#include "cache.h"
#include "tree.h"
+#include "tree-walk.h"
#include "cache-tree.h"
#ifndef DEBUG
funny = 0;
for (i = 0; i < entries; i++) {
struct cache_entry *ce = cache[i];
- if (ce_stage(ce)) {
+ if (ce_stage(ce) || (ce->ce_flags & CE_INTENT_TO_ADD)) {
if (10 < ++funny) {
fprintf(stderr, "...\n");
break;
}
- fprintf(stderr, "%s: unmerged (%s)\n",
- ce->name, sha1_to_hex(ce->sha1));
+ if (ce_stage(ce))
+ fprintf(stderr, "%s: unmerged (%s)\n",
+ ce->name, sha1_to_hex(ce->sha1));
+ else
+ fprintf(stderr, "%s: not added yet\n",
+ ce->name);
}
}
if (funny)
}
else {
sha1 = ce->sha1;
- mode = ntohl(ce->ce_mode);
+ mode = ce->ce_mode;
entlen = pathlen - baselen;
}
if (mode != S_IFGITLINK && !missing_ok && !has_sha1_file(sha1))
- return error("invalid object %s", sha1_to_hex(sha1));
+ return error("invalid object %06o %s for '%.*s'",
+ mode, sha1_to_hex(sha1), entlen+baselen, path);
- if (!ce->ce_mode)
+ if (ce->ce_flags & CE_REMOVE)
continue; /* entry being removed */
strbuf_grow(&buffer, entlen + 100);
return read_one(&buffer, &size);
}
-struct cache_tree *cache_tree_find(struct cache_tree *it, const char *path)
+static struct cache_tree *cache_tree_find(struct cache_tree *it, const char *path)
{
+ if (!it)
+ return NULL;
while (*path) {
const char *slash;
struct cache_tree_sub *sub;
}
return it;
}
+
+int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix)
+{
+ int entries, was_valid, newfd;
+ struct lock_file *lock_file;
+
+ /*
+ * We can't free this memory, it becomes part of a linked list
+ * parsed atexit()
+ */
+ lock_file = xcalloc(1, sizeof(struct lock_file));
+
+ newfd = hold_locked_index(lock_file, 1);
+
+ entries = read_cache();
+ if (entries < 0)
+ return WRITE_TREE_UNREADABLE_INDEX;
+ if (flags & WRITE_TREE_IGNORE_CACHE_TREE)
+ cache_tree_free(&(active_cache_tree));
+
+ if (!active_cache_tree)
+ active_cache_tree = cache_tree();
+
+ was_valid = cache_tree_fully_valid(active_cache_tree);
+ if (!was_valid) {
+ int missing_ok = flags & WRITE_TREE_MISSING_OK;
+
+ if (cache_tree_update(active_cache_tree,
+ active_cache, active_nr,
+ missing_ok, 0) < 0)
+ return WRITE_TREE_UNMERGED_INDEX;
+ if (0 <= newfd) {
+ if (!write_cache(newfd, active_cache, active_nr) &&
+ !commit_lock_file(lock_file))
+ newfd = -1;
+ }
+ /* Not being able to write is fine -- we are only interested
+ * in updating the cache-tree part, and if the next caller
+ * ends up using the old index with unupdated cache-tree part
+ * it misses the work we did here, but that is just a
+ * performance penalty and not a big deal.
+ */
+ }
+
+ if (prefix) {
+ struct cache_tree *subtree =
+ cache_tree_find(active_cache_tree, prefix);
+ if (!subtree)
+ return WRITE_TREE_PREFIX_ERROR;
+ hashcpy(sha1, subtree->sha1);
+ }
+ else
+ hashcpy(sha1, active_cache_tree->sha1);
+
+ if (0 <= newfd)
+ rollback_lock_file(lock_file);
+
+ return 0;
+}
+
+static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
+{
+ struct tree_desc desc;
+ struct name_entry entry;
+ int cnt;
+
+ hashcpy(it->sha1, tree->object.sha1);
+ init_tree_desc(&desc, tree->buffer, tree->size);
+ cnt = 0;
+ while (tree_entry(&desc, &entry)) {
+ if (!S_ISDIR(entry.mode))
+ cnt++;
+ else {
+ struct cache_tree_sub *sub;
+ struct tree *subtree = lookup_tree(entry.sha1);
+ if (!subtree->object.parsed)
+ parse_tree(subtree);
+ sub = cache_tree_sub(it, entry.path);
+ sub->cache_tree = cache_tree();
+ prime_cache_tree_rec(sub->cache_tree, subtree);
+ cnt += sub->cache_tree->entry_count;
+ }
+ }
+ it->entry_count = cnt;
+}
+
+void prime_cache_tree(struct cache_tree **it, struct tree *tree)
+{
+ cache_tree_free(it);
+ *it = cache_tree();
+ prime_cache_tree_rec(*it, tree);
+}
+
+/*
+ * find the cache_tree that corresponds to the current level without
+ * exploding the full path into textual form. The root of the
+ * cache tree is given as "root", and our current level is "info".
+ * (1) When at root level, info->prev is NULL, so it is "root" itself.
+ * (2) Otherwise, find the cache_tree that corresponds to one level
+ * above us, and find ourselves in there.
+ */
+static struct cache_tree *find_cache_tree_from_traversal(struct cache_tree *root,
+ struct traverse_info *info)
+{
+ struct cache_tree *our_parent;
+
+ if (!info->prev)
+ return root;
+ our_parent = find_cache_tree_from_traversal(root, info->prev);
+ return cache_tree_find(our_parent, info->name.path);
+}
+
+int cache_tree_matches_traversal(struct cache_tree *root,
+ struct name_entry *ent,
+ struct traverse_info *info)
+{
+ struct cache_tree *it;
+
+ it = find_cache_tree_from_traversal(root, info);
+ it = cache_tree_find(it, ent->path);
+ if (it && it->entry_count > 0 && !hashcmp(ent->sha1, it->sha1))
+ return it->entry_count;
+ return 0;
+}