package/lua-flu: fix to use the system xattr header

We can't carry a mercurial patch, because the luarocks package is not
organised with the same layout as the upstream package source tree is.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Marcin Niestroj <m.niestroj@grinn-global.com>
Cc: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 27e0cad2da0acbaeeb9fd840eaa2a46b294e6e09)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/lua-flu/0001-use-system-xattr-h.patch

@@ -0,0 +1,169 @@
+Use system <sys/xattr.h>
+
+The one from attr is no longer installed with latest version.
+
+ENOATTR was in fact defined as ENODATA, so switch to using that instead.
+
+Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
+
+---
+Upstream status: merged:
+    https://bitbucket.org/doub/flu/pull-requests/1
+    https://bitbucket.org/doub/flu/commits/2d75cc2be79026b94188b11c6f53b219c24a5f70
+
+
+diff -durN lua-flu-20150331-1.orig/doub-flu-a7daae986339/doc/doc.lua lua-flu-20150331-1/doub-flu-a7daae986339/doc/doc.lua
+--- lua-flu-20150331-1.orig/doub-flu-a7daae986339/doc/doc.lua	2015-03-31 18:54:19.000000000 +0200
++++ lua-flu-20150331-1/doub-flu-a7daae986339/doc/doc.lua	2018-05-06 09:22:28.499324049 +0200
+@@ -327,7 +327,7 @@
+ 				name = "fs.getxattr";
+ 				parameters = {"path", "name"};
+ 				results = {"value"};
+-				doc = [[Get an extended attribute. If the attribute doesn't exist `ENOATTR` should be thrown.]];
++				doc = [[Get an extended attribute. If the attribute doesn't exist `ENODATA` should be thrown.]];
+ 			},
+ 			{
+ 				name = "fs.listxattr";
+@@ -338,7 +338,7 @@
+ 			{
+ 				name = "fs.removexattr";
+ 				parameters = {"path", "name"};
+-				doc = [[Remove an extended attribute. If the attribute doesn't exist `ENOATTR` should be thrown.]];
++				doc = [[Remove an extended attribute. If the attribute doesn't exist `ENODATA` should be thrown.]];
+ 			},
+ 			{
+ 				name = "fs.opendir";
+diff -durN lua-flu-20150331-1.orig/doub-flu-a7daae986339/doc/luafs.lua lua-flu-20150331-1/doub-flu-a7daae986339/doc/luafs.lua
+--- lua-flu-20150331-1.orig/doub-flu-a7daae986339/doc/luafs.lua	2015-03-31 18:54:19.000000000 +0200
++++ lua-flu-20150331-1/doub-flu-a7daae986339/doc/luafs.lua	2018-05-06 09:22:28.495324054 +0200
+@@ -222,8 +222,8 @@
+ -- :NOTE: since the filesystem is a pure tree (not a DAG), use the path to find attribs
+ 
+ function luafs.getxattr(path, name)
+-	local attrs = assert(xattrs[path], errno.ENOATTR)
+-	return assert(attrs[name], errno.ENOATTR)
++	local attrs = assert(xattrs[path], errno.ENODATA)
++	return assert(attrs[name], errno.ENODATA)
+ end
+ 
+ function luafs.setxattr(path, name, value, flags)
+@@ -236,7 +236,7 @@
+ end
+ 
+ function luafs.removexattr(path, name)
+-	local attrs = assert(xattrs[path], errno.ENOATTR)
++	local attrs = assert(xattrs[path], errno.ENODATA)
+ 	attrs[name] = nil
+ 	if next(attrs)==nil then
+ 		xattrs[path] = nil
+diff -durN lua-flu-20150331-1.orig/doub-flu-a7daae986339/doc/manual.html lua-flu-20150331-1/doub-flu-a7daae986339/doc/manual.html
+--- lua-flu-20150331-1.orig/doub-flu-a7daae986339/doc/manual.html	2015-03-31 18:54:19.000000000 +0200
++++ lua-flu-20150331-1/doub-flu-a7daae986339/doc/manual.html	2018-05-06 09:22:28.499324049 +0200
+@@ -347,7 +347,7 @@
+ 		<div class="function">
+ 		<h3><a name="fs.getxattr"><code>value = fs.getxattr (path, name)</code></a></h3>
+ 
+-<p>Get an extended attribute. If the attribute doesn't exist <code>ENOATTR</code> should be thrown.</p>
++<p>Get an extended attribute. If the attribute doesn't exist <code>ENODATA</code> should be thrown.</p>
+ 		</div>
+ 
+ 		<div class="function">
+@@ -359,7 +359,7 @@
+ 		<div class="function">
+ 		<h3><a name="fs.removexattr"><code>fs.removexattr (path, name)</code></a></h3>
+ 
+-<p>Remove an extended attribute. If the attribute doesn't exist <code>ENOATTR</code> should be thrown.</p>
++<p>Remove an extended attribute. If the attribute doesn't exist <code>ENODATA</code> should be thrown.</p>
+ 		</div>
+ 
+ 		<div class="function">
+diff -durN lua-flu-20150331-1.orig/doub-flu-a7daae986339/errno.c lua-flu-20150331-1/doub-flu-a7daae986339/errno.c
+--- lua-flu-20150331-1.orig/doub-flu-a7daae986339/errno.c	2015-03-31 18:54:19.000000000 +0200
++++ lua-flu-20150331-1/doub-flu-a7daae986339/errno.c	2018-05-06 09:23:06.323282527 +0200
+@@ -3,7 +3,7 @@
+ #include <lua.h>
+ #include <lauxlib.h>
+ #include <stdlib.h>
+-#include <attr/xattr.h>
++#include <sys/xattr.h>
+ #include "compat.h"
+ 
+ /****************************************************************************/
+@@ -103,7 +103,7 @@
+ 	REGISTER_ERROR(EDOM)
+ 	REGISTER_ERROR(ERANGE)
+ 	REGISTER_ERROR(ENOSYS)
+-	REGISTER_ERROR(ENOATTR)
++	REGISTER_ERROR(ENODATA)
+ 	#undef REGISTER_ERROR
+ }
+ 
+diff -durN lua-flu-20150331-1.orig/doub-flu-a7daae986339/flu-20150331-1.rockspec lua-flu-20150331-1/doub-flu-a7daae986339/flu-20150331-1.rockspec
+--- lua-flu-20150331-1.orig/doub-flu-a7daae986339/flu-20150331-1.rockspec	2018-05-06 09:22:04.123351349 +0200
++++ lua-flu-20150331-1/doub-flu-a7daae986339/flu-20150331-1.rockspec	2018-05-06 09:23:06.323282527 +0200
+@@ -14,7 +14,7 @@
+ 		library = 'fuse',
+ 	},
+ 	ATTR = {
+-		header = 'attr/xattr.h',
++		header = 'sys/xattr.h',
+ 	},
+ }
+ dependencies = {
+diff -durN lua-flu-20150331-1.orig/doub-flu-a7daae986339/flu.c lua-flu-20150331-1/doub-flu-a7daae986339/flu.c
+--- lua-flu-20150331-1.orig/doub-flu-a7daae986339/flu.c	2015-03-31 18:54:19.000000000 +0200
++++ lua-flu-20150331-1/doub-flu-a7daae986339/flu.c	2018-05-06 09:23:06.323282527 +0200
+@@ -15,7 +15,7 @@
+ #include <errno.h>
+ #include <string.h>
+ #include <fuse.h>
+-#include <attr/xattr.h>
++#include <sys/xattr.h>
+ #include <lua.h>
+ #include <lauxlib.h>
+ 
+diff -durN lua-flu-20150331-1.orig/doub-flu-a7daae986339/flu.rockspec.in lua-flu-20150331-1/doub-flu-a7daae986339/flu.rockspec.in
+--- lua-flu-20150331-1.orig/doub-flu-a7daae986339/flu.rockspec.in	2015-03-31 18:54:19.000000000 +0200
++++ lua-flu-20150331-1/doub-flu-a7daae986339/flu.rockspec.in	2018-05-06 09:23:06.323282527 +0200
+@@ -14,7 +14,7 @@
+ 		library = 'fuse',
+ 	},
+ 	ATTR = {
+-		header = 'attr/xattr.h',
++		header = 'sys/xattr.h',
+ 	},
+ }
+ dependencies = {
+diff -durN lua-flu-20150331-1.orig/doub-flu-a7daae986339/README.md lua-flu-20150331-1/doub-flu-a7daae986339/README.md
+--- lua-flu-20150331-1.orig/doub-flu-a7daae986339/README.md	2015-03-31 18:54:19.000000000 +0200
++++ lua-flu-20150331-1/doub-flu-a7daae986339/README.md	2018-05-06 09:22:28.495324054 +0200
+@@ -345,7 +345,7 @@
+ 
+ ### `value = fs.getxattr (path, name)`
+ 
+-Get an extended attribute. If the attribute doesn't exist `ENOATTR` should be thrown.
++Get an extended attribute. If the attribute doesn't exist `ENODATA` should be thrown.
+ 
+ ---
+ 
+@@ -357,7 +357,7 @@
+ 
+ ### `fs.removexattr (path, name)`
+ 
+-Remove an extended attribute. If the attribute doesn't exist `ENOATTR` should be thrown.
++Remove an extended attribute. If the attribute doesn't exist `ENODATA` should be thrown.
+ 
+ ---
+ 
+diff -durN lua-flu-20150331-1.orig/flu-20150331-1.rockspec lua-flu-20150331-1/flu-20150331-1.rockspec
+--- lua-flu-20150331-1.orig/flu-20150331-1.rockspec	2015-04-02 23:44:11.000000000 +0200
++++ lua-flu-20150331-1/flu-20150331-1.rockspec	2018-05-06 09:23:06.323282527 +0200
+@@ -14,7 +14,7 @@
+ 		library = 'fuse',
+ 	},
+ 	ATTR = {
+-		header = 'attr/xattr.h',
++		header = 'sys/xattr.h',
+ 	},
+ }
+ dependencies = {