ENH use central list for names/paths of filesystems

drawing/filesystem.lua

@@ -5,12 +5,14 @@ local geometry = require 'geometry'
 local pure = require 'pure'
 local impure = require 'impure'
 
-return function(paths)
+return function(pathspecs)
    local MODULE_Y = 170
    local SPACING = 20
    local BAR_PAD = 100
    local SEPARATOR_SPACING = 20
 
+   local paths, names = table.unpack(pure.unzip(pathspecs))
+
    -----------------------------------------------------------------------------
    -- header
 
@@ -49,7 +51,7 @@ return function(paths)
       BAR_Y,
       geometry.SECTION_WIDTH,
       BAR_PAD,
-      {'root', 'boot', 'home', 'data', 'dcache', 'tmpfs'},
+      names,
       SPACING,
       12,
       80

drawing/readwrite.lua

@@ -6,6 +6,7 @@ local sys = require 'sys'
 return function(update_freq, devices)
    local PLOT_SEC_BREAK = 20
    local PLOT_HEIGHT = 56
+   -- TODO currently this will find any block device
    local DEVICE_PATHS = sys.get_disk_paths(devices)
 
    local init_read_bytes, init_write_bytes = sys.get_total_disk_io(DEVICE_PATHS)

main.lua

@@ -37,7 +37,14 @@ function conky_start(update_interval)
    local update_freq = 1 / update_interval
    local devices = {'sda', 'nvme0n1'}
    local battery = 'BAT0'
-   local fs_paths = {'/', '/boot', '/home', '/mnt/data', '/mnt/dcache', "/tmp"}
+   local fs_paths = {
+      {'/', 'root'},
+      {'/boot', 'boot'},
+      {'/home', 'home'},
+      {'/mnt/data', 'data'},
+      {'/mnt/dcache', 'dcache'},
+      {'/tmp', 'tmpfs'}
+   }
 
    local mem = memory(update_freq)
    local rw = readwrite(update_freq, devices)