static int get_stat_data(struct cache_entry *ce,
const unsigned char **sha1p,
unsigned int *modep,
int cached, int match_missing)
{
const unsigned char *sha1 = ce->sha1;
unsigned int mode = ce->ce_mode;
if (!cached && !ce_uptodate(ce)) {
int changed;
struct stat st;
changed = check_removed(ce, &st);
if (changed < 0)
return -1;
else if (changed) {
if (match_missing) {
*sha1p = sha1;
*modep = mode;
return 0;
}
return -1;
}
changed = ce_match_stat(ce, &st, 0);
if (changed) {
mode = ce_mode_from_stat(ce, st.st_mode);
sha1 = null_sha1;
}
}
*sha1p = sha1;
*modep = mode;
return 0;
}
void stage_updated_gitmodules(void)
{
struct strbuf buf = STRBUF_INIT;
struct stat st;
int pos;
struct cache_entry *ce;
int namelen = strlen(".gitmodules");
pos = cache_name_pos(".gitmodules", namelen);
if (pos < 0) {
warning(_("could not find .gitmodules in index"));
return;
}
ce = active_cache[pos];
ce->ce_flags = namelen;
if (strbuf_read_file(&buf, ".gitmodules", 0) < 0)
die(_("reading updated .gitmodules failed"));
if (lstat(".gitmodules", &st) < 0)
die_errno(_("unable to stat updated .gitmodules"));
fill_stat_cache_info(ce, &st);
ce->ce_mode = ce_mode_from_stat(ce, st.st_mode);
if (remove_cache_entry_at(pos) < 0)
die(_("unable to remove .gitmodules from index"));
if (write_sha1_file(buf.buf, buf.len, blob_type, ce->sha1))
die(_("adding updated .gitmodules failed"));
if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE))
die(_("staging updated .gitmodules failed"));
}
static int add_one_path(const struct cache_entry *old, const char *path, int len, struct stat *st)
{
int option, size;
struct cache_entry *ce;
/* Was the old index entry already up-to-date? */
if (old && !ce_stage(old) && !ce_match_stat(old, st, 0))
return 0;
size = cache_entry_size(len);
ce = xcalloc(1, size);
memcpy(ce->name, path, len);
ce->ce_flags = create_ce_flags(0);
ce->ce_namelen = len;
fill_stat_cache_info(ce, st);
ce->ce_mode = ce_mode_from_stat(old, st->st_mode);
if (index_path(ce->sha1, path, st,
info_only ? 0 : HASH_WRITE_OBJECT)) {
free(ce);
return -1;
}
option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
if (add_cache_entry(ce, option))
return error("%s: cannot add to the index - missing --add option?", path);
return 0;
}
static int get_stat_data(const struct cache_entry *ce,
const struct object_id **oidp,
unsigned int *modep,
int cached, int match_missing,
unsigned *dirty_submodule, struct diff_options *diffopt)
{
const struct object_id *oid = &ce->oid;
unsigned int mode = ce->ce_mode;
if (!cached && !ce_uptodate(ce)) {
int changed;
struct stat st;
changed = check_removed(ce, &st);
if (changed < 0)
return -1;
else if (changed) {
if (match_missing) {
*oidp = oid;
*modep = mode;
return 0;
}
return -1;
}
changed = match_stat_with_submodule(diffopt, ce, &st,
0, dirty_submodule);
if (changed) {
mode = ce_mode_from_stat(ce, st.st_mode);
oid = &null_oid;
}
}
*oidp = oid;
*modep = mode;
return 0;
}
static int get_stat_data(struct cache_entry *ce,
const unsigned char **sha1p,
unsigned int *modep,
int cached, int match_missing,
unsigned *dirty_submodule, struct diff_options *diffopt)
{
const unsigned char *sha1 = ce->sha1;
unsigned int mode = ce->ce_mode;
if (!cached && !ce_uptodate(ce)) {
int changed;
struct stat st;
changed = check_removed(ce, &st);
if (changed < 0)
return -1;
else if (changed) {
if (match_missing) {
*sha1p = sha1;
*modep = mode;
return 0;
}
return -1;
}
changed = ce_match_stat(ce, &st, 0);
if (S_ISGITLINK(ce->ce_mode)
&& !DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES)
&& (!changed || (diffopt->output_format & DIFF_FORMAT_PATCH))
&& is_submodule_modified(ce->name)) {
changed = 1;
*dirty_submodule = 1;
}
if (changed) {
mode = ce_mode_from_stat(ce, st.st_mode);
sha1 = null_sha1;
}
}
*sha1p = sha1;
*modep = mode;
return 0;
}
int run_diff_files(struct rev_info *revs, unsigned int option)
{
int entries, i;
int diff_unmerged_stage = revs->max_count;
int silent_on_removed = option & DIFF_SILENT_ON_REMOVED;
unsigned ce_option = ((option & DIFF_RACY_IS_MODIFIED)
? CE_MATCH_RACY_IS_DIRTY : 0);
diff_set_mnemonic_prefix(&revs->diffopt, "i/", "w/");
if (diff_unmerged_stage < 0)
diff_unmerged_stage = 2;
entries = active_nr;
for (i = 0; i < entries; i++) {
struct stat st;
unsigned int oldmode, newmode;
struct cache_entry *ce = active_cache[i];
int changed;
if (DIFF_OPT_TST(&revs->diffopt, QUIET) &&
DIFF_OPT_TST(&revs->diffopt, HAS_CHANGES))
break;
if (!ce_path_match(ce, revs->prune_data))
continue;
if (ce_stage(ce)) {
struct combine_diff_path *dpath;
int num_compare_stages = 0;
size_t path_len;
path_len = ce_namelen(ce);
dpath = xmalloc(combine_diff_path_size(5, path_len));
dpath->path = (char *) &(dpath->parent[5]);
dpath->next = NULL;
dpath->len = path_len;
memcpy(dpath->path, ce->name, path_len);
dpath->path[path_len] = '\0';
hashclr(dpath->sha1);
memset(&(dpath->parent[0]), 0,
sizeof(struct combine_diff_parent)*5);
changed = check_removed(ce, &st);
if (!changed)
dpath->mode = ce_mode_from_stat(ce, st.st_mode);
else {
if (changed < 0) {
perror(ce->name);
continue;
}
if (silent_on_removed)
continue;
}
while (i < entries) {
struct cache_entry *nce = active_cache[i];
int stage;
if (strcmp(ce->name, nce->name))
break;
/* Stage #2 (ours) is the first parent,
* stage #3 (theirs) is the second.
*/
stage = ce_stage(nce);
if (2 <= stage) {
int mode = nce->ce_mode;
num_compare_stages++;
hashcpy(dpath->parent[stage-2].sha1, nce->sha1);
dpath->parent[stage-2].mode = ce_mode_from_stat(nce, mode);
dpath->parent[stage-2].status =
DIFF_STATUS_MODIFIED;
}
/* diff against the proper unmerged stage */
if (stage == diff_unmerged_stage)
ce = nce;
i++;
}
/*
* Compensate for loop update
*/
i--;
if (revs->combine_merges && num_compare_stages == 2) {
show_combined_diff(dpath, 2,
revs->dense_combined_merges,
revs);
free(dpath);
continue;
}
free(dpath);
dpath = NULL;
/*
* Show the diff for the 'ce' if we found the one
* from the desired stage.
*/
diff_unmerge(&revs->diffopt, ce->name, 0, null_sha1);
if (ce_stage(ce) != diff_unmerged_stage)
continue;
}
if (ce_uptodate(ce))
continue;
changed = check_removed(ce, &st);
if (changed) {
if (changed < 0) {
perror(ce->name);
continue;
}
if (silent_on_removed)
continue;
diff_addremove(&revs->diffopt, '-', ce->ce_mode,
ce->sha1, ce->name);
continue;
}
changed = ce_match_stat(ce, &st, ce_option);
if (!changed) {
ce_mark_uptodate(ce);
if (!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
continue;
}
oldmode = ce->ce_mode;
newmode = ce_mode_from_stat(ce, st.st_mode);
diff_change(&revs->diffopt, oldmode, newmode,
ce->sha1, (changed ? null_sha1 : ce->sha1),
ce->name);
}
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
return 0;
}
int run_diff_files(struct rev_info *revs, unsigned int option)
{
int entries, i;
int diff_unmerged_stage = revs->max_count;
unsigned ce_option = ((option & DIFF_RACY_IS_MODIFIED)
? CE_MATCH_RACY_IS_DIRTY : 0);
diff_set_mnemonic_prefix(&revs->diffopt, "i/", "w/");
if (diff_unmerged_stage < 0)
diff_unmerged_stage = 2;
entries = active_nr;
for (i = 0; i < entries; i++) {
unsigned int oldmode, newmode;
struct cache_entry *ce = active_cache[i];
int changed;
unsigned dirty_submodule = 0;
const unsigned char *old_sha1, *new_sha1;
if (diff_can_quit_early(&revs->diffopt))
break;
if (!ce_path_match(ce, &revs->prune_data, NULL))
continue;
if (ce_stage(ce)) {
struct combine_diff_path *dpath;
struct diff_filepair *pair;
unsigned int wt_mode = 0;
int num_compare_stages = 0;
size_t path_len;
struct stat st;
path_len = ce_namelen(ce);
dpath = xmalloc(combine_diff_path_size(5, path_len));
dpath->path = (char *) &(dpath->parent[5]);
dpath->next = NULL;
memcpy(dpath->path, ce->name, path_len);
dpath->path[path_len] = '\0';
oidclr(&dpath->oid);
memset(&(dpath->parent[0]), 0,
sizeof(struct combine_diff_parent)*5);
changed = check_removed(ce, &st);
if (!changed)
wt_mode = ce_mode_from_stat(ce, st.st_mode);
else {
if (changed < 0) {
perror(ce->name);
continue;
}
wt_mode = 0;
}
dpath->mode = wt_mode;
while (i < entries) {
struct cache_entry *nce = active_cache[i];
int stage;
if (strcmp(ce->name, nce->name))
break;
/* Stage #2 (ours) is the first parent,
* stage #3 (theirs) is the second.
*/
stage = ce_stage(nce);
if (2 <= stage) {
int mode = nce->ce_mode;
num_compare_stages++;
hashcpy(dpath->parent[stage-2].oid.hash, nce->sha1);
dpath->parent[stage-2].mode = ce_mode_from_stat(nce, mode);
dpath->parent[stage-2].status =
DIFF_STATUS_MODIFIED;
}
/* diff against the proper unmerged stage */
if (stage == diff_unmerged_stage)
ce = nce;
i++;
}
/*
* Compensate for loop update
*/
i--;
if (revs->combine_merges && num_compare_stages == 2) {
show_combined_diff(dpath, 2,
revs->dense_combined_merges,
revs);
free(dpath);
continue;
}
free(dpath);
dpath = NULL;
/*
* Show the diff for the 'ce' if we found the one
* from the desired stage.
*/
pair = diff_unmerge(&revs->diffopt, ce->name);
if (wt_mode)
pair->two->mode = wt_mode;
if (ce_stage(ce) != diff_unmerged_stage)
continue;
}
if (ce_uptodate(ce) || ce_skip_worktree(ce))
continue;
/* If CE_VALID is set, don't look at workdir for file removal */
if (ce->ce_flags & CE_VALID) {
changed = 0;
newmode = ce->ce_mode;
} else {
struct stat st;
changed = check_removed(ce, &st);
if (changed) {
if (changed < 0) {
perror(ce->name);
continue;
}
diff_addremove(&revs->diffopt, '-', ce->ce_mode,
ce->sha1, !is_null_sha1(ce->sha1),
ce->name, 0);
continue;
}
changed = match_stat_with_submodule(&revs->diffopt, ce, &st,
ce_option, &dirty_submodule);
newmode = ce_mode_from_stat(ce, st.st_mode);
}
if (!changed && !dirty_submodule) {
ce_mark_uptodate(ce);
if (!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
continue;
}
oldmode = ce->ce_mode;
old_sha1 = ce->sha1;
new_sha1 = changed ? null_sha1 : ce->sha1;
diff_change(&revs->diffopt, oldmode, newmode,
old_sha1, new_sha1,
!is_null_sha1(old_sha1),
!is_null_sha1(new_sha1),
ce->name, 0, dirty_submodule);
}
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
return 0;
}
static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
int argc, const char **argv)
{
char tmpdir[PATH_MAX];
struct strbuf info = STRBUF_INIT, lpath = STRBUF_INIT;
struct strbuf rpath = STRBUF_INIT, buf = STRBUF_INIT;
struct strbuf ldir = STRBUF_INIT, rdir = STRBUF_INIT;
struct strbuf wtdir = STRBUF_INIT;
size_t ldir_len, rdir_len, wtdir_len;
struct cache_entry *ce = xcalloc(1, sizeof(ce) + PATH_MAX + 1);
const char *workdir, *tmp;
int ret = 0, i;
FILE *fp;
struct hashmap working_tree_dups, submodules, symlinks2;
struct hashmap_iter iter;
struct pair_entry *entry;
enum object_type type;
unsigned long size;
struct index_state wtindex;
struct checkout lstate, rstate;
int rc, flags = RUN_GIT_CMD, err = 0;
struct child_process child = CHILD_PROCESS_INIT;
const char *helper_argv[] = { "difftool--helper", NULL, NULL, NULL };
struct hashmap wt_modified, tmp_modified;
int indices_loaded = 0;
workdir = get_git_work_tree();
/* Setup temp directories */
tmp = getenv("TMPDIR");
xsnprintf(tmpdir, sizeof(tmpdir), "%s/git-difftool.XXXXXX", tmp ? tmp : "/tmp");
if (!mkdtemp(tmpdir))
return error("could not create '%s'", tmpdir);
strbuf_addf(&ldir, "%s/left/", tmpdir);
strbuf_addf(&rdir, "%s/right/", tmpdir);
strbuf_addstr(&wtdir, workdir);
if (!wtdir.len || !is_dir_sep(wtdir.buf[wtdir.len - 1]))
strbuf_addch(&wtdir, '/');
mkdir(ldir.buf, 0700);
mkdir(rdir.buf, 0700);
memset(&wtindex, 0, sizeof(wtindex));
memset(&lstate, 0, sizeof(lstate));
lstate.base_dir = ldir.buf;
lstate.base_dir_len = ldir.len;
lstate.force = 1;
memset(&rstate, 0, sizeof(rstate));
rstate.base_dir = rdir.buf;
rstate.base_dir_len = rdir.len;
rstate.force = 1;
ldir_len = ldir.len;
rdir_len = rdir.len;
wtdir_len = wtdir.len;
hashmap_init(&working_tree_dups,
(hashmap_cmp_fn)working_tree_entry_cmp, 0);
hashmap_init(&submodules, (hashmap_cmp_fn)pair_cmp, 0);
hashmap_init(&symlinks2, (hashmap_cmp_fn)pair_cmp, 0);
child.no_stdin = 1;
child.git_cmd = 1;
child.use_shell = 0;
child.clean_on_exit = 1;
child.dir = prefix;
child.out = -1;
argv_array_pushl(&child.args, "diff", "--raw", "--no-abbrev", "-z",
NULL);
for (i = 0; i < argc; i++)
argv_array_push(&child.args, argv[i]);
if (start_command(&child))
die("could not obtain raw diff");
fp = xfdopen(child.out, "r");
/* Build index info for left and right sides of the diff */
i = 0;
while (!strbuf_getline_nul(&info, fp)) {
int lmode, rmode;
struct object_id loid, roid;
char status;
const char *src_path, *dst_path;
size_t src_path_len, dst_path_len;
if (starts_with(info.buf, "::"))
die(N_("combined diff formats('-c' and '--cc') are "
"not supported in\n"
"directory diff mode('-d' and '--dir-diff')."));
if (parse_index_info(info.buf, &lmode, &rmode, &loid, &roid,
&status))
break;
if (strbuf_getline_nul(&lpath, fp))
break;
src_path = lpath.buf;
src_path_len = lpath.len;
i++;
if (status != 'C' && status != 'R') {
dst_path = src_path;
dst_path_len = src_path_len;
} else {
if (strbuf_getline_nul(&rpath, fp))
break;
dst_path = rpath.buf;
dst_path_len = rpath.len;
}
if (S_ISGITLINK(lmode) || S_ISGITLINK(rmode)) {
strbuf_reset(&buf);
strbuf_addf(&buf, "Subproject commit %s",
oid_to_hex(&loid));
add_left_or_right(&submodules, src_path, buf.buf, 0);
strbuf_reset(&buf);
strbuf_addf(&buf, "Subproject commit %s",
oid_to_hex(&roid));
if (!oidcmp(&loid, &roid))
strbuf_addstr(&buf, "-dirty");
add_left_or_right(&submodules, dst_path, buf.buf, 1);
continue;
}
if (S_ISLNK(lmode)) {
char *content = read_sha1_file(loid.hash, &type, &size);
add_left_or_right(&symlinks2, src_path, content, 0);
free(content);
}
if (S_ISLNK(rmode)) {
char *content = read_sha1_file(roid.hash, &type, &size);
add_left_or_right(&symlinks2, dst_path, content, 1);
free(content);
}
if (lmode && status != 'C') {
ce->ce_mode = lmode;
oidcpy(&ce->oid, &loid);
strcpy(ce->name, src_path);
ce->ce_namelen = src_path_len;
if (checkout_entry(ce, &lstate, NULL))
return error("could not write '%s'", src_path);
}
if (rmode) {
struct working_tree_entry *entry;
/* Avoid duplicate working_tree entries */
FLEX_ALLOC_STR(entry, path, dst_path);
hashmap_entry_init(entry, strhash(dst_path));
if (hashmap_get(&working_tree_dups, entry, NULL)) {
free(entry);
continue;
}
hashmap_add(&working_tree_dups, entry);
if (!use_wt_file(workdir, dst_path, &roid)) {
ce->ce_mode = rmode;
oidcpy(&ce->oid, &roid);
strcpy(ce->name, dst_path);
ce->ce_namelen = dst_path_len;
if (checkout_entry(ce, &rstate, NULL))
return error("could not write '%s'",
dst_path);
} else if (!is_null_oid(&roid)) {
/*
* Changes in the working tree need special
* treatment since they are not part of the
* index.
*/
struct cache_entry *ce2 =
make_cache_entry(rmode, roid.hash,
dst_path, 0, 0);
ce_mode_from_stat(ce2, rmode);
add_index_entry(&wtindex, ce2,
ADD_CACHE_JUST_APPEND);
add_path(&wtdir, wtdir_len, dst_path);
add_path(&rdir, rdir_len, dst_path);
if (ensure_leading_directories(rdir.buf))
return error("could not create "
"directory for '%s'",
dst_path);
if (symlinks) {
if (symlink(wtdir.buf, rdir.buf)) {
ret = error_errno("could not symlink '%s' to '%s'", wtdir.buf, rdir.buf);
goto finish;
}
} else {
struct stat st;
if (stat(wtdir.buf, &st))
st.st_mode = 0644;
if (copy_file(rdir.buf, wtdir.buf,
st.st_mode)) {
ret = error("could not copy '%s' to '%s'", wtdir.buf, rdir.buf);
goto finish;
}
}
}
}
}
if (finish_command(&child)) {
ret = error("error occurred running diff --raw");
goto finish;
}
if (!i)
return 0;
/*
* Changes to submodules require special treatment.This loop writes a
* temporary file to both the left and right directories to show the
* change in the recorded SHA1 for the submodule.
*/
hashmap_iter_init(&submodules, &iter);
while ((entry = hashmap_iter_next(&iter))) {
if (*entry->left) {
add_path(&ldir, ldir_len, entry->path);
ensure_leading_directories(ldir.buf);
write_file(ldir.buf, "%s", entry->left);
}
if (*entry->right) {
add_path(&rdir, rdir_len, entry->path);
ensure_leading_directories(rdir.buf);
write_file(rdir.buf, "%s", entry->right);
}
}
/*
* Symbolic links require special treatment.The standard "git diff"
* shows only the link itself, not the contents of the link target.
* This loop replicates that behavior.
*/
hashmap_iter_init(&symlinks2, &iter);
while ((entry = hashmap_iter_next(&iter))) {
if (*entry->left) {
add_path(&ldir, ldir_len, entry->path);
ensure_leading_directories(ldir.buf);
write_file(ldir.buf, "%s", entry->left);
}
if (*entry->right) {
add_path(&rdir, rdir_len, entry->path);
ensure_leading_directories(rdir.buf);
write_file(rdir.buf, "%s", entry->right);
}
}
strbuf_release(&buf);
strbuf_setlen(&ldir, ldir_len);
helper_argv[1] = ldir.buf;
strbuf_setlen(&rdir, rdir_len);
helper_argv[2] = rdir.buf;
if (extcmd) {
helper_argv[0] = extcmd;
flags = 0;
} else
setenv("GIT_DIFFTOOL_DIRDIFF", "true", 1);
rc = run_command_v_opt(helper_argv, flags);
/*
* If the diff includes working copy files and those
* files were modified during the diff, then the changes
* should be copied back to the working tree.
* Do not copy back files when symlinks are used and the
* external tool did not replace the original link with a file.
*
* These hashes are loaded lazily since they aren't needed
* in the common case of --symlinks and the difftool updating
* files through the symlink.
*/
hashmap_init(&wt_modified, (hashmap_cmp_fn)path_entry_cmp,
wtindex.cache_nr);
hashmap_init(&tmp_modified, (hashmap_cmp_fn)path_entry_cmp,
wtindex.cache_nr);
for (i = 0; i < wtindex.cache_nr; i++) {
struct hashmap_entry dummy;
const char *name = wtindex.cache[i]->name;
struct stat st;
add_path(&rdir, rdir_len, name);
if (lstat(rdir.buf, &st))
continue;
if ((symlinks && S_ISLNK(st.st_mode)) || !S_ISREG(st.st_mode))
continue;
if (!indices_loaded) {
static struct lock_file lock;
strbuf_reset(&buf);
strbuf_addf(&buf, "%s/wtindex", tmpdir);
if (hold_lock_file_for_update(&lock, buf.buf, 0) < 0 ||
write_locked_index(&wtindex, &lock, COMMIT_LOCK)) {
ret = error("could not write %s", buf.buf);
rollback_lock_file(&lock);
goto finish;
}
changed_files(&wt_modified, buf.buf, workdir);
strbuf_setlen(&rdir, rdir_len);
changed_files(&tmp_modified, buf.buf, rdir.buf);
add_path(&rdir, rdir_len, name);
indices_loaded = 1;
}
hashmap_entry_init(&dummy, strhash(name));
if (hashmap_get(&tmp_modified, &dummy, name)) {
add_path(&wtdir, wtdir_len, name);
if (hashmap_get(&wt_modified, &dummy, name)) {
warning(_("both files modified: '%s' and '%s'."),
wtdir.buf, rdir.buf);
warning(_("working tree file has been left."));
warning("");
err = 1;
} else if (unlink(wtdir.buf) ||
copy_file(wtdir.buf, rdir.buf, st.st_mode))
warning_errno(_("could not copy '%s' to '%s'"),
rdir.buf, wtdir.buf);
}
}
if (err) {
warning(_("temporary files exist in '%s'."), tmpdir);
warning(_("you may want to cleanup or recover these."));
exit(1);
} else
exit_cleanup(tmpdir, rc);
finish:
free(ce);
strbuf_release(&ldir);
strbuf_release(&rdir);
strbuf_release(&wtdir);
strbuf_release(&buf);
return ret;
}
int run_diff_files(struct rev_info *revs, unsigned int option)
{
int entries, i;
int diff_unmerged_stage = revs->max_count;
unsigned ce_option = ((option & DIFF_RACY_IS_MODIFIED)
? CE_MATCH_RACY_IS_DIRTY : 0);
uint64_t start = getnanotime();
struct index_state *istate = revs->diffopt.repo->index;
diff_set_mnemonic_prefix(&revs->diffopt, "i/", "w/");
if (diff_unmerged_stage < 0)
diff_unmerged_stage = 2;
entries = istate->cache_nr;
for (i = 0; i < entries; i++) {
unsigned int oldmode, newmode;
struct cache_entry *ce = istate->cache[i];
int changed;
unsigned dirty_submodule = 0;
const struct object_id *old_oid, *new_oid;
if (diff_can_quit_early(&revs->diffopt))
break;
if (!ce_path_match(istate, ce, &revs->prune_data, NULL))
continue;
if (ce_stage(ce)) {
struct combine_diff_path *dpath;
struct diff_filepair *pair;
unsigned int wt_mode = 0;
int num_compare_stages = 0;
size_t path_len;
struct stat st;
path_len = ce_namelen(ce);
dpath = xmalloc(combine_diff_path_size(5, path_len));
dpath->path = (char *) &(dpath->parent[5]);
dpath->next = NULL;
memcpy(dpath->path, ce->name, path_len);
dpath->path[path_len] = '\0';
oidclr(&dpath->oid);
memset(&(dpath->parent[0]), 0,
sizeof(struct combine_diff_parent)*5);
changed = check_removed(ce, &st);
if (!changed)
wt_mode = ce_mode_from_stat(ce, st.st_mode);
else {
if (changed < 0) {
perror(ce->name);
continue;
}
wt_mode = 0;
}
dpath->mode = wt_mode;
while (i < entries) {
struct cache_entry *nce = istate->cache[i];
int stage;
if (strcmp(ce->name, nce->name))
break;
/* Stage #2 (ours) is the first parent,
* stage #3 (theirs) is the second.
*/
stage = ce_stage(nce);
if (2 <= stage) {
int mode = nce->ce_mode;
num_compare_stages++;
oidcpy(&dpath->parent[stage - 2].oid,
&nce->oid);
dpath->parent[stage-2].mode = ce_mode_from_stat(nce, mode);
dpath->parent[stage-2].status =
DIFF_STATUS_MODIFIED;
}
/* diff against the proper unmerged stage */
if (stage == diff_unmerged_stage)
ce = nce;
i++;
}
/*
* Compensate for loop update
*/
i--;
if (revs->combine_merges && num_compare_stages == 2) {
show_combined_diff(dpath, 2,
revs->dense_combined_merges,
revs);
free(dpath);
continue;
}
FREE_AND_NULL(dpath);
/*
* Show the diff for the 'ce' if we found the one
* from the desired stage.
*/
pair = diff_unmerge(&revs->diffopt, ce->name);
if (wt_mode)
pair->two->mode = wt_mode;
if (ce_stage(ce) != diff_unmerged_stage)
continue;
}
if (ce_uptodate(ce) || ce_skip_worktree(ce))
continue;
/* If CE_VALID is set, don't look at workdir for file removal */
if (ce->ce_flags & CE_VALID) {
changed = 0;
newmode = ce->ce_mode;
} else {
struct stat st;
changed = check_removed(ce, &st);
if (changed) {
if (changed < 0) {
perror(ce->name);
continue;
}
diff_addremove(&revs->diffopt, '-', ce->ce_mode,
&ce->oid,
!is_null_oid(&ce->oid),
ce->name, 0);
continue;
} else if (revs->diffopt.ita_invisible_in_index &&
ce_intent_to_add(ce)) {
diff_addremove(&revs->diffopt, '+', ce->ce_mode,
the_hash_algo->empty_tree, 0,
ce->name, 0);
continue;
}
changed = match_stat_with_submodule(&revs->diffopt, ce, &st,
ce_option, &dirty_submodule);
newmode = ce_mode_from_stat(ce, st.st_mode);
}
if (!changed && !dirty_submodule) {
ce_mark_uptodate(ce);
mark_fsmonitor_valid(ce);
if (!revs->diffopt.flags.find_copies_harder)
continue;
}
oldmode = ce->ce_mode;
old_oid = &ce->oid;
new_oid = changed ? &null_oid : &ce->oid;
diff_change(&revs->diffopt, oldmode, newmode,
old_oid, new_oid,
!is_null_oid(old_oid),
!is_null_oid(new_oid),
ce->name, 0, dirty_submodule);
}
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
trace_performance_since(start, "diff-files");
return 0;
}
