dir="$1"
revs="$2"
git log --grep="^git-subtree-dir: $dir\$" \
- --pretty=format:'%s%n%n%b%nEND' "$revs" |
+ --pretty=format:'%s%n%n%b%nEND' $revs |
while read a b junk; do
case "$a" in
git-subtree-mainline:) main="$b" ;;
{
# We're doing to set some environment vars here, so
# do it in a subshell to get rid of them safely later
+ debug copy_commit "{$1}" "{$2}" "{$3}"
git log -1 --pretty=format:'%an%n%ae%n%ad%n%cn%n%ce%n%cd%n%s%n%n%b' "$1" |
(
read GIT_AUTHOR_NAME
assert [ -n "$tree" ]
identical=
+ nonidentical=
p=
+ gotparents=
for parent in $newparents; do
ptree=$(toptree_for_commit $parent) || exit $?
+ [ -z "$ptree" ] && continue
if [ "$ptree" = "$tree" ]; then
# an identical parent could be used in place of this rev.
identical="$parent"
+ else
+ nonidentical="$parent"
fi
- if [ -n "$ptree" ]; then
- parentmatch="$parentmatch$parent"
+
+ # sometimes both old parents map to the same newparent;
+ # eliminate duplicates
+ is_new=1
+ for gp in $gotparents; do
+ if [ "$gp" = "$parent" ]; then
+ is_new=
+ break
+ fi
+ done
+ if [ -n "$is_new" ]; then
+ gotparents="$gotparents $parent"
p="$p -p $parent"
fi
done
- if [ -n "$identical" -a "$parentmatch" = "$identical" ]; then
+ if [ -n "$identical" ]; then
echo $identical
else
copy_commit $rev $tree "$p" || exit $?
unrevs="$(find_existing_splits "$dir" "$revs")"
fi
- # We can't restrict rev-list to only "$dir" here, because that leaves out
- # critical information about commit parents.
- debug "git rev-list --reverse --parents $revs $unrevs"
+ # We can't restrict rev-list to only $dir here, because some of our
+ # parents have the $dir contents the root, and those won't match.
+ # (and rev-list --follow doesn't seem to solve this)
git rev-list --reverse --parents $revs $unrevs |
while read rev parents; do
debug