#include "alloc.h"
#include "attr.h"
#include "blob.h"
-#include "builtin.h"
#include "cache-tree.h"
#include "commit.h"
#include "commit-reach.h"
#include "diff.h"
#include "diffcore.h"
#include "dir.h"
+#include "environment.h"
+#include "gettext.h"
+#include "hex.h"
#include "ll-merge.h"
#include "lockfile.h"
+#include "object-name.h"
#include "object-store.h"
#include "repository.h"
#include "revision.h"
#include "string-list.h"
+#include "submodule-config.h"
#include "submodule.h"
#include "tag.h"
#include "tree-walk.h"
#include "unpack-trees.h"
+#include "wrapper.h"
#include "xdiff-interface.h"
struct merge_options_internal {
char path[FLEX_ARRAY];
};
-static int path_hashmap_cmp(const void *cmp_data,
+static int path_hashmap_cmp(const void *cmp_data UNUSED,
const struct hashmap_entry *eptr,
const struct hashmap_entry *entry_or_key,
const void *keydata)
a = container_of(eptr, const struct path_hashmap_entry, e);
b = container_of(entry_or_key, const struct path_hashmap_entry, e);
- if (ignore_case)
- return strcasecmp(a->path, key ? key : b->path);
- else
- return strcmp(a->path, key ? key : b->path);
-}
-
-static unsigned int path_hash(const char *path)
-{
- return ignore_case ? strihash(path) : strhash(path);
+ return fspathcmp(a->path, key ? key : b->path);
}
/*
{
struct dir_rename_entry key;
- if (dir == NULL)
+ if (!dir)
return NULL;
hashmap_entry_init(&key.ent, strhash(dir));
key.dir = dir;
return hashmap_get_entry(hashmap, &key, ent, NULL);
}
-static int dir_rename_cmp(const void *unused_cmp_data,
+static int dir_rename_cmp(const void *cmp_data UNUSED,
const struct hashmap_entry *eptr,
const struct hashmap_entry *entry_or_key,
- const void *unused_keydata)
+ const void *keydata UNUSED)
{
const struct dir_rename_entry *e1, *e2;
entry->dir = directory;
entry->non_unique_new_dir = 0;
strbuf_init(&entry->new_dir, 0);
- string_list_init(&entry->possible_new_dirs, 0);
+ string_list_init_nodup(&entry->possible_new_dirs);
}
struct collision_entry {
return hashmap_get_entry(hashmap, &key, ent, NULL);
}
-static int collision_cmp(const void *unused_cmp_data,
+static int collision_cmp(const void *cmp_data UNUSED,
const struct hashmap_entry *eptr,
const struct hashmap_entry *entry_or_key,
- const void *unused_keydata)
+ const void *keydata UNUSED)
{
const struct collision_entry *e1, *e2;
}
}
+__attribute__((format (printf, 2, 3)))
static int err(struct merge_options *opt, const char *err, ...)
{
va_list params;
flush_output(opt);
}
-static void output_commit_title(struct merge_options *opt, struct commit *commit)
+static void repo_output_commit_title(struct merge_options *opt,
+ struct repository *repo,
+ struct commit *commit)
{
struct merge_remote_desc *desc;
if (desc)
strbuf_addf(&opt->obuf, "virtual %s\n", desc->name);
else {
- strbuf_add_unique_abbrev(&opt->obuf, &commit->object.oid,
- DEFAULT_ABBREV);
+ strbuf_repo_add_unique_abbrev(&opt->obuf, repo,
+ &commit->object.oid,
+ DEFAULT_ABBREV);
strbuf_addch(&opt->obuf, ' ');
- if (parse_commit(commit) != 0)
+ if (repo_parse_commit(repo, commit) != 0)
strbuf_addstr(&opt->obuf, _("(bad commit)\n"));
else {
const char *title;
- const char *msg = get_commit_buffer(commit, NULL);
+ const char *msg = repo_get_commit_buffer(repo, commit, NULL);
int len = find_commit_subject(msg, &title);
if (len)
strbuf_addf(&opt->obuf, "%.*s\n", len, title);
- unuse_commit_buffer(commit, msg);
+ repo_unuse_commit_buffer(repo, commit, msg);
}
}
flush_output(opt);
}
+static void output_commit_title(struct merge_options *opt, struct commit *commit)
+{
+ repo_output_commit_title(opt, the_repository, commit);
+}
+
static int add_cacheinfo(struct merge_options *opt,
const struct diff_filespec *blob,
const char *path, int stage, int refresh, int options)
{
int rc;
struct tree_desc t[3];
- struct index_state tmp_index = { NULL };
+ struct index_state tmp_index = INDEX_STATE_INIT(opt->repo);
memset(&opt->priv->unpack_opts, 0, sizeof(opt->priv->unpack_opts));
if (opt->priv->call_depth)
opt->priv->unpack_opts.index_only = 1;
- else
+ else {
opt->priv->unpack_opts.update = 1;
+ /* FIXME: should only do this if !overwrite_ignore */
+ opt->priv->unpack_opts.preserve_ignored = 0;
+ }
opt->priv->unpack_opts.merge = 1;
opt->priv->unpack_opts.head_idx = 2;
opt->priv->unpack_opts.fn = threeway_merge;
clear_unpack_trees_porcelain(&opt->priv->unpack_opts);
}
-static int save_files_dirs(const struct object_id *oid,
+static int save_files_dirs(const struct object_id *oid UNUSED,
struct strbuf *base, const char *path,
- unsigned int mode, int stage, void *context)
+ unsigned int mode, void *context)
{
struct path_hashmap_entry *entry;
int baselen = base->len;
strbuf_addstr(base, path);
FLEX_ALLOC_MEM(entry, path, base->buf, base->len);
- hashmap_entry_init(&entry->e, path_hash(entry->path));
+ hashmap_entry_init(&entry->e, fspathhash(entry->path));
hashmap_add(&opt->priv->current_file_dir_set, &entry->e);
strbuf_setlen(base, baselen);
{
struct pathspec match_all;
memset(&match_all, 0, sizeof(match_all));
- read_tree_recursive(opt->repo, tree, "", 0, 0,
- &match_all, save_files_dirs, opt);
+ read_tree(opt->repo, tree,
+ &match_all, save_files_dirs, opt);
}
static int get_tree_entry_if_blob(struct repository *r,
ret = get_tree_entry(r, tree, path, &dfs->oid, &dfs->mode);
if (S_ISDIR(dfs->mode)) {
- oidcpy(&dfs->oid, &null_oid);
+ oidcpy(&dfs->oid, null_oid());
dfs->mode = 0;
}
return ret;
*/
static struct string_list *get_unmerged(struct index_state *istate)
{
- struct string_list *unmerged = xcalloc(1, sizeof(struct string_list));
+ struct string_list *unmerged = xmalloc(sizeof(struct string_list));
int i;
- unmerged->strdup_strings = 1;
+ string_list_init_dup(unmerged);
+ /* TODO: audit for interaction with sparse-index. */
+ ensure_full_index(istate);
for (i = 0; i < istate->cache_nr; i++) {
struct string_list_item *item;
struct stage_data *e;
base_len = newpath.len;
while (hashmap_get_from_hash(&opt->priv->current_file_dir_set,
- path_hash(newpath.buf), newpath.buf) ||
+ fspathhash(newpath.buf), newpath.buf) ||
(!opt->priv->call_depth && file_exists(newpath.buf))) {
strbuf_setlen(&newpath, base_len);
strbuf_addf(&newpath, "_%d", suffix++);
}
FLEX_ALLOC_MEM(entry, path, newpath.buf, newpath.len);
- hashmap_entry_init(&entry->e, path_hash(entry->path));
+ hashmap_entry_init(&entry->e, fspathhash(entry->path));
hashmap_add(&opt->priv->current_file_dir_set, &entry->e);
return strbuf_detach(&newpath, NULL);
}
goto update_index;
}
- buf = read_object_file(&contents->oid, &type, &size);
+ buf = repo_read_object_file(the_repository, &contents->oid,
+ &type, &size);
if (!buf) {
ret = err(opt, _("cannot read object %s '%s'"),
oid_to_hex(&contents->oid), path);
mmfile_t orig, src1, src2;
struct ll_merge_options ll_opts = {0};
char *base, *name1, *name2;
- int merge_status;
+ enum ll_merge_result merge_status;
ll_opts.renormalize = opt->renormalize;
ll_opts.extra_marker_size = extra_marker_size;
read_mmblob(&src1, &a->oid);
read_mmblob(&src2, &b->oid);
+ /*
+ * FIXME: Using a->path for normalization rules in ll_merge could be
+ * wrong if we renamed from a->path to b->path. We should use the
+ * target path for where the file will be written.
+ */
merge_status = ll_merge(result_buf, a->path, &orig, base,
&src1, name1, &src2, name2,
opt->repo->index, &ll_opts);
+ if (merge_status == LL_MERGE_BINARY_CONFLICT)
+ warning("Cannot merge binary files: %s (%s vs. %s)",
+ a->path, name1, name2);
free(base);
free(name1);
xsnprintf(merged_revision, sizeof(merged_revision), "^%s",
oid_to_hex(&a->object.oid));
repo_init_revisions(repo, &revs, NULL);
- rev_opts.submodule = path;
/* FIXME: can't handle linked worktrees in submodules yet */
revs.single_worktree = path != NULL;
setup_revisions(ARRAY_SIZE(rev_args)-1, rev_args, &revs, &rev_opts);
die("revision walk setup failed");
while ((commit = get_revision(&revs)) != NULL) {
struct object *o = &(commit->object);
- if (in_merge_bases(b, commit))
+ if (repo_in_merge_bases(repo, b, commit))
add_object_array(o, NULL, &merges);
}
reset_revision_walk();
contains_another = 0;
for (j = 0; j < merges.nr; j++) {
struct commit *m2 = (struct commit *) merges.objects[j].item;
- if (i != j && in_merge_bases(m2, m1)) {
+ if (i != j && repo_in_merge_bases(repo, m2, m1)) {
contains_another = 1;
break;
}
}
object_array_clear(&merges);
+ release_revisions(&revs);
return result->nr;
}
-static void print_commit(struct commit *commit)
+static void print_commit(struct repository *repo, struct commit *commit)
{
struct strbuf sb = STRBUF_INIT;
struct pretty_print_context ctx = {0};
ctx.date_mode.type = DATE_NORMAL;
- format_commit_message(commit, " %h: %m %s", &sb, &ctx);
+ /* FIXME: Merge this with output_commit_title() */
+ assert(!merge_remote_util(commit));
+ repo_format_commit_message(repo, commit, " %h: %m %s", &sb, &ctx);
fprintf(stderr, "%s\n", sb.buf);
strbuf_release(&sb);
}
const struct object_id *base, const struct object_id *a,
const struct object_id *b)
{
+ struct repository subrepo;
+ int ret = 0;
struct commit *commit_base, *commit_a, *commit_b;
int parent_count;
struct object_array merges;
int search = !opt->priv->call_depth;
/* store a in result in case we fail */
+ /* FIXME: This is the WRONG resolution for the recursive case when
+ * we need to be careful to avoid accidentally matching either side.
+ * Should probably use o instead there, much like we do for merging
+ * binaries.
+ */
oidcpy(result, a);
/* we can not handle deletion conflicts */
if (is_null_oid(b))
return 0;
- if (add_submodule_odb(path)) {
+ if (repo_submodule_init(&subrepo, opt->repo, path, null_oid())) {
output(opt, 1, _("Failed to merge submodule %s (not checked out)"), path);
return 0;
}
- if (!(commit_base = lookup_commit_reference(opt->repo, base)) ||
- !(commit_a = lookup_commit_reference(opt->repo, a)) ||
- !(commit_b = lookup_commit_reference(opt->repo, b))) {
+ if (!(commit_base = lookup_commit_reference(&subrepo, base)) ||
+ !(commit_a = lookup_commit_reference(&subrepo, a)) ||
+ !(commit_b = lookup_commit_reference(&subrepo, b))) {
output(opt, 1, _("Failed to merge submodule %s (commits not present)"), path);
- return 0;
+ goto cleanup;
}
/* check whether both changes are forward */
- if (!in_merge_bases(commit_base, commit_a) ||
- !in_merge_bases(commit_base, commit_b)) {
+ if (!repo_in_merge_bases(&subrepo, commit_base, commit_a) ||
+ !repo_in_merge_bases(&subrepo, commit_base, commit_b)) {
output(opt, 1, _("Failed to merge submodule %s (commits don't follow merge-base)"), path);
- return 0;
+ goto cleanup;
}
/* Case #1: a is contained in b or vice versa */
- if (in_merge_bases(commit_a, commit_b)) {
+ if (repo_in_merge_bases(&subrepo, commit_a, commit_b)) {
oidcpy(result, b);
if (show(opt, 3)) {
output(opt, 3, _("Fast-forwarding submodule %s to the following commit:"), path);
- output_commit_title(opt, commit_b);
+ repo_output_commit_title(opt, &subrepo, commit_b);
} else if (show(opt, 2))
output(opt, 2, _("Fast-forwarding submodule %s"), path);
else
; /* no output */
- return 1;
+ ret = 1;
+ goto cleanup;
}
- if (in_merge_bases(commit_b, commit_a)) {
+ if (repo_in_merge_bases(&subrepo, commit_b, commit_a)) {
oidcpy(result, a);
if (show(opt, 3)) {
output(opt, 3, _("Fast-forwarding submodule %s to the following commit:"), path);
- output_commit_title(opt, commit_a);
+ repo_output_commit_title(opt, &subrepo, commit_a);
} else if (show(opt, 2))
output(opt, 2, _("Fast-forwarding submodule %s"), path);
else
; /* no output */
- return 1;
+ ret = 1;
+ goto cleanup;
}
/*
/* Skip the search if makes no sense to the calling context. */
if (!search)
- return 0;
+ goto cleanup;
/* find commit which merges them */
- parent_count = find_first_merges(opt->repo, &merges, path,
+ parent_count = find_first_merges(&subrepo, &merges, path,
commit_a, commit_b);
switch (parent_count) {
case 0:
case 1:
output(opt, 1, _("Failed to merge submodule %s (not fast-forward)"), path);
output(opt, 2, _("Found a possible merge resolution for the submodule:\n"));
- print_commit((struct commit *) merges.objects[0].item);
+ print_commit(&subrepo, (struct commit *) merges.objects[0].item);
output(opt, 2, _(
"If this is correct simply add it to the index "
"for example\n"
default:
output(opt, 1, _("Failed to merge submodule %s (multiple merges found)"), path);
for (i = 0; i < merges.nr; i++)
- print_commit((struct commit *) merges.objects[i].item);
+ print_commit(&subrepo, (struct commit *) merges.objects[i].item);
}
object_array_clear(&merges);
- return 0;
+cleanup:
+ repo_clear(&subrepo);
+ return ret;
}
static int merge_mode_and_contents(struct merge_options *opt,
if ((S_IFMT & a->mode) != (S_IFMT & b->mode)) {
result->clean = 0;
+ /*
+ * FIXME: This is a bad resolution for recursive case; for
+ * the recursive case we want something that is unlikely to
+ * accidentally match either side. Also, while it makes
+ * sense to prefer regular files over symlinks, it doesn't
+ * make sense to prefer regular files over submodules.
+ */
if (S_ISREG(a->mode)) {
result->blob.mode = a->mode;
oidcpy(&result->blob.oid, &a->oid);
if (!ret &&
write_object_file(result_buf.ptr, result_buf.size,
- blob_type, &result->blob.oid))
+ OBJ_BLOB, &result->blob.oid))
ret = err(opt, _("Unable to add %s to database"),
a->path);
free(result_buf.ptr);
if (ret)
return ret;
+ /* FIXME: bug, what if modes didn't match? */
result->clean = (merge_status == 0);
} else if (S_ISGITLINK(a->mode)) {
result->clean = merge_submodule(opt, &result->blob.oid,
/* Store things in diff_filespecs for functions that need it */
null.path = (char *)collide_path;
- oidcpy(&null.oid, &null_oid);
+ oidcpy(&null.oid, null_oid());
null.mode = 0;
if (merge_mode_and_contents(opt, &null, a, b, collide_path,
*/
if (opts.detect_rename > DIFF_DETECT_RENAME)
opts.detect_rename = DIFF_DETECT_RENAME;
- opts.rename_limit = (opt->rename_limit >= 0) ? opt->rename_limit : 1000;
+ opts.rename_limit = (opt->rename_limit >= 0) ? opt->rename_limit : 7000;
opts.rename_score = opt->rename_score;
opts.show_rename_progress = opt->show_rename_progress;
opts.output_format = DIFF_FORMAT_NO_OUTPUT;
* renamed means the root directory can never be renamed -- because
* the root directory always exists).
*/
- if (end_of_old == NULL)
+ if (!end_of_old)
return; /* Note: *old_dir and *new_dir are still NULL */
/*
* If new_path contains no directory (end_of_new is NULL), then we
* have a rename of old_path's directory to the root directory.
*/
- if (end_of_new == NULL) {
+ if (!end_of_new) {
*old_dir = xstrndup(old_path, end_of_old - old_path);
*new_dir = xstrdup("");
return;
if (!new_path) {
/* This should only happen when entry->non_unique_new_dir set */
if (!entry->non_unique_new_dir)
- BUG("entry->non_unqiue_dir not set and !new_path");
+ BUG("entry->non_unique_new_dir not set and !new_path");
output(opt, 1, _("CONFLICT (directory rename split): "
"Unclear where to place %s because directory "
"%s was renamed to multiple other directories, "
* to ensure that's the case.
*/
collision_ent = collision_find_entry(collisions, new_path);
- if (collision_ent == NULL)
+ if (!collision_ent)
BUG("collision_ent is NULL");
/*
* implicit renaming of files that should be left in place. (See
* testcase 6b in t6043 for details.)
* 2. Prune directory renames if there are still files left in the
- * the original directory. These represent a partial directory rename,
+ * original directory. These represent a partial directory rename,
* i.e. a rename where only some of the files within the directory
* were renamed elsewhere. (Technically, this could be done earlier
* in get_directory_renames(), except that would prevent us from
struct string_list b_by_dst = STRING_LIST_INIT_NODUP;
const struct rename *sre;
+ /*
+ * FIXME: As string-list.h notes, it's O(n^2) to build a sorted
+ * string_list one-by-one, but O(n log n) to build it unsorted and
+ * then sort it. Note that as we build the list, we do not need to
+ * check if the existing destination path is already in the list,
+ * because the structure of diffcore_rename guarantees we won't
+ * have duplicates.
+ */
for (i = 0; i < a_renames->nr; i++) {
sre = a_renames->items[i].util;
string_list_insert(&a_by_dst, sre->pair->two->path)->util
int renamed_stage = a_renames == renames1 ? 2 : 3;
int other_stage = a_renames == renames1 ? 3 : 2;
+ /*
+ * Directory renames have a funny corner case...
+ */
+ int renamed_to_self = !strcmp(ren1_src, ren1_dst);
+
/* BUG: We should only remove ren1_src in the base
* stage and in other_stage (think of rename +
* add-source case).
*/
- remove_file(opt, 1, ren1_src,
- renamed_stage == 2 || !was_tracked(opt, ren1_src));
+ if (!renamed_to_self)
+ remove_file(opt, 1, ren1_src,
+ renamed_stage == 2 ||
+ !was_tracked(opt, ren1_src));
oidcpy(&src_other.oid,
&ren1->src_entry->stages[other_stage].oid);
dst_other.mode = ren1->dst_entry->stages[other_stage].mode;
try_merge = 0;
- if (oideq(&src_other.oid, &null_oid) &&
+ if (oideq(&src_other.oid, null_oid()) &&
ren1->dir_rename_original_type == 'A') {
setup_rename_conflict_info(RENAME_VIA_DIR,
opt, ren1, NULL);
- } else if (oideq(&src_other.oid, &null_oid)) {
+ } else if (renamed_to_self) {
+ setup_rename_conflict_info(RENAME_NORMAL,
+ opt, ren1, NULL);
+ } else if (oideq(&src_other.oid, null_oid())) {
setup_rename_conflict_info(RENAME_DELETE,
opt, ren1, NULL);
} else if ((dst_other.mode == ren1->pair->two->mode) &&
1, /* update_cache */
0 /* update_wd */))
clean_merge = -1;
- } else if (!oideq(&dst_other.oid, &null_oid)) {
+ } else if (!oideq(&dst_other.oid, null_oid())) {
/*
* Probably not a clean merge, but it's
* premature to set clean_merge to 0 here,
const struct rename *re;
int i;
- if (rename == NULL)
+ if (!rename)
return;
for (i = 0; i < rename->nr; i++) {
void *buf;
enum object_type type;
unsigned long size;
- buf = read_object_file(oid, &type, &size);
+ buf = repo_read_object_file(the_repository, oid, &type, &size);
if (!buf)
return err(opt, _("cannot read object %s"), oid_to_hex(oid));
if (type != OBJ_BLOB) {
struct strbuf obuf = STRBUF_INIT;
struct strbuf abuf = STRBUF_INIT;
int ret = 0; /* assume changed for safety */
- const struct index_state *idx = opt->repo->index;
+ struct index_state *idx = opt->repo->index;
if (a->mode != o->mode)
return 0;
struct rename *ren = ci->ren1;
struct merge_file_info mfi;
int clean;
- int side = (ren->branch == opt->branch1 ? 2 : 3);
/* Merge the content and write it out */
clean = handle_content_merge(&mfi, opt, path, was_dirty(opt, path),
opt->detect_directory_renames == MERGE_DIRECTORY_RENAMES_CONFLICT &&
ren->dir_rename_original_dest) {
if (update_stages(opt, path,
- NULL,
- side == 2 ? &mfi.blob : NULL,
- side == 2 ? NULL : &mfi.blob))
+ &mfi.blob, &mfi.blob, &mfi.blob))
return -1;
clean = 0; /* not clean, but conflicted */
}
}
if (oideq(&merge_base->object.oid, &merge->object.oid)) {
- output(opt, 0, _("Already up to date!"));
+ output(opt, 0, _("Already up to date."));
*result = head;
return 1;
}
}
if (!merge_bases) {
- merge_bases = get_merge_bases(h1, h2);
+ merge_bases = repo_get_merge_bases(the_repository, h1, h2);
merge_bases = reverse_commit_list(merge_bases);
}
}
merged_merge_bases = pop_commit(&merge_bases);
- if (merged_merge_bases == NULL) {
+ if (!merged_merge_bases) {
/* if there is no common ancestor, use an empty tree */
struct tree *tree;
return err(opt, _("merge returned no commit"));
}
+ /*
+ * FIXME: Since merge_recursive_internal() is only ever called by
+ * places that ensure the index is loaded first
+ * (e.g. builtin/merge.c, rebase/sequencer, etc.), in the common
+ * case where the merge base was unique that means when we get here
+ * we immediately discard the index and re-read it, which is a
+ * complete waste of time. We should only be discarding and
+ * re-reading if we were forced to recurse.
+ */
discard_index(opt->repo->index);
if (!opt->priv->call_depth)
repo_read_index(opt->repo);
assert(opt->priv == NULL);
+ /* Not supported; option specific to merge-ort */
+ assert(!opt->record_conflict_msgs_as_headers);
+ assert(!opt->msg_header_prefix);
+
/* Sanity check on repo state; index must match head */
if (repo_index_has_changes(opt->repo, head, &sb)) {
err(opt, _("Your local changes to the following files would be overwritten by merge:\n %s"),
}
CALLOC_ARRAY(opt->priv, 1);
- string_list_init(&opt->priv->df_conflict_file_set, 1);
+ string_list_init_dup(&opt->priv->df_conflict_file_set);
return 0;
}
assert(opt->ancestor == NULL ||
!strcmp(opt->ancestor, "constructed merge base"));
+ prepare_repo_settings(opt->repo);
+ opt->repo->settings.command_requires_full_index = 1;
+
if (merge_start(opt, repo_get_commit_tree(opt->repo, h1)))
return -1;
clean = merge_recursive_internal(opt, h1, h2, merge_bases, result);
return make_virtual_commit(repo, (struct tree*)object, name);
if (object->type != OBJ_COMMIT)
return NULL;
- if (parse_commit((struct commit *)object))
+ if (repo_parse_commit(repo, (struct commit *)object))
return NULL;
return (struct commit *)object;
}
projects / thirdparty / git.git / blobdiff