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and also rename `advancedPrint` to `bufferedPrint` in the zig init templates
These are left overs from my previous changes to zig init.
The new templating system removes LITNAME because the new restrictions on package names make it redundant with NAME, and the use of underscores for marking templated identifiers lets us template variable names while still keeping zig fmt happy.
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This commit introduces a new flag to generate a new Zig project using
`zig init` without comments for users who are already familiar with the
Zig build system.
Additionally, the generated files are now different. Previously we would
generate a set of files that defined a static library and an executable,
which real-life experience has shown to cause confusion to newcomers.
The new template generates one Zig module and one executable both in
order to accommodate the two most common use cases, but also to suggest
that a library could use a CLI tool (e.g. a parser library could use a
CLI tool that provides syntax checking) and vice-versa a CLI tool might
want to expose its core functionality as a Zig module.
All references to C interoperability are removed from the template under
the assumption that if you're tall enough to do C interop, you're also
tall enough to find your way around the build system. Experienced users
will still be able to use the current template and adapt it with minimal
changes in order to perform more advanced operations. As an example, one
only needs to change `b.addExecutable` to `b.addLibrary` to switch from
generating an executable to a dynamic (or static) library.
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closes #23040
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mainly this addresses the following use case:
1. Someone creates a template with build.zig.zon, id field included
(note that zig init does not create this problem since it generates
fresh id every time it runs).
2. User A uses the template, changing package name to "example" but not
id field.
3. User B uses the same template, changing package name also to
"example", also not changing the id field.
Here, both packages have unintentional conflicting logical ids.
By making the field a combination of name checksum + random id, this
accident is avoided. "nonce" is an OK name for this.
Also relaxes errors on remote packages when using `zig fetch`.
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Introduces the `id` field to `build.zig.zon`.
Together with name, this represents a globally unique package
identifier. This field should be initialized with a 16-bit random number
when the package is first created, and then *never change*. This allows
Zig to unambiguously detect when one package is an updated version of
another.
When forking a Zig project, this id should be regenerated with a new
random number if the upstream project is still maintained. Otherwise,
the fork is *hostile*, attempting to take control over the original
project's identity.
`0x0000` is invalid because it obviously means a random number wasn't
used.
`0xffff` is reserved to represent "naked" packages.
Tracking issue #14288
Additionally:
* Fix bad path in error messages regarding build.zig.zon file.
* Manifest validates that `name` and `version` field of build.zig.zon
are maximum 32 bytes.
* Introduce error for root package to not switch to enum literal for
name.
* Introduce error for root package to omit `id`.
* Update init template to generate `id`
* Update init template to populate `minimum_zig_version`.
* New package hash format changes:
- name and version limited to 32 bytes via error rather than truncation
- truncate sha256 to 192 bits rather than 40 bits
- include the package id
This means that, given only the package hashes for a complete dependency
tree, it is possible to perform version selection and know the final
size on disk, without doing any fetching whatsoever. This prevents
wasted bandwidth since package versions not selected do not need to be
fetched.
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There's been some proliferation of dependency URLs that reference
mutable data such as links to git branches that can change. This has
resulted in broken projects, i.e.
* https://github.com/RohanVashisht1234/raylib_rain_train/blob/9eef9de94c511f2eb4fe5db1d6abd574ee245c9b/build.zig.zon
* https://github.com/rcmagic/ZigFightingGame/commit/4b64353e9c69de0fa2eb87fa9c3a3da76a8a3e7b
There's also disagreement about whether it's fine for URL's to point to
git branches, i.e.
https://github.com/Not-Nik/raylib-zig/pull/130
This updates the docs to mention that zig won't be able to use URLs if
their content changes.
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related #20178
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Clarify the usage of .paths in build.zig.zon. Follow the recommendation
of the comments to explicitly list paths by explicitly listing the paths
in the init project.
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Also added the same description to doc/build.zig.zon.md
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* Grammar fixes
Just a couple things I noticed
* Update build.zig.zon.md
Fix a/an usage for zon doc
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```
--save Add the fetched package to build.zig.zon
--save=[name] Add the fetched package to build.zig.zon as name
```
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