wic: misc: Do not find for executables in ASSUME_PROVIDED

Executables like tar won't be available on the native sysroot, as they
are part of the ASSUME_PROVIDED variable.

Cc: Paul Barker <pbarker@konsulko.com>
(From OE-Core rev: 2f574d535f8665b26dab65c14668cf8fc7b751c0)

Signed-off-by: Ricardo Ribalda Delgado <ricardo@ribalda.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/wic/misc.py

@@ -45,7 +45,8 @@ NATIVE_RECIPES = {"bmaptool": "bmap-tools",
                   "parted": "parted",
                   "sfdisk": "util-linux",
                   "sgdisk": "gptfdisk",
-                  "syslinux": "syslinux"
+                  "syslinux": "syslinux",
+                  "tar": "tar"
                  }
 
 def runtool(cmdln_or_args):
@@ -112,6 +113,15 @@ def exec_cmd(cmd_and_args, as_shell=False):
     """
     return _exec_cmd(cmd_and_args, as_shell)[1]
 
+def find_executable(cmd, paths):
+    recipe = cmd
+    if recipe in NATIVE_RECIPES:
+        recipe =  NATIVE_RECIPES[recipe]
+    provided = get_bitbake_var("ASSUME_PROVIDED")
+    if provided and "%s-native" % recipe in provided:
+        return True
+
+    return spawn.find_executable(cmd, paths)
 
 def exec_native_cmd(cmd_and_args, native_sysroot, pseudo=""):
     """
@@ -136,7 +146,7 @@ def exec_native_cmd(cmd_and_args, native_sysroot, pseudo=""):
     logger.debug("exec_native_cmd: %s", native_cmd_and_args)
 
     # If the command isn't in the native sysroot say we failed.
-    if spawn.find_executable(args[0], native_paths):
+    if find_executable(args[0], native_paths):
         ret, out = _exec_cmd(native_cmd_and_args, True)
     else:
         ret = 127