Correct tree corruption problems in fast-import.

The new tree delta implementation caused blob SHA1s to be used
instead of a tree SHA1 when a tree was written out.  This really
only appeared to happen when converting an existing file to a tree,
but may have been possible in some other situations.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Shawn O. Pearce 2006-08-28 21:43:04 -04:00
parent 23bc886c96
commit b54d6422b1

View File

@ -956,7 +956,8 @@ static void store_tree(struct tree_entry *root)
}
if (is_null_sha1(root->versions[0].sha1)
|| !find_object(root->versions[0].sha1)) {
|| !find_object(root->versions[0].sha1)
|| !S_ISDIR(root->versions[0].mode)) {
lo.data = NULL;
lo.depth = 0;
} else {
@ -1023,6 +1024,7 @@ static int tree_content_set(
if (!S_ISDIR(e->versions[1].mode)) {
e->tree = new_tree_content(8);
e->versions[1].mode = S_IFDIR;
hashclr(e->versions[1].sha1);
}
if (!e->tree)
load_tree(e);
@ -1044,6 +1046,7 @@ static int tree_content_set(
if (slash1) {
e->tree = new_tree_content(8);
e->versions[1].mode = S_IFDIR;
hashclr(e->versions[1].sha1);
tree_content_set(e, slash1 + 1, sha1, mode);
} else {
e->tree = NULL;
@ -1075,10 +1078,13 @@ static int tree_content_remove(struct tree_entry *root, const char *p)
if (!e->tree)
load_tree(e);
if (tree_content_remove(e, slash1 + 1)) {
if (!e->tree->entry_count)
goto del_entry;
hashclr(root->versions[1].sha1);
return 1;
for (n = 0; n < e->tree->entry_count; n++) {
if (e->tree->entries[n]->versions[1].mode) {
hashclr(root->versions[1].sha1);
return 1;
}
}
goto del_entry;
}
return 0;
}