# HG changeset patch
# User Meredith Howard <mhoward@roomag.org>
# Date 1629440751 14400
# Node ID b769704bb258f4b708ef5f5a84f62e11c69b682e
# Parent  26a36c7d29bbeacaa122d4df1bda8d1aeb5d48fd
auto-prune junk directories

diff --git a/.vim/autoload/vimrc.vim b/.vim/autoload/vimrc.vim
--- a/.vim/autoload/vimrc.vim
+++ b/.vim/autoload/vimrc.vim
@@ -104,3 +104,20 @@ if has('perl')
 END_PERL
   endfunc
 endif
+
+func! vimrc#PrepDir(path, prune_days) abort
+  if !filewritable(path)
+    call mkdir(path, 'p', 0700)
+  endif
+endfunc
+
+func! vimrc#PruneFiles(path, days) abort
+  let l:path = expand(a:path)
+  if isdirectory(l:path)
+    for file in split(globpath(l:path, "*"), "\n")
+      if localtime() > getftime(file) + 86400 * a:days
+        delete(file) != 0
+      endif
+    endfor
+  else
+endfunc
diff --git a/.vimrc b/.vimrc
--- a/.vimrc
+++ b/.vimrc
@@ -241,11 +241,11 @@ set sessionoptions=buffers,curdir,localo
 " Enable enhanced % matching in ruby
 runtime macros/matchit.vim
 
-for subdir in ['backup', 'tmp', 'undo', 'session']
-  if !filewritable(g:vimcache . '/' . subdir)
-    call mkdir(g:vimcache . '/' . subdir, 'p', 0700)
-  endif
+for subdir in ['backup', 'tmp', 'undo']
+  call vimrc#PrepDir(g:vimcache . '/' . subdir)
+  call vimrc#PruneFiles(g:vimcache . '/' . subdir)
 endfor
+call vimrc#PrepDir(g:vimcache . '/session')
 
 set backup
 let &backupdir = g:vimcache . '/backup//,.'