gboolean
_ostree_repo_static_delta_delete (OstreeRepo *self,
const char *delta_id,
GCancellable *cancellable,
GError **error)
{
g_autofree char *from = NULL;
g_autofree char *to = NULL;
if (!_ostree_parse_delta_name (delta_id, &from, &to, error))
return FALSE;
g_autofree char *deltadir = _ostree_get_relative_static_delta_path (from, to, NULL);
struct stat buf;
if (fstatat (self->repo_dir_fd, deltadir, &buf, 0) != 0)
{
if (errno == ENOENT)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
"Can't find delta %s", delta_id);
return FALSE;
}
else
return glnx_throw_errno_prefix (error, "fstatat(%s)", deltadir);
}
if (!glnx_shutil_rm_rf_at (self->repo_dir_fd, deltadir,
cancellable, error))
return FALSE;
return TRUE;
}
gboolean
_ostree_repo_static_delta_query_exists (OstreeRepo *self,
const char *delta_id,
gboolean *out_exists,
GCancellable *cancellable,
GError **error)
{
g_autofree char *from = NULL;
g_autofree char *to = NULL;
g_autofree char *superblock_path = NULL;
struct stat stbuf;
if (!_ostree_parse_delta_name (delta_id, &from, &to, error))
return FALSE;
superblock_path = _ostree_get_relative_static_delta_superblock_path (from, to);
if (fstatat (self->repo_dir_fd, superblock_path, &stbuf, 0) < 0)
{
if (errno == ENOENT)
{
*out_exists = FALSE;
return TRUE;
}
else
{
glnx_set_error_from_errno (error);
return FALSE;
}
}
*out_exists = TRUE;
return TRUE;
}
gboolean
_ostree_repo_static_delta_delete (OstreeRepo *self,
const char *delta_id,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
g_autofree char *from = NULL;
g_autofree char *to = NULL;
g_autofree char *deltadir = NULL;
struct stat buf;
_ostree_parse_delta_name (delta_id, &from, &to);
deltadir = _ostree_get_relative_static_delta_path (from, to, NULL);
if (fstatat (self->repo_dir_fd, deltadir, &buf, 0) != 0)
{
if (errno == ENOENT)
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
"Can't find delta %s", delta_id);
else
glnx_set_error_from_errno (error);
goto out;
}
if (!glnx_shutil_rm_rf_at (self->repo_dir_fd, deltadir,
cancellable, error))
goto out;
ret = TRUE;
out:
return ret;
}
gboolean
_ostree_repo_static_delta_dump (OstreeRepo *self,
const char *delta_id,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
g_autofree char *from = NULL;
g_autofree char *to = NULL;
g_autofree char *superblock_path = NULL;
g_autoptr(GVariant) delta_superblock = NULL;
guint64 total_size = 0, total_usize = 0;
guint64 total_fallback_size = 0, total_fallback_usize = 0;
guint i;
OstreeDeltaEndianness endianness;
gboolean swap_endian = FALSE;
if (!_ostree_parse_delta_name (delta_id, &from, &to, error))
goto out;
superblock_path = _ostree_get_relative_static_delta_superblock_path (from, to);
if (!ot_util_variant_map_at (self->repo_dir_fd, superblock_path,
(GVariantType*)OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT,
OT_VARIANT_MAP_TRUSTED, &delta_superblock, error))
goto out;
g_print ("Delta: %s\n", delta_id);
{ const char *endianness_description;
gboolean was_heuristic;
endianness = _ostree_delta_get_endianness (delta_superblock, &was_heuristic);
switch (endianness)
{
case OSTREE_DELTA_ENDIAN_BIG:
if (was_heuristic)
endianness_description = "big (heuristic)";
else
endianness_description = "big";
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
swap_endian = TRUE;
break;
case OSTREE_DELTA_ENDIAN_LITTLE:
if (was_heuristic)
endianness_description = "little (heuristic)";
else
endianness_description = "little";
if (G_BYTE_ORDER == G_BIG_ENDIAN)
swap_endian = TRUE;
break;
case OSTREE_DELTA_ENDIAN_INVALID:
endianness_description = "invalid";
break;
default:
g_assert_not_reached ();
}
g_print ("Endianness: %s\n", endianness_description);
}
{ guint64 ts;
g_variant_get_child (delta_superblock, 1, "t", &ts);
g_print ("Timestamp: %" G_GUINT64_FORMAT "\n", GUINT64_FROM_BE (ts));
}
{ g_autoptr(GVariant) recurse = NULL;
g_variant_get_child (delta_superblock, 5, "@ay", &recurse);
g_print ("Number of parents: %u\n", (guint)(g_variant_get_size (recurse) / (OSTREE_SHA256_DIGEST_LEN * 2)));
}
{ g_autoptr(GVariant) fallback = NULL;
guint n_fallback;
g_variant_get_child (delta_superblock, 7, "@a" OSTREE_STATIC_DELTA_FALLBACK_FORMAT, &fallback);
n_fallback = g_variant_n_children (fallback);
g_print ("Number of fallback entries: %u\n", n_fallback);
for (i = 0; i < n_fallback; i++)
{
guint64 size, usize;
g_autoptr(GVariant) checksum_v = NULL;
char checksum[OSTREE_SHA256_STRING_LEN+1];
g_variant_get_child (fallback, i, "(y@aytt)", NULL, &checksum_v, &size, &usize);
ostree_checksum_inplace_from_bytes (ostree_checksum_bytes_peek (checksum_v), checksum);
size = maybe_swap_endian_u64 (swap_endian, size);
usize = maybe_swap_endian_u64 (swap_endian, usize);
g_print (" %s\n", checksum);
total_fallback_size += size;
total_fallback_usize += usize;
}
{ g_autofree char *sizestr = g_format_size (total_fallback_size);
g_autofree char *usizestr = g_format_size (total_fallback_usize);
g_print ("Total Fallback Size: %" G_GUINT64_FORMAT " (%s)\n", total_fallback_size, sizestr);
g_print ("Total Fallback Uncompressed Size: %" G_GUINT64_FORMAT " (%s)\n", total_fallback_usize, usizestr);
}
}
{ g_autoptr(GVariant) meta_entries = NULL;
guint n_parts;
g_variant_get_child (delta_superblock, 6, "@a" OSTREE_STATIC_DELTA_META_ENTRY_FORMAT, &meta_entries);
n_parts = g_variant_n_children (meta_entries);
g_print ("Number of parts: %u\n", n_parts);
for (i = 0; i < n_parts; i++)
{
if (!show_one_part (self, swap_endian, from, to, meta_entries, i,
&total_size, &total_usize,
cancellable, error))
goto out;
}
}
{ g_autofree char *sizestr = g_format_size (total_size);
g_autofree char *usizestr = g_format_size (total_usize);
g_print ("Total Part Size: %" G_GUINT64_FORMAT " (%s)\n", total_size, sizestr);
g_print ("Total Part Uncompressed Size: %" G_GUINT64_FORMAT " (%s)\n", total_usize, usizestr);
}
{ guint64 overall_size = total_size + total_fallback_size;
guint64 overall_usize = total_usize + total_fallback_usize;
g_autofree char *sizestr = g_format_size (overall_size);
g_autofree char *usizestr = g_format_size (overall_usize);
g_print ("Total Size: %" G_GUINT64_FORMAT " (%s)\n", overall_size, sizestr);
g_print ("Total Uncompressed Size: %" G_GUINT64_FORMAT " (%s)\n", overall_usize, usizestr);
}
ret = TRUE;
out:
return ret;
}
