feat: experimental support for git operations (#290)

README.md

@@ -226,6 +226,19 @@ require("oil").setup({
       { "name", "asc" },
     },
   },
+  -- EXPERIMENTAL support for performing file operations with git
+  git = {
+    -- Return true to automatically git add/mv/rm files
+    add = function(path)
+      return false
+    end,
+    mv = function(src_path, dest_path)
+      return false
+    end,
+    rm = function(path)
+      return false
+    end,
+  },
   -- Configuration for the floating window in oil.open_float
   float = {
     -- Padding around the floating window

doc/oil.txt

@@ -117,6 +117,19 @@ CONFIG                                                                *oil-confi
           { "name", "asc" },
         },
       },
+      -- EXPERIMENTAL support for performing file operations with git
+      git = {
+        -- Return true to automatically git add/mv/rm files
+        add = function(path)
+          return false
+        end,
+        mv = function(src_path, dest_path)
+          return false
+        end,
+        rm = function(path)
+          return false
+        end,
+      },
       -- Configuration for the floating window in oil.open_float
       float = {
         -- Padding around the floating window

lua/oil/adapters/files.lua

@@ -3,6 +3,7 @@ local columns = require("oil.columns")
 local config = require("oil.config")
 local constants = require("oil.constants")
 local fs = require("oil.fs")
+local git = require("oil.git")
 local permissions = require("oil.adapters.files.permissions")
 local trash = require("oil.adapters.files.trash")
 local util = require("oil.util")
@@ -476,6 +477,18 @@ M.perform_action = function(action, cb)
     local _, path = util.parse_url(action.url)
     assert(path)
     path = fs.posix_to_os_path(path)
+
+    if config.git.add(path) then
+      local old_cb = cb
+      cb = vim.schedule_wrap(function(err)
+        if not err then
+          git.add(path, old_cb)
+        else
+          old_cb(err)
+        end
+      end)
+    end
+
     if action.entry_type == "directory" then
       uv.fs_mkdir(path, 493, function(err)
         -- Ignore if the directory already exists
@@ -503,6 +516,18 @@ M.perform_action = function(action, cb)
     local _, path = util.parse_url(action.url)
     assert(path)
     path = fs.posix_to_os_path(path)
+
+    if config.git.rm(path) then
+      local old_cb = cb
+      cb = function(err)
+        if not err then
+          git.rm(path, old_cb)
+        else
+          old_cb(err)
+        end
+      end
+    end
+
     if config.delete_to_trash then
       if config.trash_command then
         vim.notify_once(
@@ -525,7 +550,11 @@ M.perform_action = function(action, cb)
       assert(dest_path)
       src_path = fs.posix_to_os_path(src_path)
       dest_path = fs.posix_to_os_path(dest_path)
+      if config.git.mv(src_path, dest_path) then
+        git.mv(action.entry_type, src_path, dest_path, cb)
+      else
         fs.recursive_move(action.entry_type, src_path, dest_path, cb)
+      end
     else
       -- We should never hit this because we don't implement supported_cross_adapter_actions
       cb("files adapter doesn't support cross-adapter move")

lua/oil/config.lua

@@ -100,6 +100,19 @@ local default_config = {
       { "name", "asc" },
     },
   },
+  -- EXPERIMENTAL support for performing file operations with git
+  git = {
+    -- Return true to automatically git add/mv/rm files
+    add = function(path)
+      return false
+    end,
+    mv = function(src_path, dest_path)
+      return false
+    end,
+    rm = function(path)
+      return false
+    end,
+  },
   -- Configuration for the floating window in oil.open_float
   float = {
     -- Padding around the floating window

lua/oil/git.lua

@@ -0,0 +1,115 @@
+-- integration with git operations
+local fs = require("oil.fs")
+
+local M = {}
+
+---@param path string
+---@return string|nil
+M.get_root = function(path)
+  local git_dir = vim.fs.find(".git", { upward = true, path = path })[1]
+  if git_dir then
+    return vim.fs.dirname(git_dir)
+  else
+    return nil
+  end
+end
+
+---@param path string
+---@param cb fun(err: nil|string)
+M.add = function(path, cb)
+  local root = M.get_root(path)
+  if not root then
+    return cb()
+  end
+
+  local stderr = ""
+  local jid = vim.fn.jobstart({ "git", "add", path }, {
+    cwd = root,
+    stderr_buffered = true,
+    on_stderr = function(_, data)
+      stderr = table.concat(data, "\n")
+    end,
+    on_exit = function(_, code)
+      if code ~= 0 then
+        cb("Error in git add: " .. stderr)
+      else
+        cb()
+      end
+    end,
+  })
+  if jid <= 0 then
+    cb()
+  end
+end
+
+---@param path string
+---@param cb fun(err: nil|string)
+M.rm = function(path, cb)
+  local root = M.get_root(path)
+  if not root then
+    return cb()
+  end
+
+  local stderr = ""
+  local jid = vim.fn.jobstart({ "git", "rm", "-r", path }, {
+    cwd = root,
+    stderr_buffered = true,
+    on_stderr = function(_, data)
+      stderr = table.concat(data, "\n")
+    end,
+    on_exit = function(_, code)
+      if code ~= 0 then
+        stderr = vim.trim(stderr)
+        if stderr:match("^fatal: pathspec '.*' did not match any files$") then
+          cb()
+        else
+          cb("Error in git rm: " .. stderr)
+        end
+      else
+        cb()
+      end
+    end,
+  })
+  if jid <= 0 then
+    cb()
+  end
+end
+
+---@param entry_type oil.EntryType
+---@param src_path string
+---@param dest_path string
+---@param cb fun(err: nil|string)
+M.mv = function(entry_type, src_path, dest_path, cb)
+  local src_git = M.get_root(src_path)
+  if not src_git or src_git ~= M.get_root(dest_path) then
+    fs.recursive_move(entry_type, src_path, dest_path, cb)
+    return
+  end
+
+  local stderr = ""
+  local jid = vim.fn.jobstart({ "git", "mv", src_path, dest_path }, {
+    cwd = src_git,
+    stderr_buffered = true,
+    on_stderr = function(_, data)
+      stderr = table.concat(data, "\n")
+    end,
+    on_exit = function(_, code)
+      if code ~= 0 then
+        stderr = vim.trim(stderr)
+        if stderr:match("^fatal: not under version control") then
+          fs.recursive_move(entry_type, src_path, dest_path, cb)
+        else
+          cb("Error in git mv: " .. stderr)
+        end
+      else
+        cb()
+      end
+    end,
+  })
+  if jid <= 0 then
+    -- Failed to run git, fall back to normal filesystem operations
+    fs.recursive_move(entry_type, src_path, dest_path, cb)
+  end
+end
+
+return M