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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]
defaultRoot*: bool
ignorePkgs*: HashSet[string]
ignoreGroups*: HashSet[string]
PacmanConfig* = object of CommonConfig
sysrootOption*: Option[string]
rootRelOption*: Option[string]
dbRelOption*: Option[string]
cacheRelOption*: Option[string]
gpgRelOption*: Option[string]
colorMode*: ColorMode
Config* = object of CommonConfig
root*: string
db*: string
cache*: string
userCacheInitial*: string
userCacheCurrent*: string
tmpRootInitial*: string
tmpRootCurrent*: string
color*: bool
aurRepo*: string
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 line = readLine(file).strip(leading = false, trailing = true)
if line.len > 0 and line[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 get*(colorMode: ColorMode): bool =
case colorMode:
of ColorMode.colorNever: false
of ColorMode.colorAlways: true
of ColorMode.colorAuto: isatty(1) == 1
proc pacmanRootRel*(config: PacmanConfig): string =
config.rootRelOption.get("/")
proc pacmanDbRel*(config: PacmanConfig): string =
if config.dbRelOption.isSome:
config.dbRelOption.unsafeGet
else:
let root = config.pacmanRootRel
let workRoot = if root == "/": "" else: root
workRoot & localStateDir & "/lib/pacman/"
proc pacmanCacheRel*(config: PacmanConfig): string =
config.cacheRelOption.get(localStateDir & "/cache/pacman/pkg")
proc simplifyConfigPath(path: string): string =
if path.find("//") >= 0:
simplifyConfigPath(path.replace("//", "/"))
else:
path
proc extendRel*(pathRel: string, sysroot: Option[string]): string =
sysroot.map(s => (s & "/" & pathRel).simplifyConfigPath).get(pathRel)
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.pacmanRootRel.extendRel(config.sysrootOption)
let db = config.pacmanDbRel.extendRel(config.sysrootOption)
let cache = config.pacmanCacheRel.extendRel(config.sysrootOption)
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-${USER}").handleDirPattern(user)
let initialOrCurrentUser = initialUser.get(currentUser)
let userCacheInitial = obtainUserCacheDir(initialOrCurrentUser)
let userCacheCurrent = obtainUserCacheDir(currentUser)
let tmpRootInitial = obtainTmpDir(initialOrCurrentUser)
let tmpRootCurrent = obtainTmpDir(currentUser)
let aurRepo = options.opt("AurRepo").get("aur")
let aurComments = options.hasKey("AurComments")
let checkIgnored = options.hasKey("CheckIgnored")
let printAurNotFound = options.hasKey("PrintAurNotFound")
let sudoExec = options.hasKey("SudoExec")
let viewNoDefault = options.hasKey("ViewNoDefault")
let preserveBuilt = toSeq(enumerate[PreserveBuilt]())
.filter(o => some($o) == options.opt("PreserveBuilt"))
.optLast.get(PreserveBuilt.disabled)
let preBuildCommand = options.opt("PreBuildCommand")
if config.dbs.find(aurRepo) >= 0:
raise commandError(tr"repo '$#' can not be used as fake AUR repository" % [aurRepo],
colorNeeded = some(color))
if aurRepo.find('/') >= 0:
raise commandError(trp("could not register '%s' database (%s)\n") %
[aurRepo, tra"wrong or NULL argument passed"], colorNeeded = some(color))
Config(dbs: config.dbs, arch: config.arch, debug: config.debug, progressBar: config.progressBar,
verbosePkgList: config.verbosePkgList, pgpKeyserver: config.pgpKeyserver,
defaultRoot: config.defaultRoot and config.sysrootOption.isNone,
ignorePkgs: config.ignorePkgs, ignoreGroups: config.ignoreGroups,
root: root, db: db, cache: cache, userCacheInitial: userCacheInitial,
userCacheCurrent: userCacheCurrent, tmpRootInitial: tmpRootInitial,
tmpRootCurrent: tmpRootCurrent, color: color, aurRepo: aurRepo, aurComments: aurComments,
checkIgnored: checkIgnored, printAurNotFound: printAurNotFound, sudoExec: sudoExec,
viewNoDefault: viewNoDefault, preserveBuilt: preserveBuilt, preBuildCommand: preBuildCommand)
template withAlpmConfig*(config: Config, passDbs: bool,
handle: untyped, alpmDbs: untyped, errors: untyped, body: untyped): untyped =
withAlpm(config.root, config.db, if passDbs: config.dbs else: @[], config.arch,
handle, alpmDbs, errors, body)
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