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import
future, options, posix, re, sequtils, sets, strutils, tables,
utils
type
ColorMode* {.pure.} = enum
colorNever = "never",
colorAuto = "auto",
colorAlways = "always"
PreserveBuilt* {.pure.} = enum
internal = "Internal",
user = "User",
disabled = "Disabled"
CommonConfig* = object of RootObj
dbs*: seq[string]
arch*: string
debug*: bool
progressBar*: bool
verbosePkgList*: bool
pgpKeyserver*: Option[string]
ignorePkgs*: HashSet[string]
ignoreGroups*: HashSet[string]
PacmanConfig* = object of CommonConfig
rootOption*: Option[string]
dbOption*: Option[string]
cacheOption*: Option[string]
gpgOption*: Option[string]
colorMode*: ColorMode
Config* = object of CommonConfig
root*: string
db*: string
cache*: string
userCacheInitial*: string
userCacheCurrent*: string
tmpRootInitial*: string
tmpRootCurrent*: string
color*: bool
aurComments*: bool
checkIgnored*: bool
printAurNotFound*: bool
sudoExec*: bool
viewNoDefault*: bool
preserveBuilt*: PreserveBuilt
preBuildCommand*: Option[string]
proc readConfigFile*(configFile: string):
(OrderedTable[string, ref Table[string, string]], bool) =
var file: File
var table = initOrderedTable[string, ref Table[string, string]]()
var category: ref Table[string, string]
var currentCategory = ""
let wasError = if file.open(configFile):
try:
var matches: array[2, string]
while true:
let rawLine = readLine(file).strip(leading = false, trailing = true)
let commentIndex = rawLine.find('#')
let line = if commentIndex >= 0:
rawLine[0 .. commentIndex - 1].strip(leading = false, trailing = true)
else:
rawLine
if line.len > 0:
if line.match(re"\[(.*)\]", matches):
currentCategory = matches[0]
if table.hasKey(currentCategory):
category = table[currentCategory]
else:
category = newTable[string, string]()
table[currentCategory] = category
elif currentCategory.len > 0:
if line.match(re"\ *(\w+)\ *=\ *(.*)", matches):
category[].add(matches[0], matches[1])
else:
category[].add(line.strip(leading = true, trailing = false), "")
false
except EOFError:
false
except IOError:
true
finally:
file.close()
else:
true
(table, wasError)
proc ignored*(config: Config, name: string, groups: openArray[string]): bool =
name in config.ignorePkgs or (config.ignoreGroups * groups.toSet).len > 0
proc isRootDefault*(config: Config): bool =
config.root == "/"
proc get*(colorMode: ColorMode): bool =
case colorMode:
of ColorMode.colorNever: false
of ColorMode.colorAlways: true
of ColorMode.colorAuto: isatty(1) == 1
proc root*(config: PacmanConfig): string =
config.rootOption.get("/")
proc db*(config: PacmanConfig): string =
if config.dbOption.isSome:
config.dbOption.unsafeGet
else:
let root = config.root
let workRoot = if root == "/": "" else: root
workRoot & localStateDir & "/lib/pacman/"
proc cache*(config: PacmanConfig): string =
config.cacheOption.get(localStateDir & "/cache/pacman/pkg")
proc obtainConfig*(config: PacmanConfig): Config =
let (configTable, _) = readConfigFile(sysConfDir & "/pakku.conf")
let options = configTable.opt("options").map(t => t[]).get(initTable[string, string]())
let root = config.root
let db = config.db
let cache = config.cache
let color = config.colorMode.get
proc handleDirPattern(dirPattern: string, user: User): string =
dirPattern
.replace("${UID}", $user.uid)
.replace("${USER}", user.name)
.replace("${HOME}", user.home)
.replace("$$", "$")
proc obtainUserCacheDir(user: User): string =
options.opt("UserCacheDir").get("${HOME}/.cache/pakku").handleDirPattern(user)
proc obtainTmpDir(user: User): string =
options.opt("TmpDir").get("/tmp/pakku-${USER}").handleDirPattern(user)
let initialOrCurrentUser = initialUser.get(currentUser)
let userCacheInitial = obtainUserCacheDir(initialOrCurrentUser)
let userCacheCurrent = obtainUserCacheDir(currentUser)
let tmpRootInitial = obtainTmpDir(initialOrCurrentUser)
let tmpRootCurrent = obtainTmpDir(currentUser)
let aurComments = options.hasKey("AurComments")
let checkIgnored = options.hasKey("CheckIgnored")
let printAurNotFound = options.hasKey("PrintAurNotFound")
let sudoExec = options.hasKey("SudoExec")
let viewNoDefault = options.hasKey("ViewNoDefault")
let preserveBuilt = toSeq(enumerate[PreserveBuilt]())
.filter(o => some($o) == options.opt("PreserveBuilt"))
.optLast.get(PreserveBuilt.disabled)
let preBuildCommand = options.opt("PreBuildCommand")
Config(root: root, db: db, cache: cache,
userCacheInitial: userCacheInitial, userCacheCurrent: userCacheCurrent,
tmpRootInitial: tmpRootInitial, tmpRootCurrent: tmpRootCurrent, color: color,
dbs: config.dbs, arch: config.arch, debug: config.debug, progressBar: config.progressBar,
verbosePkgList: config.verbosePkgList, pgpKeyserver: config.pgpKeyserver,
ignorePkgs: config.ignorePkgs, ignoreGroups: config.ignoreGroups,
aurComments: aurComments, checkIgnored: checkIgnored, printAurNotFound: printAurNotFound,
sudoExec: sudoExec, viewNoDefault: viewNoDefault, preserveBuilt: preserveBuilt,
preBuildCommand: preBuildCommand)
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