2023-10-25 18:22:37 +00:00
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# Module interface:
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May call the functions:
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- `load_module ${mod_filename}` to depend on another module
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May adjust the variables:
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- `packages` (array of depspecs) packages to download and install
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- `cache_packages` (array of depspecs) packages to download but not
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install
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- `pre_install` (array of `uint:funcname` pairs) functions to call
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after `${packages[@]}` and `${cache_packages[@]}` are downloaded,
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but before `${packages[@]}` are installed. The listed functions
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are called in numeric order of the provided number. Each function
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is called with the image mountpoint as an argument.
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You are encouraged to prefix your function names with `modulename:`
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to avoid naming conflicts. Typical use looks like:
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```bash
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pre_install+=(99:mymodule:last_thing)
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mymodule:last_thing() {
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local arg_mountpoint=$2
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# function body here
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}
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```
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- `post_install` (array of `uint:funcname` pairs) like `pre_install`,
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functions to call but called after `${packages[@]}` are installed.
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2023-11-04 07:06:55 +00:00
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All built-in hooks are in the ranges:
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- 10-19
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- 45-54
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- 80-89
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Which means that if you rely on running before or after them, your
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safe ranges are:
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- 00-09 # 10
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- 20-44 # 25
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- 55-79 # 25
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- 90-99 # 10
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