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docs: create INSTALLING.md

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- Create `INSTALLING.md`
- Update the `README.md`
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Christopher Allen Lane
2022-07-05 11:19:40 -04:00
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INSTALLING.md Normal file
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Installing
==========
`cheat` has no runtime dependencies. As such, installing it is generally
straightforward. There are a few methods available:
### Install manually
#### Unix-like
On Unix-like systems, you may simply paste the following snippet into your terminal:
```sh
cd /tmp \
&& wget https://github.com/cheat/cheat/releases/download/4.2.5/cheat-linux-amd64.gz \
&& gunzip cheat-linux-amd64.gz \
&& chmod +x cheat-linux-amd64 \
&& sudo mv cheat-linux-amd64 /usr/local/bin/cheat
```
You may need to need to change the version number (`4.2.5`) and the archive
(`cheat-linux-amd64.gz`) depending on your platform.
See the [releases page][releases] for a list of supported platforms.
#### Windows
TODO: community support is requested here. Please open a PR if you'd like to
contribute installation instructions for Windows.
### Install via `go install`
If you have `go` version `>=1.17` available on your `PATH`, you can install
`cheat` via `go install`:
```sh
go install github.com/cheat/cheat/cmd/cheat@latest
```
### Install via package manager
Several community-maintained packages are also available:
Package manager | Installing
---------------- | -----------
[brew][] | `brew install cheat`
[docker][] | `alias cheat='docker run --rm bannmann/docker-cheat'`
[nix][] | `nix-env --install cheat`
[snap][] | `snap install cheat`
<!--[pacman][] |-->
## Configuring
Three things must be done before you can use `cheat`:
1. A config file must be generated
2. [`cheatpaths`][cheatpaths] must be configured
3. [Community cheatsheets][community] must be downloaded
On first run, `cheat` will run an installer that will do all of the above
automatically. After the installer is complete, it is strongly advised that you
view the configuration file that was generated, as you may want to change some
of its default values (to enable colorization, change the paginator, etc).
### conf.yml ###
`cheat` is configured by a YAML file that will be auto-generated on first run.
By default, the config file is assumed to exist on an XDG-compliant
configuration path like `~/.config/cheat/conf.yml`. If you would like to store
it elsewhere, you may export a `CHEAT_CONFIG_PATH` environment variable that
specifies its path:
```sh
export CHEAT_CONFIG_PATH="~/.dotfiles/cheat/conf.yml"
```
[brew]: https://formulae.brew.sh/formula/cheat
[cheatpaths]: README.md#cheatpaths
[community]: https://github.com/cheat/cheatsheets/
[docker]: https://github.com/bannmann/docker-cheat
[nix]: https://pkgs.on-nix.com/nixpkgs/cheat/
[pacman]: #
[releases]: https://github.com/cheat/cheat/releases
[snap]: https://snapcraft.io/cheat

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README.md
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@@ -42,114 +42,6 @@ tar -xjvf '/path/to/foo.tgz'
tar -cjvf '/path/to/foo.tgz' '/path/to/foo/' tar -cjvf '/path/to/foo.tgz' '/path/to/foo/'
``` ```
Installing
----------
`cheat` has no dependencies. To install it, download the executable from the
[releases][] page and place it on your `PATH`.
Alternatively, if you have [go][] installed, you may install `cheat` using `go
get`:
```sh
go get -u github.com/cheat/cheat/cmd/cheat
```
Configuring
-----------
### conf.yml ###
`cheat` is configured by a YAML file that will be auto-generated on first run.
By default, the config file is assumed to exist on an XDG-compliant
configuration path like `~/.config/cheat/conf.yml`. If you would like to store
it elsewhere, you may export a `CHEAT_CONFIG_PATH` environment variable that
specifies its path:
```sh
export CHEAT_CONFIG_PATH="~/.dotfiles/cheat/conf.yml"
```
Cheatsheets
-----------
Cheatsheets are plain-text files with no file extension, and are named
according to the command used to view them:
```sh
cheat tar # file is named "tar"
cheat foo/bar # file is named "bar", in a "foo" subdirectory
```
Cheatsheet text may optionally be preceeded by a YAML frontmatter header that
assigns tags and specifies syntax:
```
---
syntax: javascript
tags: [ array, map ]
---
// To map over an array:
const squares = [1, 2, 3, 4].map(x => x * x);
```
The `cheat` executable includes no cheatsheets, but [community-sourced
cheatsheets are available][cheatsheets]. You will be asked if you would like to
install the community-sourced cheatsheets the first time you run `cheat`.
### Script ###
You can manage the cheatsheets via a script `cheatsheets`.
#### Download and install ####
```sh
mkdir -p ~/.local/bin
wget -O ~/.local/bin/cheatsheets https://raw.githubusercontent.com/cheat/cheat/master/scripts/git/cheatsheets
chmod +x ~/.local/bin/cheatsheets
```
#### Pull changes ####
To pull the community and personal cheatsheets call `cheatsheets pull`
#### Push changes ####
To push your personal cheatsheets call `cheatsheets push`
Cheatpaths
----------
Cheatsheets are stored on "cheatpaths", which are directories that contain
cheatsheets. Cheatpaths are specified in the `conf.yml` file.
It can be useful to configure `cheat` against multiple cheatpaths. A common
pattern is to store cheatsheets from multiple repositories on individual
cheatpaths:
```yaml
# conf.yml:
# ...
cheatpaths:
- name: community # a name for the cheatpath
path: ~/documents/cheat/community # the path's location on the filesystem
tags: [ community ] # these tags will be applied to all sheets on the path
readonly: true # if true, `cheat` will not create new cheatsheets here
- name: personal
path: ~/documents/cheat/personal # this is a separate directory and repository than above
tags: [ personal ]
readonly: false # new sheets may be written here
# ...
```
The `readonly` option instructs `cheat` not to edit (or create) any cheatsheets
on the path. This is useful to prevent merge-conflicts from arising on upstream
cheatsheet repositories.
If a user attempts to edit a cheatsheet on a read-only cheatpath, `cheat` will
transparently copy that sheet to a writeable directory before opening it for
editing.
### Directory-scoped Cheatpaths ###
At times, it can be useful to closely associate cheatsheets with a directory on
your filesystem. `cheat` facilitates this by searching for a `.cheat` folder in
the current working directory. If found, the `.cheat` directory will
(temporarily) be added to the cheatpaths.
Usage Usage
----- -----
To view a cheatsheet: To view a cheatsheet:
@@ -210,7 +102,77 @@ cheat -p personal -t networking --regex -s '(?:[0-9]{1,3}\.){3}[0-9]{1,3}'
``` ```
Advanced Usage
Installing
----------
For installation and configuration instructions, see [INSTALLING.md][].
Cheatsheets
-----------
Cheatsheets are plain-text files with no file extension, and are named
according to the command used to view them:
```sh
cheat tar # file is named "tar"
cheat foo/bar # file is named "bar", in a "foo" subdirectory
```
Cheatsheet text may optionally be preceeded by a YAML frontmatter header that
assigns tags and specifies syntax:
```
---
syntax: javascript
tags: [ array, map ]
---
// To map over an array:
const squares = [1, 2, 3, 4].map(x => x * x);
```
The `cheat` executable includes no cheatsheets, but [community-sourced
cheatsheets are available][cheatsheets]. You will be asked if you would like to
install the community-sourced cheatsheets the first time you run `cheat`.
Cheatpaths
----------
Cheatsheets are stored on "cheatpaths", which are directories that contain
cheatsheets. Cheatpaths are specified in the `conf.yml` file.
It can be useful to configure `cheat` against multiple cheatpaths. A common
pattern is to store cheatsheets from multiple repositories on individual
cheatpaths:
```yaml
# conf.yml:
# ...
cheatpaths:
- name: community # a name for the cheatpath
path: ~/documents/cheat/community # the path's location on the filesystem
tags: [ community ] # these tags will be applied to all sheets on the path
readonly: true # if true, `cheat` will not create new cheatsheets here
- name: personal
path: ~/documents/cheat/personal # this is a separate directory and repository than above
tags: [ personal ]
readonly: false # new sheets may be written here
# ...
```
The `readonly` option instructs `cheat` not to edit (or create) any cheatsheets
on the path. This is useful to prevent merge-conflicts from arising on upstream
cheatsheet repositories.
If a user attempts to edit a cheatsheet on a read-only cheatpath, `cheat` will
transparently copy that sheet to a writeable directory before opening it for
editing.
### Directory-scoped Cheatpaths ###
At times, it can be useful to closely associate cheatsheets with a directory on
your filesystem. `cheat` facilitates this by searching for a `.cheat` folder in
the current working directory. If found, the `.cheat` directory will
(temporarily) be added to the cheatpaths.
Autocompletion
-------------- --------------
Shell autocompletion is currently available for `bash`, `fish`, and `zsh`. Copy Shell autocompletion is currently available for `bash`, `fish`, and `zsh`. Copy
the relevant [completion script][completions] into the appropriate directory on the relevant [completion script][completions] into the appropriate directory on
@@ -223,8 +185,9 @@ Additionally, `cheat` supports enhanced autocompletion via integration with
1. Ensure that `fzf` is available on your `$PATH` 1. Ensure that `fzf` is available on your `$PATH`
2. Set an envvar: `export CHEAT_USE_FZF=true` 2. Set an envvar: `export CHEAT_USE_FZF=true`
[Releases]: https://github.com/cheat/cheat/releases [INSTALLING.md]: INSTALLING.md
[cheatsheets]: https://github.com/cheat/cheatsheets [Releases]: https://github.com/cheat/cheat/releases
[completions]: https://github.com/cheat/cheat/tree/master/scripts [cheatsheets]: https://github.com/cheat/cheatsheets
[fzf]: https://github.com/junegunn/fzf [completions]: https://github.com/cheat/cheat/tree/master/scripts
[go]: https://golang.org [fzf]: https://github.com/junegunn/fzf
[go]: https://golang.org