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#include "clar_libgit2.h"
#include "git2/sys/odb_backend.h"
#include "backend_helpers.h"
static int search_object(const fake_object **out, fake_backend *fake, const git_oid *oid, size_t len)
{
const fake_object *obj = fake->objects, *found = NULL;
while (obj && obj->oid) {
git_oid current_oid;
git_oid__fromstr(¤t_oid, obj->oid, GIT_OID_SHA1);
if (git_oid_ncmp(¤t_oid, oid, len) == 0) {
if (found)
return GIT_EAMBIGUOUS;
found = obj;
}
obj++;
}
if (found && out)
*out = found;
return found ? GIT_OK : GIT_ENOTFOUND;
}
static int fake_backend__exists(git_odb_backend *backend, const git_oid *oid)
{
fake_backend *fake;
fake = (fake_backend *)backend;
fake->exists_calls++;
return search_object(NULL, fake, oid, GIT_OID_SHA1_HEXSIZE) == GIT_OK;
}
static int fake_backend__exists_prefix(
git_oid *out, git_odb_backend *backend, const git_oid *oid, size_t len)
{
const fake_object *obj;
fake_backend *fake;
int error;
fake = (fake_backend *)backend;
fake->exists_prefix_calls++;
if ((error = search_object(&obj, fake, oid, len)) < 0)
return error;
if (out)
git_oid__fromstr(out, obj->oid, GIT_OID_SHA1);
return 0;
}
static int fake_backend__read(
void **buffer_p, size_t *len_p, git_object_t *type_p,
git_odb_backend *backend, const git_oid *oid)
{
const fake_object *obj;
fake_backend *fake;
int error;
fake = (fake_backend *)backend;
fake->read_calls++;
if ((error = search_object(&obj, fake, oid, GIT_OID_SHA1_HEXSIZE)) < 0)
return error;
*len_p = strlen(obj->content);
*buffer_p = git__strdup(obj->content);
*type_p = GIT_OBJECT_BLOB;
return 0;
}
static int fake_backend__read_header(
size_t *len_p, git_object_t *type_p,
git_odb_backend *backend, const git_oid *oid)
{
const fake_object *obj;
fake_backend *fake;
int error;
fake = (fake_backend *)backend;
fake->read_header_calls++;
if ((error = search_object(&obj, fake, oid, GIT_OID_SHA1_HEXSIZE)) < 0)
return error;
*len_p = strlen(obj->content);
*type_p = GIT_OBJECT_BLOB;
return 0;
}
static int fake_backend__read_prefix(
git_oid *out_oid, void **buffer_p, size_t *len_p, git_object_t *type_p,
git_odb_backend *backend, const git_oid *short_oid, size_t len)
{
const fake_object *obj;
fake_backend *fake;
int error;
fake = (fake_backend *)backend;
fake->read_prefix_calls++;
if ((error = search_object(&obj, fake, short_oid, len)) < 0)
return error;
git_oid__fromstr(out_oid, obj->oid, GIT_OID_SHA1);
*len_p = strlen(obj->content);
*buffer_p = git__strdup(obj->content);
*type_p = GIT_OBJECT_BLOB;
return 0;
}
static int fake_backend__refresh(git_odb_backend *backend)
{
fake_backend *fake;
fake = (fake_backend *)backend;
fake->refresh_calls++;
return 0;
}
static void fake_backend__free(git_odb_backend *_backend)
{
fake_backend *backend;
backend = (fake_backend *)_backend;
git__free(backend);
}
int build_fake_backend(
git_odb_backend **out,
const fake_object *objects,
bool support_refresh)
{
fake_backend *backend;
backend = git__calloc(1, sizeof(fake_backend));
GIT_ERROR_CHECK_ALLOC(backend);
backend->parent.version = GIT_ODB_BACKEND_VERSION;
backend->objects = objects;
backend->parent.read = fake_backend__read;
backend->parent.read_prefix = fake_backend__read_prefix;
backend->parent.read_header = fake_backend__read_header;
backend->parent.refresh = support_refresh ? fake_backend__refresh : NULL;
backend->parent.exists = fake_backend__exists;
backend->parent.exists_prefix = fake_backend__exists_prefix;
backend->parent.free = &fake_backend__free;
*out = (git_odb_backend *)backend;
return 0;
}
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