From: Andrew Cooper <andrew.cooper3@citrix.com>
Date: Tue, 27 Aug 2019 15:38:39 +0000 (+0100)
Subject: livepatch: Identify the object file create-diff-object dislikes
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=8ddcfae3b646784f56e68b1a1121e894576baf16;p=livepatch-build-tools.git

livepatch: Identify the object file create-diff-object dislikes

... rather than leaving the user with no hint as to where to debug next.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
---

diff --git a/livepatch-build b/livepatch-build
index 7068faf..b198c97 100755
--- a/livepatch-build
+++ b/livepatch-build
@@ -140,7 +140,7 @@ function create_patch()
             die "no core file found, run 'ulimit -c unlimited' and try to recreate"
         fi
         # create-diff-object returns 3 if no functional change is found
-        [[ $rc -eq 0 ]] || [[ $rc -eq 3 ]] || ERROR=$(expr $ERROR "+" 1)
+        [[ $rc -eq 0 ]] || [[ $rc -eq 3 ]] || { ERROR=$(expr $ERROR "+" 1); warn "create-diff-object $i rc $rc"; }
         if [[ $rc -eq 0 ]]; then
             CHANGED=1
         fi