feat: new plugin vcs-files.yazi

vcs-files.yazi/LICENSE

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+MIT License
+
+Copyright (c) 2023 yazi-rs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vcs-files.yazi/README.md

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+# vcs-files.yazi
+
+> [!WARNING]
+> The latest nightly build of Yazi is required at the moment, to use this plugin.
+
+Show Git changed files in Yazi.
+
+## Installation
+
+```sh
+ya pack -a yazi-rs/plugins:vcs-files
+```
+
+## Usage
+
+```toml
+# keymap.toml
+[[manager.prepend_keymap]]
+on   = [ "g", "c" ]
+run  = "plugin vcs-files"
+desc = "Show Git changed files"
+```
+
+## TODO
+
+- [ ] Add support for other VCS (e.g. Mercurial, Subversion)

vcs-files.yazi/main.lua

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+--- @since 25.3.7
+
+local root = ya.sync(function() return cx.active.current.cwd end)
+
+local function fail(content) return ya.notify { title = "VCS Files", content = content, timeout = 5, level = "error" } end
+
+local function entry()
+	local root = root()
+	local output, err = Command("git"):cwd(tostring(root)):args({ "diff", "--name-only", "HEAD" }):output()
+	if err then
+		return fail("Failed to run `git diff`, error: " .. err)
+	elseif not output.status.success then
+		return fail("Failed to run `git diff`, stderr: " .. output.stderr)
+	end
+
+	local id = ya.id("ft")
+	local cwd = root:to_search("Git changes")
+	ya.mgr_emit("cd", { Url(cwd) })
+	ya.mgr_emit("update_files", { op = fs.op("part", { id = id, url = Url(cwd), files = {} }) })
+
+	local files = {}
+	for line in output.stdout:gmatch("[^\r\n]+") do
+		local url = root:join(line)
+		local cha = fs.cha(url, true)
+		if cha then
+			files[#files + 1] = File { url = url, cha = cha }
+		end
+	end
+	ya.mgr_emit("update_files", { op = fs.op("part", { id = id, url = Url(cwd), files = files }) })
+	ya.mgr_emit("update_files", { op = fs.op("done", { id = id, url = cwd, cha = Cha { kind = 16 } }) })
+end
+
+return { entry = entry }