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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_commit_tree_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, 14);
return -1;
}
git_commit *commit = NULL;
if (git_commit_lookup(&commit, repo, &oid) != 0) {
bare_put_uint(writer, 14);
return -1;
}
git_tree *tree = NULL;
if (git_commit_tree(&tree, commit) != 0) {
git_commit_free(commit);
bare_put_uint(writer, 14);
return -1;
}
const git_oid *toid = git_tree_id(tree);
bare_put_uint(writer, 0);
bare_put_data(writer, toid->id, GIT_OID_RAWSZ);
git_tree_free(tree);
git_commit_free(commit);
return 0;
}
int cmd_commit_create(git_repository *repo, struct bare_reader *reader, struct bare_writer *writer)
{
char treehex[64] = { 0 };
if (bare_get_data(reader, (uint8_t *) treehex, sizeof(treehex) - 1) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
return -1;
}
git_oid tree_oid;
if (git_oid_fromstr(&tree_oid, treehex) != 0) {
bare_put_uint(writer, 15);
return -1;
}
uint64_t pcnt = 0;
if (bare_get_uint(reader, &pcnt) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
return -1;
}
git_commit **parents = NULL;
if (pcnt > 0) {
parents = (git_commit **) calloc(pcnt, sizeof(git_commit *));
if (!parents) {
bare_put_uint(writer, 15);
return -1;
}
for (uint64_t i = 0; i < pcnt; i++) {
char phex[64] = { 0 };
if (bare_get_data(reader, (uint8_t *) phex, sizeof(phex) - 1) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
goto fail;
}
git_oid poid;
if (git_oid_fromstr(&poid, phex) != 0) {
bare_put_uint(writer, 15);
goto fail;
}
if (git_commit_lookup(&parents[i], repo, &poid) != 0) {
bare_put_uint(writer, 15);
goto fail;
}
}
}
char aname[512] = { 0 };
char aemail[512] = { 0 };
if (bare_get_data(reader, (uint8_t *) aname, sizeof(aname) - 1) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
goto fail;
}
if (bare_get_data(reader, (uint8_t *) aemail, sizeof(aemail) - 1) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
goto fail;
}
int64_t when = 0;
int64_t tzoff = 0;
if (bare_get_i64(reader, &when) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
goto fail;
}
if (bare_get_i64(reader, &tzoff) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
goto fail;
}
char *message = NULL;
{
uint64_t msz = 0;
if (bare_get_uint(reader, &msz) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
goto fail;
}
message = (char *)malloc(msz + 1);
if (!message) {
bare_put_uint(writer, 15);
goto fail;
}
if (bare_get_fixed_data(reader, (uint8_t *) message, msz) != BARE_ERROR_NONE) {
free(message);
bare_put_uint(writer, 11);
goto fail;
}
message[msz] = '\0';
}
git_signature *sig = NULL;
if (git_signature_new(&sig, aname, aemail, (git_time_t) when, (int)tzoff) != 0) {
free(message);
bare_put_uint(writer, 19);
goto fail;
}
git_tree *tree = NULL;
if (git_tree_lookup(&tree, repo, &tree_oid) != 0) {
git_signature_free(sig);
free(message);
bare_put_uint(writer, 19);
goto fail;
}
git_oid out;
int rc = git_commit_create(&out, repo, NULL, sig, sig, NULL, message, tree,
(int)pcnt, (const git_commit **)parents);
git_tree_free(tree);
git_signature_free(sig);
free(message);
if (rc != 0) {
bare_put_uint(writer, 19);
goto fail;
}
bare_put_uint(writer, 0);
bare_put_data(writer, out.id, GIT_OID_RAWSZ);
if (parents) {
for (uint64_t i = 0; i < pcnt; i++)
if (parents[i])
git_commit_free(parents[i]);
free(parents);
}
return 0;
fail:
if (parents) {
for (uint64_t i = 0; i < pcnt; i++)
if (parents[i])
git_commit_free(parents[i]);
free(parents);
}
return -1;
}
int cmd_update_ref(git_repository *repo, struct bare_reader *reader, struct bare_writer *writer)
{
char refname[4096] = { 0 };
char commithex[64] = { 0 };
if (bare_get_data(reader, (uint8_t *) refname, sizeof(refname) - 1) != BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
return -1;
}
if (bare_get_data(reader, (uint8_t *) commithex, sizeof(commithex) - 1)
!= BARE_ERROR_NONE) {
bare_put_uint(writer, 11);
return -1;
}
git_oid oid;
if (git_oid_fromstr(&oid, commithex) != 0) {
bare_put_uint(writer, 18);
return -1;
}
git_reference *out = NULL;
int rc = git_reference_create(&out, repo, refname, &oid, 1, NULL);
if (rc != 0) {
bare_put_uint(writer, 18);
return -1;
}
git_reference_free(out);
bare_put_uint(writer, 0);
return 0;
}
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