feat: add wasi support

[vincent-herlemont]

Related to #65

• Waiting for stabilise https://doc.rust-lang.org/std/os/wasi/fs/trait.FileExt.html
  • redb/...github/workflows/ci.yml#L95-L95
  • https://github.com/cberner/redb/blob/master/src/lib.rs#L10
• Fix tests feat: add wasi support #81 (comment)

[vincent-herlemont]

Fail on tests:

error[E0433]: failed to resolve: could not find `unix` in `os`
   --> /home/vincentherlemont/.cargo/registry/src/index.crates.io-6f17d22bba15001f/assert_fs-1.1.0/src/fixture/tools.rs:376:14
    |
376 |     std::os::unix::fs::symlink(target, link).chain(FixtureError::new(FixtureKind::Symlink))?;
    |              ^^^^ could not find `unix` in `os`
    |
help: consider importing this module
    |
3   + use std::os::wasi::fs;
    |
help: if you import `fs`, refer to it directly
    |
376 -     std::os::unix::fs::symlink(target, link).chain(FixtureError::new(FixtureKind::Symlink))?;
376 +     fs::symlink(target, link).chain(FixtureError::new(FixtureKind::Symlink))?;
    |

error[E0433]: failed to resolve: could not find `unix` in `os`
   --> /home/vincentherlemont/.cargo/registry/src/index.crates.io-6f17d22bba15001f/assert_fs-1.1.0/src/fixture/tools.rs:382:14
    |
382 |     std::os::unix::fs::symlink(target, link).chain(FixtureError::new(FixtureKind::Symlink))?;
    |              ^^^^ could not find `unix` in `os`
    |
help: consider importing this module
    |
3   + use std::os::wasi::fs;
    |
help: if you import `fs`, refer to it directly
    |
382 -     std::os::unix::fs::symlink(target, link).chain(FixtureError::new(FixtureKind::Symlink))?;
382 +     fs::symlink(target, link).chain(FixtureError::new(FixtureKind::Symlink))?;
    |

[GregoryConrad]

As a heads up, iirc, FileExt won’t be stabilized for WASI until years from now since WASI itself isn’t stable. You should probably add a nightly cargo feature and then require users to enable it when FileExt is needed

[vincent-herlemont]

As a heads up, iirc, FileExt won’t be stabilized for WASI until years from now since WASI itself isn’t stable. You should probably add a nightly cargo feature and then require users to enable it when FileExt is needed

Ho okay, thanks for the information. I will do that.