nomad: update to 0.8.6.

Closes: #4935 [via git-merge-pr]

srcpkgs/nomad/template

@@ -1,14 +1,35 @@
 # Template file for 'nomad'
 pkgname=nomad
-version=0.8.4
-revision=2
+version=0.8.6
+revision=1
 build_style=go
 go_import_path="github.com/hashicorp/nomad"
+hostmakedepends="git govendor"
 short_desc="Cluster scheduler designed to easily integrate into existing workflows"
 maintainer="iaroki <iaroki@protonmail.com>"
 license="MPL-2.0"
 homepage="https://www.nomadproject.io/"
 distfiles="https://${go_import_path}/archive/v${version}.tar.gz"
-checksum=8dfacd578f2be1ae6cc7af6b2749952f1646344cb95bde17f35eeb78faacd616
+checksum=e69b447dcc2caeb3d5ecf904cf3c8f327a5185a84442ee4241a796d89f96e143
+patch_args="-Np1"
 
-broken="go-1.11/runtime.support_avx2"
+pre_build() {
+	# NOTE: This can probably be removed in nomad 0.9.x if Hashicorp updates
+	# their golang.org/x/crypto/blake2b dependency.
+	cd "$GOSRCPATH"
+	govendor fetch golang.org/x/sys/cpu@1b2967e3c290b7c545b3db0deeda16e9be4f98a2
+	govendor fetch golang.org/x/crypto/blake2b@de0752318171da717af4ce24d0a2e8626afaeb11
+	cd -
+}
+
+do_build() {
+	: ${go_package:=$go_import_path}
+	go build -o bin/nomad -x -tags "${go_build_tags}" -ldflags "${go_ldflags}" ${go_package}
+}
+
+do_install() {
+	vbin bin/nomad
+	vlicense LICENSE
+	vsconf dist/server.hcl
+	vsconf dist/client.hcl
+}