static int locate_in_src_index(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
struct index_state *index = o->src_index;
int len = ce_namelen(ce);
int pos = index_name_pos(index, ce->name, len);
if (pos < 0)
pos = -1 - pos;
return pos;
}
static void fsmonitor_refresh_callback(struct index_state *istate, const char *name)
{
int pos = index_name_pos(istate, name, strlen(name));
if (pos >= 0) {
struct cache_entry *ce = istate->cache[pos];
ce->ce_flags &= ~CE_FSMONITOR_VALID;
}
/*
* Mark the untracked cache dirty even if it wasn't found in the index
* as it could be a new untracked file.
*/
trace_printf_key(&trace_fsmonitor, "fsmonitor_refresh_callback '%s'", name);
untracked_cache_invalidate_path(istate, name, 0);
}
static void add_same_unmerged(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
struct index_state *index = o->src_index;
int len = ce_namelen(ce);
int pos = index_name_pos(index, ce->name, len);
if (0 <= pos)
die("programming error in a caller of mark_ce_used_same_name");
for (pos = -pos - 1; pos < index->cache_nr; pos++) {
struct cache_entry *next = index->cache[pos];
if (len != ce_namelen(next) ||
memcmp(ce->name, next->name, len))
break;
add_entry(o, next, 0, 0);
mark_ce_used(next, o);
}
}
static void *read_skip_worktree_file_from_index(const char *path, size_t *size)
{
int pos, len;
unsigned long sz;
enum object_type type;
void *data;
struct index_state *istate = &the_index;
len = strlen(path);
pos = index_name_pos(istate, path, len);
if (pos < 0)
return NULL;
if (!ce_skip_worktree(istate->cache[pos]))
return NULL;
data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
if (!data || type != OBJ_BLOB) {
free(data);
return NULL;
}
*size = xsize_t(sz);
return data;
}
static int would_lose_untracked(struct index_state *index, const char *path, const char *real_path)
{
int pos = index_name_pos(index, path, strlen(path));
if (pos < 0)
pos = -1 - pos;
while (pos < index->cache_nr &&
!strcmp(path, index->cache[pos]->name)) {
/*
* If stage #0, it is definitely tracked.
* If it has stage #2 then it was tracked
* before this merge started. All other
* cases the path was not tracked.
*/
switch (ce_stage(index->cache[pos])) {
case 0:
case 2:
return 0;
}
pos++;
}
return file_exists(real_path);
}
static void verify_one(struct repository *r,
struct index_state *istate,
struct cache_tree *it,
struct strbuf *path)
{
int i, pos, len = path->len;
struct strbuf tree_buf = STRBUF_INIT;
struct object_id new_oid;
for (i = 0; i < it->subtree_nr; i++) {
strbuf_addf(path, "%s/", it->down[i]->name);
verify_one(r, istate, it->down[i]->cache_tree, path);
strbuf_setlen(path, len);
}
if (it->entry_count < 0 ||
/* no verification on tests (t7003) that replace trees */
lookup_replace_object(r, &it->oid) != &it->oid)
return;
if (path->len) {
pos = index_name_pos(istate, path->buf, path->len);
pos = -pos - 1;
} else {
pos = 0;
}
i = 0;
while (i < it->entry_count) {
struct cache_entry *ce = istate->cache[pos + i];
const char *slash;
struct cache_tree_sub *sub = NULL;
const struct object_id *oid;
const char *name;
unsigned mode;
int entlen;
if (ce->ce_flags & (CE_STAGEMASK | CE_INTENT_TO_ADD | CE_REMOVE))
BUG("%s with flags 0x%x should not be in cache-tree",
ce->name, ce->ce_flags);
name = ce->name + path->len;
slash = strchr(name, '/');
if (slash) {
entlen = slash - name;
sub = find_subtree(it, ce->name + path->len, entlen, 0);
if (!sub || sub->cache_tree->entry_count < 0)
BUG("bad subtree '%.*s'", entlen, name);
oid = &sub->cache_tree->oid;
mode = S_IFDIR;
i += sub->cache_tree->entry_count;
} else {
oid = &ce->oid;
mode = ce->ce_mode;
entlen = ce_namelen(ce) - path->len;
i++;
}
strbuf_addf(&tree_buf, "%o %.*s%c", mode, entlen, name, '\0');
strbuf_add(&tree_buf, oid->hash, the_hash_algo->rawsz);
}
hash_object_file(tree_buf.buf, tree_buf.len, tree_type, &new_oid);
if (!oideq(&new_oid, &it->oid))
BUG("cache-tree for path %.*s does not match. "
"Expected %s got %s", len, path->buf,
oid_to_hex(&new_oid), oid_to_hex(&it->oid));
strbuf_setlen(path, len);
strbuf_release(&tree_buf);
}
static int handle_cache(struct index_state *istate,
const char *path, unsigned char *hash, const char *output)
{
mmfile_t mmfile[3] = {{NULL}};
mmbuffer_t result = {NULL, 0};
const struct cache_entry *ce;
int pos, len, i, has_conflicts;
struct rerere_io_mem io;
int marker_size = ll_merge_marker_size(istate, path);
/*
* Reproduce the conflicted merge in-core
*/
len = strlen(path);
pos = index_name_pos(istate, path, len);
if (0 <= pos)
return -1;
pos = -pos - 1;
while (pos < istate->cache_nr) {
enum object_type type;
unsigned long size;
ce = istate->cache[pos++];
if (ce_namelen(ce) != len || memcmp(ce->name, path, len))
break;
i = ce_stage(ce) - 1;
if (!mmfile[i].ptr) {
mmfile[i].ptr = read_object_file(&ce->oid, &type,
&size);
mmfile[i].size = size;
}
}
for (i = 0; i < 3; i++)
if (!mmfile[i].ptr && !mmfile[i].size)
mmfile[i].ptr = xstrdup("");
/*
* NEEDSWORK: handle conflicts from merges with
* merge.renormalize set, too?
*/
ll_merge(&result, path, &mmfile[0], NULL,
&mmfile[1], "ours",
&mmfile[2], "theirs",
istate, NULL);
for (i = 0; i < 3; i++)
free(mmfile[i].ptr);
memset(&io, 0, sizeof(io));
io.io.getline = rerere_mem_getline;
if (output)
io.io.output = fopen(output, "w");
else
io.io.output = NULL;
strbuf_init(&io.input, 0);
strbuf_attach(&io.input, result.ptr, result.size, result.size);
/*
* Grab the conflict ID and optionally write the original
* contents with conflict markers out.
*/
has_conflicts = handle_path(hash, (struct rerere_io *)&io, marker_size);
strbuf_release(&io.input);
if (io.io.output)
fclose(io.io.output);
return has_conflicts;
}