refactor(scripts): Use go list and xargs for parallel installation (#56)

Author: obalunenko

scripts/install/vendored-tools.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -eu
 
@@ -11,8 +11,38 @@ echo "${SCRIPT_NAME} is running... "
 
 cd "${TOOLS_DIR}" || exit 1
 
-go generate -x -tags=tools
+function check_status() {
+  # first param is error message to print in case of error
+  if [ $? -ne 0 ]; then
+    if [ -n "$1" ]; then
+      echo "$1"
+    fi
 
-cd - || exit 1
+    # Exit 255 to pass signal to xargs to abort process with code 1, in other cases xargs will complete with 0.
+    exit 255
+  fi
+}
 
-echo "${SCRIPT_NAME} done."
+function install_dep() {
+  dep=$1
+
+  echo "[INFO]: Going to build ${dep}"
+
+  go install -mod=vendor "${dep}"
+
+  check_status "[FAIL]: build [${dep}] failed!"
+
+  echo "[SUCCESS]: build [${dep}] finished."
+}
+
+export -f install_dep
+export -f check_status
+
+function install_deps() {
+  tools_module="$(go list -m)"
+  
+  go list -f '{{ join .Imports "\n" }}' -tags="tools" "${tools_module}" |
+   xargs -n 1 -P 0 -I {} bash -c 'install_dep "$@"' _ {}
+}
+
+install_deps

tools/tools.go

@@ -3,28 +3,6 @@
 
 package tools
 
-//go:generate go clean
-
-//go:generate go install -mod=vendor github.com/axw/gocov/gocov
-
-//go:generate go install -mod=vendor github.com/golangci/golangci-lint/cmd/golangci-lint
-
-//go:generate go install -mod=vendor github.com/matm/gocov-html
-
-//go:generate go install -mod=vendor github.com/vasi-stripe/gogroup/cmd/gogroup
-
-//go:generate go install -mod=vendor golang.org/x/tools/cmd/cover
-
-//go:generate go install -mod=vendor github.com/mattn/goveralls
-
-//go:generate go install -mod=vendor github.com/obalunenko/coverbadger/cmd/coverbadger
-
-//go:generate go install -mod=vendor github.com/goreleaser/goreleaser
-
-//go:generate go install -mod=vendor gotest.tools/gotestsum
-
-//go:generate go install -mod=vendor golang.org/x/tools/cmd/stringer
-
 import (
 	_ "github.com/axw/gocov/gocov"
 	_ "github.com/golangci/golangci-lint/cmd/golangci-lint"