gitlinker.nvim

Maintained fork of ruifm's gitlinker, refactored with bug fixes, ssh host alias, blame support and other improvements.

A lua plugin for Neovim to generate sharable file permalinks (with line ranges) for git host websites. Inspired by tpope/vim-fugitive's :GBrowse.

Here's an example of git permalink: https://github.com/neovim/neovim/blob/2e156a3b7d7e25e56b03683cc6228c531f4c91ef/src/nvim/main.c#L137-L156.

GitLink-v2.mp4

For now supported platforms are:

PRs are welcomed for other git host websites!

Break Changes & Updates

Break Changes:
- Provide GitLink command instead of default key mappings.
New Features:
- Windows (+wsl2) support.
- Blame support.
- Full git protocols support.
- Respect ssh host alias.
- Add ?plain=1 for markdown files.
Improvements:
- Use git stderr output as error message.
- Async child process IO via coroutine and uv.spawn.
- No third-party dependencies.

Requirements

Note

This plugin keeps update with the latest stable Neovim version, supports until the last legacy version, while earlier versions are dropped for maintenance reason. For example at the time of writing (2024-08-20), stable is 0.10, last legacy is 0.9. Thus this plugin supports 0.9+.

Neovim ≥ 0.9.
git.
ssh (optional for resolve ssh host alias).
wslview (optional for open browser from Windows wsl2).

Installation

With lazy.nvim

require("lazy").setup({
  {
    "linrongbin16/gitlinker.nvim",
    cmd = "GitLink",
    opts = {},
    keys = {
      { "<leader>gy", "<cmd>GitLink<cr>", mode = { "n", "v" }, desc = "Yank git link" },
      { "<leader>gY", "<cmd>GitLink!<cr>", mode = { "n", "v" }, desc = "Open git link" },
    },
  },
})

With pckr.nvim

return require('pckr').add(
  {
    'linrongbin16/gitlinker.nvim',
    config = function()
      require('gitlinker').setup()
    end,
  };
)

Usage

Command

You can use the user command GitLink to generate a (perm)link to the git host website:

GitLink: copy the /blob url to clipboard.
GitLink blame: copy the /blame url to clipboard.
GitLink default_branch: copy the /main or /master url to clipboard.
GitLink current_branch: copy the current branch url to clipboard.

Note

Add ! after the command (GitLink!) to directly open the url in browser.

There're several router types:

browse: generate the /blob url (default).
blame: generate the /blame url.
default_branch: generate the /main or /master url.
current_branch: generate the current branch url.

Note

A router type is a collection of multiple implementations binding on different git host websites, it works for any git hosts. For example the bitbucket.org:

browse generates the /src url (default): https://bitbucket.org/gitlinkernvim/gitlinker.nvim/src/dbf3922382576391fbe50b36c55066c1768b08b6/.gitignore#lines-9:14.
blame generates the /annotate url: https://bitbucket.org/gitlinkernvim/gitlinker.nvim/annotate/dbf3922382576391fbe50b36c55066c1768b08b6/.gitignore#lines-9:14.
default_branch generates the /main or /master url: https://bitbucket.org/gitlinkernvim/gitlinker.nvim/src/master/.gitignore#lines-9:14.
current_branch generates the current branch url: https://bitbucket.org/gitlinkernvim/gitlinker.nvim/src/feat-dev/.gitignore#lines-9:14.

Multiple Remotes

When there are multiple git remotes, please specify the remote with remote=xxx parameter. For example:

GitLink remote=upstream: copy url for the upstream remote.
GitLink! blame remote=upstream: open blame url for the upstream remote.

Note

By default GitLink will use the first detected remote (usually it's origin).

Relative File Path

When the current buffer name is not the file name you want, please specify the target file path with file=xxx parameter. For example:

GitLink file=lua/gitlinker.lua: copy url for the lua/gitlinker.lua file.
GitLink! blame file=README.md: open blame url for the README.md file.

Note

By default GitLink will use the current buffer's name.

Commit ID

When the current git repository's commit ID is not that one you want, please specify the target commit ID with rev=xxx parameter. For example:

GitLink rev=00b3f9a1: copy url for the 00b3f9a1 commit ID.
GitLink! blame rev=00b3f9a1: open blame url for the 00b3f9a1 commit ID.

Note

By default GitLink will use the current git repository's commit ID.

API

Note

Highly recommend reading Customize Urls before this section, which helps understanding the router design of this plugin.

Click here to see the details.

You can also use the link API to generate git permlink:

--- @alias gitlinker.Linker {remote_url:string,protocol:string?,username:string?,password:string?,host:string,port:string?,org:string?,user:string?,repo:string,rev:string,file:string,lstart:integer,lend:integer,file_changed:boolean,default_branch:string?,current_branch:string?}
--- @alias gitlinker.Router fun(lk:gitlinker.Linker):string?
--- @alias gitlinker.Action fun(url:string):any
--- @param opts {router_type:string?,router:gitlinker.Router?,action:gitlinker.Action?,lstart:integer?,lend:integer?,message:boolean?,highlight_duration:integer?,remote:string?,file:string?,rev:string?}?
require("gitlinker").link(opts)

The GitLink is actually just a user command wrapper on this API.

Parameters:

opts: (Optional) lua table that contains below fields:
- router_type: Which router type should use. By default is browse when not specified. It has below options:
  - browse
  - blame
  - default_branch
  - current_branch
- router: Which router implementation should use. By default it uses the configured implementations when this plugin is been setup (see Configuration). You can overwrite the configured behavior by passing your implementation to this field. Please see gitlinker.Router for more details.
  
  [!NOTE]
  
  Once set this field, you will get full control of generating the url, and router_type field will no longer take effect.
- action: What action should do. By default it will copy the generated link to clipboard. It has below options, please see gitlinker.Action for more details.
  - require("gitlinker.actions").clipboard: Copy url to clipboard.
  - require("gitlinker.actions").system: Open url in browser.
- lstart/lend: Line range, i.e. start and end line numbers. By default it uses the current line or visual selections. You can also overwrite them to specify the line numbers.
- message: Whether print message in command line. By default it uses the configured value while this plugin is been setup (see Configuration). You can overwrite the configured behavior by passing your option to this field.
- highlight_duration: How long (in milliseconds) to highlight the line range. By default it uses the configured value while this plugin is been setup (see Configuration). You can overwrite the configured behavior by passing your option to this field.
- remote: Specify the git remote. By default it uses the first detected git remote (usually it's origin).
- file: Specify the relative file path. By default it uses the current buffer's name.
- rev: Specify the git commit ID. By default it uses the current git repository's commit ID.

`gitlinker.Router`

A lua function that implements a router for a git host website. It uses below function signature:

function(lk:gitlinker.Linker):string?

Parameters:

lk: A lua table that presents the gitlinker.Linker data type. It contains all the information (fields) you need to generate a git link, e.g. the protocol, host, username, path, rev, etc. Please see Customize Urls - Lua Function for more details.

Returns:

Returns the generated link as a string type, if success.
Returns nil, if failed.

`gitlinker.Action`

A lua function that does some operations with the generated url. It uses below function signature:

function(url:string):any

Parameters:

url: The generated url. For example: https://codeberg.org/linrongbin16/gitlinker.nvim/src/commit/a570f22ff833447ee0c58268b3bae4f7197a8ad8/LICENSE#L4-L7.

For now we have below builtin actions:

require("gitlinker.actions").clipboard: Copy url to clipboard.
require("gitlinker.actions").system: Open url in browser.

If you only need to print the generated url, you can pass a callback function to consume:

require("gitlinker").link({
  action = function(url)
    print("generated url:" .. vim.inspect(url))
  end,
})

Recommended Key Mappings

Click here to see mappings with user commands.

-- with vim command:

-- browse
vim.keymap.set(
  {"n", 'v'},
  "<leader>gl",
  "<cmd>GitLink<cr>",
  { silent = true, noremap = true, desc = "Yank git permlink" }
)
vim.keymap.set(
  {"n", 'v'},
  "<leader>gL",
  "<cmd>GitLink!<cr>",
  { silent = true, noremap = true, desc = "Open git permlink" }
)
-- blame
vim.keymap.set(
  {"n", 'v'},
  "<leader>gb",
  "<cmd>GitLink blame<cr>",
  { silent = true, noremap = true, desc = "Yank git blame link" }
)
vim.keymap.set(
  {"n", 'v'},
  "<leader>gB",
  "<cmd>GitLink! blame<cr>",
  { silent = true, noremap = true, desc = "Open git blame link" }
)
-- default branch
vim.keymap.set(
  {"n", 'v'},
  "<leader>gd",
  "<cmd>GitLink default_branch<cr>",
  { silent = true, noremap = true, desc = "Copy default branch link" }
)
vim.keymap.set(
  {"n", 'v'},
  "<leader>gD",
  "<cmd>GitLink! default_branch<cr>",
  { silent = true, noremap = true, desc = "Open default branch link" }
)
-- default branch
vim.keymap.set(
  {"n", 'v'},
  "<leader>gc",
  "<cmd>GitLink current_branch<cr>",
  { silent = true, noremap = true, desc = "Copy current branch link" }
)
vim.keymap.set(
  {"n", 'v'},
  "<leader>gD",
  "<cmd>GitLink! current_branch<cr>",
  { silent = true, noremap = true, desc = "Open current branch link" }
)

Click here to see mappings with lua apis.

-- with lua api:

-- browse
vim.keymap.set(
  {"n", 'v'},
  "<leader>gl",
  require("gitlinker").link,
  { silent = true, noremap = true, desc = "GitLink" }
)
vim.keymap.set(
  {"n", 'v'},
  "<leader>gL",
  function()
    require("gitlinker").link({ action = require("gitlinker.actions").system })
  end,
  { silent = true, noremap = true, desc = "GitLink!" }
)
-- blame
vim.keymap.set(
  {"n", 'v'},
  "<leader>gb",
  function()
    require("gitlinker").link({ router_type = "blame" })
  end,
  { silent = true, noremap = true, desc = "GitLink blame" }
)
vim.keymap.set(
  {"n", 'v'},
  "<leader>gB",
  function()
    require("gitlinker").link({
      router_type = "blame",
      action = require("gitlinker.actions").system,
    })
  end,
  { silent = true, noremap = true, desc = "GitLink! blame" }
)
-- default branch
vim.keymap.set(
  {"n", 'v'},
  "<leader>gd",
  function()
    require("gitlinker").link({ router_type = "default_branch" })
  end,
  { silent = true, noremap = true, desc = "GitLink default_branch" }
)
vim.keymap.set(
  {"n", 'v'},
  "<leader>gD",
  function()
    require("gitlinker").link({
      router_type = "default_branch",
      action = require("gitlinker.actions").system,
    })
  end,
  { silent = true, noremap = true, desc = "GitLink! default_branch" }
)
-- default branch
vim.keymap.set(
  {"n", 'v'},
  "<leader>gc",
  function()
    require("gitlinker").link({ router_type = "current_branch" })
  end,
  { silent = true, noremap = true, desc = "GitLink current_branch" }
)
vim.keymap.set(
  {"n", 'v'},
  "<leader>gC",
  function()
    require("gitlinker").link({
      router_type = "current_branch",
      action = require("gitlinker.actions").system,
    })
  end,
  { silent = true, noremap = true, desc = "GitLink! current_branch" }
)

Configuration

require('gitlinker').setup(opts)

The opts is an optional lua table that override the default options.

For complete default options, please see Defaults in configs.lua.

Customize Urls

Note

Recommend reading Git Protocols and giturlparser for better understanding git urls.

String Template

Note

Please see Defaults.router in configs.lua for more examples.

To create customized urls for other git hosts, please bind the target git host name with a new implementation, which simply constructs the url string from below components (upper case with prefix _A.):

_A.PROTOCOL: Network protocol before :// delimiter. For example:
- https in https://github.com.
- ssh in ssh://github.com.
_A.USERNAME: Optional user name component before @ delimiter. For example:
- git in ssh://git@github.com/linrongbin16/gitlinker.nvim.git.
- myname in myname@github.com:linrongbin16/gitlinker.nvim.git (Note: the ssh protocol ssh:// is omitted in this case).
_A.PASSWORD: Optional password component after _A.USERNAME. For example:
- mypass in myname:mypass@github.com:linrongbin16/gitlinker.nvim.git.
- mypass in https://myname:mypass@github.com/linrongbin16/gitlinker.nvim.git.
_A.HOST: The host component. For example:
- github.com in https://github.com/linrongbin16/gitlinker.nvim (Note: for http/https protocol, the host ends with /).
- 127.0.0.1 in git@127.0.0.1:linrongbin16/gitlinker.nvim (Note: for omitted ssh protocol, the host ends with :, and it cannot have _A.PORT component).
_A.PORT: Optional port component after _A.HOST (Note: omitted ssh protocols cannot have _A.PORT component). For example:
- 22 in https://github.com:22/linrongbin16/gitlinker.nvim.
- 123456 in https://127.0.0.1:123456/linrongbin16/gitlinker.nvim.
_A.PATH: Path component, i.e. all the other parts in the output of the git remote get-url origin. For example:
- /linrongbin16/gitlinker.nvim.git in https://github.com/linrongbin16/gitlinker.nvim.git.
- linrongbin16/gitlinker.nvim.git in git@github.com:linrongbin16/gitlinker.nvim.git (Note: for ssh protocol, the : before the path component doesn't belong to it).
_A.REV: Git commit ID. For example:
- a009dacda96756a8c418ff5fa689999b148639f6 in https://github.com/linrongbin16/gitlinker.nvim/blob/a009dacda96756a8c418ff5fa689999b148639f6/lua/gitlinker/git.lua?plain=1#L3.
_A.FILE: Relative file path. For example:
- lua/gitlinker/routers.lua in https://github.com/linrongbin16/gitlinker.nvim/blob/master/lua/gitlinker/routers.lua.
_A.LSTART/_A.LEND: Start/end line number. For example:
- 5/13 in https://github.com/linrongbin16/gitlinker.nvim/blob/master/lua/gitlinker/routers.lua#L5-L13.

There're 2 more sugar components derived from _A.PATH:

_A.REPO: The last part after the last slash (/) in _A.PATH (around slashes are removed, and the .git suffix is been removed for easier writing). For example:
- gitlinker.nvim in https://github.com/linrongbin16/gitlinker.nvim.git.
- neovim in git@192.168.0.1:path/to/the/neovim.git.
_A.ORG: All the previous parts before _A.REPO (around slashes are removed). For example:
- linrongbin16 in https://github.com/linrongbin16/gitlinker.nvim.git.
- path/to/the in https://github.com/path/to/the/repo.git.

Important

The _A.ORG component can be empty if _A.PATH only contains 1 slash (/). For example _A.ORG in ssh://git@host.xyz/repo.git is empty, while _A.REPO is repo.

There're 2 more sugar components for git branches:

_A.DEFAULT_BRANCH: Default branch retrieved from git rev-parse --abbrev-ref origin/HEAD. For example:
- master in https://github.com/ruifm/gitlinker.nvim/blob/master/lua/gitlinker/routers.lua#L37-L156.
- main in https://github.com/linrongbin16/commons.nvim/blob/main/lua/commons/uv.lua.
_A.CURRENT_BRANCH: Current branch retrieved from git rev-parse --abbrev-ref HEAD. For example:
- feat-router-types in https://github.com/ruifm/gitlinker.nvim/blob/feat-router-types/lua/gitlinker/routers.lua#L37-L156.

With above components, you can customize the line numbers (for example) in form ?&line=1&lines-count=2 like this:

require("gitlinker").setup({
  router = {
    browse = {
      ["^github%.your%.host"] = "https://github.your.host/"
        .. "{_A.ORG}/"
        .. "{_A.REPO}/blob/"
        .. "{_A.REV}/"
        .. "{_A.FILE}"
        .. "?&lines={_A.LSTART}"
        .. "{_A.LEND > _A.LSTART and ('&lines-count=' .. _A.LEND - _A.LSTART + 1) or ''}",
    },
  },
})

The template string use curly braces {} to contain lua scripts, and evaluate via luaeval() (the error message can be confusing if there's any syntax issue).

Lua Function

Note

Please see routers.lua for more examples.

You can also implement the router with a lua function. The function accepts only 1 lua table as its parameter, which contains the same fields as string template, but in lower case, without the prefix _A.:

protocol
username
password
host
port
path
rev
file
lstart/lend

The 2 sugar components derived from path are:

org
repo (Note: the .git suffix is not omitted)

The 2 git branch components are:

default_branch
current_branch

Recall to previous use case (customize the line numbers in form ?&line=1&lines-count=2), you can implement the router with below function:

--- @param s string
--- @param t string
local function string_endswith(s, t)
  return string.len(s) >= string.len(t) and string.sub(s, #s - #t + 1) == t
end

--- @param lk gitlinker.Linker
local function your_router(lk)
  local builder = "https://"
  -- host
  builder = builder .. lk.host .. "/"
  -- org
  builder = builder .. lk.org .. "/"
  -- repo
  builder = builder
    .. (string_endswith(lk.repo, ".git") and lk.repo:sub(1, #lk.repo - 4) or lk.repo)
    .. "/"
  -- rev
  builder = lk.rev .. "/"
  -- file
  builder = builder
    .. lk.file
    .. (string_endswith(lk.file, ".md") and "?plain=1" or "")
  -- line range
  builder = builder .. string.format("&lines=%d", lk.lstart)
  if lk.lend > lk.lstart then
    builder = builder
      .. string.format("&lines-count=%d", lk.lend - lk.lstart + 1)
  end
  return builder
end

require("gitlinker").setup({
  router = {
    browse = {
      ["^github%.your%.host"] = your_router,
    },
  },
})

There are some pre-defined APIs in gitlinker.routers that you can use:

github_browse/github_blame: for https://github.com/.
gitlab_browse/gitlab_blame: for https://gitlab.com/.
bitbucket_browse/bitbucket_blame: for https://bitbucket.org/.
codeberg_browse/codeberg_blame: for https://codeberg.org/.
samba_browse: for https://git.samba.org/ (blame not support).

If you need to bind a github enterprise host, please use:

require('gitlinker').setup({
  router = {
    browse = {
      ["^github%.your%.host"] = require('gitlinker.routers').github_browse,
    },
    blame = {
      ["^github%.your%.host"] = require('gitlinker.routers').github_blame,
    },
  }
})

Create Your Own Router

You can even create your own router (with the same engine). For example let's create the file_only router type, it generates url without line numbers:

require("gitlinker").setup({
  router = {
    file_only = {
      ["^github%.com"] = "https://github.com/"
        .. "{_A.ORG}/"
        .. "{_A.REPO}/blob/"
        .. "{_A.REV}/"
        .. "{_A.FILE}"
    },
  },
})

Use it just like browse:

GitLink file_only
GitLink! file_only

Highlight Group

Highlight Group	Default Group	Description
NvimGitLinkerHighlightTextObject	Search	highlight line ranges when copy/open

Development

To develop the project and make PR, please setup with:

To run unit tests, please install below dependencies:

vusted.

Then test with vusted ./spec.

Contribute

Please open issue/PR for anything about gitlinker.nvim.

Like gitlinker.nvim? Consider

Name		Name	Last commit message	Last commit date
Latest commit History 365 Commits
.github		.github
lua		lua
minimal_init		minimal_init
spec		spec
.editorconfig		.editorconfig
.gitignore		.gitignore
.luacov		.luacov
.luarc.json		.luarc.json
.markdownlint.jsonc		.markdownlint.jsonc
.nvim.lua		.nvim.lua
.stylua.toml		.stylua.toml
.styluaignore		.styluaignore
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
codecov.yml		codecov.yml
selene.toml		selene.toml
version.txt		version.txt
vim.toml		vim.toml

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gitlinker.nvim

Table of Contents

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Usage

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Relative File Path

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Create Your Own Router

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gitlinker.nvim

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Break Changes & Updates

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Installation

Usage

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Multiple Remotes

Relative File Path

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API

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gitlinker.Action

Recommended Key Mappings

Configuration

Customize Urls

String Template

Lua Function

Create Your Own Router

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