wic: Check for the existence/correctness of build artifacts

If a user uses the -e option and specifies a machine that hasn't been
built or uses the wrong .wks script for the build artifacts pointed to
by the current machine, we should point that out for obvious cases.

(From OE-Core master rev: a5b9ccadc0603c70c65f74fa386995c585a951db)

(From OE-Core rev: 54e0b423852580c62b43c5ead00f431b971bea1a)

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/scripts/wic b/scripts/wic
index a7221c3610..08473d3df4 100755
--- a/scripts/wic
+++ b/scripts/wic
@@ -143,6 +143,26 @@ def wic_create_subcommand(args, usage_str):
         if not os.path.isdir(native_sysroot):
             print "--native-sysroot (-n) not found, exiting\n"
             sys.exit(1)
+    else:
+        not_found = not_found_dir = ""
+        if not os.path.isdir(rootfs_dir):
+            (not_found, not_found_dir) = ("rootfs-dir", rootfs_dir)
+        elif not os.path.isdir(hdddir) and not os.path.isdir(staging_data_dir):
+            (not_found, not_found_dir) = ("bootimg-dir", bootimg_dir)
+        elif not os.path.isdir(kernel_dir):
+            (not_found, not_found_dir) = ("kernel-dir", kernel_dir)
+        elif not os.path.isdir(native_sysroot):
+            (not_found, not_found_dir) = ("native-sysroot", native_sysroot)
+        if not_found:
+            if not not_found_dir:
+                not_found_dir = "Completely missing artifact - wrong image (.wks) used?"
+            print "Build artifacts not found, exiting."
+            print "  (Please check that the build artifacts for the machine"
+            print "   selected in local.conf actually exist and that they"
+            print "   are the correct artifacts for the image (.wks file)).\n"
+            print "The artifact that couldn't be found was %s:\n  %s" % \
+                (not_found, not_found_dir)
+            sys.exit(1)
 
     wic_create(args, wks_file, rootfs_dir, bootimg_dir, kernel_dir,
                native_sysroot, hdddir, staging_data_dir, scripts_path,