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// fetch the data
// modify to remove the version in question
// If no versions remaining, then DELETE
// else, PUT the modified data
// delete the tarball
module.exports = unpublish
var semver = require("semver")
, url = require("url")
, chain = require("slide").chain
function unpublish (name, ver, cb) {
if (typeof cb !== "function") cb = ver, ver = null
this.get(name, null, -1, true, function (er, data) {
if (er) {
this.log.info("unpublish", name+" not published")
return cb()
}
// remove all if no version specified
if (!ver) {
this.log.info("unpublish", "No version specified, removing all")
return this.request("DELETE", name+'/-rev/'+data._rev, cb)
}
var versions = data.versions || {}
, versionPublic = versions.hasOwnProperty(ver)
if (!versionPublic) {
this.log.info("unpublish", name+"@"+ver+" not published")
} else {
var dist = versions[ver].dist
this.log.verbose("unpublish", "removing attachments", dist)
}
delete versions[ver]
// if it was the only version, then delete the whole package.
if (!Object.keys(versions).length) {
this.log.info("unpublish", "No versions remain, removing entire package")
return this.request("DELETE", name+"/-rev/"+data._rev, cb)
}
if (!versionPublic) return cb()
var latestVer = data["dist-tags"].latest
for (var tag in data["dist-tags"]) {
if (data["dist-tags"][tag] === ver) delete data["dist-tags"][tag]
}
if (latestVer === ver) {
data["dist-tags"].latest =
Object.getOwnPropertyNames(versions).sort(semver.compareLoose).pop()
}
var rev = data._rev
delete data._revisions
delete data._attachments
var cb_ = detacher.call(this, data, dist, cb)
this.request("PUT", name+"/-rev/"+rev, data, function (er) {
if (er) {
this.log.error("unpublish", "Failed to update data")
}
cb_(er)
}.bind(this))
}.bind(this))
}
function detacher (data, dist, cb) {
return function (er) {
if (er) return cb(er)
this.get(data.name, function (er, data) {
if (er) return cb(er)
var tb = url.parse(dist.tarball)
detach.call(this, data, tb.pathname, data._rev, function (er) {
if (er || !dist.bin) return cb(er)
chain(Object.keys(dist.bin).map(function (bt) {
return function (cb) {
var d = dist.bin[bt]
detach.call(this, data, url.parse(d.tarball).pathname, null, cb)
}.bind(this)
}, this), cb)
}.bind(this))
}.bind(this))
}.bind(this)
}
function detach (data, path, rev, cb) {
if (rev) {
path += "/-rev/" + rev
this.log.info("detach", path)
return this.request("DELETE", path, cb)
}
this.get(data.name, function (er, data) {
rev = data._rev
if (!rev) return cb(new Error(
"No _rev found in "+data._id))
detach.call(this, data, path, rev, cb)
}.bind(this))
}
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