return -1;
}
-static struct tree *shift_tree_object(struct tree *one, struct tree *two,
+static struct tree *shift_tree_object(struct repository *repo,
+ struct tree *one, struct tree *two,
const char *subtree_shift)
{
struct object_id shifted;
}
if (oideq(&two->object.oid, &shifted))
return two;
- return lookup_tree(the_repository, &shifted);
+ return lookup_tree(repo, &shifted);
}
-static struct commit *make_virtual_commit(struct tree *tree, const char *comment)
+static struct commit *make_virtual_commit(struct repository *repo,
+ struct tree *tree,
+ const char *comment)
{
- struct commit *commit = alloc_commit_node(the_repository);
+ struct commit *commit = alloc_commit_node(repo);
set_merge_remote_desc(commit, comment, (struct object *)commit);
commit->maybe_tree = tree;
enum rename_type {
RENAME_NORMAL = 0,
RENAME_VIA_DIR,
+ RENAME_ADD,
RENAME_DELETE,
RENAME_ONE_FILE_TO_ONE,
RENAME_ONE_FILE_TO_TWO,
struct stage_data *src_entry1,
struct stage_data *src_entry2)
{
+ int ostage1 = 0, ostage2;
struct rename_conflict_info *ci;
/*
dst_entry2->rename_conflict_info = ci;
}
- if (rename_type == RENAME_TWO_FILES_TO_ONE) {
- /*
- * For each rename, there could have been
- * modifications on the side of history where that
- * file was not renamed.
- */
- int ostage1 = o->branch1 == branch1 ? 3 : 2;
- int ostage2 = ostage1 ^ 1;
+ /*
+ * For each rename, there could have been
+ * modifications on the side of history where that
+ * file was not renamed.
+ */
+ if (rename_type == RENAME_ADD ||
+ rename_type == RENAME_TWO_FILES_TO_ONE) {
+ ostage1 = o->branch1 == branch1 ? 3 : 2;
ci->ren1_other.path = pair1->one->path;
oidcpy(&ci->ren1_other.oid, &src_entry1->stages[ostage1].oid);
ci->ren1_other.mode = src_entry1->stages[ostage1].mode;
+ }
+
+ if (rename_type == RENAME_TWO_FILES_TO_ONE) {
+ ostage2 = ostage1 ^ 1;
ci->ren2_other.path = pair2->one->path;
oidcpy(&ci->ren2_other.oid, &src_entry2->stages[ostage2].oid);
unsigned int mode, const struct object_id *oid,
const char *path, int stage, int refresh, int options)
{
+ struct index_state *istate = o->repo->index;
struct cache_entry *ce;
int ret;
- ce = make_cache_entry(&the_index, mode, oid ? oid : &null_oid, path, stage, 0);
+ ce = make_cache_entry(istate, mode, oid ? oid : &null_oid, path, stage, 0);
if (!ce)
return err(o, _("add_cacheinfo failed for path '%s'; merge aborting."), path);
- ret = add_cache_entry(ce, options);
+ ret = add_index_entry(istate, ce, options);
if (refresh) {
struct cache_entry *nce;
- nce = refresh_cache_entry(&the_index, ce, CE_MATCH_REFRESH | CE_MATCH_IGNORE_MISSING);
+ nce = refresh_cache_entry(istate, ce,
+ CE_MATCH_REFRESH | CE_MATCH_IGNORE_MISSING);
if (!nce)
return err(o, _("add_cacheinfo failed to refresh for path '%s'; merge aborting."), path);
if (nce != ce)
- ret = add_cache_entry(nce, options);
+ ret = add_index_entry(istate, nce, options);
}
return ret;
}
o->unpack_opts.merge = 1;
o->unpack_opts.head_idx = 2;
o->unpack_opts.fn = threeway_merge;
- o->unpack_opts.src_index = &the_index;
+ o->unpack_opts.src_index = o->repo->index;
o->unpack_opts.dst_index = &tmp_index;
o->unpack_opts.aggressive = !merge_detect_rename(o);
setup_unpack_trees_porcelain(&o->unpack_opts, "merge");
init_tree_desc_from_tree(t+2, merge);
rc = unpack_trees(3, t, &o->unpack_opts);
- cache_tree_free(&active_cache_tree);
+ cache_tree_free(&o->repo->index->cache_tree);
/*
- * Update the_index to match the new results, AFTER saving a copy
+ * Update o->repo->index to match the new results, AFTER saving a copy
* in o->orig_index. Update src_index to point to the saved copy.
* (verify_uptodate() checks src_index, and the original index is
* the one that had the necessary modification timestamps.)
*/
- o->orig_index = the_index;
- the_index = tmp_index;
+ o->orig_index = *o->repo->index;
+ *o->repo->index = tmp_index;
o->unpack_opts.src_index = &o->orig_index;
return rc;
struct tree *write_tree_from_memory(struct merge_options *o)
{
struct tree *result = NULL;
+ struct index_state *istate = o->repo->index;
- if (unmerged_cache()) {
+ if (unmerged_index(istate)) {
int i;
fprintf(stderr, "BUG: There are unmerged index entries:\n");
- for (i = 0; i < active_nr; i++) {
- const struct cache_entry *ce = active_cache[i];
+ for (i = 0; i < istate->cache_nr; i++) {
+ const struct cache_entry *ce = istate->cache[i];
if (ce_stage(ce))
fprintf(stderr, "BUG: %d %.*s\n", ce_stage(ce),
(int)ce_namelen(ce), ce->name);
BUG("unmerged index entries in merge-recursive.c");
}
- if (!active_cache_tree)
- active_cache_tree = cache_tree();
+ if (!istate->cache_tree)
+ istate->cache_tree = cache_tree();
- if (!cache_tree_fully_valid(active_cache_tree) &&
- cache_tree_update(&the_index, 0) < 0) {
+ if (!cache_tree_fully_valid(istate->cache_tree) &&
+ cache_tree_update(istate, 0) < 0) {
err(o, _("error building trees"));
return NULL;
}
- result = lookup_tree(the_repository, &active_cache_tree->oid);
+ result = lookup_tree(o->repo, &istate->cache_tree->oid);
return result;
}
{
struct pathspec match_all;
memset(&match_all, 0, sizeof(match_all));
- read_tree_recursive(tree, "", 0, 0, &match_all, save_files_dirs, o);
+ read_tree_recursive(the_repository, tree, "", 0, 0,
+ &match_all, save_files_dirs, o);
}
static int get_tree_entry_if_blob(const struct object_id *tree,
* Create a dictionary mapping file names to stage_data objects. The
* dictionary contains one entry for every path with a non-zero stage entry.
*/
-static struct string_list *get_unmerged(void)
+static struct string_list *get_unmerged(struct index_state *istate)
{
struct string_list *unmerged = xcalloc(1, sizeof(struct string_list));
int i;
unmerged->strdup_strings = 1;
- for (i = 0; i < active_nr; i++) {
+ for (i = 0; i < istate->cache_nr; i++) {
struct string_list_item *item;
struct stage_data *e;
- const struct cache_entry *ce = active_cache[i];
+ const struct cache_entry *ce = istate->cache[i];
if (!ce_stage(ce))
continue;
int clear = 1;
int options = ADD_CACHE_OK_TO_ADD | ADD_CACHE_SKIP_DFCHECK;
if (clear)
- if (remove_file_from_cache(path))
+ if (remove_file_from_index(opt->repo->index, path))
return -1;
if (o)
if (add_cacheinfo(opt, o->mode, &o->oid, path, 1, 0, options))
return 0;
}
-static int update_stages_for_stage_data(struct merge_options *opt,
- const char *path,
- const struct stage_data *stage_data)
-{
- struct diff_filespec o, a, b;
-
- o.mode = stage_data->stages[1].mode;
- oidcpy(&o.oid, &stage_data->stages[1].oid);
-
- a.mode = stage_data->stages[2].mode;
- oidcpy(&a.oid, &stage_data->stages[2].oid);
-
- b.mode = stage_data->stages[3].mode;
- oidcpy(&b.oid, &stage_data->stages[3].oid);
-
- return update_stages(opt, path,
- is_null_oid(&o.oid) ? NULL : &o,
- is_null_oid(&a.oid) ? NULL : &a,
- is_null_oid(&b.oid) ? NULL : &b);
-}
-
static void update_entry(struct stage_data *entry,
struct diff_filespec *o,
struct diff_filespec *a,
int update_working_directory = !o->call_depth && !no_wd;
if (update_cache) {
- if (remove_file_from_cache(path))
+ if (remove_file_from_index(o->repo->index, path))
return -1;
}
if (update_working_directory) {
if (ignore_case) {
struct cache_entry *ce;
- ce = cache_file_exists(path, strlen(path), ignore_case);
+ ce = index_file_exists(o->repo->index, path, strlen(path),
+ ignore_case);
if (ce && ce_stage(ce) == 0 && strcmp(path, ce->name))
return 0;
}
* check the working directory. If empty_ok is non-zero, also return
* 0 in the case where the working-tree dir exists but is empty.
*/
-static int dir_in_way(const char *path, int check_working_copy, int empty_ok)
+static int dir_in_way(struct index_state *istate, const char *path,
+ int check_working_copy, int empty_ok)
{
int pos;
struct strbuf dirpath = STRBUF_INIT;
strbuf_addstr(&dirpath, path);
strbuf_addch(&dirpath, '/');
- pos = cache_name_pos(dirpath.buf, dirpath.len);
+ pos = index_name_pos(istate, dirpath.buf, dirpath.len);
if (pos < 0)
pos = -1 - pos;
- if (pos < active_nr &&
- !strncmp(dirpath.buf, active_cache[pos]->name, dirpath.len)) {
+ if (pos < istate->cache_nr &&
+ !strncmp(dirpath.buf, istate->cache[pos]->name, dirpath.len)) {
strbuf_release(&dirpath);
return 1;
}
return 0;
}
-static int would_lose_untracked(const char *path)
+static int would_lose_untracked(struct merge_options *o, const char *path)
{
+ struct index_state *istate = o->repo->index;
+
/*
* This may look like it can be simplified to:
* return !was_tracked(o, path) && file_exists(path)
* update_file()/would_lose_untracked(); see every comment in this
* file which mentions "update_stages".
*/
- int pos = cache_name_pos(path, strlen(path));
+ int pos = index_name_pos(istate, path, strlen(path));
if (pos < 0)
pos = -1 - pos;
- while (pos < active_nr &&
- !strcmp(path, active_cache[pos]->name)) {
+ while (pos < istate->cache_nr &&
+ !strcmp(path, istate->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(active_cache[pos])) {
+ switch (ce_stage(istate->cache[pos])) {
case 0:
case 2:
return 0;
* Do not unlink a file in the work tree if we are not
* tracking it.
*/
- if (would_lose_untracked(path))
+ if (would_lose_untracked(o, path))
return err(o, _("refusing to lose untracked file at '%s'"),
path);
}
if (S_ISREG(mode)) {
struct strbuf strbuf = STRBUF_INIT;
- if (convert_to_working_tree(&the_index, path, buf, size, &strbuf)) {
+ if (convert_to_working_tree(o->repo->index, path, buf, size, &strbuf)) {
free(buf);
size = strbuf.len;
buf = strbuf_detach(&strbuf, NULL);
const struct diff_filespec *a,
const struct diff_filespec *b,
const char *branch1,
- const char *branch2)
+ const char *branch2,
+ const int extra_marker_size)
{
mmfile_t orig, src1, src2;
struct ll_merge_options ll_opts = {0};
int merge_status;
ll_opts.renormalize = o->renormalize;
+ ll_opts.extra_marker_size = extra_marker_size;
ll_opts.xdl_opts = o->xdl_opts;
if (o->call_depth) {
merge_status = ll_merge(result_buf, a->path, &orig, base_name,
&src1, name1, &src2, name2,
- &the_index, &ll_opts);
+ o->repo->index, &ll_opts);
free(base_name);
free(name1);
return merge_status;
}
-static int find_first_merges(struct object_array *result, const char *path,
+static int find_first_merges(struct repository *repo,
+ struct object_array *result, const char *path,
struct commit *a, struct commit *b)
{
int i, j;
/* get all revisions that merge commit a */
xsnprintf(merged_revision, sizeof(merged_revision), "^%s",
oid_to_hex(&a->object.oid));
- repo_init_revisions(the_repository, &revs, NULL);
+ repo_init_revisions(repo, &revs, NULL);
rev_opts.submodule = path;
/* FIXME: can't handle linked worktrees in submodules yet */
revs.single_worktree = path != NULL;
return 0;
}
- if (!(commit_base = lookup_commit_reference(the_repository, base)) ||
- !(commit_a = lookup_commit_reference(the_repository, a)) ||
- !(commit_b = lookup_commit_reference(the_repository, b))) {
+ if (!(commit_base = lookup_commit_reference(o->repo, base)) ||
+ !(commit_a = lookup_commit_reference(o->repo, a)) ||
+ !(commit_b = lookup_commit_reference(o->repo, b))) {
output(o, 1, _("Failed to merge submodule %s (commits not present)"), path);
return 0;
}
return 0;
/* find commit which merges them */
- parent_count = find_first_merges(&merges, path, commit_a, commit_b);
+ parent_count = find_first_merges(o->repo, &merges, path,
+ commit_a, commit_b);
switch (parent_count) {
case 0:
output(o, 1, _("Failed to merge submodule %s (merge following commits not found)"), path);
const char *filename,
const char *branch1,
const char *branch2,
+ const int extra_marker_size,
struct merge_file_info *result)
{
if (o->branch1 != branch1) {
*/
return merge_mode_and_contents(o, one, b, a,
filename,
- branch2, branch1, result);
+ branch2, branch1,
+ extra_marker_size, result);
}
result->merge = 0;
int ret = 0, merge_status;
merge_status = merge_3way(o, &result_buf, one, a, b,
- branch1, branch2);
+ branch1, branch2,
+ extra_marker_size);
if ((merge_status < 0) || !result_buf.ptr)
ret = err(o, _("Failed to execute internal merge"));
static int handle_rename_via_dir(struct merge_options *o,
struct diff_filepair *pair,
- const char *rename_branch,
- const char *other_branch)
+ const char *rename_branch)
{
/*
* Handle file adds that need to be renamed due to directory rename
*/
const struct diff_filespec *dest = pair->two;
- if (!o->call_depth && would_lose_untracked(dest->path)) {
+ if (!o->call_depth && would_lose_untracked(o, dest->path)) {
char *alt_path = unique_path(o, dest->path, rename_branch);
output(o, 1, _("Error: Refusing to lose untracked file at %s; "
const char *update_path = path;
int ret = 0;
- if (dir_in_way(path, !o->call_depth, 0) ||
- (!o->call_depth && would_lose_untracked(path))) {
+ if (dir_in_way(o->repo->index, path, !o->call_depth, 0) ||
+ (!o->call_depth && would_lose_untracked(o, path))) {
update_path = alt_path = unique_path(o, path, change_branch);
}
* correct; since there is no true "middle point" between
* them, simply reuse the base version for virtual merge base.
*/
- ret = remove_file_from_cache(path);
+ ret = remove_file_from_index(o->repo->index, path);
if (!ret)
ret = update_file(o, 0, o_oid, o_mode, update_path);
} else {
return -1;
if (o->call_depth)
- return remove_file_from_cache(dest->path);
+ return remove_file_from_index(o->repo->index, dest->path);
else
return update_stages(o, dest->path, NULL,
rename_branch == o->branch1 ? dest : NULL,
return target;
}
-static int handle_file(struct merge_options *o,
- struct diff_filespec *rename,
- int stage,
- struct rename_conflict_info *ci)
+static int handle_file_collision(struct merge_options *o,
+ const char *collide_path,
+ const char *prev_path1,
+ const char *prev_path2,
+ const char *branch1, const char *branch2,
+ const struct object_id *a_oid,
+ unsigned int a_mode,
+ const struct object_id *b_oid,
+ unsigned int b_mode)
{
- char *dst_name = rename->path;
- struct stage_data *dst_entry;
- const char *cur_branch, *other_branch;
- struct diff_filespec other;
- struct diff_filespec *add;
- int ret;
+ struct merge_file_info mfi;
+ struct diff_filespec null, a, b;
+ char *alt_path = NULL;
+ const char *update_path = collide_path;
- if (stage == 2) {
- dst_entry = ci->dst_entry1;
- cur_branch = ci->branch1;
- other_branch = ci->branch2;
- } else {
- dst_entry = ci->dst_entry2;
- cur_branch = ci->branch2;
- other_branch = ci->branch1;
+ /*
+ * It's easiest to get the correct things into stage 2 and 3, and
+ * to make sure that the content merge puts HEAD before the other
+ * branch if we just ensure that branch1 == o->branch1. So, simply
+ * flip arguments around if we don't have that.
+ */
+ if (branch1 != o->branch1) {
+ return handle_file_collision(o, collide_path,
+ prev_path2, prev_path1,
+ branch2, branch1,
+ b_oid, b_mode,
+ a_oid, a_mode);
}
- add = filespec_from_entry(&other, dst_entry, stage ^ 1);
- if (add) {
- int ren_src_was_dirty = was_dirty(o, rename->path);
- char *add_name = unique_path(o, rename->path, other_branch);
- if (update_file(o, 0, &add->oid, add->mode, add_name))
- return -1;
+ /*
+ * In the recursive case, we just opt to undo renames
+ */
+ if (o->call_depth && (prev_path1 || prev_path2)) {
+ /* Put first file (a_oid, a_mode) in its original spot */
+ if (prev_path1) {
+ if (update_file(o, 1, a_oid, a_mode, prev_path1))
+ return -1;
+ } else {
+ if (update_file(o, 1, a_oid, a_mode, collide_path))
+ return -1;
+ }
- if (ren_src_was_dirty) {
- output(o, 1, _("Refusing to lose dirty file at %s"),
- rename->path);
+ /* Put second file (b_oid, b_mode) in its original spot */
+ if (prev_path2) {
+ if (update_file(o, 1, b_oid, b_mode, prev_path2))
+ return -1;
+ } else {
+ if (update_file(o, 1, b_oid, b_mode, collide_path))
+ return -1;
}
+
+ /* Don't leave something at collision path if unrenaming both */
+ if (prev_path1 && prev_path2)
+ remove_file(o, 1, collide_path, 0);
+
+ return 0;
+ }
+
+ /* Remove rename sources if rename/add or rename/rename(2to1) */
+ if (prev_path1)
+ remove_file(o, 1, prev_path1,
+ o->call_depth || would_lose_untracked(o, prev_path1));
+ if (prev_path2)
+ remove_file(o, 1, prev_path2,
+ o->call_depth || would_lose_untracked(o, prev_path2));
+
+ /*
+ * Remove the collision path, if it wouldn't cause dirty contents
+ * or an untracked file to get lost. We'll either overwrite with
+ * merged contents, or just write out to differently named files.
+ */
+ if (was_dirty(o, collide_path)) {
+ output(o, 1, _("Refusing to lose dirty file at %s"),
+ collide_path);
+ update_path = alt_path = unique_path(o, collide_path, "merged");
+ } else if (would_lose_untracked(o, collide_path)) {
/*
- * Because the double negatives somehow keep confusing me...
- * 1) update_wd iff !ren_src_was_dirty.
- * 2) no_wd iff !update_wd
- * 3) so, no_wd == !!ren_src_was_dirty == ren_src_was_dirty
+ * Only way we get here is if both renames were from
+ * a directory rename AND user had an untracked file
+ * at the location where both files end up after the
+ * two directory renames. See testcase 10d of t6043.
*/
- remove_file(o, 0, rename->path, ren_src_was_dirty);
- dst_name = unique_path(o, rename->path, cur_branch);
+ output(o, 1, _("Refusing to lose untracked file at "
+ "%s, even though it's in the way."),
+ collide_path);
+ update_path = alt_path = unique_path(o, collide_path, "merged");
} else {
- if (dir_in_way(rename->path, !o->call_depth, 0)) {
- dst_name = unique_path(o, rename->path, cur_branch);
- output(o, 1, _("%s is a directory in %s adding as %s instead"),
- rename->path, other_branch, dst_name);
- } else if (!o->call_depth &&
- would_lose_untracked(rename->path)) {
- dst_name = unique_path(o, rename->path, cur_branch);
- output(o, 1, _("Refusing to lose untracked file at %s; "
- "adding as %s instead"),
- rename->path, dst_name);
- }
+ /*
+ * FIXME: It's possible that the two files are identical
+ * and that the current working copy happens to match, in
+ * which case we are unnecessarily touching the working
+ * tree file. It's not a likely enough scenario that I
+ * want to code up the checks for it and a better fix is
+ * available if we restructure how unpack_trees() and
+ * merge-recursive interoperate anyway, so punting for
+ * now...
+ */
+ remove_file(o, 0, collide_path, 0);
}
- if ((ret = update_file(o, 0, &rename->oid, rename->mode, dst_name)))
- ; /* fall through, do allow dst_name to be released */
- else if (stage == 2)
- ret = update_stages(o, rename->path, NULL, rename, add);
- else
- ret = update_stages(o, rename->path, NULL, add, rename);
- if (dst_name != rename->path)
- free(dst_name);
+ /* Store things in diff_filespecs for functions that need it */
+ memset(&a, 0, sizeof(struct diff_filespec));
+ memset(&b, 0, sizeof(struct diff_filespec));
+ null.path = a.path = b.path = (char *)collide_path;
+ oidcpy(&null.oid, &null_oid);
+ null.mode = 0;
+ oidcpy(&a.oid, a_oid);
+ a.mode = a_mode;
+ a.oid_valid = 1;
+ oidcpy(&b.oid, b_oid);
+ b.mode = b_mode;
+ b.oid_valid = 1;
- return ret;
+ if (merge_mode_and_contents(o, &null, &a, &b, collide_path,
+ branch1, branch2, o->call_depth * 2, &mfi))
+ return -1;
+ mfi.clean &= !alt_path;
+ if (update_file(o, mfi.clean, &mfi.oid, mfi.mode, update_path))
+ return -1;
+ if (!mfi.clean && !o->call_depth &&
+ update_stages(o, collide_path, NULL, &a, &b))
+ return -1;
+ free(alt_path);
+ /*
+ * FIXME: If both a & b both started with conflicts (only possible
+ * if they came from a rename/rename(2to1)), but had IDENTICAL
+ * contents including those conflicts, then in the next line we claim
+ * it was clean. If someone cares about this case, we should have the
+ * caller notify us if we started with conflicts.
+ */
+ return mfi.clean;
+}
+
+static int handle_rename_add(struct merge_options *o,
+ struct rename_conflict_info *ci)
+{
+ /* a was renamed to c, and a separate c was added. */
+ struct diff_filespec *a = ci->pair1->one;
+ struct diff_filespec *c = ci->pair1->two;
+ char *path = c->path;
+ char *prev_path_desc;
+ struct merge_file_info mfi;
+
+ int other_stage = (ci->branch1 == o->branch1 ? 3 : 2);
+
+ output(o, 1, _("CONFLICT (rename/add): "
+ "Rename %s->%s in %s. Added %s in %s"),
+ a->path, c->path, ci->branch1,
+ c->path, ci->branch2);
+
+ prev_path_desc = xstrfmt("version of %s from %s", path, a->path);
+ if (merge_mode_and_contents(o, a, c, &ci->ren1_other, prev_path_desc,
+ o->branch1, o->branch2,
+ 1 + o->call_depth * 2, &mfi))
+ return -1;
+ free(prev_path_desc);
+
+ return handle_file_collision(o,
+ c->path, a->path, NULL,
+ ci->branch1, ci->branch2,
+ &mfi.oid, mfi.mode,
+ &ci->dst_entry1->stages[other_stage].oid,
+ ci->dst_entry1->stages[other_stage].mode);
+}
+
+static char *find_path_for_conflict(struct merge_options *o,
+ const char *path,
+ const char *branch1,
+ const char *branch2)
+{
+ char *new_path = NULL;
+ if (dir_in_way(o->repo->index, path, !o->call_depth, 0)) {
+ new_path = unique_path(o, path, branch1);
+ output(o, 1, _("%s is a directory in %s adding "
+ "as %s instead"),
+ path, branch2, new_path);
+ } else if (would_lose_untracked(o, path)) {
+ new_path = unique_path(o, path, branch1);
+ output(o, 1, _("Refusing to lose untracked file"
+ " at %s; adding as %s instead"),
+ path, new_path);
+ }
+
+ return new_path;
}
static int handle_rename_rename_1to2(struct merge_options *o,
struct rename_conflict_info *ci)
{
/* One file was renamed in both branches, but to different names. */
+ struct merge_file_info mfi;
+ struct diff_filespec other;
+ struct diff_filespec *add;
struct diff_filespec *one = ci->pair1->one;
struct diff_filespec *a = ci->pair1->two;
struct diff_filespec *b = ci->pair2->two;
+ char *path_desc;
output(o, 1, _("CONFLICT (rename/rename): "
"Rename \"%s\"->\"%s\" in branch \"%s\" "
one->path, a->path, ci->branch1,
one->path, b->path, ci->branch2,
o->call_depth ? _(" (left unresolved)") : "");
- if (o->call_depth) {
- struct merge_file_info mfi;
- struct diff_filespec other;
- struct diff_filespec *add;
- if (merge_mode_and_contents(o, one, a, b, one->path,
- ci->branch1, ci->branch2, &mfi))
- return -1;
+ path_desc = xstrfmt("%s and %s, both renamed from %s",
+ a->path, b->path, one->path);
+ if (merge_mode_and_contents(o, one, a, b, path_desc,
+ ci->branch1, ci->branch2,
+ o->call_depth * 2, &mfi))
+ return -1;
+ free(path_desc);
+
+ if (o->call_depth) {
/*
* FIXME: For rename/add-source conflicts (if we could detect
* such), this is wrong. We should instead find a unique
return -1;
}
else
- remove_file_from_cache(a->path);
+ remove_file_from_index(o->repo->index, a->path);
add = filespec_from_entry(&other, ci->dst_entry2, 3 ^ 1);
if (add) {
if (update_file(o, 0, &add->oid, add->mode, b->path))
return -1;
}
else
- remove_file_from_cache(b->path);
- } else if (handle_file(o, a, 2, ci) || handle_file(o, b, 3, ci))
- return -1;
+ remove_file_from_index(o->repo->index, b->path);
+ } else {
+ /*
+ * For each destination path, we need to see if there is a
+ * rename/add collision. If not, we can write the file out
+ * to the specified location.
+ */
+ add = filespec_from_entry(&other, ci->dst_entry1, 2 ^ 1);
+ if (add) {
+ if (handle_file_collision(o, a->path,
+ NULL, NULL,
+ ci->branch1, ci->branch2,
+ &mfi.oid, mfi.mode,
+ &add->oid, add->mode) < 0)
+ return -1;
+ } else {
+ char *new_path = find_path_for_conflict(o, a->path,
+ ci->branch1,
+ ci->branch2);
+ if (update_file(o, 0, &mfi.oid, mfi.mode, new_path ? new_path : a->path))
+ return -1;
+ free(new_path);
+ if (update_stages(o, a->path, NULL, a, NULL))
+ return -1;
+ }
+
+ add = filespec_from_entry(&other, ci->dst_entry2, 3 ^ 1);
+ if (add) {
+ if (handle_file_collision(o, b->path,
+ NULL, NULL,
+ ci->branch1, ci->branch2,
+ &add->oid, add->mode,
+ &mfi.oid, mfi.mode) < 0)
+ return -1;
+ } else {
+ char *new_path = find_path_for_conflict(o, b->path,
+ ci->branch2,
+ ci->branch1);
+ if (update_file(o, 0, &mfi.oid, mfi.mode, new_path ? new_path : b->path))
+ return -1;
+ free(new_path);
+ if (update_stages(o, b->path, NULL, NULL, b))
+ return -1;
+ }
+ }
return 0;
}
char *path_side_2_desc;
struct merge_file_info mfi_c1;
struct merge_file_info mfi_c2;
- int ret;
output(o, 1, _("CONFLICT (rename/rename): "
"Rename %s->%s in %s. "
a->path, c1->path, ci->branch1,
b->path, c2->path, ci->branch2);
- remove_file(o, 1, a->path, o->call_depth || would_lose_untracked(a->path));
- remove_file(o, 1, b->path, o->call_depth || would_lose_untracked(b->path));
-
path_side_1_desc = xstrfmt("version of %s from %s", path, a->path);
path_side_2_desc = xstrfmt("version of %s from %s", path, b->path);
if (merge_mode_and_contents(o, a, c1, &ci->ren1_other, path_side_1_desc,
- o->branch1, o->branch2, &mfi_c1) ||
+ o->branch1, o->branch2,
+ 1 + o->call_depth * 2, &mfi_c1) ||
merge_mode_and_contents(o, b, &ci->ren2_other, c2, path_side_2_desc,
- o->branch1, o->branch2, &mfi_c2))
+ o->branch1, o->branch2,
+ 1 + o->call_depth * 2, &mfi_c2))
return -1;
free(path_side_1_desc);
free(path_side_2_desc);
- if (o->call_depth) {
- /*
- * If mfi_c1.clean && mfi_c2.clean, then it might make
- * sense to do a two-way merge of those results. But, I
- * think in all cases, it makes sense to have the virtual
- * merge base just undo the renames; they can be detected
- * again later for the non-recursive merge.
- */
- remove_file(o, 0, path, 0);
- ret = update_file(o, 0, &mfi_c1.oid, mfi_c1.mode, a->path);
- if (!ret)
- ret = update_file(o, 0, &mfi_c2.oid, mfi_c2.mode,
- b->path);
- } else {
- char *new_path1 = unique_path(o, path, ci->branch1);
- char *new_path2 = unique_path(o, path, ci->branch2);
- output(o, 1, _("Renaming %s to %s and %s to %s instead"),
- a->path, new_path1, b->path, new_path2);
- if (was_dirty(o, path))
- output(o, 1, _("Refusing to lose dirty file at %s"),
- path);
- else if (would_lose_untracked(path))
- /*
- * Only way we get here is if both renames were from
- * a directory rename AND user had an untracked file
- * at the location where both files end up after the
- * two directory renames. See testcase 10d of t6043.
- */
- output(o, 1, _("Refusing to lose untracked file at "
- "%s, even though it's in the way."),
- path);
- else
- remove_file(o, 0, path, 0);
- ret = update_file(o, 0, &mfi_c1.oid, mfi_c1.mode, new_path1);
- if (!ret)
- ret = update_file(o, 0, &mfi_c2.oid, mfi_c2.mode,
- new_path2);
- /*
- * unpack_trees() actually populates the index for us for
- * "normal" rename/rename(2to1) situtations so that the
- * correct entries are at the higher stages, which would
- * make the call below to update_stages_for_stage_data
- * unnecessary. However, if either of the renames came
- * from a directory rename, then unpack_trees() will not
- * have gotten the right data loaded into the index, so we
- * need to do so now. (While it'd be tempting to move this
- * call to update_stages_for_stage_data() to
- * apply_directory_rename_modifications(), that would break
- * our intermediate calls to would_lose_untracked() since
- * those rely on the current in-memory index. See also the
- * big "NOTE" in update_stages()).
- */
- if (update_stages_for_stage_data(o, path, ci->dst_entry1))
- ret = -1;
-
- free(new_path2);
- free(new_path1);
- }
-
- return ret;
+ return handle_file_collision(o, path, a->path, b->path,
+ ci->branch1, ci->branch2,
+ &mfi_c1.oid, mfi_c1.mode,
+ &mfi_c2.oid, mfi_c2.mode);
}
/*
struct diff_queue_struct *ret;
struct diff_options opts;
- repo_diff_setup(the_repository, &opts);
+ repo_diff_setup(o->repo, &opts);
opts.flags.recursive = 1;
opts.flags.rename_empty = 0;
opts.detect_rename = merge_detect_rename(o);
remove_hashmap_entries(dir_re_merge, &remove_from_merge);
}
-static struct hashmap *get_directory_renames(struct diff_queue_struct *pairs,
- struct tree *tree)
+static struct hashmap *get_directory_renames(struct diff_queue_struct *pairs)
{
struct hashmap *dir_renames;
struct hashmap_iter iter;
struct tree *o_tree,
struct tree *a_tree,
struct tree *b_tree,
- struct string_list *entries,
- int *clean)
+ struct string_list *entries)
{
struct string_list_item *item;
int stage = (tree == a_tree ? 2 : 3);
apply_directory_rename_modifications(o, pair, new_path,
re, tree, o_tree,
a_tree, b_tree,
- entries,
- clean_merge);
+ entries);
}
hashmap_iter_init(&collisions, &iter);
0 /* update_wd */))
clean_merge = -1;
} else if (!oid_eq(&dst_other.oid, &null_oid)) {
- clean_merge = 0;
- try_merge = 1;
- output(o, 1, _("CONFLICT (rename/add): Rename %s->%s in %s. "
- "%s added in %s"),
- ren1_src, ren1_dst, branch1,
- ren1_dst, branch2);
- if (o->call_depth) {
- struct merge_file_info mfi;
- struct diff_filespec one, a, b;
-
- oidcpy(&one.oid, &null_oid);
- one.mode = 0;
- one.path = ren1->pair->two->path;
-
- oidcpy(&a.oid, &ren1->pair->two->oid);
- a.mode = ren1->pair->two->mode;
- a.path = one.path;
-
- oidcpy(&b.oid, &dst_other.oid);
- b.mode = dst_other.mode;
- b.path = one.path;
-
- if (merge_mode_and_contents(o, &one, &a, &b, ren1_dst,
- branch1, branch2,
- &mfi)) {
- clean_merge = -1;
- goto cleanup_and_return;
- }
- output(o, 1, _("Adding merged %s"), ren1_dst);
- if (update_file(o, 0, &mfi.oid,
- mfi.mode, ren1_dst))
- clean_merge = -1;
- try_merge = 0;
- } else {
- char *new_path = unique_path(o, ren1_dst, branch2);
- output(o, 1, _("Adding as %s instead"), new_path);
- if (update_file(o, 0, &dst_other.oid,
- dst_other.mode, new_path))
- clean_merge = -1;
- free(new_path);
- }
+ /*
+ * Probably not a clean merge, but it's
+ * premature to set clean_merge to 0 here,
+ * because if the rename merges cleanly and
+ * the merge exactly matches the newly added
+ * file, then the merge will be clean.
+ */
+ setup_rename_conflict_info(RENAME_ADD,
+ ren1->pair,
+ NULL,
+ branch1,
+ branch2,
+ ren1->dst_entry,
+ NULL,
+ o,
+ ren1->src_entry,
+ NULL);
} else
try_merge = 1;
merge_pairs = get_diffpairs(o, common, merge);
if (o->detect_directory_renames) {
- dir_re_head = get_directory_renames(head_pairs, head);
- dir_re_merge = get_directory_renames(merge_pairs, merge);
+ dir_re_head = get_directory_renames(head_pairs);
+ dir_re_merge = get_directory_renames(merge_pairs);
handle_directory_level_conflicts(o,
dir_re_head, head,
* performed. Comparison can be skipped if both files are
* unchanged since their sha1s have already been compared.
*/
- if (renormalize_buffer(&the_index, path, o.buf, o.len, &o) |
- renormalize_buffer(&the_index, path, a.buf, a.len, &a))
+ if (renormalize_buffer(opt->repo->index, path, o.buf, o.len, &o) |
+ renormalize_buffer(opt->repo->index, path, a.buf, a.len, &a))
ret = (o.len == a.len && !memcmp(o.buf, a.buf, o.len));
error_return:
a.path = (char *)path1;
b.path = (char *)path2;
- if (dir_in_way(path, !o->call_depth,
+ if (dir_in_way(o->repo->index, path, !o->call_depth,
S_ISGITLINK(pair1->two->mode)))
df_conflict_remains = 1;
}
if (merge_mode_and_contents(o, &one, &a, &b, path,
- o->branch1, o->branch2, &mfi))
+ o->branch1, o->branch2,
+ o->call_depth * 2, &mfi))
return -1;
/*
pos = index_name_pos(&o->orig_index, path, strlen(path));
ce = o->orig_index.cache[pos];
if (ce_skip_worktree(ce)) {
- pos = index_name_pos(&the_index, path, strlen(path));
- ce = the_index.cache[pos];
+ pos = index_name_pos(o->repo->index, path, strlen(path));
+ ce = o->repo->index->cache[pos];
ce->ce_flags |= CE_SKIP_WORKTREE;
}
return mfi.clean;
if (df_conflict_remains || is_dirty) {
char *new_path;
if (o->call_depth) {
- remove_file_from_cache(path);
+ remove_file_from_index(o->repo->index, path);
} else {
if (!mfi.clean) {
if (update_stages(o, path, &one, &a, &b))
clean_merge = 1;
if (handle_rename_via_dir(o,
conflict_info->pair1,
- conflict_info->branch1,
- conflict_info->branch2))
+ conflict_info->branch1))
clean_merge = -1;
break;
+ case RENAME_ADD:
+ /*
+ * Probably unclean merge, but if the renamed file
+ * merges cleanly and the result can then be
+ * two-way merged cleanly with the added file, I
+ * guess it's a clean merge?
+ */
+ clean_merge = handle_rename_add(o, conflict_info);
+ break;
case RENAME_DELETE:
clean_merge = 0;
if (handle_rename_delete(o,
clean_merge = -1;
break;
case RENAME_TWO_FILES_TO_ONE:
- clean_merge = 0;
- if (handle_rename_rename_2to1(o, conflict_info))
- clean_merge = -1;
+ /*
+ * Probably unclean merge, but if the two renamed
+ * files merge cleanly and the two resulting files
+ * can then be two-way merged cleanly, I guess it's
+ * a clean merge?
+ */
+ clean_merge = handle_rename_rename_2to1(o,
+ conflict_info);
break;
default:
entry->processed = 0;
oid = b_oid;
conf = _("directory/file");
}
- if (dir_in_way(path,
+ if (dir_in_way(o->repo->index, path,
!o->call_depth && !S_ISGITLINK(a_mode),
0)) {
char *new_path = unique_path(o, path, add_branch);
if (update_file(o, 0, oid, mode, new_path))
clean_merge = -1;
else if (o->call_depth)
- remove_file_from_cache(path);
+ remove_file_from_index(o->repo->index, path);
free(new_path);
} else {
output(o, 2, _("Adding %s"), path);
clean_merge = -1;
}
} else if (a_oid && b_oid) {
- /* Case C: Added in both (check for same permissions) and */
- /* case D: Modified in both, but differently. */
- int is_dirty = 0; /* unpack_trees would have bailed if dirty */
- clean_merge = handle_content_merge(o, path, is_dirty,
- o_oid, o_mode,
- a_oid, a_mode,
- b_oid, b_mode,
- NULL);
+ if (!o_oid) {
+ /* Case C: Added in both (check for same permissions) */
+ output(o, 1,
+ _("CONFLICT (add/add): Merge conflict in %s"),
+ path);
+ clean_merge = handle_file_collision(o,
+ path, NULL, NULL,
+ o->branch1,
+ o->branch2,
+ a_oid, a_mode,
+ b_oid, b_mode);
+ } else {
+ /* case D: Modified in both, but differently. */
+ int is_dirty = 0; /* unpack_trees would have bailed if dirty */
+ clean_merge = handle_content_merge(o, path,
+ is_dirty,
+ o_oid, o_mode,
+ a_oid, a_mode,
+ b_oid, b_mode,
+ NULL);
+ }
} else if (!o_oid && !a_oid && !b_oid) {
/*
* this entry was deleted altogether. a_mode == 0 means
struct tree *common,
struct tree **result)
{
+ struct index_state *istate = o->repo->index;
int code, clean;
struct strbuf sb = STRBUF_INIT;
- if (!o->call_depth && index_has_changes(&the_index, head, &sb)) {
+ if (!o->call_depth && repo_index_has_changes(o->repo, head, &sb)) {
err(o, _("Your local changes to the following files would be overwritten by merge:\n %s"),
sb.buf);
return -1;
}
if (o->subtree_shift) {
- merge = shift_tree_object(head, merge, o->subtree_shift);
- common = shift_tree_object(head, common, o->subtree_shift);
+ merge = shift_tree_object(o->repo, head, merge, o->subtree_shift);
+ common = shift_tree_object(o->repo, head, common, o->subtree_shift);
}
if (oid_eq(&common->object.oid, &merge->object.oid)) {
return -1;
}
- if (unmerged_cache()) {
+ if (unmerged_index(istate)) {
struct string_list *entries;
struct rename_info re_info;
int i;
get_files_dirs(o, head);
get_files_dirs(o, merge);
- entries = get_unmerged();
+ entries = get_unmerged(o->repo->index);
clean = detect_and_process_renames(o, common, head, merge,
entries, &re_info);
record_df_conflict_files(o, entries);
/* if there is no common ancestor, use an empty tree */
struct tree *tree;
- tree = lookup_tree(the_repository, the_repository->hash_algo->empty_tree);
- merged_common_ancestors = make_virtual_commit(tree, "ancestor");
+ tree = lookup_tree(o->repo, o->repo->hash_algo->empty_tree);
+ merged_common_ancestors = make_virtual_commit(o->repo, tree, "ancestor");
}
for (iter = ca; iter; iter = iter->next) {
* overwritten it: the committed "conflicts" were
* already resolved.
*/
- discard_cache();
+ discard_index(o->repo->index);
saved_b1 = o->branch1;
saved_b2 = o->branch2;
o->branch1 = "Temporary merge branch 1";
return err(o, _("merge returned no commit"));
}
- discard_cache();
+ discard_index(o->repo->index);
if (!o->call_depth)
- read_cache();
+ repo_read_index(o->repo);
o->ancestor = "merged common ancestors";
clean = merge_trees(o, get_commit_tree(h1), get_commit_tree(h2),
}
if (o->call_depth) {
- *result = make_virtual_commit(mrtree, "merged tree");
+ *result = make_virtual_commit(o->repo, mrtree, "merged tree");
commit_list_insert(h1, &(*result)->parents);
commit_list_insert(h2, &(*result)->parents->next);
}
return clean;
}
-static struct commit *get_ref(const struct object_id *oid, const char *name)
+static struct commit *get_ref(struct repository *repo, const struct object_id *oid,
+ const char *name)
{
struct object *object;
- object = deref_tag(the_repository, parse_object(the_repository, oid),
- name,
- strlen(name));
+ object = deref_tag(repo, parse_object(repo, oid),
+ name, strlen(name));
if (!object)
return NULL;
if (object->type == OBJ_TREE)
- return make_virtual_commit((struct tree*)object, name);
+ return make_virtual_commit(repo, (struct tree*)object, name);
if (object->type != OBJ_COMMIT)
return NULL;
if (parse_commit((struct commit *)object))
{
int clean;
struct lock_file lock = LOCK_INIT;
- struct commit *head_commit = get_ref(head, o->branch1);
- struct commit *next_commit = get_ref(merge, o->branch2);
+ struct commit *head_commit = get_ref(o->repo, head, o->branch1);
+ struct commit *next_commit = get_ref(o->repo, merge, o->branch2);
struct commit_list *ca = NULL;
if (base_list) {
int i;
for (i = 0; i < num_base_list; ++i) {
struct commit *base;
- if (!(base = get_ref(base_list[i], oid_to_hex(base_list[i]))))
+ if (!(base = get_ref(o->repo, base_list[i], oid_to_hex(base_list[i]))))
return err(o, _("Could not parse object '%s'"),
oid_to_hex(base_list[i]));
commit_list_insert(base, &ca);
}
}
- hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
+ repo_hold_locked_index(o->repo, &lock, LOCK_DIE_ON_ERROR);
clean = merge_recursive(o, head_commit, next_commit, ca,
result);
if (clean < 0) {
return clean;
}
- if (write_locked_index(&the_index, &lock,
+ if (write_locked_index(o->repo->index, &lock,
COMMIT_LOCK | SKIP_IF_UNCHANGED))
return err(o, _("Unable to write index."));
git_config(git_xmerge_config, NULL);
}
-void init_merge_options(struct merge_options *o)
+void init_merge_options(struct merge_options *o,
+ struct repository *repo)
{
const char *merge_verbosity;
memset(o, 0, sizeof(struct merge_options));
+ o->repo = repo;
o->verbosity = 2;
o->buffer_output = 1;
o->diff_rename_limit = -1;
return -1;
o->merge_detect_rename = 1;
}
+ /*
+ * Please update $__git_merge_strategy_options in
+ * git-completion.bash when you add new options
+ */
else
return -1;
return 0;