break: bump the minimum required neovim version to 0.6 or higher (#1549)

So we can use `vim.json` and `vim.diagnostics`.

If you aren't able to update to 0.6.* yet you should pin the previous commit.

9 files changed, 29 insertions, 24 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 987b938..a7efcc2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
             manager: sudo apt-get
             packages: -y fd-find
           - os: ubuntu-20.04
-            url: https://github.com/neovim/neovim/releases/download/v0.5.1/nvim-linux64.tar.gz
+            url: https://github.com/neovim/neovim/releases/download/v0.6.0/nvim-linux64.tar.gz
             manager: sudo apt-get
             packages: -y fd-find
           - os: macos-10.15
@@ -23,7 +23,7 @@ jobs:
             manager: brew
             packages: fd
           - os: macos-10.15
-            url: https://github.com/neovim/neovim/releases/download/v0.5.1/nvim-macos.tar.gz
+            url: https://github.com/neovim/neovim/releases/download/v0.6.0/nvim-macos.tar.gz
             manager: brew
             packages: fd
     steps:
diff --git a/README.md b/README.md
index 605bb15..0909107 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ Telescope Wiki</sub>
 
 This section should guide you to run your first builtin pickers.
 
-[Neovim (v0.5.1)](https://github.com/neovim/neovim/releases/tag/v0.5.1) or the
+[Neovim (v0.6.0)](https://github.com/neovim/neovim/releases/tag/v0.6.0) or the
 latest neovim nightly commit is required for `telescope.nvim` to work.
 
 ### Suggested dependencies
diff --git a/doc/telescope_changelog.txt b/doc/telescope_changelog.txt
index 55d6f14..6d90aa3 100644
--- a/doc/telescope_changelog.txt
+++ b/doc/telescope_changelog.txt
@@ -131,4 +131,15 @@ requires users to be on Neovim 0.5.1 (the most recent stable version) or on
 the LATEST version of Neovim nightly.
 
 
+                                                    *telescope.changelog-1549*
+
+Date: December 10, 2021
+PR: https://github.com/nvim-telescope/telescope.nvim/pull/1549
+
+Telescope requires now Neovim release 0.6.0 or a more recent nightly.
+If you are running neovim nightly, you need to make sure that you are on the
+LATEST version. Every other commit is not supported. So make sure you build
+the newest nightly before reporting issues.
+
+
  vim:tw=78:ts=8:ft=help:norl:
diff --git a/lua/telescope/builtin/init.lua b/lua/telescope/builtin/init.lua
index 9330aec..66f3eda 100644
--- a/lua/telescope/builtin/init.lua
+++ b/lua/telescope/builtin/init.lua
@@ -26,8 +26,8 @@
 --- </code>
 ---@brief ]]
 
-if 1 ~= vim.fn.has "nvim-0.5.1" then
-  vim.api.nvim_err_writeln "This plugins requires neovim 0.5.1"
+if 1 ~= vim.fn.has "nvim-0.6.0" then
+  vim.api.nvim_err_writeln "This plugins requires neovim 0.6.0"
   vim.api.nvim_err_writeln "Please update your neovim."
   return
 end
diff --git a/lua/telescope/builtin/internal.lua b/lua/telescope/builtin/internal.lua
index fa655f0..a868bc6 100644
--- a/lua/telescope/builtin/internal.lua
+++ b/lua/telescope/builtin/internal.lua
@@ -245,7 +245,7 @@ internal.symbols = function(opts)
 
   local results = {}
   for _, source in ipairs(sources) do
-    local data = vim.fn.json_decode(Path:new(source):read())
+    local data = vim.json.decode(Path:new(source):read())
     for _, entry in ipairs(data) do
       table.insert(results, entry)
     end
diff --git a/lua/telescope/builtin/lsp.lua b/lua/telescope/builtin/lsp.lua
index 3899264..149cfcb 100644
--- a/lua/telescope/builtin/lsp.lua
+++ b/lua/telescope/builtin/lsp.lua
@@ -380,16 +380,10 @@ local function get_workspace_symbols_requester(bufnr, opts)
     _, cancel = vim.lsp.buf_request(bufnr, "workspace/symbol", { query = prompt }, tx)
 
     -- Handle 0.5 / 0.5.1 handler situation
-    local err, res_1, res_2 = rx()
-    local results_lsp
-    if type(res_1) == "table" then
-      results_lsp = res_1
-    else
-      results_lsp = res_2
-    end
+    local err, res = rx()
     assert(not err, err)
 
-    local locations = vim.lsp.util.symbols_to_items(results_lsp or {}, bufnr) or {}
+    local locations = vim.lsp.util.symbols_to_items(res or {}, bufnr) or {}
     if not vim.tbl_isempty(locations) then
       locations = utils.filter_symbols(locations, opts) or {}
     end
diff --git a/lua/telescope/pickers/_test.lua b/lua/telescope/pickers/_test.lua
index 2124635..a8680d0 100644
--- a/lua/telescope/pickers/_test.lua
+++ b/lua/telescope/pickers/_test.lua
@@ -21,7 +21,7 @@ end
 
 local writer = function(val)
   if type(val) == "table" then
-    val = vim.fn.json_encode(val) .. "\n"
+    val = vim.json.encode(val) .. "\n"
   end
 
   if tester.debug then
@@ -157,7 +157,7 @@ local get_results_from_file = function(file)
   local results = j:stderr_result()
   local result_table = {}
   for _, v in ipairs(results) do
-    table.insert(result_table, vim.fn.json_decode(v))
+    table.insert(result_table, vim.json.decode(v))
   end
 
   return result_table
diff --git a/lua/tests/automated/pickers/find_files_spec.lua b/lua/tests/automated/pickers/find_files_spec.lua
index b4001cc..e9094cb 100644
--- a/lua/tests/automated/pickers/find_files_spec.lua
+++ b/lua/tests/automated/pickers/find_files_spec.lua
@@ -42,9 +42,9 @@ describe("builtin.find_files", function()
             width = 0.9,
           },
           border = false,
-        }, vim.fn.json_decode([==[%s]==])))
+        }, vim.json.decode([==[%s]==])))
       ]],
-        vim.fn.json_encode(configuration)
+        vim.json.encode(configuration)
       ))
     end)
 
@@ -73,10 +73,10 @@ describe("builtin.find_files", function()
             width = 0.9,
           },
           border = false,
-        }, vim.fn.json_decode([==[%s]==])))
+        }, vim.json.decode([==[%s]==])))
       ]],
         expected,
-        vim.fn.json_encode(configuration)
+        vim.json.encode(configuration)
       ))
     end)
 
@@ -99,9 +99,9 @@ describe("builtin.find_files", function()
         }, vim.tbl_extend("force", {
           disable_devicons = false,
           sorter = require('telescope.sorters').get_fzy_sorter(),
-        }, vim.fn.json_decode([==[%s]==])))
+        }, vim.json.decode([==[%s]==])))
       ]],
-        vim.fn.json_encode(configuration)
+        vim.json.encode(configuration)
       ))
     end)
   end
diff --git a/plugin/telescope.vim b/plugin/telescope.vim
index 53d1424..5bf3cf0 100644
--- a/plugin/telescope.vim
+++ b/plugin/telescope.vim
@@ -1,5 +1,5 @@
-if !has('nvim-0.5.1')
-  echoerr "Telescope.nvim requires at least nvim-0.5.1. See `:h telescope.changelog-1406`"
+if !has('nvim-0.6.0')
+  echoerr "Telescope.nvim requires at least nvim-0.6.0. See `:h telescope.changelog-1549`"
   finish
 end