case "$filter_subdir" in
"")
- git read-tree -i -m $commit
+ GIT_ALLOW_NULL_SHA1=1 git read-tree -i -m $commit
;;
*)
# The commit may not have the subdirectory at all
- err=$(git read-tree -i -m $commit:"$filter_subdir" 2>&1) || {
+ err=$(GIT_ALLOW_NULL_SHA1=1 \
+ git read-tree -i -m $commit:"$filter_subdir" 2>&1) || {
if ! git rev-parse -q --verify $commit:"$filter_subdir"
then
rm -f "$GIT_INDEX_FILE"
parentstr=
for parent in $parents; do
for reparent in $(map "$parent"); do
- parentstr="$parentstr -p $reparent"
+ case "$parentstr " in
+ *" -p $reparent "*)
+ ;;
+ *)
+ parentstr="$parentstr -p $reparent"
+ ;;
+ esac
done
done
if [ "$filter_parent" ]; then