diff --git a/ale_linters/asm/gcc.vim b/ale_linters/asm/gcc.vim
index cbc61ed7..2ef7924e 100644
--- a/ale_linters/asm/gcc.vim
+++ b/ale_linters/asm/gcc.vim
@@ -1,38 +1,37 @@
 " Author: Lucas Kolstad <lkolstad@uw.edu>
 " Description: gcc linter for asm files
 
-let g:ale_asm_gcc_options =
-\   get(g:, 'ale_asm_gcc_options', '-Wall')
+let g:ale_asm_gcc_options = get(g:, 'ale_asm_gcc_options', '-Wall')
 
 function! ale_linters#asm#gcc#GetCommand(buffer) abort
-  return 'gcc -x assembler -fsyntax-only '
-  \    . '-iquote ' . fnameescape(fnamemodify(bufname(a:buffer), ':p:h'))
-  \    . ' ' . g:ale_asm_gcc_options . ' -'
+    return 'gcc -x assembler -fsyntax-only '
+    \    . '-iquote ' . fnameescape(fnamemodify(bufname(a:buffer), ':p:h'))
+    \    . ' ' . g:ale_asm_gcc_options . ' -'
 endfunction
 
 function! ale_linters#asm#gcc#Handle(buffer, lines) abort
-  let l:pattern = '^.\+:\(\d\+\): \([^:]\+\): \(.\+\)$'
-  let l:output = []
+    let l:pattern = '^.\+:\(\d\+\): \([^:]\+\): \(.\+\)$'
+    let l:output = []
 
-  for l:line in a:lines
-    let l:match = matchlist(l:line, l:pattern)
+    for l:line in a:lines
+        let l:match = matchlist(l:line, l:pattern)
 
-    if len(l:match) == 0
-      continue
-    endif
+        if len(l:match) == 0
+            continue
+        endif
 
-    call add(l:output, {
-    \ 'bufnr': a:buffer,
-    \ 'lnum': l:match[1] + 0,
-    \ 'vcol': 0,
-    \ 'col': 0,
-    \ 'text': l:match[3],
-    \ 'type': l:match[2] =~? 'error' ? 'E' : 'W',
-    \ 'nr': -1,
-    \})
-  endfor
+        call add(l:output, {
+        \ 'bufnr': a:buffer,
+        \ 'lnum': l:match[1] + 0,
+        \ 'vcol': 0,
+        \ 'col': 0,
+        \ 'text': l:match[3],
+        \ 'type': l:match[2] =~? 'error' ? 'E' : 'W',
+        \ 'nr': -1,
+        \})
+    endfor
 
-  return l:output
+    return l:output
 endfunction
 
 call ale#linter#Define('asm', {
diff --git a/ale_linters/chef/foodcritic.vim b/ale_linters/chef/foodcritic.vim
index a3a9af2e..e6d1ddb6 100644
--- a/ale_linters/chef/foodcritic.vim
+++ b/ale_linters/chef/foodcritic.vim
@@ -35,10 +35,10 @@ function! ale_linters#chef#foodcritic#Handle(buffer, lines) abort
 endfunction
 
 function! ale_linters#chef#foodcritic#GetCommand(buffer) abort
-  return printf('%s %s %%t', 
-  \   g:ale_chef_foodcritic_executable,
-  \   escape(g:ale_chef_foodcritic_options, '~')
-	\)
+    return printf('%s %s %%t',
+    \   g:ale_chef_foodcritic_executable,
+    \   escape(g:ale_chef_foodcritic_options, '~')
+    \)
 endfunction
 
 
@@ -48,4 +48,3 @@ call ale#linter#Define('chef', {
 \   'command_callback': 'ale_linters#chef#foodcritic#GetCommand',
 \   'callback': 'ale_linters#chef#foodcritic#Handle',
 \})
-
diff --git a/ale_linters/cpp/gcc.vim b/ale_linters/cpp/gcc.vim
index f2261c4f..c16a0706 100644
--- a/ale_linters/cpp/gcc.vim
+++ b/ale_linters/cpp/gcc.vim
@@ -3,15 +3,15 @@
 
 " Set this option to change the GCC options for warnings for C.
 if !exists('g:ale_cpp_gcc_options')
-  " added c++14 standard support
-  " POSIX thread and standard c++ thread and atomic library Linker
-  " let g:ale_cpp_gcc_options = '-std=c++1z' for c++17
-  " for previous version and default, you can just use
-  " let g:ale_cpp_gcc_options = '-Wall'
-  " for more see man pages of gcc
-  " $ man g++
-  " make sure g++ in your $PATH
-  " Add flags according to your requirements
+    " added c++14 standard support
+    " POSIX thread and standard c++ thread and atomic library Linker
+    " let g:ale_cpp_gcc_options = '-std=c++1z' for c++17
+    " for previous version and default, you can just use
+    " let g:ale_cpp_gcc_options = '-Wall'
+    " for more see man pages of gcc
+    " $ man g++
+    " make sure g++ in your $PATH
+    " Add flags according to your requirements
     let g:ale_cpp_gcc_options = '-std=c++14 -Wall'
 endif
 
diff --git a/ale_linters/crystal/crystal.vim b/ale_linters/crystal/crystal.vim
index 5abf7e84..95ab94ff 100644
--- a/ale_linters/crystal/crystal.vim
+++ b/ale_linters/crystal/crystal.vim
@@ -5,7 +5,7 @@ function! ale_linters#crystal#crystal#Handle(buffer, lines) abort
     let l:output = []
 
     let l:lines = join(a:lines, '')
-    
+
     if !empty(l:lines)
       let l:errors = json_decode(l:lines)
 
@@ -24,11 +24,11 @@ function! ale_linters#crystal#crystal#Handle(buffer, lines) abort
 endfunction
 
 function! ale_linters#crystal#crystal#GetCommand(buffer) abort
-  let l:crystal_cmd = 'crystal build -f json --no-codegen -o '
-  let l:crystal_cmd .= shellescape(g:ale#util#nul_file)
-  let l:crystal_cmd .= ' %t'
+    let l:crystal_cmd = 'crystal build -f json --no-codegen -o '
+    let l:crystal_cmd .= shellescape(g:ale#util#nul_file)
+    let l:crystal_cmd .= ' %t'
 
-  return l:crystal_cmd
+    return l:crystal_cmd
 endfunction
 
 call ale#linter#Define('crystal', {
diff --git a/ale_linters/dockerfile/hadolint.vim b/ale_linters/dockerfile/hadolint.vim
index d0789ae8..df1ac799 100644
--- a/ale_linters/dockerfile/hadolint.vim
+++ b/ale_linters/dockerfile/hadolint.vim
@@ -1,43 +1,44 @@
 " Author: hauleth - https://github.com/hauleth
 
 function! ale_linters#dockerfile#hadolint#Handle(buffer, lines) abort
-  " Matches patterns line the following:
-  "
-  " stdin:19: F: Pipe chain should start with a raw value.
-  let l:pattern = '\v^/dev/stdin:?(\d+)? (\S+) (.+)$'
-  let l:output = []
+    " Matches patterns line the following:
+    "
+    " stdin:19: F: Pipe chain should start with a raw value.
+    let l:pattern = '\v^/dev/stdin:?(\d+)? (\S+) (.+)$'
+    let l:output = []
 
-  for l:line in a:lines
-    let l:match = matchlist(l:line, l:pattern)
+    for l:line in a:lines
+        let l:match = matchlist(l:line, l:pattern)
 
-    if len(l:match) == 0
-        continue
-    endif
+        if len(l:match) == 0
+            continue
+        endif
 
-    let l:lnum = 0
+        let l:lnum = 0
 
-    if l:match[1] !=# ''
-        let l:lnum = l:match[1] + 0
-    endif
+        if l:match[1] !=# ''
+            let l:lnum = l:match[1] + 0
+        endif
 
-    let l:type = 'W'
-    let l:text = l:match[3]
+        let l:type = 'W'
+        let l:text = l:match[3]
 
-    call add(l:output, {
-    \   'bufnr': a:buffer,
-    \   'lnum': l:lnum,
-    \   'col': 0,
-    \   'type': l:type,
-    \   'text': l:text,
-    \   'nr': l:match[2],
-    \})
-  endfor
+        call add(l:output, {
+        \   'bufnr': a:buffer,
+        \   'lnum': l:lnum,
+        \   'col': 0,
+        \   'type': l:type,
+        \   'text': l:text,
+        \   'nr': l:match[2],
+        \})
+    endfor
 
-  return l:output
+    return l:output
 endfunction
 
 call ale#linter#Define('dockerfile', {
-      \ 'name': 'hadolint',
-      \ 'executable': 'hadolint',
-      \ 'command': 'hadolint -',
-      \ 'callback': 'ale_linters#dockerfile#hadolint#Handle' })
+\   'name': 'hadolint',
+\   'executable': 'hadolint',
+\   'command': 'hadolint -',
+\   'callback': 'ale_linters#dockerfile#hadolint#Handle',
+\})
diff --git a/ale_linters/elixir/credo.vim b/ale_linters/elixir/credo.vim
index 06c2a913..ce34f47c 100644
--- a/ale_linters/elixir/credo.vim
+++ b/ale_linters/elixir/credo.vim
@@ -1,42 +1,43 @@
 " Author: hauleth - https://github.com/hauleth
 
 function! ale_linters#elixir#credo#Handle(buffer, lines) abort
-  " Matches patterns line the following:
-  "
-  " lib/filename.ex:19:7: F: Pipe chain should start with a raw value.
-  let l:pattern = '\v:(\d+):?(\d+)?: (.): (.+)$'
-  let l:output = []
+    " Matches patterns line the following:
+    "
+    " lib/filename.ex:19:7: F: Pipe chain should start with a raw value.
+    let l:pattern = '\v:(\d+):?(\d+)?: (.): (.+)$'
+    let l:output = []
 
-  for l:line in a:lines
-    let l:match = matchlist(l:line, l:pattern)
+    for l:line in a:lines
+        let l:match = matchlist(l:line, l:pattern)
 
-    if len(l:match) == 0
-        continue
-    endif
+        if len(l:match) == 0
+            continue
+        endif
 
-    let l:type = l:match[3]
-    let l:text = l:match[4]
+        let l:type = l:match[3]
+        let l:text = l:match[4]
 
-    if l:type ==# 'C'
-      let l:type = 'E'
-    elseif l:type ==# 'R'
-      let l:type = 'W'
-    endif
+        if l:type ==# 'C'
+            let l:type = 'E'
+        elseif l:type ==# 'R'
+            let l:type = 'W'
+        endif
 
-    call add(l:output, {
-    \   'bufnr': a:buffer,
-    \   'lnum': l:match[1] + 0,
-    \   'col': l:match[2] + 0,
-    \   'type': l:type,
-    \   'text': l:text,
-    \})
-  endfor
+        call add(l:output, {
+        \   'bufnr': a:buffer,
+        \   'lnum': l:match[1] + 0,
+        \   'col': l:match[2] + 0,
+        \   'type': l:type,
+        \   'text': l:text,
+        \})
+    endfor
 
-  return l:output
+    return l:output
 endfunction
 
 call ale#linter#Define('elixir', {
-      \ 'name': 'credo',
-      \ 'executable': 'mix',
-      \ 'command': 'mix credo suggest --format=flycheck --read-from-stdin %s',
-      \ 'callback': 'ale_linters#elixir#credo#Handle' })
+\   'name': 'credo',
+\   'executable': 'mix',
+\   'command': 'mix credo suggest --format=flycheck --read-from-stdin %s',
+\   'callback': 'ale_linters#elixir#credo#Handle',
+\})
diff --git a/ale_linters/go/gobuild.vim b/ale_linters/go/gobuild.vim
index 5187c682..eee0bf84 100644
--- a/ale_linters/go/gobuild.vim
+++ b/ale_linters/go/gobuild.vim
@@ -4,22 +4,25 @@
 " inspired by work from dzhou121 <dzhou121@gmail.com>
 
 function! ale_linters#go#gobuild#GoEnv(buffer) abort
-  if exists('s:go_env')
-    return ''
-  endif
+    if exists('s:go_env')
+        return ''
+    endif
 
-  return 'go env GOPATH GOROOT'
+    return 'go env GOPATH GOROOT'
 endfunction
 
 function! ale_linters#go#gobuild#GetCommand(buffer, goenv_output) abort
-  if !exists('s:go_env')
-    let s:go_env = {
-    \ 'GOPATH': a:goenv_output[0],
-    \ 'GOROOT': a:goenv_output[1],
-    \}
-  endif
-  " Run go test in local directory with relative path
-  return 'GOPATH=' . s:go_env.GOPATH . ' cd ' . fnamemodify(bufname(a:buffer), ':.:h') . ' && go test -c -o /dev/null ./'
+    if !exists('s:go_env')
+        let s:go_env = {
+        \   'GOPATH': a:goenv_output[0],
+        \   'GOROOT': a:goenv_output[1],
+        \}
+    endif
+
+    " Run go test in local directory with relative path
+    return 'GOPATH=' . s:go_env.GOPATH
+    \   . ' cd ' . fnamemodify(bufname(a:buffer), ':.:h')
+    \   . ' && go test -c -o /dev/null ./'
 endfunction
 
 function! ale_linters#go#gobuild#Handler(buffer, lines) abort
@@ -42,7 +45,7 @@ function! ale_linters#go#gobuild#HandleGoBuildErrors(buffer, full_filename, line
     for l:line in a:lines
         let l:match = matchlist(l:line, l:pattern)
 
-	" Omit errors from imported go packages
+        " Omit errors from imported go packages
         if len(l:match) == 0 || l:line !~ l:filename
             continue
         endif
diff --git a/ale_linters/handlebars/embertemplatelint.vim b/ale_linters/handlebars/embertemplatelint.vim
index 7a630e19..68d9ed6c 100644
--- a/ale_linters/handlebars/embertemplatelint.vim
+++ b/ale_linters/handlebars/embertemplatelint.vim
@@ -27,7 +27,7 @@ endfunction
 function! ale_linters#handlebars#embertemplatelint#Handle(buffer, lines) abort
     if len(a:lines) == 0
       return []
-    end
+    endif
 
     let l:output = []
 
diff --git a/ale_linters/nim/nimcheck.vim b/ale_linters/nim/nimcheck.vim
index 0b8cfc8f..0d3a1b51 100644
--- a/ale_linters/nim/nimcheck.vim
+++ b/ale_linters/nim/nimcheck.vim
@@ -5,7 +5,7 @@
 function! ale_linters#nim#nimcheck#Handle(buffer, lines) abort
     let l:buffer_filename = fnamemodify(bufname(a:buffer), ':p:t')
     let l:pattern = '^\(.\+\.nim\)(\(\d\+\), \(\d\+\)) \(.\+\)'
-    let l:output = [] 
+    let l:output = []
 
     for l:line in a:lines
         let l:match = matchlist(l:line, l:pattern)
@@ -51,7 +51,7 @@ function! ale_linters#nim#nimcheck#Handle(buffer, lines) abort
 endfunction
 
 
-function! ale_linters#nim#nimcheck#GetCommand(buffer)
+function! ale_linters#nim#nimcheck#GetCommand(buffer) abort
     return 'nim check --path:' . fnameescape(fnamemodify(bufname(a:buffer), ':p:h')) . ' --threads:on --verbosity:0 --colors:off --listFullPaths %t'
 endfunction
 
diff --git a/ale_linters/ocaml/merlin.vim b/ale_linters/ocaml/merlin.vim
index 75cdb126..cfec9966 100644
--- a/ale_linters/ocaml/merlin.vim
+++ b/ale_linters/ocaml/merlin.vim
@@ -2,12 +2,11 @@
 " Description: Report errors in OCaml code with Merlin
 
 if !exists('g:merlin')
-  finish
+    finish
 endif
 
 function! ale_linters#ocaml#merlin#Handle(buffer, lines) abort
-  let l:errors = merlin#ErrorLocList()
-  return l:errors
+    return merlin#ErrorLocList()
 endfunction
 
 call ale#linter#Define('ocaml', {
@@ -16,4 +15,3 @@ call ale#linter#Define('ocaml', {
 \   'command': 'true',
 \   'callback': 'ale_linters#ocaml#merlin#Handle',
 \})
-
diff --git a/ale_linters/ruby/rubocop.vim b/ale_linters/ruby/rubocop.vim
index c1aa9536..05763b55 100644
--- a/ale_linters/ruby/rubocop.vim
+++ b/ale_linters/ruby/rubocop.vim
@@ -32,9 +32,9 @@ function! ale_linters#ruby#rubocop#Handle(buffer, lines) abort
 endfunction
 
 function! ale_linters#ruby#rubocop#GetCommand(buffer) abort
-  return 'rubocop --format emacs --force-exclusion ' .
-        \ g:ale_ruby_rubocop_options .
-        \ ' --stdin ' . bufname(a:buffer)
+    return 'rubocop --format emacs --force-exclusion '
+    \   . g:ale_ruby_rubocop_options
+    \   . ' --stdin ' . bufname(a:buffer)
 endfunction
 
 " Set this option to change Rubocop options.
diff --git a/ale_linters/tex/chktex.vim b/ale_linters/tex/chktex.vim
index 95fd2bad..edcfa7d9 100644
--- a/ale_linters/tex/chktex.vim
+++ b/ale_linters/tex/chktex.vim
@@ -8,49 +8,49 @@ let g:ale_tex_chktex_options =
 \   get(g:, 'ale_tex_chktex_options', '-I')
 
 function! ale_linters#tex#chktex#GetCommand(buffer) abort
-  " Check for optional .chktexrc
-  let l:chktex_config = ale#util#FindNearestFile(
-  \   a:buffer,
-  \   '.chktexrc')
+    " Check for optional .chktexrc
+    let l:chktex_config = ale#util#FindNearestFile(
+    \   a:buffer,
+    \   '.chktexrc')
 
-  let l:command = g:ale_tex_chktex_executable
-  " Avoid bug when used without -p (last warning has gibberish for a filename)
-  let l:command .= ' -v0 -p stdin -q'
+    let l:command = g:ale_tex_chktex_executable
+    " Avoid bug when used without -p (last warning has gibberish for a filename)
+    let l:command .= ' -v0 -p stdin -q'
 
-  if !empty(l:chktex_config)
-    let l:command .= ' -l ' . fnameescape(l:chktex_config)
-  endif
+    if !empty(l:chktex_config)
+        let l:command .= ' -l ' . fnameescape(l:chktex_config)
+    endif
 
-  let l:command .= ' ' . g:ale_tex_chktex_options
+    let l:command .= ' ' . g:ale_tex_chktex_options
 
-  return l:command
+    return l:command
 endfunction
 
 function! ale_linters#tex#chktex#Handle(buffer, lines) abort
-  " Mattes lines like:
-  "
-  " stdin:499:2:24:Delete this space to maintain correct pagereferences.
-  " stdin:507:81:3:You should enclose the previous parenthesis with `{}'.
-  let l:pattern = '^stdin:\(\d\+\):\(\d\+\):\(\d\+\):\(.\+\)$'
-  let l:output = []
+    " Mattes lines like:
+    "
+    " stdin:499:2:24:Delete this space to maintain correct pagereferences.
+    " stdin:507:81:3:You should enclose the previous parenthesis with `{}'.
+    let l:pattern = '^stdin:\(\d\+\):\(\d\+\):\(\d\+\):\(.\+\)$'
+    let l:output = []
 
-  for l:line in a:lines
-    let l:match = matchlist(l:line, l:pattern)
+    for l:line in a:lines
+        let l:match = matchlist(l:line, l:pattern)
 
-    if len(l:match) == 0
-      continue
-    endif
+        if len(l:match) == 0
+            continue
+        endif
 
-    call add(l:output, {
-    \   'bufnr': a:buffer,
-    \   'lnum': l:match[1] + 0,
-    \   'col': l:match[2] + 0,
-    \   'text': l:match[4] . ' (' . (l:match[3]+0) . ')',
-    \   'type': 'W',
-    \})
-  endfor
+        call add(l:output, {
+        \   'bufnr': a:buffer,
+        \   'lnum': l:match[1] + 0,
+        \   'col': l:match[2] + 0,
+        \   'text': l:match[4] . ' (' . (l:match[3]+0) . ')',
+        \   'type': 'W',
+        \})
+    endfor
 
-  return l:output
+    return l:output
 endfunction
 
 call ale#linter#Define('tex', {
diff --git a/ale_linters/tex/lacheck.vim b/ale_linters/tex/lacheck.vim
index 94b79e6c..300e95d8 100644
--- a/ale_linters/tex/lacheck.vim
+++ b/ale_linters/tex/lacheck.vim
@@ -13,38 +13,38 @@ function! ale_linters#tex#lacheck#GetCommand(buffer) abort
 endfunction
 
 function! ale_linters#tex#lacheck#Handle(buffer, lines) abort
-  " Mattes lines like:
-  "
-  " "book.tex", line 37: possible unwanted space at "{"
-  " "book.tex", line 38: missing `\ ' after "etc."
+    " Mattes lines like:
+    "
+    " "book.tex", line 37: possible unwanted space at "{"
+    " "book.tex", line 38: missing `\ ' after "etc."
 
-  let l:pattern = '^".\+", line \(\d\+\): \(.\+\)$'
-  let l:output = []
+    let l:pattern = '^".\+", line \(\d\+\): \(.\+\)$'
+    let l:output = []
 
-  for l:line in a:lines
-    let l:match = matchlist(l:line, l:pattern)
+    for l:line in a:lines
+        let l:match = matchlist(l:line, l:pattern)
 
-    if len(l:match) == 0
-      continue
-    endif
+        if len(l:match) == 0
+            continue
+        endif
 
-    " lacheck follows `\input{}` commands. If the cwd is not the same as the
-    " file in the buffer then it will fail to find the inputed items. We do not
-    " want warnings from those items anyway
-    if !empty(matchstr(l:match[2], '^Could not open ".\+"$'))
-      continue
-    endif
+        " lacheck follows `\input{}` commands. If the cwd is not the same as the
+        " file in the buffer then it will fail to find the inputed items. We do not
+        " want warnings from those items anyway
+        if !empty(matchstr(l:match[2], '^Could not open ".\+"$'))
+            continue
+        endif
 
-    call add(l:output, {
-    \   'bufnr': a:buffer,
-    \   'lnum': l:match[1] + 0,
-    \   'col': 0,
-    \   'text': l:match[2],
-    \   'type': 'W',
-    \})
-  endfor
+        call add(l:output, {
+        \   'bufnr': a:buffer,
+        \   'lnum': l:match[1] + 0,
+        \   'col': 0,
+        \   'text': l:match[2],
+        \   'type': 'W',
+        \})
+    endfor
 
-  return l:output
+    return l:output
 endfunction
 
 call ale#linter#Define('tex', {