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WIP systematize
builtins.fetchTree docs
The renaming task is splatting everything together into markdown lists. I think I want to do that with the lowdown AST; I opened kristapsdz/lowdown#131 for this purpose PR NixOS#9273 should be able to improve upon this a good bit, but I think it is still a useful stepping stone.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -227,131 +227,6 @@ static RegisterPrimOp primop_fetchTree({ | |
| document) if `fetchTree` was a curried call with the first paramter for | ||
| `type` or an attribute like `builtins.fetchTree.git`! --> | ||
| - `"file"` | ||
| Place a plain file into the Nix store. | ||
| This is similar to [`builtins.fetchurl`](@docroot@/language/builtins.md#builtins-fetchurl) | ||
| - `url` (String, required) | ||
| Supported protocols: | ||
| - `https` | ||
| > **Example** | ||
| > | ||
| > ```nix | ||
| > fetchTree { | ||
| > type = "file"; | ||
| > url = "https://example.com/index.html"; | ||
| > } | ||
| > ``` | ||
| - `http` | ||
| Insecure HTTP transfer for legacy sources. | ||
| > **Warning** | ||
| > | ||
| > HTTP performs no encryption or authentication. | ||
| > Use a `narHash` known in advance to ensure the output has expected contents. | ||
| - `file` | ||
| A file on the local file system. | ||
| > **Example** | ||
| > | ||
| > ```nix | ||
| > fetchTree { | ||
| > type = "file"; | ||
| > url = "file:///home/eelco/nix/README.md"; | ||
| > } | ||
| > ``` | ||
| - `"tarball"` | ||
| Download a tar archive and extract it into the Nix store. | ||
| This has the same underyling implementation as [`builtins.fetchTarball`](@docroot@/language/builtins.md#builtins-fetchTarball) | ||
| - `url` (String, required) | ||
| > **Example** | ||
| > | ||
| > ```nix | ||
| > fetchTree { | ||
| > type = "tarball"; | ||
| > url = "https://github.com/NixOS/nixpkgs/tarball/nixpkgs-23.11"; | ||
| > } | ||
| > ``` | ||
| - `"git"` | ||
| Fetch a Git tree and copy it to the Nix store. | ||
| This is similar to [`builtins.fetchGit`](@docroot@/language/builtins.md#builtins-fetchGit). | ||
| - `url` (String, required) | ||
| The URL formats supported are the same as for Git itself. | ||
| > **Example** | ||
| > | ||
| > ```nix | ||
| > fetchTree { | ||
| > type = "git"; | ||
| > url = "[email protected]:NixOS/nixpkgs.git"; | ||
| > } | ||
| > ``` | ||
| > **Note** | ||
| > | ||
| > If the URL points to a local directory, and no `ref` or `rev` is given, Nix will only consider files added to the Git index, as listed by `git ls-files` but use the *current file contents* of the Git working directory. | ||
| - `ref` (String, optional) | ||
| A [Git reference](https://git-scm.com/book/en/v2/Git-Internals-Git-References), such as a branch or tag name. | ||
| Default: `"HEAD"` | ||
| - `rev` (String, optional) | ||
| A Git revision; a commit hash. | ||
| Default: the tip of `ref` | ||
| - `shallow` (Bool, optional) | ||
| Make a shallow clone when fetching the Git tree. | ||
| Default: `false` | ||
| - `submodules` (Bool, optional) | ||
| Also fetch submodules if available. | ||
| Default: `false` | ||
| - `allRefs` (Bool, optional) | ||
| If set to `true`, always fetch the entire repository, even if the latest commit is still in the cache. | ||
| Otherwise, only the latest commit is fetched if it is not already cached. | ||
| Default: `false` | ||
| - `lastModified` (Integer, optional) | ||
| Unix timestamp of the fetched commit. | ||
| If set, pass through the value to the output attribute set. | ||
| Otherwise, generated from the fetched Git tree. | ||
| - `revCount` (Integer, optional) | ||
| Number of revisions in the history of the Git repository before the fetched commit. | ||
| If set, pass through the value to the output attribute set. | ||
| Otherwise, generated from the fetched Git tree. | ||
| The following input types are still subject to change: | ||
| - `"path"` | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
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@@ -191,25 +191,159 @@ struct GitInputScheme : InputScheme | |
| return "git"; | ||
| } | ||
|
|
||
| StringSet allowedAttrs() const override | ||
| std::string schemeDescription() const override | ||
| { | ||
| return stripIndentation(R"( | ||
| Fetch a Git tree and copy it to the Nix store. | ||
| This is similar to [`builtins.fetchGit`](@docroot@/language/builtins.md#builtins-fetchGit). | ||
| )"); | ||
| } | ||
|
|
||
| std::map<std::string, AttributeInfo> allowedAttrs() const override | ||
| { | ||
| return { | ||
| "url", | ||
| "ref", | ||
| "rev", | ||
| "shallow", | ||
| "submodules", | ||
| "lastModified", | ||
| "revCount", | ||
| "narHash", | ||
| "allRefs", | ||
| "name", | ||
| "dirtyRev", | ||
| "dirtyShortRev", | ||
| "verifyCommit", | ||
| "keytype", | ||
| "publicKey", | ||
| "publicKeys", | ||
| { | ||
| "url", | ||
| { | ||
| .type = "String", | ||
| .required = true, | ||
| .doc = R"( | ||
| The URL formats supported are the same as for Git itself. | ||
| > **Example** | ||
| > | ||
| > ```nix | ||
| > fetchTree { | ||
| > type = "git"; | ||
| > url = "[email protected]:NixOS/nixpkgs.git"; | ||
| > } | ||
| > ``` | ||
| > **Note** | ||
| > | ||
| > If the URL points to a local directory, and no `ref` or `rev` is given, Nix will only consider files added to the Git index, as listed by `git ls-files` but use the *current file contents* of the Git working directory. | ||
| )", | ||
| }, | ||
| }, | ||
| { | ||
| "ref", | ||
| { | ||
| .type = "String", | ||
| .required = false, | ||
| .doc = R"( | ||
| A [Git reference](https://git-scm.com/book/en/v2/Git-Internals-Git-References), such as a branch or tag name. | ||
| Default: `"HEAD"` | ||
| )", | ||
| }, | ||
| }, | ||
| { | ||
| "rev", | ||
| { | ||
| .type = "String", | ||
| .required = false, | ||
| .doc = R"( | ||
| A Git revision; a commit hash. | ||
| Default: the tip of `ref` | ||
| )", | ||
| }, | ||
| }, | ||
| { | ||
| "shallow", | ||
| { | ||
| .type = "Bool", | ||
| .required = false, | ||
| .doc = R"( | ||
| Make a shallow clone when fetching the Git tree. | ||
| Default: `false` | ||
| )", | ||
| }, | ||
| }, | ||
| { | ||
| "submodules", | ||
| { | ||
| .type = "Bool", | ||
| .required = false, | ||
| .doc = R"( | ||
| Also fetch submodules if available. | ||
| Default: `false` | ||
| )", | ||
| }, | ||
| }, | ||
| { | ||
| "lastModified", | ||
| { | ||
| .type = "integer", | ||
| .required = false, | ||
| .doc = R"( | ||
| Unix timestamp of the fetched commit. | ||
| If set, pass through the value to the output attribute set. | ||
| Otherwise, generated from the fetched Git tree. | ||
| )", | ||
| }, | ||
| }, | ||
| { | ||
| "revCount", | ||
| { | ||
| .type = "integer", | ||
| .required = false, | ||
| .doc = R"( | ||
| Number of revisions in the history of the Git repository before the fetched commit. | ||
| If set, pass through the value to the output attribute set. | ||
| Otherwise, generated from the fetched Git tree. | ||
| )", | ||
| }, | ||
| }, | ||
| { | ||
| "narHash", | ||
| {}, | ||
| }, | ||
| { | ||
| "allRefs", | ||
| { | ||
| .type = "Bool", | ||
| .required = false, | ||
| .doc = R"( | ||
| If set to `true`, always fetch the entire repository, even if the latest commit is still in the cache. | ||
| Otherwise, only the latest commit is fetched if it is not already cached. | ||
| Default: `false` | ||
| )", | ||
| }, | ||
| }, | ||
| { | ||
| "name", | ||
| {}, | ||
| }, | ||
| { | ||
| "dirtyRev", | ||
| {}, | ||
| }, | ||
| { | ||
| "dirtyShortRev", | ||
| {}, | ||
| }, | ||
| { | ||
| "verifyCommit", | ||
| {}, | ||
| }, | ||
| { | ||
| "keytype", | ||
| {}, | ||
| }, | ||
| { | ||
| "publicKey", | ||
| {}, | ||
| }, | ||
| { | ||
| "publicKeys", | ||
| {}, | ||
| }, | ||
| }; | ||
| } | ||
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