commit 63a758b4890e729195fde868e34d0015cda8b065

Author: Frank Ch. Eigler <fche@redhat.com>

Date:   Thu Aug 11 13:40:55 2016 -0400

    RHBZ1312169: make stap-prep fall back to debuginfo-install

    On some fedora / rhel boxes and their repo selections,

    "debuginfo-install" can sometimes fetch the right files

    even if "yum install" cannot.

diff --git a/stap-prep b/stap-prep

index 5c233bf..ca9adff 100755

--- a/stap-prep

+++ b/stap-prep

@@ -26,13 +26,17 @@ KERN_ARCH=`uname -m`

 KERN_REV=`echo $UNAME | sed s/.$KERN_ARCH//` # strip arch from uname

 CANDIDATES="$KERNEL-$KERN_REV.$KERN_ARCH \

   $KERNEL-devel-$KERN_REV.$KERN_ARCH \

+  yum-utils \

   $KERNEL-debuginfo-$KERN_REV.$KERN_ARCH"

 NEEDED=`rpm --qf "%{name}-%{version}-%{release}.%{arch}\n" \

     -q $CANDIDATES | grep "is not installed" | awk '{print $2}'`

 if [ "$NEEDED" != "" ]; then

     echo -e "Need to install the following packages:\n$NEEDED"

     if [ `id -u` = "0" ]; then #attempt to install

-        yum install -y --enablerepo=\* $NEEDED

+        yum install -y --enablerepo=\* $NEEDED ||

+	    (if expr "$NEEDED" : ".*debuginfo.*" >/dev/null;

+             then debuginfo-install -y $KERNEL-$KERN_REV.$KERN_ARCH;

+             fi)

         rpm -q $NEEDED

         check_error $? "problem installing rpm(s) $NEEDED"

     fi