Check OCaml version of lockfile against the switch version #268
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NathanReb
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It looks great! This is a very nice addition and makes for a much better user experience. Thanks for taking care of this!
I wonder if we shouldn't also check the dune version here but I guess it's not as necessary as the error you'd get would likely tell you that a higher dune version is required. In the end I believe this will be better addressed by having a command to setup the dev environment entirely!
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Mar 17, 2022
OCaml should be backward compatible so if the user has a newer compiler we most likely don't need to warn.
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CHANGES: ### Added - Add opam extensions `x-opam-monorepo-opam-repositories` and `x-opam-monorepo-global-opam-vars` to make `lock` fully reproducible. (tarides/opam-monorepo#250, tarides/opam-monorepo#253, @NathanReb) - Show an error message when the solver can't find any version that satisfies the requested version constraint in the user's OPAM file (tarides/opam-monorepo#215, tarides/opam-monorepo#248, @Leonidas-from-XIV) - Allow packages to be marked as being provided by Opam and not to be pulled by `opam-monorepo`. To control this a new optional Opam file field, `x-opam-monorepo-opam-provided` is introduced. Its value is a list of package names that are to be excluded from being pulled (tarides/opam-monorepo#234, @Leonidas-from-XIV) - Show an error message when the OCaml version of the lock file does not match the OCaml version of the switch (tarides/opam-monorepo#267, tarides/opam-monorepo#268, @Leonidas-from-XIV) - Generate a `duniverse/README.md` file to explain the basics of `opam-monorepo` in the vendored directory (tarides/opam-monorepo#272, tarides/opam-monorepo#274, @Leonidas-from-XIV) - Add a `--prefer-cross-compile` flag for the solver to select cross-compiling versions of packages when available. This is determined through the presence of the `"cross-compile"` tag in the opam metadata. ### Changed - Bump lockfile version to 0.3 (tarides/opam-monorepo#285, @NathanReb) - Mark packages to be pulled by opam-monorepo with the `vendor` variable so using OPAM with `opam install --deps-only --locked .` will not install packages that will be installed with `opam-monorepo pull` (tarides/opam-monorepo#237, @Leonidas-from-XIV) ### Deprecated ### Fixed - Fix a bug where a package which had a single version that built with dune and got selected by the solver would be reported has having no version building with dune. (tarides/opam-monorepo#245, @Leonidas-from-XIV) - Fix the solver so it does not select beta versions of the compiler unless forced to by version constraints or `--ocaml-version`. (tarides/opam-monorepo#269, @NathanReb) ### Removed - Drop support for lockfile versions 0.2 and lower (tarides/opam-monorepo#285, @NathanReb) ### Security
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CHANGES: ### Added - Add opam extensions `x-opam-monorepo-opam-repositories` and `x-opam-monorepo-global-opam-vars` to make `lock` fully reproducible. (tarides/opam-monorepo#250, tarides/opam-monorepo#253, @NathanReb) - Show an error message when the solver can't find any version that satisfies the requested version constraint in the user's OPAM file (tarides/opam-monorepo#215, tarides/opam-monorepo#248, tarides/opam-monorepo#290 @Leonidas-from-XIV) - Allow packages to be marked as being provided by Opam and not to be pulled by `opam-monorepo`. To control this a new optional Opam file field, `x-opam-monorepo-opam-provided` is introduced. Its value is a list of package names that are to be excluded from being pulled (tarides/opam-monorepo#234, @Leonidas-from-XIV) - Show an error message when the OCaml version of the lock file does not match the OCaml version of the switch (tarides/opam-monorepo#267, tarides/opam-monorepo#268, @Leonidas-from-XIV) - Generate a `duniverse/README.md` file to explain the basics of `opam-monorepo` in the vendored directory (tarides/opam-monorepo#272, tarides/opam-monorepo#274, @Leonidas-from-XIV) - Add a `--prefer-cross-compile` flag for the solver to select cross-compiling versions of packages when available. This is determined through the presence of the `"cross-compile"` tag in the opam metadata. ### Changed - Bump lockfile version to 0.3 (tarides/opam-monorepo#285, @NathanReb) - Mark packages to be pulled by opam-monorepo with the `vendor` variable so using OPAM with `opam install --deps-only --locked .` will not install packages that will be installed with `opam-monorepo pull` (tarides/opam-monorepo#237, @Leonidas-from-XIV) ### Fixed - Fix a bug where a package which had a single version that built with dune and got selected by the solver would be reported has having no version building with dune. (tarides/opam-monorepo#245, @Leonidas-from-XIV) - Fix the solver so it does not select beta versions of the compiler unless forced to by version constraints or `--ocaml-version`. (tarides/opam-monorepo#269, @NathanReb) ### Removed - Drop support for lockfile versions 0.2 and lower (tarides/opam-monorepo#285, @NathanReb)
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Closes #267.