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/*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* In addition to the permissions in the GNU General Public License,
* the authors give you unlimited permission to link the compiled
* version of this file into combinations with other programs,
* and to distribute those combinations without any restriction
* coming from the use of this file. (The General Public License
* restrictions do apply in other respects; for example, they cover
* modification of the file, and distribution when not linked into
* a combined executable.)
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "common.h"
#include "test_helpers.h"
#include "fileops.h"
int write_object_data(char *file, void *data, size_t len)
{
git_file fd;
int ret;
if ((fd = p_creat(file, S_IREAD | S_IWRITE)) < 0)
return -1;
ret = p_write(fd, data, len);
p_close(fd);
return ret;
}
int write_object_files(const char *odb_dir, object_data *d)
{
if (p_mkdir(odb_dir, GIT_OBJECT_DIR_MODE) < 0) {
int err = errno;
fprintf(stderr, "can't make directory \"%s\"", odb_dir);
if (err == EEXIST)
fprintf(stderr, " (already exists)");
fprintf(stderr, "\n");
return -1;
}
if ((p_mkdir(d->dir, GIT_OBJECT_DIR_MODE) < 0) && (errno != EEXIST)) {
fprintf(stderr, "can't make object directory \"%s\"\n", d->dir);
return -1;
}
if (write_object_data(d->file, d->bytes, d->blen) < 0) {
fprintf(stderr, "can't write object file \"%s\"\n", d->file);
return -1;
}
return 0;
}
int remove_object_files(const char *odb_dir, object_data *d)
{
if (p_unlink(d->file) < 0) {
fprintf(stderr, "can't delete object file \"%s\"\n", d->file);
return -1;
}
if ((p_rmdir(d->dir) < 0) && (errno != ENOTEMPTY)) {
fprintf(stderr, "can't remove object directory \"%s\"\n", d->dir);
return -1;
}
if (p_rmdir(odb_dir) < 0) {
fprintf(stderr, "can't remove directory \"%s\"\n", odb_dir);
return -1;
}
return 0;
}
void locate_loose_object(const char *repository_folder, git_object *object, char **out, char **out_folder)
{
static const char *objects_folder = "objects/";
char *ptr, *full_path, *top_folder;
int path_length, objects_length;
assert(repository_folder && object);
objects_length = strlen(objects_folder);
path_length = strlen(repository_folder);
ptr = full_path = git__malloc(path_length + objects_length + GIT_OID_HEXSZ + 3);
strcpy(ptr, repository_folder);
strcpy(ptr + path_length, objects_folder);
ptr = top_folder = ptr + path_length + objects_length;
*ptr++ = '/';
git_oid_pathfmt(ptr, git_object_id(object));
ptr += GIT_OID_HEXSZ + 1;
*ptr = 0;
*out = full_path;
if (out_folder)
*out_folder = top_folder;
}
int loose_object_mode(const char *repository_folder, git_object *object)
{
char *object_path;
struct stat st;
locate_loose_object(repository_folder, object, &object_path, NULL);
if (p_stat(object_path, &st) < 0)
return 0;
free(object_path);
return st.st_mode;
}
int loose_object_dir_mode(const char *repository_folder, git_object *object)
{
char *object_path;
size_t pos;
struct stat st;
locate_loose_object(repository_folder, object, &object_path, NULL);
pos = strlen(object_path);
while (pos--) {
if (object_path[pos] == '/') {
object_path[pos] = 0;
break;
}
}
if (p_stat(object_path, &st) < 0)
return 0;
free(object_path);
return st.st_mode;
}
int remove_loose_object(const char *repository_folder, git_object *object)
{
char *full_path, *top_folder;
locate_loose_object(repository_folder, object, &full_path, &top_folder);
if (p_unlink(full_path) < 0) {
fprintf(stderr, "can't delete object file \"%s\"\n", full_path);
return -1;
}
*top_folder = 0;
if ((p_rmdir(full_path) < 0) && (errno != ENOTEMPTY)) {
fprintf(stderr, "can't remove object directory \"%s\"\n", full_path);
return -1;
}
git__free(full_path);
return GIT_SUCCESS;
}
int cmp_objects(git_rawobj *o, object_data *d)
{
if (o->type != git_object_string2type(d->type))
return -1;
if (o->len != d->dlen)
return -1;
if ((o->len > 0) && (memcmp(o->data, d->data, o->len) != 0))
return -1;
return 0;
}
int copy_file(const char *src, const char *dst)
{
git_fbuffer source_buf;
git_file dst_fd;
int error = GIT_ERROR;
if (git_futils_readbuffer(&source_buf, src) < GIT_SUCCESS)
return GIT_ENOTFOUND;
dst_fd = git_futils_creat_withpath(dst, 0777, 0666);
if (dst_fd < 0)
goto cleanup;
error = p_write(dst_fd, source_buf.data, source_buf.len);
cleanup:
git_futils_freebuffer(&source_buf);
p_close(dst_fd);
return error;
}
int cmp_files(const char *a, const char *b)
{
git_fbuffer buf_a, buf_b;
int error = GIT_ERROR;
if (git_futils_readbuffer(&buf_a, a) < GIT_SUCCESS)
return GIT_ERROR;
if (git_futils_readbuffer(&buf_b, b) < GIT_SUCCESS) {
git_futils_freebuffer(&buf_a);
return GIT_ERROR;
}
if (buf_a.len == buf_b.len && !memcmp(buf_a.data, buf_b.data, buf_a.len))
error = GIT_SUCCESS;
git_futils_freebuffer(&buf_a);
git_futils_freebuffer(&buf_b);
return error;
}
typedef struct {
git_buf src;
size_t src_baselen;
git_buf dst;
size_t dst_baselen;
} copydir_data;
static int copy_filesystem_element_recurs(void *_data, git_buf *source)
{
copydir_data *data = (copydir_data *)_data;
git_buf_truncate(&data->dst, data->dst_baselen);
git_buf_puts(&data->dst, source->ptr + data->src_baselen);
if (git_path_isdir(source->ptr) == GIT_SUCCESS)
return git_path_direach(source, copy_filesystem_element_recurs, _data);
else
return copy_file(source->ptr, data->dst.ptr);
}
int copydir_recurs(
const char *source_directory_path,
const char *destination_directory_path)
{
int error;
copydir_data data = { GIT_BUF_INIT, 0, GIT_BUF_INIT, 0 };
/* Source has to exist, Destination hast to _not_ exist */
if (git_path_isdir(source_directory_path) != GIT_SUCCESS ||
git_path_isdir(destination_directory_path) == GIT_SUCCESS)
return GIT_EINVALIDPATH;
git_buf_joinpath(&data.src, source_directory_path, "");
data.src_baselen = data.src.size;
git_buf_joinpath(&data.dst, destination_directory_path, "");
data.dst_baselen = data.dst.size;
error = copy_filesystem_element_recurs(&data, &data.src);
git_buf_free(&data.src);
git_buf_free(&data.dst);
return error;
}
int open_temp_repo(git_repository **repo, const char *path)
{
int error;
if ((error = copydir_recurs(path, TEMP_REPO_FOLDER)) < GIT_SUCCESS)
return error;
return git_repository_open(repo, TEMP_REPO_FOLDER);
}
void close_temp_repo(git_repository *repo)
{
git_repository_free(repo);
if (git_futils_rmdir_r(TEMP_REPO_FOLDER, 1) < GIT_SUCCESS) {
printf("\nFailed to remove temporary folder. Aborting test suite.\n");
exit(-1);
}
}
typedef struct {
const char *filename;
size_t filename_len;
} remove_data;
static int remove_placeholders_recurs(void *_data, git_buf *path)
{
remove_data *data = (remove_data *)_data;
size_t pathlen;
if (!git_path_isdir(path->ptr))
return git_path_direach(path, remove_placeholders_recurs, data);
pathlen = path->size;
if (pathlen < data->filename_len)
return GIT_SUCCESS;
/* if path ends in '/'+filename (or equals filename) */
if (!strcmp(data->filename, path->ptr + pathlen - data->filename_len) &&
(pathlen == data->filename_len ||
path->ptr[pathlen - data->filename_len - 1] == '/'))
return p_unlink(path->ptr);
return GIT_SUCCESS;
}
int remove_placeholders(const char *directory_path, const char *filename)
{
int error;
remove_data data;
git_buf buffer = GIT_BUF_INIT;
if (git_path_isdir(directory_path))
return GIT_EINVALIDPATH;
if ((error = git_buf_sets(&buffer, directory_path)) < GIT_SUCCESS)
return error;
data.filename = filename;
data.filename_len = strlen(filename);
error = remove_placeholders_recurs(&data, &buffer);
git_buf_free(&buffer);
return error;
}
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