comparison mercurial/cext/revlog.c @ 47251:6bfa6c2c5f15

revlogv2: preserve the compression mode on disk

The value is still the same and still not treated, but now it exists one disk.

Differential Revision: https://phab.mercurial-scm.org/D10648

47250:4dca422d3907

	c_node_id = data + 32;

	if (self->format_version == format_v1) {
		sidedata_offset = 0;
		sidedata_comp_len = 0;
	} else {
		sidedata_offset = getbe64(data + 64);
		sidedata_comp_len = getbe32(data + 72);
	}

	data_comp_mode = comp_mode_inline;
	return Py_BuildValue(tuple_format, offset_flags, comp_len, uncomp_len,
	                     base_rev, link_rev, parent_1, parent_2, c_node_id,
	                     self->nodelen, sidedata_offset, sidedata_comp_len,
	                     data_comp_mode);
}

	if (c_node_id_len != self->nodelen) {
		PyErr_SetString(PyExc_TypeError, "invalid node");
		return NULL;
	}
	if (data_comp_mode != comp_mode_inline) {
		PyErr_Format(PyExc_ValueError,
		             "invalid data compression mode: %i",
		             data_comp_mode);
		return NULL;
	}

	/* Padding since SHA-1 is only 20 bytes for now */
	memset(data + 32 + c_node_id_len, 0, 32 - c_node_id_len);
	if (self->format_version == format_v2) {
		putbe64(sidedata_offset, data + 64);
		putbe32(sidedata_comp_len, data + 72);
		/* Padding for 96 bytes alignment */
		memset(data + 76, 0, self->entry_size - 76);
	}

	if (self->ntinitialized)
		nt_insert(&self->nt, c_node_id, rev);

47251:6bfa6c2c5f15

	c_node_id = data + 32;

	if (self->format_version == format_v1) {
		sidedata_offset = 0;
		sidedata_comp_len = 0;
		data_comp_mode = comp_mode_inline;
	} else {
		sidedata_offset = getbe64(data + 64);
		sidedata_comp_len = getbe32(data + 72);
		data_comp_mode = data[76];
	}

	return Py_BuildValue(tuple_format, offset_flags, comp_len, uncomp_len,
	                     base_rev, link_rev, parent_1, parent_2, c_node_id,
	                     self->nodelen, sidedata_offset, sidedata_comp_len,
	                     data_comp_mode);
}

	if (c_node_id_len != self->nodelen) {
		PyErr_SetString(PyExc_TypeError, "invalid node");
		return NULL;
	}
	if (self->format_version == format_v1 &&
	    data_comp_mode != comp_mode_inline) {
		PyErr_Format(PyExc_ValueError,
		             "invalid data compression mode: %i",
		             data_comp_mode);
		return NULL;
	}

	/* Padding since SHA-1 is only 20 bytes for now */
	memset(data + 32 + c_node_id_len, 0, 32 - c_node_id_len);
	if (self->format_version == format_v2) {
		putbe64(sidedata_offset, data + 64);
		putbe32(sidedata_comp_len, data + 72);
		data[76] = (char)data_comp_mode;
		/* Padding for 96 bytes alignment */
		memset(data + 77, 0, self->entry_size - 77);
	}

	if (self->ntinitialized)
		nt_insert(&self->nt, c_node_id, rev);