Merge remote-tracking branch 'upstream/master'

29 files changed, 451 insertions, 83 deletions

diff --git a/ale_linters/handlebars/embertemplatelint.vim b/ale_linters/handlebars/embertemplatelint.vim
index 74bd6a99..31d65b70 100644
--- a/ale_linters/handlebars/embertemplatelint.vim
+++ b/ale_linters/handlebars/embertemplatelint.vim
@@ -4,6 +4,28 @@
 call ale#Set('handlebars_embertemplatelint_executable', 'ember-template-lint')
 call ale#Set('handlebars_embertemplatelint_use_global', get(g:, 'ale_use_global_executables', 0))
 
+function! ale_linters#handlebars#embertemplatelint#GetExecutable(buffer) abort
+    return ale#node#FindExecutable(a:buffer, 'handlebars_embertemplatelint', [
+    \   'node_modules/.bin/ember-template-lint',
+    \])
+endfunction
+
+function! ale_linters#handlebars#embertemplatelint#GetCommand(buffer, version) abort
+    " Reading from stdin was introduced in ember-template-lint@1.6.0
+    return ale#semver#GTE(a:version, [1, 6, 0])
+    \   ? '%e --json --filename %s'
+    \   : '%e --json %t'
+endfunction
+
+function! ale_linters#handlebars#embertemplatelint#GetCommandWithVersionCheck(buffer) abort
+    return ale#semver#RunWithVersionCheck(
+    \       a:buffer,
+    \       ale_linters#handlebars#embertemplatelint#GetExecutable(a:buffer),
+    \       '%e --version',
+    \       function('ale_linters#handlebars#embertemplatelint#GetCommand'),
+    \   )
+endfunction
+
 function! ale_linters#handlebars#embertemplatelint#Handle(buffer, lines) abort
     let l:output = []
     let l:json = ale#util#FuzzyJSONDecode(a:lines, {})
@@ -31,9 +53,7 @@ endfunction
 
 call ale#linter#Define('handlebars', {
 \   'name': 'ember-template-lint',
-\   'executable': {b -> ale#node#FindExecutable(b, 'handlebars_embertemplatelint', [
-\       'node_modules/.bin/ember-template-lint',
-\   ])},
-\   'command': '%e --json %t',
+\   'executable': function('ale_linters#handlebars#embertemplatelint#GetExecutable'),
+\   'command': function('ale_linters#handlebars#embertemplatelint#GetCommandWithVersionCheck'),
 \   'callback': 'ale_linters#handlebars#embertemplatelint#Handle',
 \})
diff --git a/ale_linters/php/psalm.vim b/ale_linters/php/psalm.vim
index ab4dbbc9..286c8a96 100644
--- a/ale_linters/php/psalm.vim
+++ b/ale_linters/php/psalm.vim
@@ -1,9 +1,9 @@
 " Author: Matt Brown <https://github.com/muglug>
 " Description: plugin for Psalm, static analyzer for PHP
 
-call ale#Set('psalm_langserver_executable', 'psalm')
-call ale#Set('psalm_langserver_options', '')
-call ale#Set('psalm_langserver_use_global', get(g:, 'ale_use_global_executables', 0))
+call ale#Set('php_psalm_executable', 'psalm')
+call ale#Set('php_psalm_options', '')
+call ale#Set('php_psalm_use_global', get(g:, 'ale_use_global_executables', 0))
 
 function! ale_linters#php#psalm#GetProjectRoot(buffer) abort
     let l:git_path = ale#path#FindNearestDirectory(a:buffer, '.git')
@@ -12,13 +12,13 @@ function! ale_linters#php#psalm#GetProjectRoot(buffer) abort
 endfunction
 
 function! ale_linters#php#psalm#GetCommand(buffer) abort
-    return '%e --language-server' . ale#Pad(ale#Var(a:buffer, 'psalm_langserver_options'))
+    return '%e --language-server' . ale#Pad(ale#Var(a:buffer, 'php_psalm_options'))
 endfunction
 
 call ale#linter#Define('php', {
 \   'name': 'psalm',
 \   'lsp': 'stdio',
-\   'executable': {b -> ale#node#FindExecutable(b, 'psalm_langserver', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'php_psalm', [
 \       'vendor/bin/psalm',
 \   ])},
 \   'command': function('ale_linters#php#psalm#GetCommand'),
diff --git a/ale_linters/python/flake8.vim b/ale_linters/python/flake8.vim
index e2e7b743..fc4ab692 100644
--- a/ale_linters/python/flake8.vim
+++ b/ale_linters/python/flake8.vim
@@ -4,7 +4,7 @@
 call ale#Set('python_flake8_executable', 'flake8')
 call ale#Set('python_flake8_options', '')
 call ale#Set('python_flake8_use_global', get(g:, 'ale_use_global_executables', 0))
-call ale#Set('python_flake8_change_directory', 1)
+call ale#Set('python_flake8_change_directory', 'project')
 call ale#Set('python_flake8_auto_pipenv', 0)
 
 function! s:UsingModule(buffer) abort
@@ -38,10 +38,30 @@ function! ale_linters#python#flake8#RunWithVersionCheck(buffer) abort
     \)
 endfunction
 
+function! ale_linters#python#flake8#GetCdString(buffer) abort
+    let l:change_directory = ale#Var(a:buffer, 'python_flake8_change_directory')
+    let l:cd_string = ''
+
+    if l:change_directory is# 'project'
+        let l:project_root = ale#python#FindProjectRootIni(a:buffer)
+
+        if !empty(l:project_root)
+            let l:cd_string = ale#path#CdString(l:project_root)
+        endif
+    endif
+
+    if (l:change_directory is# 'project' && empty(l:cd_string))
+    \|| l:change_directory is# 1
+    \|| l:change_directory is# 'file'
+        let l:cd_string = ale#path#BufferCdString(a:buffer)
+    endif
+
+    return l:cd_string
+endfunction
+
 function! ale_linters#python#flake8#GetCommand(buffer, version) abort
-    let l:cd_string = ale#Var(a:buffer, 'python_flake8_change_directory')
-    \   ? ale#path#BufferCdString(a:buffer)
-    \   : ''
+    let l:cd_string = ale_linters#python#flake8#GetCdString(a:buffer)
+
     let l:executable = ale_linters#python#flake8#GetExecutable(a:buffer)
 
     let l:exec_args = l:executable =~? 'pipenv$'
diff --git a/ale_linters/vim/vint.vim b/ale_linters/vim/vint.vim
index 65e19126..c7461bc8 100644
--- a/ale_linters/vim/vint.vim
+++ b/ale_linters/vim/vint.vim
@@ -5,7 +5,7 @@
 call ale#Set('vim_vint_show_style_issues', 1)
 call ale#Set('vim_vint_executable', 'vint')
 let s:enable_neovim = has('nvim') ? ' --enable-neovim' : ''
-let s:format = '-f "{file_path}:{line_number}:{column_number}: {severity}: {description} (see {reference})"'
+let s:format = '-f "{file_path}:{line_number}:{column_number}: {severity}: {policy_name} - {description} (see {reference})"'
 
 function! ale_linters#vim#vint#GetCommand(buffer, version) abort
     let l:can_use_no_color_flag = empty(a:version)
diff --git a/autoload/ale.vim b/autoload/ale.vim
index b75c9fc9..5ec22f57 100644
--- a/autoload/ale.vim
+++ b/autoload/ale.vim
@@ -263,6 +263,8 @@ function! ale#GetLocItemMessage(item, format_string) abort
     let l:msg = substitute(l:msg, '\V%linter%', '\=l:linter_name', 'g')
     " Replace %s with the text.
     let l:msg = substitute(l:msg, '\V%s', '\=a:item.text', 'g')
+    " Windows may insert carriage return line endings (^M), strip these characters.
+    let l:msg = substitute(l:msg, '\r', '', 'g')
 
     return l:msg
 endfunction
diff --git a/autoload/ale/c.vim b/autoload/ale/c.vim
index d0a4fa06..cff53125 100644
--- a/autoload/ale/c.vim
+++ b/autoload/ale/c.vim
@@ -2,7 +2,9 @@
 " Description: Functions for integrating with C-family linters.
 
 call ale#Set('c_parse_makefile', 0)
+call ale#Set('c_always_make', has('unix') && !has('macunix'))
 call ale#Set('c_parse_compile_commands', 1)
+
 let s:sep = has('win32') ? '\' : '/'
 
 " Set just so tests can override it.
@@ -504,7 +506,10 @@ function! ale#c#GetMakeCommand(buffer) abort
         let l:path = ale#path#FindNearestFile(a:buffer, 'Makefile')
 
         if !empty(l:path)
-            return ale#path#CdString(fnamemodify(l:path, ':h')) . 'make -n'
+            let l:always_make = ale#Var(a:buffer, 'c_always_make')
+
+            return ale#path#CdString(fnamemodify(l:path, ':h'))
+            \   . 'make -n' . (l:always_make ? ' --always-make' : '')
         endif
     endif
 
diff --git a/autoload/ale/code_action.vim b/autoload/ale/code_action.vim
index 60c3bbef..8c7263f3 100644
--- a/autoload/ale/code_action.vim
+++ b/autoload/ale/code_action.vim
@@ -24,6 +24,42 @@ function! ale#code_action#HandleCodeAction(code_action, should_save) abort
     endfor
 endfunction
 
+function! s:ChangeCmp(left, right) abort
+    if a:left.start.line < a:right.start.line
+        return -1
+    endif
+
+    if a:left.start.line > a:right.start.line
+        return 1
+    endif
+
+    if a:left.start.offset < a:right.start.offset
+        return -1
+    endif
+
+    if a:left.start.offset > a:right.start.offset
+        return 1
+    endif
+
+    if a:left.end.line < a:right.end.line
+        return -1
+    endif
+
+    if a:left.end.line > a:right.end.line
+        return 1
+    endif
+
+    if a:left.end.offset < a:right.end.offset
+        return -1
+    endif
+
+    if a:left.end.offset > a:right.end.offset
+        return 1
+    endif
+
+    return 0
+endfunction
+
 function! ale#code_action#ApplyChanges(filename, changes, should_save) abort
     let l:current_buffer = bufnr('')
     " The buffer is used to determine the fileformat, if available.
@@ -48,7 +84,8 @@ function! ale#code_action#ApplyChanges(filename, changes, should_save) abort
     let l:column_offset = 0
     let l:last_end_line = 0
 
-    for l:code_edit in a:changes
+    " Changes have to be sorted so we apply them from top-to-bottom.
+    for l:code_edit in sort(copy(a:changes), function('s:ChangeCmp'))
         if l:code_edit.start.line isnot l:last_end_line
             let l:column_offset = 0
         endif
diff --git a/autoload/ale/completion.vim b/autoload/ale/completion.vim
index f6a0c350..c2cfd74a 100644
--- a/autoload/ale/completion.vim
+++ b/autoload/ale/completion.vim
@@ -5,7 +5,7 @@ scriptencoding utf-8
 " The omnicompletion menu is shown through a special Plug mapping which is
 " only valid in Insert mode. This way, feedkeys() won't send these keys if you
 " quit Insert mode quickly enough.
-inoremap <silent> <Plug>(ale_show_completion_menu) <C-x><C-o>
+inoremap <silent> <Plug>(ale_show_completion_menu) <C-x><C-o><C-p>
 " If we hit the key sequence in normal mode, then we won't show the menu, so
 " we should restore the old settings right away.
 nnoremap <silent> <Plug>(ale_show_completion_menu) :call ale#completion#RestoreCompletionOptions()<CR>
@@ -324,6 +324,12 @@ function! ale#completion#AutomaticOmniFunc(findstart, base) abort
     endif
 endfunction
 
+function! s:OpenCompletionMenu(...) abort
+    if !&l:paste
+        call ale#util#FeedKeys("\<Plug>(ale_show_completion_menu)")
+    endif
+endfunction
+
 function! ale#completion#Show(result) abort
     if ale#util#Mode() isnot# 'i'
         return
@@ -344,10 +350,7 @@ function! ale#completion#Show(result) abort
     let l:source = get(get(b:, 'ale_completion_info', {}), 'source', '')
 
     if l:source is# 'ale-automatic' || l:source is# 'ale-manual'
-        call timer_start(
-        \   0,
-        \   {-> ale#util#FeedKeys("\<Plug>(ale_show_completion_menu)")}
-        \)
+        call timer_start(0, function('s:OpenCompletionMenu'))
     endif
 
     if l:source is# 'ale-callback'
diff --git a/autoload/ale/fix.vim b/autoload/ale/fix.vim
index 3ad0a433..8b841b13 100644
--- a/autoload/ale/fix.vim
+++ b/autoload/ale/fix.vim
@@ -15,22 +15,29 @@ function! ale#fix#ApplyQueuedFixes(buffer) abort
 
     call remove(g:ale_fix_buffer_data, a:buffer)
 
-    if l:data.changes_made
-        let l:new_lines = ale#util#SetBufferContents(a:buffer, l:data.output)
-
-        if l:data.should_save
-            if a:buffer is bufnr('')
-                if empty(&buftype)
-                    noautocmd :w!
+    try
+        if l:data.changes_made
+            let l:new_lines = ale#util#SetBufferContents(a:buffer, l:data.output)
+
+            if l:data.should_save
+                if a:buffer is bufnr('')
+                    if empty(&buftype)
+                        noautocmd :w!
+                    else
+                        set nomodified
+                    endif
                 else
-                    set nomodified
+                    call writefile(l:new_lines, expand('#' . a:buffer . ':p')) " no-custom-checks
+                    call setbufvar(a:buffer, '&modified', 0)
                 endif
-            else
-                call writefile(l:new_lines, expand('#' . a:buffer . ':p')) " no-custom-checks
-                call setbufvar(a:buffer, '&modified', 0)
             endif
         endif
-    endif
+    catch /E21/
+        " If we cannot modify the buffer now, try again later.
+        let g:ale_fix_buffer_data[a:buffer] = l:data
+
+        return
+    endtry
 
     if l:data.should_save
         let l:should_lint = ale#Var(a:buffer, 'fix_on_save')
@@ -376,3 +383,4 @@ endfunction
 augroup ALEBufferFixGroup
     autocmd!
     autocmd BufEnter * call ale#fix#ApplyQueuedFixes(str2nr(expand('<abuf>')))
+augroup END
diff --git a/autoload/ale/handlers/gcc.vim b/autoload/ale/handlers/gcc.vim
index ec16b977..0b37c98a 100644
--- a/autoload/ale/handlers/gcc.vim
+++ b/autoload/ale/handlers/gcc.vim
@@ -10,7 +10,7 @@ let s:pragma_error = '#pragma once in main file'
 " <stdin>:8:5: warning: conversion lacks type at end of format [-Wformat=]
 " <stdin>:10:27: error: invalid operands to binary - (have ‘int’ and ‘char *’)
 " -:189:7: note: $/${} is unnecessary on arithmetic variables. [SC2004]
-let s:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):(\d+)?:? ([^:]+): (.+)$'
+let s:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+)?:?(\d+)?:? ([^:]+): (.+)$'
 let s:inline_pattern = '\v inlined from .* at \<stdin\>:(\d+):(\d+):$'
 
 function! s:IsHeaderFile(filename) abort
@@ -117,6 +117,23 @@ function! ale#handlers#gcc#HandleGCCFormat(buffer, lines) abort
             if !empty(l:output)
                 if !has_key(l:output[-1], 'detail')
                     let l:output[-1].detail = l:output[-1].text
+
+                    " handle macro expansion errors/notes
+                    if l:match[5] =~? '^in expansion of macro ‘\w*\w’$'
+                        " if the macro expansion is in the file we're in, add
+                        " the lnum and col keys to the previous error
+                        if l:match[1] is# '<stdin>'
+                        \ && !has_key(l:output[-1], 'col')
+                            let l:output[-1].lnum = str2nr(l:match[2])
+                            let l:output[-1].col = str2nr(l:match[3])
+                        else
+                            " the error is not in the current file, and since
+                            " macro expansion errors don't show the full path to
+                            " the error from the current file, we have to just
+                            " give out a generic error message
+                            let l:output[-1].text = 'Error found in macro expansion. See :ALEDetail'
+                        endif
+                    endif
                 endif
 
                 let l:output[-1].detail = l:output[-1].detail . "\n"
diff --git a/autoload/ale/util.vim b/autoload/ale/util.vim
index 05f11993..1f396377 100644
--- a/autoload/ale/util.vim
+++ b/autoload/ale/util.vim
@@ -505,13 +505,6 @@ function! ale#util#SetBufferContents(buffer, lines) abort
     \   : a:lines
     let l:first_line_to_remove = len(l:new_lines) + 1
 
-    " We'll temporarily make a buffer modifiable, to force edits.
-    let l:modifiable = getbufvar(a:buffer, '&modifiable')
-
-    if !l:modifiable
-        call setbufvar(a:buffer, '&modifiable', 1)
-    endif
-
     " Use a Vim API for setting lines in other buffers, if available.
     if l:has_bufline_api
         call setbufline(a:buffer, 1, l:new_lines)
@@ -530,9 +523,5 @@ function! ale#util#SetBufferContents(buffer, lines) abort
         call setline(1, l:new_lines)
     endif
 
-    if !l:modifiable
-        call setbufvar(a:buffer, '&modifiable', 0)
-    endif
-
     return l:new_lines
 endfunction
diff --git a/doc/ale-c.txt b/doc/ale-c.txt
index fe28cf4a..b0d94b8e 100644
--- a/doc/ale-c.txt
+++ b/doc/ale-c.txt
@@ -8,6 +8,17 @@ runs either `clang`, or `gcc`. See |ale-c-cc|.
 ===============================================================================
 Global Options
 
+g:ale_c_always_make                                       *g:ale_c_always_make*
+                                                          *b:ale_c_always_make*
+  Type: |Number|
+  Default: `has('unix') && !has('macunix')`
+
+  If set to `1`, use `--always-make` for `make`, which means that output will
+  always be parsed from `make` dry runs with GNU make. BSD `make` does not
+  support this option, so you probably want to turn this option off when using
+  a BSD variant.
+
+
 g:ale_c_build_dir_names                               *g:ale_c_build_dir_names*
                                                       *b:ale_c_build_dir_names*
 
@@ -58,6 +69,11 @@ g:ale_c_parse_makefile                                 *g:ale_c_parse_makefile*
   set for C or C++ compilers. This can make it easier to determine the correct
   build flags to use for different files.
 
+  NOTE: When using this option on BSD, you may need to set
+  |g:ale_c_always_make| to `0`, and `make -n` will not provide consistent
+  results if binaries have already been built, so use `make clean` when
+  editing your files.
+
   WARNING: Running `make -n` automatically can execute arbitrary code, even
   though it's supposed to be a dry run, so enable this option with care. You
   might prefer to use the buffer-local version of the option instead with
diff --git a/doc/ale-cpp.txt b/doc/ale-cpp.txt
index 651b4160..17894e6e 100644
--- a/doc/ale-cpp.txt
+++ b/doc/ale-cpp.txt
@@ -10,6 +10,7 @@ Global Options
 
 The following C options also apply to some C++ linters too.
 
+* |g:ale_c_always_make|
 * |g:ale_c_build_dir_names|
 * |g:ale_c_build_dir|
 * |g:ale_c_parse_makefile|
diff --git a/doc/ale-php.txt b/doc/ale-php.txt
index 645decd7..9fe868f8 100644
--- a/doc/ale-php.txt
+++ b/doc/ale-php.txt
@@ -189,42 +189,55 @@ g:ale_php_psalm_executable                         *g:ale_php_psalm_executable*
 
   This variable sets the executable used for psalm.
 
-g:ale_psalm_langserver_options                 *g:ale_psalm_langserver_options*
-                                               *b:ale_psalm_langserver_options*
+
+g:ale_php_psalm_options                               *g:ale_php_psalm_options*
+                                                      *b:ale_php_psalm_options*
   Type: |String|
   Default: `''`
 
   This variable can be set to pass additional options to psalm.
 
+
+g:ale_php_psalm_use_global                         *g:ale_php_psalm_use_global*
+                                                   *b:ale_php_psalm_use_global*
+  Type: |Boolean|
+  Default: `get(g:, 'ale_use_global_executables', 0)`
+
+  See |ale-integrations-local-executables|
+
+
 ===============================================================================
-php-cs-fixer                                              *ale-php-php-cs-fixer*
+php-cs-fixer                                             *ale-php-php-cs-fixer*
 
-g:ale_php_cs_fixer_executable                    *g:ale_php_cs_fixer_executable*
-                                                 *b:ale_php_cs_fixer_executable*
+g:ale_php_cs_fixer_executable                   *g:ale_php_cs_fixer_executable*
+                                                *b:ale_php_cs_fixer_executable*
   Type: |String|
   Default: `'php-cs-fixer'`
 
   This variable sets executable used for php-cs-fixer.
 
-g:ale_php_cs_fixer_use_global                    *g:ale_php_cs_fixer_use_global*
-                                                 *b:ale_php_cs_fixer_use_global*
-  Type: |Boolean|
-  Default: `get(g:, 'ale_use_global_executables', 0)`
-
-  This variable force globally installed fixer.
 
-g:ale_php_cs_fixer_options                          *g:ale_php_cs_fixer_options*
-                                                    *b:ale_php_cs_fixer_options*
+g:ale_php_cs_fixer_options                         *g:ale_php_cs_fixer_options*
+                                                   *b:ale_php_cs_fixer_options*
   Type: |String|
   Default: `''`
 
   This variable can be set to pass additional options to php-cs-fixer.
 
+
+g:ale_php_cs_fixer_use_global                   *g:ale_php_cs_fixer_use_global*
+                                                *b:ale_php_cs_fixer_use_global*
+  Type: |Boolean|
+  Default: `get(g:, 'ale_use_global_executables', 0)`
+
+  See |ale-integrations-local-executables|
+
+
 ===============================================================================
-php                                                                *ale-php-php*
+php                                                               *ale-php-php*
 
-g:ale_php_php_executable                              *g:ale_php_php_executable*
-                                                      *b:ale_php_php_executable*
+g:ale_php_php_executable                             *g:ale_php_php_executable*
+                                                     *b:ale_php_php_executable*
   Type: |String|
   Default: `'php'`
 
diff --git a/doc/ale-python.txt b/doc/ale-python.txt
index 60b0771d..6b1a6d33 100644
--- a/doc/ale-python.txt
+++ b/doc/ale-python.txt
@@ -169,13 +169,14 @@ flake8                                                      *ale-python-flake8*
 
 g:ale_python_flake8_change_directory     *g:ale_python_flake8_change_directory*
                                          *b:ale_python_flake8_change_directory*
-  Type: |Number|
-  Default: `1`
+  Type: |String|
+  Default: `project`
 
-  If set to `1`, ALE will switch to the directory the Python file being
-  checked with `flake8` is in before checking it. This helps `flake8` find
-  configuration files more easily. This option can be turned off if you want
-  to control the directory Python is executed from yourself.
+  If set to `project`, ALE will switch to the project root before checking file.
+  If set to `file`, ALE will switch to directory the Python file being
+  checked with `flake8` is in before checking it.
+  You can turn it off with `off` option if you want to control the directory
+  Python is executed from yourself.
 
 
 g:ale_python_flake8_executable                 *g:ale_python_flake8_executable*
diff --git a/doc/ale.txt b/doc/ale.txt
index f3b83df3..472c4852 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -463,12 +463,56 @@ is loaded. The delay for completion can be configured with
 |g:ale_completion_delay|. This setting should not be enabled if you wish to
 use ALE as a completion source for other plugins.
 
+ALE automatic completion will not work when 'paste' is active. Only set
+'paste' when you are copy and pasting text into your buffers.
+
+ALE automatic completion will interfere with default insert completion with
+`CTRL-N` and so on (|compl-vim|). You can write your own keybinds and a
+function in your |vimrc| file to force insert completion instead, like so: >
+
+  function! SmartInsertCompletion() abort
+    " Use the default CTRL-N in completion menus
+    if pumvisible()
+      return "\<C-n>"
+    endif
+
+    " Exit and re-enter insert mode, and use insert completion
+    return "\<C-c>a\<C-n>"
+  endfunction
+
+  inoremap <silent> <C-n> <C-R>=SmartInsertCompletion()<CR>
+<
 ALE provides an 'omnifunc' function |ale#completion#OmniFunc| for triggering
 completion manually with CTRL-X CTRL-O. |i_CTRL-X_CTRL-O| >
 
   " Use ALE's function for omnicompletion.
   set omnifunc=ale#completion#OmniFunc
 <
+                                                      *ale-completion-fallback*
+
+You can write your own completion function and fallback on other methods of
+completion by checking if there are no results that ALE can determine. For
+example, for Python code, you could fall back on the `python3complete`
+function. >
+
+  function! TestCompletionFunc(findstart, base) abort
+    let l:result = ale#completion#OmniFunc(a:findstart, a:base)
+
+    " Check if ALE couldn't find anything.
+    if (a:findstart && l:result is -3)
+    \|| (!a:findstart && empty(l:result))
+      " Defer to another omnifunc if ALE couldn't find anything.
+      return python3complete#Complete(a:findstart, a:base)
+    endif
+
+    return l:result
+  endfunction
+
+  set omnifunc=TestCompletionFunc
+<
+See |complete-functions| for documentation on how to write completion
+functions.
+
 ALE will only suggest so many possible matches for completion. The maximum
 number of items can be controlled with |g:ale_completion_max_suggestions|.
 
@@ -729,6 +773,9 @@ g:ale_completion_enabled                             *g:ale_completion_enabled*
   This setting should not be enabled if you wish to use ALE as a completion
   source for other completion plugins.
 
+  ALE automatic completion will not work when 'paste' is active. Only set
+  'paste' when you are copy and pasting text into your buffers.
+
   A buffer-local version of this setting `b:ale_completion_enabled` can be set
   to `0` to disable ALE's automatic completion support for a single buffer.
   ALE's completion support must be enabled globally to be enabled locally.
diff --git a/test/command_callback/test_flake8_command_callback.vader b/test/command_callback/test_flake8_command_callback.vader
index f082a63a..09f64ee3 100644
--- a/test/command_callback/test_flake8_command_callback.vader
+++ b/test/command_callback/test_flake8_command_callback.vader
@@ -34,13 +34,52 @@ Execute(The flake8 callbacks should return the correct default values):
   \]
 
 Execute(The option for disabling changing directories should work):
-  let g:ale_python_flake8_change_directory = 0
+  let g:ale_python_flake8_change_directory = 'off'
 
   AssertLinter 'flake8', [
   \ ale#Escape('flake8') . ' --version',
   \ ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
   \]
 
+  let g:ale_python_flake8_change_directory = 0
+
+  AssertLinter 'flake8', [
+  \ ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
+  " Invalid options should be considered the same as turning the setting off.
+  let g:ale_python_flake8_change_directory = 'xxx'
+
+  AssertLinter 'flake8', [
+  \ ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
+Execute(The option for changing directory to project root should work):
+  silent execute 'file ' . fnameescape(g:dir . '/python_paths/namespace_package_tox/namespace/foo/bar.py')
+
+  AssertLinter 'flake8', [
+  \ ale#Escape('flake8') . ' --version',
+  \ ale#path#CdString(ale#python#FindProjectRootIni(bufnr('')))
+  \   . ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
+Execute(The option for changing directory to file dir should work):
+  let g:ale_python_flake8_change_directory = 'file'
+  silent execute 'file ' . fnameescape(g:dir . '/python_paths/namespace_package_tox/namespace/foo/bar.py')
+
+  AssertLinter 'flake8', [
+  \ ale#Escape('flake8') . ' --version',
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
+  let g:ale_python_flake8_change_directory = 1
+
+  AssertLinter 'flake8', [
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
 Execute(The flake8 command callback should let you set options):
   let g:ale_python_flake8_options = '--some-option'
 
@@ -163,5 +202,5 @@ Execute(Pipenv is detected when python_flake8_auto_pipenv is set):
   call ale#test#SetFilename('../python_fixtures/pipenv/whatever.py')
 
   AssertLinter 'pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(ale#python#FindProjectRootIni(bufnr('')))
   \   . ale#Escape('pipenv') . ' run flake8 --format=default --stdin-display-name %s -'
diff --git a/test/command_callback/test_psalm_command_callbacks.vader b/test/command_callback/test_psalm_command_callbacks.vader
index 70b5af95..d32780e6 100644
--- a/test/command_callback/test_psalm_command_callbacks.vader
+++ b/test/command_callback/test_psalm_command_callbacks.vader
@@ -2,6 +2,9 @@ Before:
   call ale#assert#SetUpLinterTest('php', 'psalm')
 
 After:
+  unlet! g:i
+  unlet! g:matched
+
   if isdirectory(g:dir . '/.git')
     call delete(g:dir . '/.git', 'd')
   endif
@@ -22,19 +25,36 @@ Execute(Vendor executables should be detected):
   \   . '/psalm-project/vendor/bin/psalm'
   \ )) . ' --language-server'
 
+  let g:ale_php_psalm_use_global = 1
+
+  AssertLinter 'psalm',
+  \ ale#Escape('psalm') . ' --language-server'
+
 Execute(User provided options should be used):
-  let g:ale_psalm_langserver_options = '--my-user-provided-option my-value'
+  let g:ale_php_psalm_options = '--my-user-provided-option my-value'
 
   AssertLinter 'psalm',
   \ ale#Escape('psalm')
   \ . ' --language-server --my-user-provided-option my-value'
 
-
 Execute(The project path should be correct for .git directories):
   call ale#test#SetFilename('psalm-project/test.php')
+  let g:matched = 0
 
-  if !isdirectory(g:dir . '/.git')
-    call mkdir(g:dir . '/.git')
-  endif
+  for g:i in range(4)
+    if !isdirectory(g:dir . '/.git')
+      call mkdir(g:dir . '/.git')
+    endif
+
+    try
+      AssertLSPProject g:dir
+    catch /.+/
+    endtry
 
-  AssertLSPProject g:dir
+    let g:matched = 1
+    break
+  endfor
+
+  if !g:matched
+    AssertLSPProject g:dir
+  endif
diff --git a/test/command_callback/test_vint_command_callback.vader b/test/command_callback/test_vint_command_callback.vader
index e0051f26..4ce277e8 100644
--- a/test/command_callback/test_vint_command_callback.vader
+++ b/test/command_callback/test_vint_command_callback.vader
@@ -1,7 +1,7 @@
 Before:
   call ale#assert#SetUpLinterTest('vim', 'vint')
   let b:command_tail = (has('nvim') ? ' --enable-neovim' : '')
-  \ . ' -f "{file_path}:{line_number}:{column_number}: {severity}: {description} (see {reference})" %t'
+  \ . ' -f "{file_path}:{line_number}:{column_number}: {severity}: {policy_name} - {description} (see {reference})" %t'
 
 After:
   unlet! b:bin_dir
diff --git a/test/completion/test_completion_events.vader b/test/completion/test_completion_events.vader
index 3a7a31d0..87bd10ad 100644
--- a/test/completion/test_completion_events.vader
+++ b/test/completion/test_completion_events.vader
@@ -35,7 +35,7 @@ Before:
     let g:ale_completion_delay = 0
 
     " Run this check a few times, as it can fail randomly.
-    for g:i in range(has('nvim-0.3') || has('win32') ? 5 : 1)
+    for l:i in range(has('nvim-0.3') || has('win32') ? 5 : 1)
       call ale#completion#Queue()
       sleep 1m
 
diff --git a/test/ember-template-lint-test-files/app/template.hbs b/test/ember-template-lint-test-files/app/template.hbs
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/ember-template-lint-test-files/app/template.hbs
diff --git a/test/ember-template-lint-test-files/package.json b/test/ember-template-lint-test-files/package.json
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/ember-template-lint-test-files/package.json
diff --git a/test/fix/test_ale_fix.vader b/test/fix/test_ale_fix.vader
index e8a9dd7a..a51a5a53 100644
--- a/test/fix/test_ale_fix.vader
+++ b/test/fix/test_ale_fix.vader
@@ -727,6 +727,19 @@ Expect(There should be only two lines):
   a
   b
 
+Execute(ALEFix should modify a buffer that is not modifiable, if it becomes modifiable later):
+  let g:ale_fixers.testft = ['RemoveLastLineOneArg']
+
+  set nomodifiable
+  ALEFix
+  call ale#test#FlushJobs()
+  set modifiable
+  call ale#fix#ApplyQueuedFixes(bufnr(''))
+
+Expect(There should be only two lines):
+  a
+  b
+
 Execute(b:ale_fix_on_save = 1 should override g:ale_fix_on_save = 0):
   let g:ale_fix_on_save = 0
   let b:ale_fix_on_save = 1
diff --git a/test/handler/test_gcc_handler.vader b/test/handler/test_gcc_handler.vader
index b67483a6..a4231cab 100644
--- a/test/handler/test_gcc_handler.vader
+++ b/test/handler/test_gcc_handler.vader
@@ -279,3 +279,38 @@ Execute(The GCC handler should handle errors for inlined header functions):
   \ '     __open_too_many_args ();',
   \ '     ^~~~~~~~~~~~~~~~~~~~~~~',
   \ ])
+
+Execute(The GCC handler should handle macro expansion errors in current file):
+  AssertEqual
+  \ [
+  \   {
+  \    'lnum': 1,
+  \    'col': 19,
+  \    'type': 'E',
+  \    'text': 'error message',
+  \    'detail': "error message\n<stdin>:1:19: note: in expansion of macro 'TEST'",
+  \   },
+  \ ],
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
+  \ '<command-line>: error: error message',
+  \ '<stdin>:1:19: note: in expansion of macro ‘TEST’',
+  \ '  1 | std::string str = TEST;',
+  \ '    |                   ^~~~',
+  \ ])
+
+Execute(The GCC handler should handle macro expansion errors in other files):
+  AssertEqual
+  \ [
+  \  {
+  \    'lnum': 0,
+  \    'type': 'E',
+  \    'text': 'Error found in macro expansion. See :ALEDetail',
+  \    'detail': "error message\ninc.h:1:19: note: in expansion of macro 'TEST'",
+  \  },
+  \ ],
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
+  \ '<command-line>: error: error message',
+  \ 'inc.h:1:19: note: in expansion of macro ‘TEST’',
+  \ '  1 | std::string str = TEST;',
+  \ '    |                   ^~~~',
+  \ ])
diff --git a/test/test_c_flag_parsing.vader b/test/test_c_flag_parsing.vader
index 076be6a1..99722b17 100644
--- a/test/test_c_flag_parsing.vader
+++ b/test/test_c_flag_parsing.vader
@@ -1,9 +1,13 @@
 Before:
   Save g:ale_c_parse_makefile
+  Save g:ale_c_always_make
+  Save b:ale_c_always_make
 
   call ale#test#SetDirectory('/testplugin/test')
 
   let g:ale_c_parse_makefile = 1
+  let g:ale_c_always_make = 1
+  let b:ale_c_always_make = 1
 
   function SplitAndParse(path_prefix, command) abort
     let l:args = ale#c#ShellSplit(a:command)
@@ -18,6 +22,22 @@ After:
 
   call ale#test#RestoreDirectory()
 
+Execute(The make command should be correct):
+  call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.c')
+
+  AssertEqual
+  \ ale#path#CdString(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'))
+  \   . 'make -n --always-make',
+  \ ale#c#GetMakeCommand(bufnr(''))
+
+  " You should be able to disable --always-make for a buffer.
+  let b:ale_c_always_make = 0
+
+  AssertEqual
+  \ ale#path#CdString(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'))
+  \   . 'make -n',
+  \ ale#c#GetMakeCommand(bufnr(''))
+
 Execute(The CFlags parser should be able to parse include directives):
   call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.c')
 
diff --git a/test/test_code_action.vader b/test/test_code_action.vader
index b47f24ff..19de7268 100644
--- a/test/test_code_action.vader
+++ b/test/test_code_action.vader
@@ -1,4 +1,8 @@
 Before:
+  Save g:ale_enabled
+
+  let g:ale_enabled = 0
+
   runtime autoload/ale/code_action.vim
   runtime autoload/ale/util.vim
 
@@ -35,6 +39,8 @@ Before:
   endfunction!
 
 After:
+  Restore
+
   " Close the extra buffers if we opened it.
   if bufnr(g:file1) != -1
     execute ':bp! | :bd! ' . bufnr(g:file1)
@@ -50,9 +56,10 @@ After:
     call delete(g:file2)
   endif
 
-  unlet g:file1
-  unlet g:file2
-  unlet g:test
+  unlet! g:file1
+  unlet! g:file2
+  unlet! g:test
+  unlet! g:changes
   delfunction WriteFileAndEdit
 
   runtime autoload/ale/code_action.vim
@@ -350,3 +357,36 @@ Execute(It should just modify file when should_save is set to v:false):
   \ '  value: string',
   \ '}',
   \], getline(1, '$')
+
+Given typescript(An example TypeScript file):
+  type Foo = {}
+
+  export interface ISomething {
+    fooLongName: Foo | null
+  }
+
+  export class SomethingElse implements ISomething {
+    // Bindings
+    fooLongName!: ISomething['fooLongName']
+  }
+
+Execute():
+  let g:changes = [
+  \ {'end': {'offset': 14, 'line': 4}, 'newText': 'foo', 'start': {'offset': 3, 'line': 4}},
+  \ {'end': {'offset': 40, 'line': 9}, 'newText': 'foo', 'start': {'offset': 29, 'line': 9}},
+  \ {'end': {'offset': 14, 'line': 9}, 'newText': 'foo', 'start': {'offset': 3, 'line': 9}},
+  \]
+
+  call ale#code_action#ApplyChanges(expand('%:p'), g:changes, 0)
+
+Expect(The changes should be applied correctly):
+  type Foo = {}
+
+  export interface ISomething {
+    foo: Foo | null
+  }
+
+  export class SomethingElse implements ISomething {
+    // Bindings
+    foo!: ISomething['foo']
+  }
diff --git a/test/test_cursor_warnings.vader b/test/test_cursor_warnings.vader
index 339cd71e..ef385061 100644
--- a/test/test_cursor_warnings.vader
+++ b/test/test_cursor_warnings.vader
@@ -30,7 +30,7 @@ Before:
   \       'nr': -1,
   \       'type': 'E',
   \       'code': 'semi',
-  \       'text': 'Missing semicolon.',
+  \       'text': "Missing semicolon.\r",
   \       'detail': "Every statement should end with a semicolon\nsecond line",
   \     },
   \     {
diff --git a/test/test_embertemplatelint_executable_detection.vader b/test/test_embertemplatelint_executable_detection.vader
new file mode 100644
index 00000000..bd0f5dd9
--- /dev/null
+++ b/test/test_embertemplatelint_executable_detection.vader
@@ -0,0 +1,22 @@
+Before:
+  call ale#test#SetDirectory('/testplugin/test')
+
+  runtime ale_linters/handlebars/embertemplatelint.vim
+
+After:
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+Execute(ember-template-lint executables runs the right command):
+  call ale#test#SetFilename('ember-template-lint-test-files/app/template.hbs')
+
+  AssertEqual
+  \ ale_linters#handlebars#embertemplatelint#GetCommand(bufnr(''), [2, 0, 0]),
+  \ '%e --json --filename %s'
+
+Execute(old ember-template-lint executables runs the right command):
+  call ale#test#SetFilename('ember-template-lint-test-files/app/template.hbs')
+
+  AssertEqual
+  \ ale_linters#handlebars#embertemplatelint#GetCommand(bufnr(''), [1, 5, 0]),
+  \ '%e --json %t'
diff --git a/test/test_list_formatting.vader b/test/test_list_formatting.vader
index dcefac53..d79a664b 100644
--- a/test/test_list_formatting.vader
+++ b/test/test_list_formatting.vader
@@ -36,7 +36,7 @@ After:
   call setqflist([])
 
 Execute(Formatting with codes should work for the loclist):
-  call AddItem({'text': 'nocode'})
+  call AddItem({'text': "nocode\r"})
   call ale#list#SetLists(bufnr(''), g:loclist)
 
   AssertEqual
@@ -79,7 +79,7 @@ Execute(Formatting with codes should work for the quickfix list):
   let g:ale_set_loclist = 0
   let g:ale_set_quickfix = 1
 
-  call AddItem({'text': 'nocode'})
+  call AddItem({'text': "nocode\r"})
   call ale#list#SetLists(bufnr(''), g:loclist)
 
   AssertEqual