From 2ab64514d02576b929ce3e7123fc45b6a148891a Mon Sep 17 00:00:00 2001
From: lfree <xh.dreamlover@gmail.com>
Date: Fri, 23 Nov 2018 17:39:50 +0800
Subject: php: change phpstan's --errorFormat to --error-format (#2005)

* php: change phpstan's --errorFormat to --error-format
* add version check to phpstan
---
 ale_linters/php/phpstan.vim                        | 36 +++++++++++++++++++---
 .../test_phpstan_command_callbacks.vader           | 10 ++++++
 2 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/ale_linters/php/phpstan.vim b/ale_linters/php/phpstan.vim
index b3875216..1c831e1b 100644
--- a/ale_linters/php/phpstan.vim
+++ b/ale_linters/php/phpstan.vim
@@ -6,15 +6,40 @@ let g:ale_php_phpstan_executable = get(g:, 'ale_php_phpstan_executable', 'phpsta
 let g:ale_php_phpstan_level = get(g:, 'ale_php_phpstan_level', '4')
 let g:ale_php_phpstan_configuration = get(g:, 'ale_php_phpstan_configuration', '')
 
-function! ale_linters#php#phpstan#GetCommand(buffer) abort
+function! ale_linters#php#phpstan#GetExecutable(buffer) abort
+    return ale#Var(a:buffer, 'php_phpstan_executable')
+endfunction
+
+function! ale_linters#php#phpstan#VersionCheck(buffer) abort
+    let l:executable = ale_linters#php#phpstan#GetExecutable(a:buffer)
+
+    " If we have previously stored the version number in a cache, then
+    " don't look it up again.
+    if ale#semver#HasVersion(l:executable)
+        " Returning an empty string skips this command.
+        return ''
+    endif
+
+    let l:executable = ale#Escape(l:executable)
+
+    return l:executable . ' --version'
+endfunction
+
+function! ale_linters#php#phpstan#GetCommand(buffer, version_output) abort
     let l:configuration = ale#Var(a:buffer, 'php_phpstan_configuration')
     let l:configuration_option = !empty(l:configuration)
     \   ? ' -c ' . l:configuration
     \   : ''
 
+    let l:executable = ale_linters#php#phpstan#GetExecutable(a:buffer)
+    let l:version = ale#semver#GetVersion(l:executable, a:version_output)
+    let l:error_format = ale#semver#GTE(l:version, [0, 10, 3])
+    \   ? ' --error-format raw'
+    \   : ' --errorFormat raw'
+
     return '%e analyze -l'
     \   . ale#Var(a:buffer, 'php_phpstan_level')
-    \   . ' --errorFormat raw'
+    \   . l:error_format
     \   . l:configuration_option
     \   . ' %s'
 endfunction
@@ -40,7 +65,10 @@ endfunction
 
 call ale#linter#Define('php', {
 \   'name': 'phpstan',
-\   'executable_callback': ale#VarFunc('php_phpstan_executable'),
-\   'command_callback': 'ale_linters#php#phpstan#GetCommand',
+\   'executable_callback': 'ale_linters#php#phpstan#GetExecutable',
+\   'command_chain': [
+\       {'callback': 'ale_linters#php#phpstan#VersionCheck'},
+\       {'callback': 'ale_linters#php#phpstan#GetCommand'},
+\   ],
 \   'callback': 'ale_linters#php#phpstan#Handle',
 \})
diff --git a/test/command_callback/test_phpstan_command_callbacks.vader b/test/command_callback/test_phpstan_command_callbacks.vader
index c7db587a..665661a3 100644
--- a/test/command_callback/test_phpstan_command_callbacks.vader
+++ b/test/command_callback/test_phpstan_command_callbacks.vader
@@ -1,6 +1,8 @@
 Before:
   call ale#assert#SetUpLinterTest('php', 'phpstan')
 
+  WithChainResults ['0.10.2']
+
 After:
   call ale#assert#TearDownLinterTest()
 
@@ -22,3 +24,11 @@ Execute(Custom phpstan configuration file):
 
   AssertLinter 'phpstan',
   \ ale#Escape('phpstan') . ' analyze -l4 --errorFormat raw -c phpstan_config %s'
+
+Execute(Choose the right format for error format param):
+  WithChainResults ['0.10.3']
+
+  AssertLinter 'phpstan', [
+  \ ale#Escape('phpstan') . ' --version',
+  \ ale#Escape('phpstan') . ' analyze -l4 --error-format raw %s'
+  \ ]
-- 
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