#3599 - Use ale_root instead of ale_lsp_root

The `ale_lsp_root` setting is now deprecated, and `ale_root` should be
used instead. The setting will be used for both setting the root easily
for LSP linters, and for running other linters over whole projects.

test/lsp/test_lsp_root_detection.vader

@@ -1,4 +1,12 @@
 Before:
+  Save g:ale_lsp_root
+  Save g:ale_root
+  Save b:ale_lsp_root
+  Save b:ale_root
+
+  unlet! g:ale_lsp_root
+  let g:ale_root = {}
+
   call ale#assert#SetUpLinterTest('c', 'clangd')
 
   function! Hook1(buffer)
@@ -6,52 +14,72 @@ Before:
   endfunction
 
 After:
-  let g:ale_lsp_root = {}
-  unlet! b:ale_lsp_root
+  Restore
+
   delfunction Hook1
 
   call ale#assert#TearDownLinterTest()
 
 Execute(The buffer-specific variable can be a string):
-  let b:ale_lsp_root = '/some/path'
+  let b:ale_root = '/some/path'
   call ale#test#SetFilename('other-file.c')
 
   AssertLSPProject '/some/path'
 
 Execute(The buffer-specific variable can be a dictionary):
-  let b:ale_lsp_root = {'clangd': '/some/path', 'golangserver': '/other/path'}
+  let b:ale_root = {'clangd': '/some/path', 'golangserver': '/other/path'}
   call ale#test#SetFilename('other-file.c')
 
   AssertLSPProject '/some/path'
 
 Execute(The buffer-specific variable can have funcrefs):
-  let b:ale_lsp_root = {'clangd': function('Hook1'), 'golangserver': '/path'}
+  let b:ale_root = {'clangd': function('Hook1'), 'golangserver': '/path'}
   call ale#test#SetFilename('other-file.c')
 
   AssertLSPProject 'abc123'
 
+Execute(The buffer-specific variable can be the old ale_lsp_root setting):
+  let b:ale_lsp_root = '/some/path'
+  call ale#test#SetFilename('other-file.c')
+
+  AssertLSPProject '/some/path'
+
 Execute(The global variable can be a dictionary):
-  let g:ale_lsp_root = {'clangd': '/some/path', 'golangserver': '/other/path'}
+  let g:ale_root = {'clangd': '/some/path', 'golangserver': '/other/path'}
   call ale#test#SetFilename('other-file.c')
 
   AssertLSPProject '/some/path'
 
 Execute(The global variable can have funcrefs):
-  let g:ale_lsp_root = {'clangd': function('Hook1'), 'golangserver': '/path'}
+  let g:ale_root = {'clangd': function('Hook1'), 'golangserver': '/path'}
   call ale#test#SetFilename('other-file.c')
 
   AssertLSPProject 'abc123'
 
 Execute(The buffer-specific variable overrides the global variable):
-  let b:ale_lsp_root = {'clangd': '/some/path', 'golangserver': '/other/path'}
-  let g:ale_lsp_root = {'clangd': '/not/this/path', 'golangserver': '/elsewhere'}
+  let b:ale_root = {'clangd': '/some/path', 'golangserver': '/other/path'}
+  let g:ale_root = {'clangd': '/not/this/path', 'golangserver': '/elsewhere'}
   call ale#test#SetFilename('other-file.c')
 
   AssertLSPProject '/some/path'
 
 Execute(The global variable is queried if the buffer-specific has no value):
-  let b:ale_lsp_root = {'golangserver': '/other/path'}
-  let g:ale_lsp_root = {'clangd': '/some/path', 'golangserver': '/elsewhere'}
+  let b:ale_root = {'golangserver': '/other/path'}
+  let g:ale_root = {'clangd': '/some/path', 'golangserver': '/elsewhere'}
+  call ale#test#SetFilename('other-file.c')
+
+  AssertLSPProject '/some/path'
+
+Execute(The global variable can be the old ale_lsp_root setting):
+  let g:ale_root = {}
+  let g:ale_lsp_root = {'clangd': '/some/path', 'golangserver': '/other/path'}
+  call ale#test#SetFilename('other-file.c')
+
+  AssertLSPProject '/some/path'
+
+Execute(A non-empty ale_root setting should replace the old ale_lsp_root):
+  let g:ale_root = {'clangd': '/some/path', 'golangserver': '/other/path'}
+  let g:ale_lsp_root = {'clangd': '/xxx', 'golangserver': '/xxx'}
   call ale#test#SetFilename('other-file.c')
 
   AssertLSPProject '/some/path'

test/test_ale_info.vader

@@ -30,13 +30,13 @@ Before:
   Save g:ale_list_window_size
   Save g:ale_loclist_msg_format
   Save g:ale_lsp_error_messages
-  Save g:ale_lsp_root
   Save g:ale_max_buffer_history_size
   Save g:ale_max_signs
   Save g:ale_maximum_file_size
   Save g:ale_open_list
   Save g:ale_pattern_options
   Save g:ale_pattern_options_enabled
+  Save g:ale_root
   Save g:ale_set_balloons
   Save g:ale_set_highlights
   Save g:ale_set_loclist
@@ -88,13 +88,13 @@ Before:
   let g:ale_list_window_size = 10
   let g:ale_loclist_msg_format = '%code: %%s'
   let g:ale_lsp_error_messages = {}
-  let g:ale_lsp_root = {}
   let g:ale_max_buffer_history_size = 20
   let g:ale_max_signs = -1
   let g:ale_maximum_file_size = 0
   let g:ale_open_list = 0
   let g:ale_pattern_options = {}
   let g:ale_pattern_options_enabled = 0
+  let g:ale_root = {}
   let g:ale_set_balloons = 0
   let g:ale_set_highlights = 1
   let g:ale_set_loclist = 1
@@ -167,13 +167,13 @@ Before:
   \  'let g:ale_list_vertical = 0',
   \  'let g:ale_list_window_size = 10',
   \  'let g:ale_loclist_msg_format = ''%code: %%s''',
-  \  'let g:ale_lsp_root = {}',
   \  'let g:ale_max_buffer_history_size = 20',
   \  'let g:ale_max_signs = -1',
   \  'let g:ale_maximum_file_size = 0',
   \  'let g:ale_open_list = 0',
   \  'let g:ale_pattern_options = {}',
   \  'let g:ale_pattern_options_enabled = 0',
+  \  'let g:ale_root = {}',
   \  'let g:ale_set_balloons = 0',
   \  'let g:ale_set_highlights = 1',
   \  'let g:ale_set_loclist = 1',

test/test_linter_defintion_processing.vader

@@ -1,9 +1,9 @@
 Before:
-  Save g:ale_lsp_root
-  Save b:ale_lsp_root
+  Save g:ale_root
+  Save b:ale_root
 
-  let g:ale_lsp_root = {}
-  unlet! b:ale_lsp_root
+  let g:ale_root = {}
+  unlet! b:ale_root
 
   let g:linter = {}