diff --git a/ale_linters/bib/bibclean.vim b/ale_linters/bib/bibclean.vim
index 9056a9c3..f1610e00 100644
--- a/ale_linters/bib/bibclean.vim
+++ b/ale_linters/bib/bibclean.vim
@@ -18,7 +18,12 @@ function! ale_linters#bib#bibclean#get_type(str) abort
 endfunction
 
 function! ale_linters#bib#bibclean#match_msg(line) abort
-    return matchlist(a:line, '^\(.*\) "stdin", line \(.*\): \(.*\)$')
+    " Legacy message pattern works for bibclean <= v2.11.4. If empty, try
+    " the new message pattern for bibtex > v2.11.4
+    let l:matches_legacy = matchlist(a:line, '^\(.*\) "stdin", line \(\d\+\): \(.*\)$')
+
+    return ! empty(l:matches_legacy) ? l:matches_legacy
+    \ : matchlist(a:line, '^\(.*\) stdin:\(\d\+\):\(.*\)$')
 endfunction
 
 function! ale_linters#bib#bibclean#match_entry(line) abort
diff --git a/ale_linters/java/javac.vim b/ale_linters/java/javac.vim
index f866eb09..a5e57e6c 100644
--- a/ale_linters/java/javac.vim
+++ b/ale_linters/java/javac.vim
@@ -9,13 +9,7 @@ call ale#Set('java_javac_classpath', '')
 call ale#Set('java_javac_sourcepath', '')
 
 function! ale_linters#java#javac#RunWithImportPaths(buffer) abort
-    let l:command = ''
-    let l:pom_path = ale#path#FindNearestFile(a:buffer, 'pom.xml')
-
-    if !empty(l:pom_path) && executable('mvn')
-        let l:command = ale#path#CdString(fnamemodify(l:pom_path, ':h'))
-        \ . 'mvn dependency:build-classpath'
-    endif
+    let l:command = ale#maven#BuildClasspathCommand(a:buffer)
 
     " Try to use Gradle if Maven isn't available.
     if empty(l:command)
diff --git a/autoload/ale/code_action.vim b/autoload/ale/code_action.vim
index 8c7263f3..42f4f265 100644
--- a/autoload/ale/code_action.vim
+++ b/autoload/ale/code_action.vim
@@ -1,26 +1,33 @@
 " Author: Jerko Steiner <jerko.steiner@gmail.com>
 " Description: Code action support for LSP / tsserver
 
-function! ale#code_action#HandleCodeAction(code_action, should_save) abort
+function! ale#code_action#HandleCodeAction(code_action, options) abort
     let l:current_buffer = bufnr('')
     let l:changes = a:code_action.changes
+    let l:should_save = get(a:options, 'should_save')
+    let l:force_save = get(a:options, 'force_save')
+    let l:safe_changes = []
 
     for l:file_code_edit in l:changes
         let l:buf = bufnr(l:file_code_edit.fileName)
 
         if l:buf != -1 && l:buf != l:current_buffer && getbufvar(l:buf, '&mod')
-            call ale#util#Execute('echom ''Aborting action, file is unsaved''')
+            if !l:force_save
+                call ale#util#Execute('echom ''Aborting action, file is unsaved''')
 
-            return
+                return
+            endif
+        else
+            call add(l:safe_changes, l:file_code_edit)
         endif
     endfor
 
-    for l:file_code_edit in l:changes
+    for l:file_code_edit in l:safe_changes
         call ale#code_action#ApplyChanges(
-        \ l:file_code_edit.fileName,
-        \ l:file_code_edit.textChanges,
-        \ a:should_save,
-        \ )
+        \   l:file_code_edit.fileName,
+        \   l:file_code_edit.textChanges,
+        \   l:should_save,
+        \)
     endfor
 endfunction
 
diff --git a/autoload/ale/completion.vim b/autoload/ale/completion.vim
index ecd93600..efbf0fd5 100644
--- a/autoload/ale/completion.vim
+++ b/autoload/ale/completion.vim
@@ -1006,7 +1006,7 @@ function! ale#completion#HandleUserData(completed_item) abort
     \|| l:source is# 'ale-import'
     \|| l:source is# 'ale-omnifunc'
         for l:code_action in get(l:user_data, 'code_actions', [])
-            call ale#code_action#HandleCodeAction(l:code_action, v:false)
+            call ale#code_action#HandleCodeAction(l:code_action, {})
         endfor
     endif
 
diff --git a/autoload/ale/handlers/sh.vim b/autoload/ale/handlers/sh.vim
index 1e50cb89..6ed9fea3 100644
--- a/autoload/ale/handlers/sh.vim
+++ b/autoload/ale/handlers/sh.vim
@@ -1,18 +1,28 @@
 " Author: w0rp <devw0rp@gmail.com>
 
-" Get the shell type for a buffer, based on the hashbang line.
 function! ale#handlers#sh#GetShellType(buffer) abort
-    let l:bang_line = get(getbufline(a:buffer, 1), 0, '')
+    let l:shebang = get(getbufline(a:buffer, 1), 0, '')
 
     let l:command = ''
 
-    " Take the shell executable from the hashbang, if we can.
-    if l:bang_line[:1] is# '#!'
+    " Take the shell executable from the shebang, if we can.
+    if l:shebang[:1] is# '#!'
         " Remove options like -e, etc.
-        let l:command = substitute(l:bang_line, ' --\?[a-zA-Z0-9]\+', '', 'g')
+        let l:command = substitute(l:shebang, ' --\?[a-zA-Z0-9]\+', '', 'g')
     endif
 
-    " If we couldn't find a hashbang, try the filetype
+    " With no shebang line, attempt to use Vim's buffer-local variables.
+    if l:command is# ''
+        if getbufvar(a:buffer, 'is_bash', 0)
+            let l:command = 'bash'
+        elseif getbufvar(a:buffer, 'is_sh', 0)
+            let l:command = 'sh'
+        elseif getbufvar(a:buffer, 'is_kornshell', 0)
+            let l:command = 'ksh'
+        endif
+    endif
+
+    " If we couldn't find a shebang, try the filetype
     if l:command is# ''
         let l:command = &filetype
     endif
diff --git a/autoload/ale/handlers/shellcheck.vim b/autoload/ale/handlers/shellcheck.vim
index b16280f0..351d6d3f 100644
--- a/autoload/ale/handlers/shellcheck.vim
+++ b/autoload/ale/handlers/shellcheck.vim
@@ -13,15 +13,6 @@ function! ale#handlers#shellcheck#GetDialectArgument(buffer) abort
         return l:shell_type
     endif
 
-    " If there's no hashbang, try using Vim's buffer variables.
-    if getbufvar(a:buffer, 'is_bash', 0)
-        return 'bash'
-    elseif getbufvar(a:buffer, 'is_sh', 0)
-        return 'sh'
-    elseif getbufvar(a:buffer, 'is_kornshell', 0)
-        return 'ksh'
-    endif
-
     return ''
 endfunction
 
diff --git a/autoload/ale/maven.vim b/autoload/ale/maven.vim
new file mode 100644
index 00000000..745f8c93
--- /dev/null
+++ b/autoload/ale/maven.vim
@@ -0,0 +1,51 @@
+" Description: Functions for working with Maven projects.
+"
+" Given a buffer number, find a Maven project root.
+function! ale#maven#FindProjectRoot(buffer) abort
+    let l:wrapper_path = ale#path#FindNearestFile(a:buffer, 'mvnw')
+
+    if !empty(l:wrapper_path)
+        return fnamemodify(l:wrapper_path, ':h')
+    endif
+
+    let l:pom_path = ale#path#FindNearestFile(a:buffer, 'pom.xml')
+
+    if !empty(l:pom_path)
+        return fnamemodify(l:pom_path, ':h')
+    endif
+
+    return ''
+endfunction
+
+
+" Given a buffer number, find the path to the executable.
+" First search on the path for 'mvnw' (mvnw.cmd on Windows), if nothing is found,
+" try the global command. Returns an empty string if cannot find the executable.
+function! ale#maven#FindExecutable(buffer) abort
+    let l:wrapper_cmd = has('unix') ? 'mvnw' : 'mvnw.cmd'
+    let l:wrapper_path = ale#path#FindNearestFile(a:buffer, l:wrapper_cmd)
+
+    if executable(l:wrapper_path)
+        return l:wrapper_path
+    endif
+
+    if executable('mvn')
+        return 'mvn'
+    endif
+
+    return ''
+endfunction
+
+" Given a buffer number, build a command to print the classpath of the root
+" project. Returns an empty string if cannot build the command.
+function! ale#maven#BuildClasspathCommand(buffer) abort
+    let l:executable = ale#maven#FindExecutable(a:buffer)
+    let l:project_root = ale#maven#FindProjectRoot(a:buffer)
+
+    if !empty(l:executable) && !empty(l:project_root)
+        return ale#path#CdString(l:project_root)
+        \ . l:executable . ' dependency:build-classpath'
+    endif
+
+    return ''
+endfunction
diff --git a/autoload/ale/organize_imports.vim b/autoload/ale/organize_imports.vim
index e89c832c..e2b1c0d2 100644
--- a/autoload/ale/organize_imports.vim
+++ b/autoload/ale/organize_imports.vim
@@ -12,10 +12,13 @@ function! ale#organize_imports#HandleTSServerResponse(conn_id, response) abort
 
     let l:file_code_edits =  a:response.body
 
-    call ale#code_action#HandleCodeAction({
-    \   'description': 'Organize Imports',
-    \   'changes': l:file_code_edits,
-    \}, v:false)
+    call ale#code_action#HandleCodeAction(
+    \   {
+    \       'description': 'Organize Imports',
+    \       'changes': l:file_code_edits,
+    \   },
+    \   {}
+    \)
 endfunction
 
 function! s:OnReady(linter, lsp_details) abort
diff --git a/autoload/ale/rename.vim b/autoload/ale/rename.vim
index 64952e63..8190411d 100644
--- a/autoload/ale/rename.vim
+++ b/autoload/ale/rename.vim
@@ -33,9 +33,10 @@ function! ale#rename#HandleTSServerResponse(conn_id, response) abort
         return
     endif
 
-    let l:old_name = s:rename_map[a:response.request_seq].old_name
-    let l:new_name = s:rename_map[a:response.request_seq].new_name
-    call remove(s:rename_map, a:response.request_seq)
+    let l:options = remove(s:rename_map, a:response.request_seq)
+
+    let l:old_name = l:options.old_name
+    let l:new_name = l:options.new_name
 
     if get(a:response, 'success', v:false) is v:false
         let l:message = get(a:response, 'message', 'unknown')
@@ -77,10 +78,16 @@ function! ale#rename#HandleTSServerResponse(conn_id, response) abort
         return
     endif
 
-    call ale#code_action#HandleCodeAction({
-    \ 'description': 'rename',
-    \ 'changes': l:changes,
-    \}, v:true)
+    call ale#code_action#HandleCodeAction(
+    \   {
+    \       'description': 'rename',
+    \       'changes': l:changes,
+    \   },
+    \   {
+    \       'should_save': 1,
+    \       'force_save': get(l:options, 'force_save'),
+    \   },
+    \)
 endfunction
 
 function! s:getChanges(workspace_edit) abort
@@ -111,7 +118,7 @@ endfunction
 function! ale#rename#HandleLSPResponse(conn_id, response) abort
     if has_key(a:response, 'id')
     \&& has_key(s:rename_map, a:response.id)
-        call remove(s:rename_map, a:response.id)
+        let l:options = remove(s:rename_map, a:response.id)
 
         if !has_key(a:response, 'result')
             call s:message('No rename result received from server')
@@ -156,14 +163,20 @@ function! ale#rename#HandleLSPResponse(conn_id, response) abort
             \})
         endfor
 
-        call ale#code_action#HandleCodeAction({
-        \   'description': 'rename',
-        \   'changes': l:changes,
-        \}, v:true)
+        call ale#code_action#HandleCodeAction(
+        \   {
+        \       'description': 'rename',
+        \       'changes': l:changes,
+        \   },
+        \   {
+        \       'should_save': 1,
+        \       'force_save': get(l:options, 'force_save'),
+        \   },
+        \)
     endif
 endfunction
 
-function! s:OnReady(line, column, old_name, new_name, linter, lsp_details) abort
+function! s:OnReady(line, column, options, linter, lsp_details) abort
     let l:id = a:lsp_details.connection_id
 
     if !ale#lsp#HasCapability(l:id, 'rename')
@@ -195,19 +208,16 @@ function! s:OnReady(line, column, old_name, new_name, linter, lsp_details) abort
         \   l:buffer,
         \   a:line,
         \   a:column,
-        \   a:new_name
+        \   a:options.new_name
         \)
     endif
 
     let l:request_id = ale#lsp#Send(l:id, l:message)
 
-    let s:rename_map[l:request_id] = {
-    \   'new_name': a:new_name,
-    \   'old_name': a:old_name,
-    \}
+    let s:rename_map[l:request_id] = a:options
 endfunction
 
-function! s:ExecuteRename(linter, old_name, new_name) abort
+function! s:ExecuteRename(linter, options) abort
     let l:buffer = bufnr('')
     let [l:line, l:column] = getpos('.')[1:2]
 
@@ -215,12 +225,11 @@ function! s:ExecuteRename(linter, old_name, new_name) abort
         let l:column = min([l:column, len(getline(l:line))])
     endif
 
-    let l:Callback = function(
-    \ 's:OnReady', [l:line, l:column, a:old_name, a:new_name])
+    let l:Callback = function('s:OnReady', [l:line, l:column, a:options])
     call ale#lsp_linter#StartLSP(l:buffer, a:linter, l:Callback)
 endfunction
 
-function! ale#rename#Execute() abort
+function! ale#rename#Execute(options) abort
     let l:lsp_linters = []
 
     for l:linter in ale#linter#Get(&filetype)
@@ -245,6 +254,10 @@ function! ale#rename#Execute() abort
     endif
 
     for l:lsp_linter in l:lsp_linters
-        call s:ExecuteRename(l:lsp_linter, l:old_name, l:new_name)
+        call s:ExecuteRename(l:lsp_linter, {
+        \   'old_name': l:old_name,
+        \   'new_name': l:new_name,
+        \   'force_save': get(a:options, 'force_save') is 1,
+        \})
     endfor
 endfunction
diff --git a/doc/ale-supported-languages-and-tools.txt b/doc/ale-supported-languages-and-tools.txt
index 7579566a..4528bd33 100644
--- a/doc/ale-supported-languages-and-tools.txt
+++ b/doc/ale-supported-languages-and-tools.txt
@@ -457,9 +457,9 @@ Notes:
 * SugarSS
   * `stylelint`
 * Swift
+  * Apple `swift-format`
   * `sourcekit-lsp`
   * `swiftformat`
-  * `swift-format`
   * `swiftlint`
 * Tcl
   * `nagelfar`!!
diff --git a/doc/ale.txt b/doc/ale.txt
index 0337cdbd..8c150045 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -154,7 +154,7 @@ Any existing problems will be kept.
 3.1 Linting On Other Machines                         *ale-lint-other-machines*
 
 ALE offers support for running linters or fixers on files you are editing
-locally on other machines, so long as the other machine has access the file
+locally on other machines, so long as the other machine has access to the file
 you are editing. This could be a linter or fixer run inside of a Docker image,
 running in a virtual machine, running on a remote server, etc.
 
@@ -3103,6 +3103,12 @@ ALERename                                                           *ALERename*
   The symbol where the cursor is resting will be the symbol renamed, and a
   prompt will open to request a new name.
 
+  ALE will refuse to complete a rename operation if there are files to modify
+  which have not yet been saved in Vim. If the command is run with a bang
+  (`:ALERename!`), all warnings will be suppressed, and files that are still
+  open in Vim and not saved will be ignored and left in a state where symbols
+  in those files will not be updated.
+
 
 ALERepeatSelection                                         *ALERepeatSelection*
 
diff --git a/plugin/ale.vim b/plugin/ale.vim
index 18d867ee..32ec14ac 100644
--- a/plugin/ale.vim
+++ b/plugin/ale.vim
@@ -238,7 +238,7 @@ command! -bar ALEComplete :call ale#completion#GetCompletions('ale-manual')
 command! -bar ALEImport :call ale#completion#Import()
 
 " Rename symbols using tsserver and LSP
-command! -bar ALERename :call ale#rename#Execute()
+command! -bar -bang ALERename :call ale#rename#Execute({'force_save': '<bang>' is# '!'})
 
 " Organize import statements using tsserver
 command! -bar ALEOrganizeImports :call ale#organize_imports#Execute()
diff --git a/supported-tools.md b/supported-tools.md
index 640456cc..10ca2cf2 100644
--- a/supported-tools.md
+++ b/supported-tools.md
@@ -466,9 +466,9 @@ formatting.
 * SugarSS
   * [stylelint](https://github.com/stylelint/stylelint)
 * Swift
+  * [Apple swift-format](https://github.com/apple/swift-format)
   * [sourcekit-lsp](https://github.com/apple/sourcekit-lsp)
   * [swiftformat](https://github.com/nicklockwood/SwiftFormat)
-  * [swift-format](https://github.com/apple/swift-format)
   * [swiftlint](https://github.com/realm/SwiftLint)
 * Tcl
   * [nagelfar](http://nagelfar.sourceforge.net) :floppy_disk:
diff --git a/test/completion/test_ale_import_command.vader b/test/completion/test_ale_import_command.vader
index 2ba9b8d7..d36caae2 100644
--- a/test/completion/test_ale_import_command.vader
+++ b/test/completion/test_ale_import_command.vader
@@ -65,8 +65,8 @@ Before:
     return g:server_started_value
   endfunction
 
-  function! ale#code_action#HandleCodeAction(code_action, should_save) abort
-    Assert !a:should_save
+  function! ale#code_action#HandleCodeAction(code_action, options) abort
+    Assert !get(a:options, 'should_save')
 
     call add(g:code_action_list, a:code_action)
   endfunction
diff --git a/test/completion/test_completion_events.vader b/test/completion/test_completion_events.vader
index f678e773..30bf603c 100644
--- a/test/completion/test_completion_events.vader
+++ b/test/completion/test_completion_events.vader
@@ -50,8 +50,8 @@ Before:
   let g:handle_code_action_called = 0
   function! MockHandleCodeAction() abort
     " delfunction! ale#code_action#HandleCodeAction
-    function! ale#code_action#HandleCodeAction(action, should_save) abort
-      AssertEqual v:false, a:should_save
+    function! ale#code_action#HandleCodeAction(action, options) abort
+      Assert !get(a:options, 'should_save')
       let g:handle_code_action_called += 1
     endfunction
   endfunction
diff --git a/test/handler/test_bibclean_handler.vader b/test/handler/test_bibclean_handler.vader
index 6179d7f5..9da52a92 100644
--- a/test/handler/test_bibclean_handler.vader
+++ b/test/handler/test_bibclean_handler.vader
@@ -4,7 +4,7 @@ Before:
 After:
   call ale#linter#Reset()
 
-Execute(The bibclean handler should parse lines correctly):
+Execute(The bibclean handler should parse lines from bibclean <= v2.11.4 correctly):
 
   AssertEqual
   \ [
@@ -19,6 +19,12 @@ Execute(The bibclean handler should parse lines correctly):
   \     'type': 'E',
   \     'text': 'Expected comma after last field ``keywords''''.',
   \     'col': ' 1'
+  \   },
+  \   {
+  \     'lnum': '176',
+  \     'type': 'W',
+  \     'text': 'Unexpected DOI in URL value ``"https://doi.org/DOI"'''': move to separate DOI = "..." key/value in this entry.',
+  \     'col': '14'
   \   }
   \ ],
   \ ale_linters#bib#bibclean#Handle(255, [
@@ -31,5 +37,52 @@ Execute(The bibclean handler should parse lines correctly):
   \ "??  File positions:  input [main.bib]  output [stdout]",
   \ "??  Entry   input byte=2145 line=63 column= 1 output byte=2146 line=63 column= 0",
   \ "??  Value   input byte=2528 line=71 column= 2 output byte=2527 line=70 column=49",
-  \ "??  Current input byte=2529 line=71 column= 3 output byte=2528 line=70 column=50"
+  \ "??  Current input byte=2529 line=71 column= 3 output byte=2528 line=70 column=50",
+  \ "%% \"stdin\", line 176: Unexpected DOI in URL value ``\"https://doi.org/DOI\"'': move to separate DOI = \"...\" key/value in this entry.",
+  \ "%%  File positions:  input [stdin]  output [stdout]",
+  \ "%%  Entry   input byte=6813 line=174 column= 1 output byte=8543 line=227 column= 0",
+  \ "%%  Value   input byte=6890 line=176 column=14 output byte=8641 line=229 column=17",
+  \ "%%  Current input byte=6938 line=176 column=62 output byte=8641 line=229 column=17"
   \ ])
+
+Execute(The bibclean handler should parse lines of bibclean > v2.11.4 correctly):
+  
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': '60',
+  \     'type': 'W',
+  \     'text': 'Unexpected value in ``month = "09"''''.',
+  \     'col': '17'
+  \   },
+  \   {
+  \     'lnum': '63',
+  \     'type': 'E',
+  \     'text': 'Expected comma after last field ``keywords''''.',
+  \     'col': ' 1'
+  \   },
+  \   {
+  \     'lnum': '176',
+  \     'type': 'W',
+  \     'text': 'Unexpected DOI in URL value ``"https://doi.org/DOI"'''': move to separate DOI = "..." key/value in this entry.',
+  \     'col': '14'
+  \   }
+  \ ],
+  \ ale_linters#bib#bibclean#Handle(255, [
+  \ "%% stdin:60:Unexpected value in ``month = \"09\"''.",
+  \ "%%  File positions:  input [main.bib]  output [stdout]",
+  \ "%%  Entry   input byte=1681 line=50 column= 1 output byte=1680 line=50 column= 0",
+  \ "%%  Value   input byte=2137 line=60 column=17 output byte=2137 line=60 column=17",
+  \ "%%  Current input byte=2139 line=60 column=19 output byte=2137 line=60 column=17",
+  \ "?? stdin:71:Expected comma after last field ``keywords''.",
+  \ "??  File positions:  input [main.bib]  output [stdout]",
+  \ "??  Entry   input byte=2145 line=63 column= 1 output byte=2146 line=63 column= 0",
+  \ "??  Value   input byte=2528 line=71 column= 2 output byte=2527 line=70 column=49",
+  \ "??  Current input byte=2529 line=71 column= 3 output byte=2528 line=70 column=50",
+  \ "%% stdin:176:Unexpected DOI in URL value ``\"https://doi.org/DOI\"'': move to separate DOI = \"...\" key/value in this entry.",
+  \ "%%  File positions:  input [stdin]  output [stdout]",
+  \ "%%  Entry   input byte=6813 line=174 column= 1 output byte=8543 line=227 column= 0",
+  \ "%%  Value   input byte=6890 line=176 column=14 output byte=8641 line=229 column=17",
+  \ "%%  Current input byte=6938 line=176 column=62 output byte=8641 line=229 column=17"
+  \ ])
+
diff --git a/test/maven-test-files/maven-java-project/module1/mvnw b/test/maven-test-files/maven-java-project/module1/mvnw
new file mode 100755
index 00000000..e69de29b
diff --git a/test/maven-test-files/maven-java-project/module1/mvnw.cmd b/test/maven-test-files/maven-java-project/module1/mvnw.cmd
new file mode 100755
index 00000000..e69de29b
diff --git a/test/maven-test-files/maven-java-project/module1/pom.xml b/test/maven-test-files/maven-java-project/module1/pom.xml
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/maven-test-files/maven-java-project/module1/pom.xml
@@ -0,0 +1 @@
+
diff --git a/test/maven-test-files/maven-java-project/module1/src/main/java/dummy1.java b/test/maven-test-files/maven-java-project/module1/src/main/java/dummy1.java
new file mode 100644
index 00000000..e69de29b
diff --git a/test/maven-test-files/maven-java-project/module2/pom.xml b/test/maven-test-files/maven-java-project/module2/pom.xml
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/maven-test-files/maven-java-project/module2/pom.xml
@@ -0,0 +1 @@
+
diff --git a/test/maven-test-files/maven-java-project/module2/src/main/java/dummy2.java b/test/maven-test-files/maven-java-project/module2/src/main/java/dummy2.java
new file mode 100644
index 00000000..e69de29b
diff --git a/test/maven-test-files/mvn b/test/maven-test-files/mvn
new file mode 100755
index 00000000..e69de29b
diff --git a/test/maven-test-files/non-maven-project/src/main/java/dummy.java b/test/maven-test-files/non-maven-project/src/main/java/dummy.java
new file mode 100644
index 00000000..e69de29b
diff --git a/test/test_code_action.vader b/test/test_code_action.vader
index 19de7268..2e5d1381 100644
--- a/test/test_code_action.vader
+++ b/test/test_code_action.vader
@@ -85,7 +85,8 @@ Execute(It should modify and save multiple files):
   \ 'import D from "D"',
   \], g:file2, 'S')
 
-  call ale#code_action#HandleCodeAction({
+  call ale#code_action#HandleCodeAction(
+  \ {
   \   'changes': [{
   \      'fileName': g:file1,
   \      'textChanges': [{
@@ -122,8 +123,10 @@ Execute(It should modify and save multiple files):
   \       },
   \       'newText': "import {A, B} from 'module'\n\n",
   \     }]
-  \  }],
-  \}, v:true)
+  \   }],
+  \ },
+  \ {'should_save': 1},
+  \)
 
   AssertEqual [
   \ 'class Value {',
@@ -153,7 +156,8 @@ Execute(Beginning of file can be modified):
   \]
   call writefile(g:test.text, g:file1, 'S')
 
-  call ale#code_action#HandleCodeAction({
+  call ale#code_action#HandleCodeAction(
+  \ {
   \   'changes': [{
   \      'fileName': g:file1,
   \      'textChanges': [{
@@ -168,7 +172,9 @@ Execute(Beginning of file can be modified):
   \        'newText': "type A: string\ntype B: number\n",
   \      }],
   \   }]
-  \}, v:true)
+  \ },
+  \ {'should_save': 1},
+  \)
 
   AssertEqual [
   \  'type A: string',
@@ -184,22 +190,25 @@ Execute(End of file can be modified):
   \]
   call writefile(g:test.text, g:file1, 'S')
 
-  call ale#code_action#HandleCodeAction({
+  call ale#code_action#HandleCodeAction(
+  \ {
   \   'changes': [{
-  \      'fileName': g:file1,
-  \      'textChanges': [{
-  \        'start': {
-  \          'line': 4,
-  \          'offset': 1,
-  \        },
-  \        'end': {
-  \          'line': 4,
-  \          'offset': 1,
-  \        },
-  \        'newText': "type A: string\ntype B: number\n",
-  \      }],
+  \    'fileName': g:file1,
+  \    'textChanges': [{
+  \      'start': {
+  \        'line': 4,
+  \        'offset': 1,
+  \      },
+  \      'end': {
+  \        'line': 4,
+  \        'offset': 1,
+  \      },
+  \      'newText': "type A: string\ntype B: number\n",
+  \     }],
   \   }]
-  \}, v:true)
+  \ },
+  \ {'should_save': 1},
+  \)
 
   AssertEqual g:test.text + [
   \  'type A: string',
@@ -219,7 +228,8 @@ Execute(Current buffer contents will be reloaded):
   execute 'edit ' . g:file1
   let g:test.buffer = bufnr(g:file1)
 
-  call ale#code_action#HandleCodeAction({
+  call ale#code_action#HandleCodeAction(
+  \ {
   \   'changes': [{
   \      'fileName': g:file1,
   \      'textChanges': [{
@@ -234,7 +244,9 @@ Execute(Current buffer contents will be reloaded):
   \        'newText': "type A: string\ntype B: number\n",
   \      }],
   \   }]
-  \}, v:true)
+  \ },
+  \ {'should_save': 1},
+  \)
 
   AssertEqual [
   \  'type A: string',
@@ -256,11 +268,11 @@ Execute(Cursor will not move when it is before text change):
   let g:test.changes = g:test.create_change(2, 3, 2, 8, 'value2')
 
   call setpos('.', [0, 1, 1, 0])
-  call ale#code_action#HandleCodeAction(g:test.changes, v:true)
+  call ale#code_action#HandleCodeAction(g:test.changes, {'should_save': 1})
   AssertEqual [1, 1], getpos('.')[1:2]
 
   call setpos('.', [0, 2, 2, 0])
-  call ale#code_action#HandleCodeAction(g:test.changes, v:true)
+  call ale#code_action#HandleCodeAction(g:test.changes, {'should_save': 1})
   AssertEqual [2, 2], getpos('.')[1:2]
 
 # ====C====
@@ -271,7 +283,7 @@ Execute(Cursor column will move to the change end when cursor between start/end)
     call WriteFileAndEdit()
     call setpos('.', [0, 2, r, 0])
     AssertEqual '  value: string', getline('.')
-    call ale#code_action#HandleCodeAction(g:test.changes, v:true)
+    call ale#code_action#HandleCodeAction(g:test.changes, {'should_save': 1})
     AssertEqual '  value2: string', getline('.')
     AssertEqual [2, 9], getpos('.')[1:2]
   endfor
@@ -283,7 +295,9 @@ Execute(Cursor column will move back when new text is shorter):
   call setpos('.', [0, 2, 8, 0])
   AssertEqual '  value: string', getline('.')
   call ale#code_action#HandleCodeAction(
-  \ g:test.create_change(2, 3, 2, 8, 'val'), v:true)
+  \ g:test.create_change(2, 3, 2, 8, 'val'),
+  \ {'should_save': 1},
+  \)
   AssertEqual '  val: string', getline('.')
   AssertEqual [2, 6], getpos('.')[1:2]
 
@@ -295,7 +309,7 @@ Execute(Cursor column will move forward when new text is longer):
   call setpos('.', [0, 2, 8, 0])
   AssertEqual '  value: string', getline('.')
   call ale#code_action#HandleCodeAction(
-  \ g:test.create_change(2, 3, 2, 8, 'longValue'), v:true)
+  \ g:test.create_change(2, 3, 2, 8, 'longValue'), {'should_save': 1})
   AssertEqual '  longValue: string', getline('.')
   AssertEqual [2, 12], getpos('.')[1:2]
 
@@ -307,7 +321,7 @@ Execute(Cursor line will move when updates are happening on lines above):
   call setpos('.', [0, 3, 1, 0])
   AssertEqual '}', getline('.')
   call ale#code_action#HandleCodeAction(
-  \ g:test.create_change(1, 1, 2, 1, "test\ntest\n"), v:true)
+  \ g:test.create_change(1, 1, 2, 1, "test\ntest\n"), {'should_save': 1})
   AssertEqual '}', getline('.')
   AssertEqual [4, 1], getpos('.')[1:2]
 
@@ -319,7 +333,7 @@ Execute(Cursor line and column will move when change on lines above and just bef
   call setpos('.', [0, 2, 2, 0])
   AssertEqual '  value: string', getline('.')
   call ale#code_action#HandleCodeAction(
-  \ g:test.create_change(1, 1, 2, 1, "test\ntest\n123"), v:true)
+  \ g:test.create_change(1, 1, 2, 1, "test\ntest\n123"), {'should_save': 1})
   AssertEqual '123  value: string', getline('.')
   AssertEqual [3, 5], getpos('.')[1:2]
 
@@ -331,7 +345,7 @@ Execute(Cursor line and column will move at the end of changes):
   call setpos('.', [0, 2, 10, 0])
   AssertEqual '  value: string', getline('.')
   call ale#code_action#HandleCodeAction(
-  \ g:test.create_change(1, 1, 3, 1, "test\n"), v:true)
+  \ g:test.create_change(1, 1, 3, 1, "test\n"), {'should_save': 1})
   AssertEqual '}', getline('.')
   AssertEqual [2, 1], getpos('.')[1:2]
 
@@ -342,14 +356,14 @@ Execute(Cursor will not move when changes happening on lines >= cursor, but afte
   call setpos('.', [0, 2, 3, 0])
   AssertEqual '  value: string', getline('.')
   call ale#code_action#HandleCodeAction(
-  \ g:test.create_change(2, 10, 3, 1, "number\n"), v:true)
+  \ g:test.create_change(2, 10, 3, 1, "number\n"), {'should_save': 1})
   AssertEqual '  value: number', getline('.')
   AssertEqual [2, 3], getpos('.')[1:2]
 
 Execute(It should just modify file when should_save is set to v:false):
   call WriteFileAndEdit()
   let g:test.change = g:test.create_change(1, 1, 1, 1, "import { writeFile } from 'fs';\n")
-  call ale#code_action#HandleCodeAction(g:test.change, v:false)
+  call ale#code_action#HandleCodeAction(g:test.change, {})
   AssertEqual 1, getbufvar(bufnr(''), '&modified')
   AssertEqual [
   \ 'import { writeFile } from ''fs'';',
diff --git a/test/test_maven_build_classpath_command.vader b/test/test_maven_build_classpath_command.vader
new file mode 100644
index 00000000..2d8b38a5
--- /dev/null
+++ b/test/test_maven_build_classpath_command.vader
@@ -0,0 +1,48 @@
+Before:
+  Save $PATH
+  Save $PATHEXT
+
+  let $PATHEXT = '.'
+
+  call ale#test#SetDirectory('/testplugin/test')
+  runtime ale_linters/java/javac.vim
+  let g:expected_wrapper = ''
+  if has('unix')
+    let g:expected_wrapper = 'mvnw'
+  else
+    let g:expected_wrapper = 'mvnw.cmd'
+  endif
+
+After:
+  Restore
+
+  unlet! g:expected_wrapper
+
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+Execute(Should use 'mvnw' in classpath command if available):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module1/src/main/java/dummy1.java')
+
+  AssertEqual
+  \ ale#path#CdString(ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module1'))
+  \ . ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module1/' . g:expected_wrapper)
+  \ . ' dependency:build-classpath',
+  \ ale#maven#BuildClasspathCommand(bufnr(''))
+
+Execute(Should use 'mvn' in classpath command if it is executable and 'mvnw' is unavailable):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module2/src/main/java/dummy2.java')
+  let $PATH .= (has('win32') ? ';' : ':')
+  \ . ale#path#Simplify(g:dir . '/maven-test-files')
+
+  AssertEqual
+  \ ale#path#CdString(ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module2'))
+  \ . 'mvn dependency:build-classpath',
+  \ ale#maven#BuildClasspathCommand(bufnr(''))
+
+Execute(Should return empty string if maven cannot be executed):
+  call ale#test#SetFilename('maven-test-files/non-maven-project/src/main/java/dummy.java')
+
+  AssertEqual
+  \ '',
+  \ ale#maven#BuildClasspathCommand(bufnr(''))
diff --git a/test/test_maven_find_executable.vader b/test/test_maven_find_executable.vader
new file mode 100644
index 00000000..1d2f6da2
--- /dev/null
+++ b/test/test_maven_find_executable.vader
@@ -0,0 +1,46 @@
+Before:
+  Save $PATH
+  Save $PATHEXT
+
+  " Count the maven executable without .exe as executable on Windows
+  let $PATHEXT = '.'
+
+  call ale#test#SetDirectory('/testplugin/test')
+  runtime ale_linters/java/javac.vim
+  let g:expected_wrapper = ''
+  if has('unix')
+    let g:expected_wrapper = 'mvnw'
+  else
+    let g:expected_wrapper = 'mvnw.cmd'
+  endif
+
+After:
+  Restore
+
+  unlet! g:expected_wrapper
+
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+Execute(Should return 'mvnw' if found in parent directory):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module1/src/main/java/dummy1.java')
+
+  AssertEqual
+  \ ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module1/' . g:expected_wrapper),
+  \ ale#maven#FindExecutable(bufnr(''))
+
+Execute(Should return 'mvn' if 'mvnw' not found in parent directory):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module2/src/main/java/dummy2.java')
+  let $PATH .= (has('win32') ? ';' : ':')
+  \ . ale#path#Simplify(g:dir . '/maven-test-files')
+
+  AssertEqual
+  \ 'mvn',
+  \ ale#maven#FindExecutable(bufnr(''))
+
+Execute(Should return empty string if 'mvnw' not in parent directory and mvn not in path):
+  call ale#test#SetFilename('mvn-test-files/java-maven-project/module2/src/main/java/dummy2.java')
+
+  AssertEqual
+  \ '',
+  \ ale#gradle#FindExecutable(bufnr(''))
diff --git a/test/test_maven_find_project_root.vader b/test/test_maven_find_project_root.vader
new file mode 100644
index 00000000..3a2138d1
--- /dev/null
+++ b/test/test_maven_find_project_root.vader
@@ -0,0 +1,28 @@
+Before:
+  call ale#test#SetDirectory('/testplugin/test')
+  runtime ale_linters/kotlin/javac.vim
+
+After:
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+Execute(Should return directory for 'mvnw' if found in parent directory):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module1/src/main/java/dummy1.java')
+
+  AssertEqual
+  \ ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module1'),
+  \ ale#maven#FindProjectRoot(bufnr(''))
+
+Execute(Should return directory for 'pom.xml' if found in parent directory):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module2/src/main/java/dummy2.java')
+
+  AssertEqual
+  \ ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module2'),
+  \ ale#maven#FindProjectRoot(bufnr(''))
+
+Execute(Should return empty string if maven files are not found in parent directory):
+  call ale#test#SetFilename('maven-test-files/non-maven-project/src/main/java/dummy.java')
+
+  AssertEqual
+  \ '',
+  \ ale#maven#FindProjectRoot(bufnr(''))
diff --git a/test/test_organize_imports.vader b/test/test_organize_imports.vader
index c51ff1c0..35cd99ff 100644
--- a/test/test_organize_imports.vader
+++ b/test/test_organize_imports.vader
@@ -57,9 +57,9 @@ Before:
     call add(g:expr_list, a:expr)
   endfunction
 
-  function! ale#code_action#HandleCodeAction(code_action, should_save) abort
+  function! ale#code_action#HandleCodeAction(code_action, options) abort
     let g:handle_code_action_called = 1
-    AssertEqual v:false, a:should_save
+    Assert !get(a:options, 'should_save')
     call add(g:code_actions, a:code_action)
   endfunction
 
diff --git a/test/test_rename.vader b/test/test_rename.vader
index 34d9e32e..2e8b746e 100644
--- a/test/test_rename.vader
+++ b/test/test_rename.vader
@@ -57,9 +57,9 @@ Before:
     call add(g:expr_list, a:expr)
   endfunction
 
-  function! ale#code_action#HandleCodeAction(code_action, should_save) abort
+  function! ale#code_action#HandleCodeAction(code_action, options) abort
     let g:handle_code_action_called = 1
-    AssertEqual v:true, a:should_save
+    Assert get(a:options, 'should_save')
     call add(g:code_actions, a:code_action)
   endfunction
 
@@ -269,7 +269,7 @@ Execute(tsserver rename requests should be sent):
   \   }]
   \ ],
   \ g:message_list
-  AssertEqual {'42': {'old_name': 'somelongerline', 'new_name': 'a-new-name'}},
+  AssertEqual {'42': {'old_name': 'somelongerline', 'new_name': 'a-new-name', 'force_save': 0}},
   \ ale#rename#GetMap()
 
 Given python(Some Python file):
@@ -470,7 +470,7 @@ Execute(LSP rename requests should be sent):
   let b:ale_linters = ['pyls']
   call setpos('.', [bufnr(''), 1, 5, 0])
 
-  ALERename
+  ALERename!
 
   " We shouldn't register the callback yet.
   AssertEqual '''''', string(g:Callback)
@@ -500,5 +500,5 @@ Execute(LSP rename requests should be sent):
   \ ],
   \ g:message_list
 
-  AssertEqual {'42': {'old_name': 'foo', 'new_name': 'a-new-name'}},
+  AssertEqual {'42': {'old_name': 'foo', 'new_name': 'a-new-name', 'force_save': 1}},
   \ ale#rename#GetMap()