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145 lines
4.0 KiB
Markdown
145 lines
4.0 KiB
Markdown
# silo
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Silo is a dotfile manager that supports templating.
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## Install
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Currently silo can only be installed manually by cloning the repo and running `cargo install --path .`
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## Usage
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### Create Repo
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First create a repo
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```nu
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silo --repo /path/to/repo init
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```
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This creates the repo directory and initializes a git repository.
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If no `--repo` argument is passed, it will default to `$HOME/.local/share/silo` or `$HOME/AppData/Roaming/silo`.
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If you have an existing repo somewhere you can do
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```nu
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silo --repo /path/to/repo init <remote-url>
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```
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which will clone the remote repository to the given path.
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### Add configuration files
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Now add some configuration files you want to track.
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Silo uses metadata-files to keep track of which files belong where.
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For example if you want all files in the root directory of your repo to be copied over
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to your home folder, you'd add a `silo.dir.lua` entry like this:
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```lua
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local silo = require 'silo'
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return {
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path = silo.dirs.home,
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-- defaults to "exclude". Can be "include" to only look at included paths
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mode = "exclude",
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-- excluded glob patterns if mode is "exclude"
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exclude = {},
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-- included glob patterns if mode is "include"
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include = {}
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}
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```
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The `silo` module provides utility functions and values that can be used in configuration files.
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You can print those while evaluating the config files by using the `log` module:
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```lua
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local silo = require 'silo'
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local log = require 'log'
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log.debug(silo) -- debug prints the input value serialized as json
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return {
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path = silo.dirs.home,
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}
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```
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Now add some files to a directory `content` in the repo.
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Normal files get just copied over. Subdirectories are created and copied as well, unless they themselves
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contain a `dirs.toml` file that specifies a different location.
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Files ending with `.tmpl` are treated as [handlebars templates](https://handlebarsjs.com/) and are processed
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before being written to the target location. The `.tmpl` extension will be stripped from the filename.
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You can check the available context variables and their values on the system with `silo context`.
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### Applying the configuration
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Once you have a repo you want to apply you can run
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```nu
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silo --repo /path/to/repo apply
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```
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which will process and copy over all the configuration files of that repository.
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### Configuring Silo
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Silo has several configuration files that are applied in the following order:
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- `~/.config/silo.config.lua` (or the equivalent on windows)
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- `silo.config.lua` in the repo's folder
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- environment variables with prefix `SILO_`
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A configuration file looks like this (with all the defaults):
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```lua
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local silo = require 'silo'
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local config = silo.default_config
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-- The diff tool that is being used when displaying changes and prompting for confirmation
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config.diff_tool = "diff"
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-- Additional context that is available in all handlebar templates under the `ctx` variable
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config.hello = "world"
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return config
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```
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### Advanced
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#### File permissions
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File permissions are persisted the way git stored them. This is true for templates as well. So a template with
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execute permission will result in a rendered file with the same permission.
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#### Hooks
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All `.hook.lua` files in the `hooks` folder in the repos root are interpreted as hook scripts.
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Currently there's four functions that can be defined in these scripts that correspond to
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events of the same name:
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```
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before_apply_all
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after_apply_all
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before_apply_each
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after_apply_each
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```
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These functions will be called with a single argument, the event context, that can be used
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to change certain properties of files or inspect the entire list of files that are about to be written.
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For example one could change the attributes of script files with the following hook
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```lua
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local utils = require 'utils'
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local chmod = utils.ext 'chmod'
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return {
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-- Make `test-2/main` executable
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after_apply_each = function(ctx)
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local fname = "test-2/main"
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if string.sub(ctx.dst, -#fname) == fname then
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chmod {"+x", ctx.dst}
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end
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end
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}
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```
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### License
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CNPL-v7+
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