Simplify packaging and improve scripts

Much better test now as well.

ci/build/build-packages.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Packages code-server for the current OS and architecture into ./release-packages.
+# This script assumes that a static release is built already into ./release-static.
+
+main() {
+  cd "$(dirname "${0}")/../.."
+  source ./ci/lib.sh
+
+  export VERSION
+  VERSION="$(pkg_json_version)"
+
+  local OS
+  OS="$(os)"
+
+  export ARCH
+  ARCH="$(arch)"
+
+  local archive_name="code-server-$VERSION-$OS-$ARCH"
+  mkdir -p release-packages
+
+  local ext
+  if [[ $OS == "linux" ]]; then
+    ext=".tar.gz"
+    tar -czf "release-packages/$archive_name$ext" --transform "s/^\.\/release-static/$archive_name/" ./release-static
+  else
+    mv ./release-static "./$archive_name"
+    ext=".zip"
+    zip -r "release-packages/$archive_name$ext" "./$archive_name"
+    mv "./$archive_name" ./release-static
+  fi
+
+  echo "done (release-packages/$archive_name)"
+
+  release_gcp
+
+  if [[ $OSTYPE == linux* ]]; then
+    release_nfpm
+  fi
+}
+
+release_gcp() {
+  mkdir -p "release-gcp/$VERSION"
+  cp "release-packages/$archive_name$ext" "./release-gcp/$VERSION/$OS-$ARCH$ext"
+  mkdir -p "release-gcp/latest"
+  cp "./release-packages/$archive_name$ext" "./release-gcp/latest/$OS-$ARCH$ext"
+}
+
+# Generates deb and rpm packages.
+release_nfpm() {
+  local nfpm_config
+  nfpm_config=$(envsubst < ./ci/build/nfpm.yaml)
+
+  nfpm pkg -f <(echo "$nfpm_config") --target release-packages/code-server-"$VERSION-$ARCH.deb"
+  nfpm pkg -f <(echo "$nfpm_config") --target release-packages/code-server-"$VERSION-$ARCH.rpm"
+}
+
+main "$@"