nvim: plugins: Enable GBrowse support

GBrowse also seems to at least need the autoloaded functions from netrw,
so we only disable netrw commands and mappings.

See https://github.com/tpope/vim-fugitive/issues/1010.

nvim/.config/nvim/after/plugin/fugitive.vim

@@ -28,6 +28,9 @@ nnoremap <Leader>g+ :Git stash pop<SPACE>
 nnoremap <Leader>gs :Git stash list<CR>
 nnoremap <Leader>gS :Git stash -- %<CR>
 nnoremap <Leader>gt :Git reflog<CR>
+xnoremap <Leader>gu :GBrowse!<CR>
+xnoremap <Leader>gU :GBrowse<CR>
+nnoremap <Leader>gu :GBrowse<CR>
 nnoremap <Leader>gw :Gwrite<CR>
 nnoremap <Leader>G  :Git<SPACE>
 

nvim/.config/nvim/init.lua

@@ -57,7 +57,6 @@ vim.g.loaded_perl_provider    = 0
 vim.g.loaded_node_provider    = 0
 
 -- Disable some in built plugins completely
-vim.g.loaded_netrw            = 1
 vim.g.loaded_netrwPlugin      = 1
 vim.g.loaded_matchparen       = 1
 vim.g.loaded_matchit          = 1
@@ -91,6 +90,8 @@ vim.g['sneak#use_ic_scs']         = 0
 vim.g.dirvish_relative_paths      = 1
 -- dispatch
 vim.g.dispatch_no_maps            = 1
+-- vim-fugitive GBrowse GitLab
+vim.g.fugitive_gitlab_domains     = {'https://gitlab.freedesktop.org', 'https://gitlab.gnome.org/GNOME', 'https://gitlab.com'}
 
 -- We do this to prevent the loading of the system fzf.vim plugin. This is
 -- present at least on Arch/Manjaro

nvim/.config/nvim/lua/plugins.lua

@@ -32,7 +32,16 @@ local init = function ()
   }
   -- Git support
   use 'lewis6991/gitsigns.nvim'
-  use 'tpope/vim-fugitive'
+  use {
+    'tpope/vim-fugitive',
+    requires = {
+      -- GBrowse support
+      'tpope/vim-rhubarb',
+      'shumphrey/fugitive-gitlab.vim',
+      'https://git.sr.ht/~willdurand/srht.vim',
+      'mattn/webapi-vim'
+    }
+  }
   use 'rhysd/git-messenger.vim'
   use 'whiteinge/diffconflicts'
   -- Boost vim command line mode