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allow for unchanged objects 

There are situations in which an object may be rebuilt but have no
functional changes, such as a change to an included header file.

This commit changes kpatch-build to tolerate individual unchanged
objects so long as there is, in the end, at least one changed object.

Signed-off-by: Seth Jennings <sjenning@redhat.com>
This commit is contained in:
Seth Jennings 2014-08-08 10:06:30 -05:00
parent ad407d992e
commit fb5dbc2fc5
1 changed files with 11 additions and 2 deletions
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13
kpatch-build/kpatch-build
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@ -417,11 +417,11 @@ FILES="$(find * -type f)"
cd "$TEMPDIR"
mkdir output
declare -A objnames
CHANGED=0
for i in $FILES; do
mkdir -p "output/$(dirname $i)"
cd "$OBJDIR"
find_kobj $i
objnames[$KOBJFILE]=1
if [[ $KOBJFILE = vmlinux ]]; then
KOBJFILE=$VMLINUX
else
@ -442,9 +442,18 @@ for i in $FILES; do
fi
exit 1
fi
[[ $rc -eq 0 ]] || die
# create-diff-object returns 3 if no functional change is found
[[ $rc -eq 0 ]] || [[ $rc -eq 3 ]] || die
if [[ $rc -eq 0 ]]; then
CHANGED=1
objnames[$KOBJFILE]=1
fi
done
if [[ $CHANGED -eq 0 ]]; then
die "no functional changes found"
fi
echo -n "Patched objects:"
for i in "${!objnames[@]}"; do echo -n " $(basename $i)"; done
echo