107 lines
3.6 KiB
Markdown
107 lines
3.6 KiB
Markdown
# tmpl templates
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This documentation aims to cover FAQs and setup.
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## Setting up a template
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A "valid" tmpl template only requires two things
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1. A `template.toml` file in the root directory.
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2. A `template` directory that serves as the "root" of the template.
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## template.toml
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```toml
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# Key-value pairs can be simple
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# The user will receive a basic prompt asking them to fill out the variable
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project = "my-project"
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# Extended properties MUST be added after any simple key-value pairs (due to how TOML works)
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# The "key" is enclosed in braces
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[author]
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# prompt is what will be shown to prompt the user
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prompt = "The name of the author of this project"
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# help would be extra information (generally seen by giving '?' to a prompt)
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help = "Who will be primarily writing this project"
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# default is the "value" part of the simple pair. This could be a suggested value
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default = "me"
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```
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## template directory
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This directory contains any and all files that are part of the template.
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Everything in this directory (including paths and file names!) will be executed as a [Go template](https://golang.org/pkg/text/template/).
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See the [documentation](https://golang.org/pkg/text/template/) for every available possibility, but some basic examples are...
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* A variable defined in template.toml (tmpl allows for keys to be called as a func or variable, whichever you prefer!)
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* `{{project}}` or `{{.project}}`
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* `{{author}}` or `{{.author}}`
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* Conditionally including something
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* `{{if eq project ""}} something... {{end}}`
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### template helpers
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For a full list, see [helper.go](registry/helper.go)
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|Helper|Example|Output|
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|-----|-----|-----|
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|upper|`{{upper project}}`|`MY-PROJECT`|
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|lower|`{{lower project}}`|`my-project`|
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|title|`{{title project}}`|`My-Project`|
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|snake|`{{snake project}}`|`my_project`|
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|kebab|`{{kebab project}}`|`my-project`|
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|pascal|`{{pascal project}}`|`MyProject`|
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|camel|`{{camel project}}`|`myProject`|
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|env|`{{env "USER"}}`|The current user|
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|sep|`{{sep}}`|Filepath separator for current OS|
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|time}|`{{time "01/02/2006"}}`|`11/21/2020` - The time according to the given [format](https://flaviocopes.com/go-date-time-format/)|
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## Sources
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tmpl was designed to work with any local or git-based template. Unfortunately, in contrast to boilr, this means
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it cannot be used with `user/repo` notation out of the box.
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However, you _can_ set up a source (and subsequent env variable) to make it easier to use your preferred source while
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still allowing for others.
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### Setting up a source
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Let's set up a source for [Gitea](https://gitea.com)
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```
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tmpl source add https://gitea.com gitea
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```
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To use it, either pass it in with the `--source` flag
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```
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tmpl --source gitea download jolheiser/tmpls tmpls
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```
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Or set it as the env variable `TMPL_SOURCE`
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## Using a different branch
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By default, tmpl will want to use a branch called `main` in your repository.
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If you are using another branch as your default, you can set it as the env variable `TMPL_BRANCH`
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Alternatively, you can specify on the command-line with the `--branch` flag of the `download` command
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```
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tmpl --source gitea download --branch license jolheiser/tmpls license
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```
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The above command would download the [license](https://gitea.com/jolheiser/tmpls/src/branch/license) template from `jolheiser/tmpls`
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## Putting it all together
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I realize that many users will be using GitHub, and most will likely still be using the `master` branch.
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1. Set up a source for GitHub
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1. `tmpl source add https://github.com github`
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2. Set the env variable `TMPL_SOURCE` to `github`
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2. Set the env variable `TMPL_BRANCH` to `master`
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3. Happy templating! `tmpl download user/repo repo` |