheatsheets`.
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#### Download and install ####
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```sh
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mkdir -p ~/.local/bin
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wget -O ~/.local/bin/cheatsheets https://raw.githubusercontent.com/cheat/cheat/master/scripts/git/cheatsheets
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chmod +x ~/.local/bin/cheatsheets
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```
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#### Pull changes ####
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To pull the community and personal cheatsheets call `cheatsheets pull`
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#### Push changes ####
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To push your personal cheatsheets call `cheatsheets push`
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Cheatpaths
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----------
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Cheatsheets are stored on "cheatpaths", which are directories that contain
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cheatsheets. Cheatpaths are specified in the `conf.yml` file.
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It can be useful to configure `cheat` against multiple cheatpaths. A common
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pattern is to store cheatsheets from multiple repositories on individual
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cheatpaths:
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```yaml
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# conf.yml:
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# ...
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cheatpaths:
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- name: community # a name for the cheatpath
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path: ~/documents/cheat/community # the path's location on the filesystem
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tags: [ community ] # these tags will be applied to all sheets on the path
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readonly: true # if true, `cheat` will not create new cheatsheets here
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- name: personal
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path: ~/documents/cheat/personal # this is a separate directory and repository than above
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tags: [ personal ]
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readonly: false # new sheets may be written here
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# ...
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```
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The `readonly` option instructs `cheat` not to edit (or create) any cheatsheets
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on the path. This is useful to prevent merge-conflicts from arising on upstream
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cheatsheet repositories.
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If a user attempts to edit a cheatsheet on a read-only cheatpath, `cheat` will
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transparently copy that sheet to a writeable directory before opening it for
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editing.
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### Directory-scoped Cheatpaths ###
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At times, it can be useful to closely associate cheatsheets with a directory on
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your filesystem. `cheat` facilitates this by searching for a `.cheat` folder in
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the current working directory. If found, the `.cheat` directory will
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(temporarily) be added to the cheatpaths.
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Usage
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-----
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To view a cheatsheet:
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@ -210,7 +102,77 @@ cheat -p personal -t networking --regex -s '(?:[0-9]{1,3}\.){3}[0-9]{1,3}'
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```
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Advanced Usage
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Installing
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----------
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For installation and configuration instructions, see [INSTALLING.md][].
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Cheatsheets
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-----------
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Cheatsheets are plain-text files with no file extension, and are named
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according to the command used to view them:
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```sh
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cheat tar # file is named "tar"
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cheat foo/bar # file is named "bar", in a "foo" subdirectory
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```
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Cheatsheet text may optionally be preceeded by a YAML frontmatter header that
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assigns tags and specifies syntax:
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```
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---
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syntax: javascript
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tags: [ array, map ]
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---
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// To map over an array:
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const squares = [1, 2, 3, 4].map(x => x * x);
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```
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The `cheat` executable includes no cheatsheets, but [community-sourced
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cheatsheets are available][cheatsheets]. You will be asked if you would like to
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install the community-sourced cheatsheets the first time you run `cheat`.
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Cheatpaths
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----------
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Cheatsheets are stored on "cheatpaths", which are directories that contain
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cheatsheets. Cheatpaths are specified in the `conf.yml` file.
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It can be useful to configure `cheat` against multiple cheatpaths. A common
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pattern is to store cheatsheets from multiple repositories on individual
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cheatpaths:
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```yaml
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# conf.yml:
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# ...
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cheatpaths:
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- name: community # a name for the cheatpath
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path: ~/documents/cheat/community # the path's location on the filesystem
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tags: [ community ] # these tags will be applied to all sheets on the path
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readonly: true # if true, `cheat` will not create new cheatsheets here
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- name: personal
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path: ~/documents/cheat/personal # this is a separate directory and repository than above
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tags: [ personal ]
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readonly: false # new sheets may be written here
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# ...
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```
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The `readonly` option instructs `cheat` not to edit (or create) any cheatsheets
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on the path. This is useful to prevent merge-conflicts from arising on upstream
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cheatsheet repositories.
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If a user attempts to edit a cheatsheet on a read-only cheatpath, `cheat` will
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transparently copy that sheet to a writeable directory before opening it for
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editing.
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### Directory-scoped Cheatpaths ###
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At times, it can be useful to closely associate cheatsheets with a directory on
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your filesystem. `cheat` facilitates this by searching for a `.cheat` folder in
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the current working directory. If found, the `.cheat` directory will
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(temporarily) be added to the cheatpaths.
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Autocompletion
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--------------
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Shell autocompletion is currently available for `bash`, `fish`, and `zsh`. Copy
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the relevant [completion script][completions] into the appropriate directory on
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@ -223,8 +185,9 @@ Additionally, `cheat` supports enhanced autocompletion via integration with
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1. Ensure that `fzf` is available on your `$PATH`
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2. Set an envvar: `export CHEAT_USE_FZF=true`
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[Releases]: https://github.com/cheat/cheat/releases
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[cheatsheets]: https://github.com/cheat/cheatsheets
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[completions]: https://github.com/cheat/cheat/tree/master/scripts
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[fzf]: https://github.com/junegunn/fzf
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[go]: https://golang.org
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[INSTALLING.md]: INSTALLING.md
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[Releases]: https://github.com/cheat/cheat/releases
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[cheatsheets]: https://github.com/cheat/cheatsheets
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[completions]: https://github.com/cheat/cheat/tree/master/scripts
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[fzf]: https://github.com/junegunn/fzf
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[go]: https://golang.org
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