minpkg/core/mmm.nim
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import
std/[json,
os,
httpclient,
strutils,
logging
]
import
env
type
MinModuleManager* = object
registry: string
modules = %[]
globalDir: string
localDir: string
proc init*(MMM: var MinModuleManager) =
MMM.registry = MMMREGISTRY
MMM.globalDir = HOME / "mmm"
MMM.localDir = os.getCurrentDir() / "mmm"
var updatedLocal = 0
let mmmJson = MMM.globalDir / "mmm.json"
if not os.dirExists(MMM.globalDir):
os.createDir(MMM.globalDir)
if not os.dirExists(MMM.localDir):
os.createDir(MMM.localDir)
if os.fileExists(mmmJson):
try:
let data = parseFile(mmmJson)
updatedLocal = data["updated"].getInt
MMM.modules = data["modules"]
except CatchableError:
logging.debug getCurrentExceptionMsg()
error "Invalid local registry data ($#)" % [mmmJson]
let client = newHttpClient()
# Check remote data
var updatedRemote = 0
try:
logging.debug "Checking remote registry..."
updatedRemote = client.getContent(MMMREGISTRY & "/mmm.timestamp").parseInt
logging.debug "Remote registry timestamp retrieved."
except CatchableError:
logging.debug getCurrentExceptionMsg()
logging.warn "Unable to connect to remote registry ($#)" % [MMMREGISTRY]
if updatedRemote > updatedLocal:
logging.notice "Updating local module registry..."
try:
client.downloadFile(MMMREGISTRY & "/mmm.json", mmmJson)
except CatchableError:
logging.debug getCurrentExceptionMsg()
logging.warn "Unable to download remote registry data ($#)" % [MMMREGISTRY & "/mmm.json"]
try:
let data = parseFile(mmmJson)
MMM.modules = data["modules"]
except CatchableError:
logging.debug getCurrentExceptionMsg()
error "Invalid local registry data ($#)" % [mmmJson]
else:
logging.debug "Local registry up-to-date: $#" % [$updatedLocal]
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