neovim: add user command to lookup in repositories

nvim/lua/user/command.lua

@@ -1,5 +1,7 @@
 -- vim: foldmethod=marker
 
+local keymap = require('utils.keymap')
+
 -- Show current line in GitHub {{{1
 local function trim_space(s)
   return string.gsub(s, '%s+$', '')
@@ -59,7 +61,7 @@ vim.api.nvim_create_user_command('ShowInGitHub', open_in_github, { nargs = 0 })
 -- Close all buffers except the current one {{{1
 vim.api.nvim_create_user_command('BufOnly', 'silent! execute "%bd|e#|bd#"', { nargs = 0 })
 
--- Change directory to the .git root of the current buffer
+-- Change directory to the .git root of the current buffer {{{1
 local function get_git_root()
   local dot_git_path = vim.fn.finddir('.git', '.;')
   return vim.fn.fnamemodify(dot_git_path, ':h')
@@ -70,3 +72,57 @@ vim.api.nvim_create_user_command('CdGitRoot', function()
   vim.api.nvim_set_current_dir(dir)
   vim.notify(string.format('Changed current directory to %s', dir), vim.log.levels.INFO)
 end, {})
+
+-- Lookup files in other repositories {{{1
+local function lookup_in_repositories()
+  local status_ok, fzf = pcall(require, 'fzf-lua')
+  if not status_ok then
+    return
+  end
+  local root = vim.g.user_repos_dir or vim.fn.expand('$HOME/repos')
+  local _picker = 'files'
+  local function toggle_action(_, opts)
+    local o = vim.tbl_deep_extend('keep', { resume = true }, opts.__call_opts)
+    _picker = _picker == 'files' and 'live_grep' or 'files'
+    opts.__call_fn(o)
+  end
+  fzf.files({
+    cwd = root,
+    fd_opts = '--color=never --type d --follow --exclude .git --max-depth 2',
+    actions = {
+      ['ctrl-h'] = false,
+      ['ctrl-g'] = {
+        fn = toggle_action,
+        desc = 'toggle-files/live_grep',
+        header = function()
+          return 'Use ' .. (_picker == 'files' and 'Live Grep' or 'Files')
+        end,
+      },
+      ['default'] = {
+        fn = function(selected, o)
+          local file = fzf.path.entry_to_file(selected[1], o)
+          local fzf_picker = _picker == 'files' and fzf.files or fzf.live_grep
+          fzf_picker({
+            cwd = file.path,
+          })
+        end,
+        desc = 'lookup',
+        header = function()
+          return 'Open ' .. (_picker == 'files' and 'Files' or 'Live Grep')
+        end,
+      },
+    },
+    previewer = false,
+    preview = {
+      type = 'cmd',
+      fn = function(items)
+        local file = fzf.path.entry_to_file(items[1])
+        return string.format('lsd --color=always --long --group-dirs first %s', vim.fs.joinpath(root, file.path))
+      end,
+    },
+  })
+end
+vim.api.nvim_create_user_command('LookupInRepos', lookup_in_repositories, { nargs = 0 })
+keymap.set('n', '<leader>fr', vim.cmd.LookupInRepos, { desc = 'Lookup in repositories' })
+
+--- }}}