A (hopefully) safer "rm -rf".

Also remove javac option g:syntastic_java_javac_temp_dir, as it's way to
easy to make it trigger a disaster.

Author: lcd047

autoload/syntastic/util.vim

@@ -61,7 +61,8 @@ endfunction " }}}2
 
 " Recursively remove a directory
 function! syntastic#util#rmrf(what) " {{{2
-    if a:what == '.'
+    " try to make sure we don't delete directories we didn't create
+    if a:what !~? 'vim-syntastic-'
         return
     endif
 

plugin/syntastic.vim

@@ -19,7 +19,7 @@ if has('reltime')
     lockvar! g:_SYNTASTIC_START
 endif
 
-let g:_SYNTASTIC_VERSION = '3.5.0-146'
+let g:_SYNTASTIC_VERSION = '3.5.0-147'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1

syntax_checkers/java/javac.vim

@@ -47,10 +47,6 @@ if !exists('g:syntastic_java_javac_delete_output')
     let g:syntastic_java_javac_delete_output = 1
 endif
 
-if !exists('g:syntastic_java_javac_temp_dir')
-    let g:syntastic_java_javac_temp_dir = syntastic#util#tmpdir()
-endif
-
 if !exists('g:syntastic_java_javac_autoload_maven_classpath')
     let g:syntastic_java_javac_autoload_maven_classpath = 1
 endif
@@ -93,7 +89,7 @@ function! SyntaxCheckers_java_javac_GetLocList() dict " {{{1
 
     let output_dir = ''
     if g:syntastic_java_javac_delete_output
-        let output_dir = g:syntastic_java_javac_temp_dir
+        let output_dir = syntastic#util#tmpdir()
         let javac_opts .= ' -d ' . syntastic#util#shescape(output_dir)
     endif
 
@@ -166,15 +162,15 @@ function! SyntaxCheckers_java_javac_GetLocList() dict " {{{1
         \ '%+C%.%#,'.
         \ '%-G%.%#'
 
-    if g:syntastic_java_javac_delete_output
+    if output_dir != ''
         silent! call mkdir(output_dir, 'p')
     endif
     let errors = SyntasticMake({
         \ 'makeprg': makeprg,
         \ 'errorformat': errorformat,
         \ 'postprocess': ['cygwinRemoveCR'] })
 
-    if g:syntastic_java_javac_delete_output
+    if output_dir != ''
         call syntastic#util#rmrf(output_dir)
     endif
     return errors