ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE);
}
-static void add_entry(struct unpack_trees_options *o, struct cache_entry *ce,
- unsigned int set, unsigned int clear)
+static struct cache_entry *dup_entry(const struct cache_entry *ce)
{
unsigned int size = ce_size(ce);
struct cache_entry *new = xmalloc(size);
memcpy(new, ce, size);
- do_add_entry(o, new, set, clear);
+ return new;
+}
+
+static void add_entry(struct unpack_trees_options *o,
+ const struct cache_entry *ce,
+ unsigned int set, unsigned int clear)
+{
+ do_add_entry(o, dup_entry(ce), set, clear);
}
/*
* Unlink the last component and schedule the leading directories for
* removal, such that empty directories get removed.
*/
-static void unlink_entry(struct cache_entry *ce)
+static void unlink_entry(const struct cache_entry *ce)
{
if (!check_leading_path(ce->name, ce_namelen(ce)))
return;
if (o->update && o->verbose_update) {
for (total = cnt = 0; cnt < index->cache_nr; cnt++) {
- struct cache_entry *ce = index->cache[cnt];
+ const struct cache_entry *ce = index->cache[cnt];
if (ce->ce_flags & (CE_UPDATE | CE_WT_REMOVE))
total++;
}
if (o->update)
git_attr_set_direction(GIT_ATTR_CHECKOUT, &o->result);
for (i = 0; i < index->cache_nr; i++) {
- struct cache_entry *ce = index->cache[i];
+ const struct cache_entry *ce = index->cache[i];
if (ce->ce_flags & CE_WT_REMOVE) {
display_progress(progress, ++cnt);
return errs != 0;
}
-static int verify_uptodate_sparse(struct cache_entry *ce, struct unpack_trees_options *o);
-static int verify_absent_sparse(struct cache_entry *ce, enum unpack_trees_error_types, struct unpack_trees_options *o);
+static int verify_uptodate_sparse(const struct cache_entry *ce,
+ struct unpack_trees_options *o);
+static int verify_absent_sparse(const struct cache_entry *ce,
+ enum unpack_trees_error_types,
+ struct unpack_trees_options *o);
static int apply_sparse_checkout(struct cache_entry *ce, struct unpack_trees_options *o)
{
return 0;
}
-static inline int call_unpack_fn(struct cache_entry **src, struct unpack_trees_options *o)
+static inline int call_unpack_fn(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
int ret = o->fn(src, o);
if (ret > 0)
index->cache[i]->ce_flags &= ~(CE_UNPACKED | CE_ADDED | CE_NEW_SKIP_WORKTREE);
}
-static int locate_in_src_index(struct cache_entry *ce,
+static int locate_in_src_index(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
struct index_state *index = o->src_index;
return NULL;
}
-static void add_same_unmerged(struct cache_entry *ce,
+static void add_same_unmerged(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
struct index_state *index = o->src_index;
static int unpack_index_entry(struct cache_entry *ce,
struct unpack_trees_options *o)
{
- struct cache_entry *src[MAX_UNPACK_TREES + 1] = { NULL, };
+ const struct cache_entry *src[MAX_UNPACK_TREES + 1] = { NULL, };
int ret;
src[0] = ce;
newinfo.pathspec = info->pathspec;
newinfo.name = *p;
newinfo.pathlen += tree_entry_len(p) + 1;
- newinfo.conflicts |= df_conflicts;
+ newinfo.df_conflicts |= df_conflicts;
for (i = 0; i < n; i++, dirmask >>= 1) {
const unsigned char *sha1 = NULL;
{
int i;
struct unpack_trees_options *o = info->data;
- unsigned long conflicts;
+ unsigned long conflicts = info->df_conflicts | dirmask;
/* Do we have *only* directories? Nothing to do */
if (mask == dirmask && !src[0])
return 0;
- conflicts = info->conflicts;
- if (o->merge)
- conflicts >>= 1;
- conflicts |= dirmask;
-
/*
* Ok, we've filled in up to any potential index entry in src[0],
* now do the rest.
src[i + o->merge] = create_ce_entry(info, names + i, stage);
}
- if (o->merge)
- return call_unpack_fn(src, o);
+ if (o->merge) {
+ int rc = call_unpack_fn((const struct cache_entry * const *)src,
+ o);
+ for (i = 0; i < n; i++) {
+ struct cache_entry *ce = src[i + o->merge];
+ if (ce != o->df_conflict_entry)
+ free(ce);
+ }
+ return rc;
+ }
for (i = 0; i < n; i++)
if (src[i] && src[i] != o->df_conflict_entry)
int p_len = tree_entry_len(p);
for (pos = o->cache_bottom; pos < index->cache_nr; pos++) {
- struct cache_entry *ce = index->cache[pos];
+ const struct cache_entry *ce = index->cache[pos];
const char *ce_name, *ce_slash;
int cmp, ce_len;
/* Now handle any directories.. */
if (dirmask) {
- unsigned long conflicts = mask & ~dirmask;
- if (o->merge) {
- conflicts <<= 1;
- if (src[0])
- conflicts |= 1;
- }
-
/* special case: "diff-index --cached" looking at a tree */
if (o->diff_index_cached &&
n == 1 && dirmask == 1 && S_ISDIR(names->mode)) {
}
}
- if (traverse_trees_recursive(n, dirmask, conflicts,
+ if (traverse_trees_recursive(n, dirmask, mask & ~dirmask,
names, info) < 0)
return -1;
return mask;
}
static int clear_ce_flags_1(struct cache_entry **cache, int nr,
- char *prefix, int prefix_len,
+ struct strbuf *prefix,
int select_mask, int clear_mask,
struct exclude_list *el, int defval);
/* Whole directory matching */
static int clear_ce_flags_dir(struct cache_entry **cache, int nr,
- char *prefix, int prefix_len,
+ struct strbuf *prefix,
char *basename,
int select_mask, int clear_mask,
struct exclude_list *el, int defval)
{
struct cache_entry **cache_end;
int dtype = DT_DIR;
- int ret = is_excluded_from_list(prefix, prefix_len,
+ int ret = is_excluded_from_list(prefix->buf, prefix->len,
basename, &dtype, el);
+ int rc;
- prefix[prefix_len++] = '/';
+ strbuf_addch(prefix, '/');
/* If undecided, use matching result of parent dir in defval */
if (ret < 0)
for (cache_end = cache; cache_end != cache + nr; cache_end++) {
struct cache_entry *ce = *cache_end;
- if (strncmp(ce->name, prefix, prefix_len))
+ if (strncmp(ce->name, prefix->buf, prefix->len))
break;
}
* calling clear_ce_flags_1(). That function will call
* the expensive is_excluded_from_list() on every entry.
*/
- return clear_ce_flags_1(cache, cache_end - cache,
- prefix, prefix_len,
- select_mask, clear_mask,
- el, ret);
+ rc = clear_ce_flags_1(cache, cache_end - cache,
+ prefix,
+ select_mask, clear_mask,
+ el, ret);
+ strbuf_setlen(prefix, prefix->len - 1);
+ return rc;
}
/*
* Top level path has prefix_len zero.
*/
static int clear_ce_flags_1(struct cache_entry **cache, int nr,
- char *prefix, int prefix_len,
+ struct strbuf *prefix,
int select_mask, int clear_mask,
struct exclude_list *el, int defval)
{
continue;
}
- if (prefix_len && strncmp(ce->name, prefix, prefix_len))
+ if (prefix->len && strncmp(ce->name, prefix->buf, prefix->len))
break;
- name = ce->name + prefix_len;
+ name = ce->name + prefix->len;
slash = strchr(name, '/');
/* If it's a directory, try whole directory match first */
int processed;
len = slash - name;
- memcpy(prefix + prefix_len, name, len);
+ strbuf_add(prefix, name, len);
- /*
- * terminate the string (no trailing slash),
- * clear_c_f_dir needs it
- */
- prefix[prefix_len + len] = '\0';
processed = clear_ce_flags_dir(cache, cache_end - cache,
- prefix, prefix_len + len,
- prefix + prefix_len,
+ prefix,
+ prefix->buf + prefix->len - len,
select_mask, clear_mask,
el, defval);
/* clear_c_f_dir eats a whole dir already? */
if (processed) {
cache += processed;
+ strbuf_setlen(prefix, prefix->len - len);
continue;
}
- prefix[prefix_len + len++] = '/';
+ strbuf_addch(prefix, '/');
cache += clear_ce_flags_1(cache, cache_end - cache,
- prefix, prefix_len + len,
+ prefix,
select_mask, clear_mask, el, defval);
+ strbuf_setlen(prefix, prefix->len - len - 1);
continue;
}
int select_mask, int clear_mask,
struct exclude_list *el)
{
- char prefix[PATH_MAX];
+ static struct strbuf prefix = STRBUF_INIT;
+
+ strbuf_reset(&prefix);
+
return clear_ce_flags_1(cache, nr,
- prefix, 0,
+ &prefix,
select_mask, clear_mask,
el, 0);
}
select_flag, skip_wt_flag, el);
}
-static int verify_absent(struct cache_entry *, enum unpack_trees_error_types, struct unpack_trees_options *);
+static int verify_absent(const struct cache_entry *,
+ enum unpack_trees_error_types,
+ struct unpack_trees_options *);
/*
* N-way merge "len" trees. Returns 0 on success, -1 on failure to manipulate the
* resulting index, -2 on failure to reflect the changes to the work tree.
o->el = ⪙
}
- if (o->dir) {
- o->path_exclude_check = xmalloc(sizeof(struct path_exclude_check));
- path_exclude_check_init(o->path_exclude_check, o->dir);
- }
memset(&o->result, 0, sizeof(o->result));
o->result.initialized = 1;
o->result.timestamp.sec = o->src_index->timestamp.sec;
o->src_index = NULL;
ret = check_updates(o) ? (-2) : 0;
- if (o->dst_index)
+ if (o->dst_index) {
+ discard_index(o->dst_index);
*o->dst_index = o->result;
+ }
done:
clear_exclude_list(&el);
- if (o->path_exclude_check) {
- path_exclude_check_clear(o->path_exclude_check);
- free(o->path_exclude_check);
- }
return ret;
return_failed:
/* Here come the merge functions */
-static int reject_merge(struct cache_entry *ce, struct unpack_trees_options *o)
+static int reject_merge(const struct cache_entry *ce,
+ struct unpack_trees_options *o)
{
return add_rejected_path(o, ERROR_WOULD_OVERWRITE, ce->name);
}
-static int same(struct cache_entry *a, struct cache_entry *b)
+static int same(const struct cache_entry *a, const struct cache_entry *b)
{
if (!!a != !!b)
return 0;
* When a CE gets turned into an unmerged entry, we
* want it to be up-to-date
*/
-static int verify_uptodate_1(struct cache_entry *ce,
- struct unpack_trees_options *o,
- enum unpack_trees_error_types error_type)
+static int verify_uptodate_1(const struct cache_entry *ce,
+ struct unpack_trees_options *o,
+ enum unpack_trees_error_types error_type)
{
struct stat st;
add_rejected_path(o, error_type, ce->name);
}
-static int verify_uptodate(struct cache_entry *ce,
+static int verify_uptodate(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
if (!o->skip_sparse_checkout && (ce->ce_flags & CE_NEW_SKIP_WORKTREE))
return verify_uptodate_1(ce, o, ERROR_NOT_UPTODATE_FILE);
}
-static int verify_uptodate_sparse(struct cache_entry *ce,
+static int verify_uptodate_sparse(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
return verify_uptodate_1(ce, o, ERROR_SPARSE_NOT_UPTODATE_FILE);
}
-static void invalidate_ce_path(struct cache_entry *ce, struct unpack_trees_options *o)
+static void invalidate_ce_path(const struct cache_entry *ce,
+ struct unpack_trees_options *o)
{
if (ce)
cache_tree_invalidate_path(o->src_index->cache_tree, ce->name);
* Currently, git does not checkout subprojects during a superproject
* checkout, so it is not going to overwrite anything.
*/
-static int verify_clean_submodule(struct cache_entry *ce,
- enum unpack_trees_error_types error_type,
- struct unpack_trees_options *o)
+static int verify_clean_submodule(const struct cache_entry *ce,
+ enum unpack_trees_error_types error_type,
+ struct unpack_trees_options *o)
{
return 0;
}
-static int verify_clean_subdirectory(struct cache_entry *ce,
- enum unpack_trees_error_types error_type,
- struct unpack_trees_options *o)
+static int verify_clean_subdirectory(const struct cache_entry *ce,
+ enum unpack_trees_error_types error_type,
+ struct unpack_trees_options *o)
{
/*
* we are about to extract "ce->name"; we would not want to lose
*/
static int icase_exists(struct unpack_trees_options *o, const char *name, int len, struct stat *st)
{
- struct cache_entry *src;
+ const struct cache_entry *src;
- src = index_name_exists(o->src_index, name, len, 1);
+ src = index_file_exists(o->src_index, name, len, 1);
return src && !ie_match_stat(o->src_index, src, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
}
static int check_ok_to_remove(const char *name, int len, int dtype,
- struct cache_entry *ce, struct stat *st,
+ const struct cache_entry *ce, struct stat *st,
enum unpack_trees_error_types error_type,
struct unpack_trees_options *o)
{
- struct cache_entry *result;
+ const struct cache_entry *result;
/*
* It may be that the 'lstat()' succeeded even though
return 0;
if (o->dir &&
- is_path_excluded(o->path_exclude_check, name, -1, &dtype))
+ is_excluded(o->dir, name, &dtype))
/*
* ce->name is explicitly excluded, so it is Ok to
* overwrite it.
* delete this path, which is in a subdirectory that
* is being replaced with a blob.
*/
- result = index_name_exists(&o->result, name, len, 0);
+ result = index_file_exists(&o->result, name, len, 0);
if (result) {
if (result->ce_flags & CE_REMOVE)
return 0;
* We do not want to remove or overwrite a working tree file that
* is not tracked, unless it is ignored.
*/
-static int verify_absent_1(struct cache_entry *ce,
- enum unpack_trees_error_types error_type,
- struct unpack_trees_options *o)
+static int verify_absent_1(const struct cache_entry *ce,
+ enum unpack_trees_error_types error_type,
+ struct unpack_trees_options *o)
{
int len;
struct stat st;
}
}
-static int verify_absent(struct cache_entry *ce,
+static int verify_absent(const struct cache_entry *ce,
enum unpack_trees_error_types error_type,
struct unpack_trees_options *o)
{
return verify_absent_1(ce, error_type, o);
}
-static int verify_absent_sparse(struct cache_entry *ce,
- enum unpack_trees_error_types error_type,
- struct unpack_trees_options *o)
+static int verify_absent_sparse(const struct cache_entry *ce,
+ enum unpack_trees_error_types error_type,
+ struct unpack_trees_options *o)
{
enum unpack_trees_error_types orphaned_error = error_type;
if (orphaned_error == ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN)
return verify_absent_1(ce, orphaned_error, o);
}
-static int merged_entry(struct cache_entry *merge, struct cache_entry *old,
- struct unpack_trees_options *o)
+static int merged_entry(const struct cache_entry *ce,
+ const struct cache_entry *old,
+ struct unpack_trees_options *o)
{
int update = CE_UPDATE;
+ struct cache_entry *merge = dup_entry(ce);
if (!old) {
/*
update |= CE_ADDED;
merge->ce_flags |= CE_NEW_SKIP_WORKTREE;
- if (verify_absent(merge, ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN, o))
+ if (verify_absent(merge,
+ ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN, o)) {
+ free(merge);
return -1;
+ }
invalidate_ce_path(merge, o);
} else if (!(old->ce_flags & CE_CONFLICTED)) {
/*
copy_cache_entry(merge, old);
update = 0;
} else {
- if (verify_uptodate(old, o))
+ if (verify_uptodate(old, o)) {
+ free(merge);
return -1;
+ }
/* Migrate old flags over */
update |= old->ce_flags & (CE_SKIP_WORKTREE | CE_NEW_SKIP_WORKTREE);
invalidate_ce_path(old, o);
invalidate_ce_path(old, o);
}
- add_entry(o, merge, update, CE_STAGEMASK);
+ do_add_entry(o, merge, update, CE_STAGEMASK);
return 1;
}
-static int deleted_entry(struct cache_entry *ce, struct cache_entry *old,
- struct unpack_trees_options *o)
+static int deleted_entry(const struct cache_entry *ce,
+ const struct cache_entry *old,
+ struct unpack_trees_options *o)
{
/* Did it exist in the index? */
if (!old) {
return 1;
}
-static int keep_entry(struct cache_entry *ce, struct unpack_trees_options *o)
+static int keep_entry(const struct cache_entry *ce,
+ struct unpack_trees_options *o)
{
add_entry(o, ce, 0, 0);
return 1;
}
#endif
-int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o)
+int threeway_merge(const struct cache_entry * const *stages,
+ struct unpack_trees_options *o)
{
- struct cache_entry *index;
- struct cache_entry *head;
- struct cache_entry *remote = stages[o->head_idx + 1];
+ const struct cache_entry *index;
+ const struct cache_entry *head;
+ const struct cache_entry *remote = stages[o->head_idx + 1];
int count;
int head_match = 0;
int remote_match = 0;
if (o->aggressive) {
int head_deleted = !head;
int remote_deleted = !remote;
- struct cache_entry *ce = NULL;
+ const struct cache_entry *ce = NULL;
if (index)
ce = index;
* "carry forward" rule, please see <Documentation/git-read-tree.txt>.
*
*/
-int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o)
+int twoway_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
- struct cache_entry *current = src[0];
- struct cache_entry *oldtree = src[1];
- struct cache_entry *newtree = src[2];
+ const struct cache_entry *current = src[0];
+ const struct cache_entry *oldtree = src[1];
+ const struct cache_entry *newtree = src[2];
if (o->merge_size != 2)
return error("Cannot do a twoway merge of %d trees",
newtree = NULL;
if (current) {
- if ((!oldtree && !newtree) || /* 4 and 5 */
- (!oldtree && newtree &&
- same(current, newtree)) || /* 6 and 7 */
- (oldtree && newtree &&
- same(oldtree, newtree)) || /* 14 and 15 */
- (oldtree && newtree &&
- !same(oldtree, newtree) && /* 18 and 19 */
- same(current, newtree))) {
+ if (current->ce_flags & CE_CONFLICTED) {
+ if (same(oldtree, newtree) || o->reset) {
+ if (!newtree)
+ return deleted_entry(current, current, o);
+ else
+ return merged_entry(newtree, current, o);
+ }
+ return o->gently ? -1 : reject_merge(current, o);
+ }
+ else if ((!oldtree && !newtree) || /* 4 and 5 */
+ (!oldtree && newtree &&
+ same(current, newtree)) || /* 6 and 7 */
+ (oldtree && newtree &&
+ same(oldtree, newtree)) || /* 14 and 15 */
+ (oldtree && newtree &&
+ !same(oldtree, newtree) && /* 18 and 19 */
+ same(current, newtree))) {
return keep_entry(current, o);
}
else if (oldtree && !newtree && same(current, oldtree)) {
* Keep the index entries at stage0, collapse stage1 but make sure
* stage0 does not have anything there.
*/
-int bind_merge(struct cache_entry **src,
- struct unpack_trees_options *o)
+int bind_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
- struct cache_entry *old = src[0];
- struct cache_entry *a = src[1];
+ const struct cache_entry *old = src[0];
+ const struct cache_entry *a = src[1];
if (o->merge_size != 1)
return error("Cannot do a bind merge of %d trees",
* The rule is:
* - take the stat information from stage0, take the data from stage1
*/
-int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o)
+int oneway_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
- struct cache_entry *old = src[0];
- struct cache_entry *a = src[1];
+ const struct cache_entry *old = src[0];
+ const struct cache_entry *a = src[1];
if (o->merge_size != 1)
return error("Cannot do a oneway merge of %d trees",