main/aports-build: also publish hostname with build error

main/aports-build/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=aports-build
 pkgver=1.0
-pkgrel=1
+pkgrel=2
 pkgdesc="MQTT based build-on-git-push scripts for Alpine Linux"
 url="http://alpinelinux.org"
 arch="noarch"
@@ -52,12 +52,12 @@ package() {
 md5sums="97aa48d5026684e77c4529c7622370a6  aports-build
 cb4807ea64c4368487786217db087bac  aports-build.initd
 c02d90b2bb0c48e416b707caa8766c50  mqtt-exec.aports-build.confd
-48c17c44513c6ed46041358101e7ac22  report-build-errors.lua"
+99bc8c6c791e1fcbd0b3590278940ccd  report-build-errors.lua"
 sha256sums="414adee6f0a5c83c8b37d995fee36a7a8787eaab7bdc986fd512977f3412e16c  aports-build
 3e2d551f72273f37290db342a153abd377397483677a684645d22df7b8a8592f  aports-build.initd
 7d2001688c3776ffb53c422dee424bcf0346ae20f3df5c6c2f4944022b19cb4d  mqtt-exec.aports-build.confd
-cf991d176fc555dc909c1cd0d3e817d5b567016c4a8a304860c37eeebe83b6ff  report-build-errors.lua"
+77c3537e7ce908543a0bb6caa6ea87d056e88d25a950ed2173f0e1213d1dfc98  report-build-errors.lua"
 sha512sums="5f30f736e31e04c7718ad5e44c02d8abf47c31baabd38c98bef8fe1e02444ceb49375151707e255c72a28e370c4e67d7a11f14555689b20a5a4e736cbe9c4fb4  aports-build
 821035bda47152c341ec94bf960fa67e3377051826712ceb74f39103e6e422777b6e082231bfb87865653d2b93b7d3154cfc24abf65a52e3e66da69412dd7e41  aports-build.initd
 93d26e2055dbb02e863bf76b64a549c100decec3fda612ce96ca1464e6d61befa9f57f202553a25cf323e67e266f532d19c7423ff070943a59b3973946d949fe  mqtt-exec.aports-build.confd
-307bca323fd72433ba6200d61adab8fb0374833d68135a38c61b104a72f86761df7445cc3758a80c1786ebf154d946cd3982db0c442604b08161bfbe5b1c5448  report-build-errors.lua"
+3ee2c2f6244dc326ccb7706379c432053b8eef9639927c48301af934060f77f2cbcc6f04b6410fd5b7fdafacabe23b7f5eac33006a976f059c61baa7c9ef0af2  report-build-errors.lua"

main/aports-build/report-build-errors.lua

@@ -15,6 +15,7 @@ function m.postbuild(aport, success, repodest, arch, logfile)
 		local topic = ("build/%s/errors"):format(hostname)
 		local payload =	json.encode{
 			pkgname = aport.pkgname,
+			hostname = hostname,
 			logurl = ("%s/%s/%s-%s-r%s.log"):format(
 					urlprefix,
 					(string.match(aport.dir,"[^/]+/[^/]+$")),