mirror of
https://github.com/cachix/install-nix-action.git
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134 lines
4.1 KiB
Markdown
134 lines
4.1 KiB
Markdown
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# hosted-git-info
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This will let you identify and transform various git hosts URLs between
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protocols. It also can tell you what the URL is for the raw path for
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particular file for direct access without git.
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## Example
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```javascript
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var hostedGitInfo = require("hosted-git-info")
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var info = hostedGitInfo.fromUrl("git@github.com:npm/hosted-git-info.git", opts)
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/* info looks like:
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{
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type: "github",
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domain: "github.com",
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user: "npm",
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project: "hosted-git-info"
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}
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*/
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```
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If the URL can't be matched with a git host, `null` will be returned. We
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can match git, ssh and https urls. Additionally, we can match ssh connect
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strings (`git@github.com:npm/hosted-git-info`) and shortcuts (eg,
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`github:npm/hosted-git-info`). Github specifically, is detected in the case
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of a third, unprefixed, form: `npm/hosted-git-info`.
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If it does match, the returned object has properties of:
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* info.type -- The short name of the service
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* info.domain -- The domain for git protocol use
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* info.user -- The name of the user/org on the git host
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* info.project -- The name of the project on the git host
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## Version Contract
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The major version will be bumped any time…
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* The constructor stops accepting URLs that it previously accepted.
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* A method is removed.
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* A method can no longer accept the number and type of arguments it previously accepted.
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* A method can return a different type than it currently returns.
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Implications:
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* I do not consider the specific format of the urls returned from, say
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`.https()` to be a part of the contract. The contract is that it will
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return a string that can be used to fetch the repo via HTTPS. But what
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that string looks like, specifically, can change.
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* Dropping support for a hosted git provider would constitute a breaking
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change.
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## Usage
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### var info = hostedGitInfo.fromUrl(gitSpecifier[, options])
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* *gitSpecifer* is a URL of a git repository or a SCP-style specifier of one.
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* *options* is an optional object. It can have the following properties:
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* *noCommittish* — If true then committishes won't be included in generated URLs.
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* *noGitPlus* — If true then `git+` won't be prefixed on URLs.
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## Methods
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All of the methods take the same options as the `fromUrl` factory. Options
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provided to a method override those provided to the constructor.
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* info.file(path, opts)
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Given the path of a file relative to the repository, returns a URL for
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directly fetching it from the githost. If no committish was set then
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`master` will be used as the default.
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For example `hostedGitInfo.fromUrl("git@github.com:npm/hosted-git-info.git#v1.0.0").file("package.json")`
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would return `https://raw.githubusercontent.com/npm/hosted-git-info/v1.0.0/package.json`
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* info.shortcut(opts)
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eg, `github:npm/hosted-git-info`
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* info.browse(path, fragment, opts)
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eg, `https://github.com/npm/hosted-git-info/tree/v1.2.0`,
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`https://github.com/npm/hosted-git-info/tree/v1.2.0/package.json`,
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`https://github.com/npm/hosted-git-info/tree/v1.2.0/REAMDE.md#supported-hosts`
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* info.bugs(opts)
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eg, `https://github.com/npm/hosted-git-info/issues`
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* info.docs(opts)
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eg, `https://github.com/npm/hosted-git-info/tree/v1.2.0#readme`
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* info.https(opts)
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eg, `git+https://github.com/npm/hosted-git-info.git`
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* info.sshurl(opts)
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eg, `git+ssh://git@github.com/npm/hosted-git-info.git`
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* info.ssh(opts)
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eg, `git@github.com:npm/hosted-git-info.git`
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* info.path(opts)
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eg, `npm/hosted-git-info`
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* info.tarball(opts)
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eg, `https://github.com/npm/hosted-git-info/archive/v1.2.0.tar.gz`
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* info.getDefaultRepresentation()
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Returns the default output type. The default output type is based on the
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string you passed in to be parsed
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* info.toString(opts)
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Uses the getDefaultRepresentation to call one of the other methods to get a URL for
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this resource. As such `hostedGitInfo.fromUrl(url).toString()` will give
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you a normalized version of the URL that still uses the same protocol.
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Shortcuts will still be returned as shortcuts, but the special case github
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form of `org/project` will be normalized to `github:org/project`.
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SSH connect strings will be normalized into `git+ssh` URLs.
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## Supported hosts
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Currently this supports Github, Bitbucket and Gitlab. Pull requests for
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additional hosts welcome.
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