[latex3-commits] [l3svn] 07/09: exclude the build directory itself

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joseph pushed a commit to branch master
in repository l3svn.

commit 8ab70924c187686958ff3b7408cf0cb0acfb1d53
Author: XZS <d.f.fischer at web.de>
Date:   Mon May 22 14:32:40 2017 +0200

    exclude the build directory itself
    
    This prevents a bad surprise with wildcards: "*/" can now be used to
    specify "all directories" without recursively coping the build path into
    a subdirectory of itself, which before invoked an endless recursion
    until the file system is filled up.
---
 l3build/l3build.lua |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/l3build/l3build.lua b/l3build/l3build.lua
index d2ed706..07fa76a 100644
--- a/l3build/l3build.lua
+++ b/l3build/l3build.lua
@@ -581,10 +581,13 @@ function tree(path, glob)
     local critereon = critereon == "/" and is_dir or always_true
     function fill(path, dir, table)
       for _, file in ipairs(filelist(dir, pattern)) do
-        if file ~= "." and file ~= ".." then
+        local fullpath = path .. "/" .. file
+        if file ~= "." and file ~= ".." and
+          fullpath ~= maindir .. "/build"
+        then
           local fulldir = dir .. "/" .. file
           if critereon(fulldir) then
-            table[path .. "/" .. file] = fulldir
+            table[fullpath] = fulldir
           end
         end
       end

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