sanity: Add error check for '%' in build path

It has been reported that '%' characters in build paths break with python
exceptions, probably due to confusion with python string escaping. Whilst it
is probably fixable, showing the user a human readable error is better given
it doesn't work.

[YOCTO #14282]

(From OE-Core rev: 31a3cf78452270131a657be45e76569515cff7ef)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
index 894f0e3107..14ffac0bf2 100644
--- a/meta/classes/sanity.bbclass
+++ b/meta/classes/sanity.bbclass
@@ -887,6 +887,8 @@ def check_sanity_everybuild(status, d):
         status.addresult("Error, you have an invalid character (+) in your COREBASE directory path. Please move the installation to a directory which doesn't include any + characters.")
     if oeroot.find('@') != -1:
         status.addresult("Error, you have an invalid character (@) in your COREBASE directory path. Please move the installation to a directory which doesn't include any @ characters.")
+    if oeroot.find('%') != -1:
+        status.addresult("Error, you have an invalid character (%) in your COREBASE directory path which causes problems with python string formatting. Please move the installation to a directory which doesn't include any % characters.") 
     if oeroot.find(' ') != -1:
         status.addresult("Error, you have a space in your COREBASE directory path. Please move the installation to a directory which doesn't include a space since autotools doesn't support this.")