static int bitflip_filter_apply(
git_filter *self,
void **payload,
git_buf *to,
const git_buf *from,
const git_filter_source *source)
{
const unsigned char *src = (const unsigned char *)from->ptr;
unsigned char *dst;
size_t i;
GIT_UNUSED(self); GIT_UNUSED(payload);
/* verify that attribute path match worked as expected */
cl_assert_equal_i(
0, git__strncmp("hero", git_filter_source_path(source), 4));
if (!from->size)
return 0;
cl_git_pass(git_buf_grow(to, from->size));
dst = (unsigned char *)to->ptr;
for (i = 0; i < from->size; i++)
dst[i] = VERY_SECURE_ENCRYPTION(src[i]);
to->size = from->size;
return 0;
}
int git_reference__read_head(
git_reference **out,
git_repository *repo,
const char *path)
{
git_buf reference = GIT_BUF_INIT;
char *name = NULL;
int error;
if ((error = git_futils_readbuffer(&reference, path)) < 0)
goto out;
git_buf_rtrim(&reference);
if (git__strncmp(reference.ptr, GIT_SYMREF, strlen(GIT_SYMREF)) == 0) {
git_buf_consume(&reference, reference.ptr + strlen(GIT_SYMREF));
name = git_path_basename(path);
if ((*out = git_reference__alloc_symbolic(name, reference.ptr)) == NULL) {
error = -1;
goto out;
}
} else {
if ((error = git_reference_lookup(out, repo, reference.ptr)) < 0)
goto out;
}
out:
git__free(name);
git_buf_free(&reference);
return error;
}
static int reverse_filter_apply(
git_filter *self,
void **payload,
git_buf *to,
const git_buf *from,
const git_filter_source *source)
{
const unsigned char *src = (const unsigned char *)from->ptr;
const unsigned char *end = src + from->size;
unsigned char *dst;
GIT_UNUSED(self); GIT_UNUSED(payload); GIT_UNUSED(source);
/* verify that attribute path match worked as expected */
cl_assert_equal_i(
0, git__strncmp("hero", git_filter_source_path(source), 4));
if (!from->size)
return 0;
cl_git_pass(git_buf_grow(to, from->size));
dst = (unsigned char *)to->ptr + from->size - 1;
while (src < end)
*dst-- = *src++;
to->size = from->size;
return 0;
}
static const char *rebase_onto_name(const git_annotated_commit *onto)
{
if (onto->ref_name && git__strncmp(onto->ref_name, "refs/heads/", 11) == 0)
return onto->ref_name + 11;
else if (onto->ref_name)
return onto->ref_name;
else
return onto->id_str;
}
