From 783508bf2578220a465abbff21a3d9012ede5050 Mon Sep 17 00:00:00 2001
From: Bertrand Benjamin <benjamin.bertrand@opytex.org>
Date: Wed, 3 Nov 2021 05:46:00 +0100
Subject: [PATCH] Feat: telescope ignore pdf

---
 nvim/.config/nvim/lua/config/telescope.lua | 35 ++++++++++++++++++++++
 nvim/.config/nvim/lua/mappings.lua         |  6 ----
 nvim/.config/nvim/lua/plugins.lua          |  1 +
 3 files changed, 36 insertions(+), 6 deletions(-)
 create mode 100644 nvim/.config/nvim/lua/config/telescope.lua

diff --git a/nvim/.config/nvim/lua/config/telescope.lua b/nvim/.config/nvim/lua/config/telescope.lua
new file mode 100644
index 0000000..3bd1b11
--- /dev/null
+++ b/nvim/.config/nvim/lua/config/telescope.lua
@@ -0,0 +1,35 @@
+local previewers = require('telescope.previewers')
+local Job = require('plenary.job')
+local new_maker = function(filepath, bufnr, opts)
+  filepath = vim.fn.expand(filepath)
+  Job:new({
+    command = 'file',
+    args = { '--mime-type', '-b', filepath },
+    on_exit = function(j)
+      local mime_type = vim.split(j:result()[1], '/')[1]
+      if mime_type == "text" then
+        previewers.buffer_previewer_maker(filepath, bufnr, opts)
+      else
+        -- maybe we want to write something to the buffer here
+        vim.schedule(function()
+          vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, { 'BINARY' })
+        end)
+      end
+    end
+  }):sync()
+end
+
+require('telescope').setup {
+  defaults = {
+    buffer_previewer_maker = new_maker,
+    file_ignore_patterns = {"**/*.pdf"},
+  }
+}
+
+local map = vim.api.nvim_set_keymap
+-- Find files using Telescope command-line sugar.
+map('n', '<leader>e', '<cmd>Telescope find_files<cr>', {})
+map('n', '<leader>g', '<cmd>Telescope live_grep<cr>', {})
+map('n', '<leader>b', '<cmd>Telescope buffers<cr>', {})
+map('n', '<leader>h', '<cmd>Telescope help_tags<cr>', {})
+
diff --git a/nvim/.config/nvim/lua/mappings.lua b/nvim/.config/nvim/lua/mappings.lua
index a482944..474a0ea 100644
--- a/nvim/.config/nvim/lua/mappings.lua
+++ b/nvim/.config/nvim/lua/mappings.lua
@@ -15,9 +15,3 @@ map('v', '>', '>gv', {})
 -- Automatically spell check last error in insert mode
 map('i', '<c-f>', '<c-g>u<Esc>[s1z=`]a<c-g>u', default_opts)
 
--- Find files using Telescope command-line sugar.
-map('n', '<leader>e', '<cmd>Telescope find_files<cr>', {})
-map('n', '<leader>g', '<cmd>Telescope live_grep<cr>', {})
-map('n', '<leader>b', '<cmd>Telescope buffers<cr>', {})
-map('n', '<leader>h', '<cmd>Telescope help_tags<cr>', {})
-
diff --git a/nvim/.config/nvim/lua/plugins.lua b/nvim/.config/nvim/lua/plugins.lua
index dfcf2be..4a4a732 100644
--- a/nvim/.config/nvim/lua/plugins.lua
+++ b/nvim/.config/nvim/lua/plugins.lua
@@ -42,6 +42,7 @@ return require('packer').startup(function()
     use 'nvim-lua/popup.nvim'
     use {
         'nvim-telescope/telescope.nvim',
+        config = [[require('config.telescope')]],
         requires = { {'nvim-lua/plenary.nvim'} }
     }