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/*-
* SPDX-License-Identifier: AGPL-3.0-only
* SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
*/
#include "x.h"
int cmd_tree_list_by_oid(git_repository *repo, struct bare_reader *reader, struct bare_writer *writer)
{
char hex[64] = { 0 };
if (bare_get_data(reader, (uint8_t *) hex, sizeof(hex) - 1) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
return -1;
}
git_oid oid;
if (git_oid_fromstr(&oid, hex) != 0) {
bare_put_uint(writer, 4);
return -1;
}
git_tree *tree = NULL;
if (git_tree_lookup(&tree, repo, &oid) != 0) {
bare_put_uint(writer, 4);
return -1;
}
size_t count = git_tree_entrycount(tree);
bare_put_uint(writer, 0);
bare_put_uint(writer, count);
for (size_t i = 0; i < count; i++) {
const git_tree_entry *e = git_tree_entry_byindex(tree, i);
const char *name = git_tree_entry_name(e);
uint32_t mode = git_tree_entry_filemode(e);
const git_oid *id = git_tree_entry_id(e);
bare_put_uint(writer, mode);
bare_put_data(writer, (const uint8_t *)name, strlen(name));
bare_put_data(writer, id->id, GIT_OID_RAWSZ);
}
git_tree_free(tree);
return 0;
}
int cmd_write_tree(git_repository *repo, struct bare_reader *reader, struct bare_writer *writer)
{
uint64_t count = 0;
if (bare_get_uint(reader, &count) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
return -1;
}
git_treebuilder *bld = NULL;
if (git_treebuilder_new(&bld, repo, NULL) != 0) {
bare_put_uint(writer, 15);
return -1;
}
for (uint64_t i = 0; i < count; i++) {
uint64_t mode = 0;
if (bare_get_uint(reader, &mode) != BARE_ERROR_NONE) {
git_treebuilder_free(bld);
bare_put_uint(writer, 11);
return -1;
}
char name[4096] = { 0 };
if (bare_get_data(reader, (uint8_t *) name, sizeof(name) - 1) != BARE_ERROR_NONE) {
git_treebuilder_free(bld);
bare_put_uint(writer, 11);
return -1;
}
uint8_t idraw[GIT_OID_RAWSZ] = { 0 };
if (bare_get_fixed_data(reader, idraw, GIT_OID_RAWSZ) != BARE_ERROR_NONE) {
git_treebuilder_free(bld);
bare_put_uint(writer, 11);
return -1;
}
git_oid id;
memcpy(id.id, idraw, GIT_OID_RAWSZ);
git_filemode_t fm = (git_filemode_t) mode;
if (git_treebuilder_insert(NULL, bld, name, &id, fm) != 0) {
git_treebuilder_free(bld);
bare_put_uint(writer, 15);
return -1;
}
}
git_oid out;
if (git_treebuilder_write(&out, bld) != 0) {
git_treebuilder_free(bld);
bare_put_uint(writer, 15);
return -1;
}
git_treebuilder_free(bld);
bare_put_uint(writer, 0);
bare_put_data(writer, out.id, GIT_OID_RAWSZ);
return 0;
}
int cmd_blob_write(git_repository *repo, struct bare_reader *reader, struct bare_writer *writer)
{
uint64_t sz = 0;
if (bare_get_uint(reader, &sz) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
return -1;
}
uint8_t *data = (uint8_t *) malloc(sz);
if (!data) {
bare_put_uint(writer, 15);
return -1;
}
if (bare_get_fixed_data(reader, data, sz) != BARE_ERROR_NONE) {
free(data);
bare_put_uint(writer, 11);
return -1;
}
git_oid oid;
if (git_blob_create_frombuffer(&oid, repo, data, sz) != 0) {
free(data);
bare_put_uint(writer, 15);
return -1;
}
free(data);
bare_put_uint(writer, 0);
bare_put_data(writer, oid.id, GIT_OID_RAWSZ);
return 0;
}
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