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76 lines
2.3 KiB
76 lines
2.3 KiB
13 years ago
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module.exports = loadPackageDefaults
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var path = require("path")
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, log = require("./log.js")
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, find = require("./find.js")
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, asyncMap = require("slide").asyncMap
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, npm = require("../npm.js")
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, fs = require("graceful-fs")
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function loadPackageDefaults (pkg, pkgDir, cb) {
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if (!pkg) return cb(new Error("no package to load defaults from!"))
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if (typeof pkgDir === "function") {
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cb = pkgDir
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pkgDir = path.join(npm.dir, pkg.name, pkg.version, "package")
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}
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if (!pkgDir) pkgDir = "."
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if (pkg._defaultsLoaded) return cb(null, pkg)
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pkg._defaultsLoaded = true
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asyncMap
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( [pkg]
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, function (pkg, cb) { log.verbose(pkg._id, "loadDefaults", cb) }
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, readDefaultBins(pkgDir)
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, readDefaultMans(pkgDir)
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, function (er) { cb(er, pkg) } )
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}
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function objectForEach (obj, fn) {
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Object.keys(obj).forEach(function (k) {
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fn(obj[k])
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})
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}
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function readDefaultMans (pkgDir) { return function (pkg, cb) {
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var man = pkg.directories && pkg.directories.man
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, manDir = path.join(pkgDir, man)
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if (pkg.man && !Array.isArray(pkg.man)) pkg.man = [pkg.man]
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if (pkg.man || !man) return cb(null, pkg)
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find(manDir, /\.[0-9]+(\.gz)?$/, function (er, filenames) {
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if (er) return cb(er)
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var cut = pkgDir === "." ? 0 : pkgDir.length + 1
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pkg.man = (filenames || []).map(function (filename) {
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return filename.substr(cut)
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}).filter(function (f) {
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return !f.match(/(^|\/)\./)
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})
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cb(null,pkg)
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})
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}}
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function readDefaultBins (pkgDir) { return function (pkg, cb) {
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var bin = pkg.directories && pkg.directories.bin
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if (pkg.bins) pkg.bin = pkg.bins, delete pkg.bins
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if (pkg.bin || !bin) return cb(null, pkg)
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log.verbose("linking default bins", pkg._id)
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var binDir = path.join(pkgDir, bin)
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pkg.bin = {}
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find(binDir, function (er, filenames) {
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if (er || !filenames || !filenames.length) return cb(er, pkg)
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var cut = pkgDir === "." ? 0 : pkgDir.length + 1
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, binCut = pkgDir === "." ? bin.length - 1 : binDir.length + 1
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filenames.filter(function (f) {
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return !f.substr(binCut).match(/(^|\/)\./)
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}).forEach(function (filename) {
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var key = filename.substr(binCut)
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.replace(/\.(js|node)$/, '')
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, val = filename.substr(cut)
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if (key.length && val.length) pkg.bin[key] = val
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})
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log.silly(pkg.bin, pkg._id+".bin")
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cb(null, pkg)
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})
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}}
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