feat: unit test

BUILD.bazel

@@ -10,6 +10,7 @@ gazelle(
     args = [
         "-from_file=go.mod",
         "-to_macro=go.bzl%deps",
+        "-prune",
     ],
     command = "update-repos",
 )

buildinfo/buildinfo.go

@@ -1,8 +1,13 @@
+/*
+Copyright © 2021 Aspect Build Systems Inc
+
+Not licensed for re-use.
+*/
+
 // Variables in this file will be replaced by the linker when Bazel is run with --stamp
 // The time should be in format '2018-12-12 12:30:00 UTC'
 // The GitStatus should be either "clean" or "dirty"
 // Release will be a comma-separated string representation of any tags.
-
 package buildinfo
 
 // BuildTime is a string representation of when this binary was built.

cmd/aspect/BUILD.bazel

@@ -2,10 +2,21 @@ load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
 
 go_library(
     name = "aspect_lib",
-    srcs = ["main.go"],
+    srcs = [
+        "main.go",
+        "root.go",
+    ],
     importpath = "aspect.build/cli/cmd/aspect",
     visibility = ["//visibility:private"],
-    deps = ["//cmd"],
+    deps = [
+        "//cmd/aspect/version",
+        "//pkg/ioutils",
+        "@com_github_fatih_color//:color",
+        "@com_github_mattn_go_isatty//:go-isatty",
+        "@com_github_mitchellh_go_homedir//:go-homedir",
+        "@com_github_spf13_cobra//:cobra",
+        "@com_github_spf13_viper//:viper",
+    ],
 )
 
 go_binary(

cmd/aspect/main.go

@@ -1,6 +1,12 @@
+/*
+Copyright © 2021 Aspect Build Systems Inc
+
+Not licensed for re-use.
+*/
+
 package main
 
-import "aspect.build/cli/cmd"
+import "github.com/spf13/cobra"
 
 func main() {
 	// Detect whether we are being run as a tools/bazel wrapper (look for BAZEL_REAL in the environment)
@@ -14,5 +20,6 @@ func main() {
 	//     ask the user if they want to install for all users of the workspace, if so
 	//         - tools/bazel file and put our bootstrap code in there
 	//
-	cmd.Execute()
+	cmd := NewDefaultRootCmd()
+	cobra.CheckErr(cmd.Execute())
 }

cmd/aspect/root.go

@@ -0,0 +1,63 @@
+/*
+Copyright © 2021 Aspect Build Systems Inc
+
+Not licensed for re-use.
+*/
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/fatih/color"
+	"github.com/mattn/go-isatty"
+	"github.com/mitchellh/go-homedir"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+
+	"aspect.build/cli/cmd/aspect/version"
+	"aspect.build/cli/pkg/ioutils"
+)
+
+func NewDefaultRootCmd() *cobra.Command {
+	defaultInteractive := isatty.IsTerminal(os.Stdout.Fd()) || isatty.IsCygwinTerminal(os.Stdout.Fd())
+	return NewRootCmd(ioutils.DefaultStreams, defaultInteractive)
+}
+
+func NewRootCmd(streams ioutils.Streams, defaultInteractive bool) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "aspect",
+		Short: "Aspect.build bazel wrapper",
+		Long:  color.New(color.FgBlue).SprintFunc()(`Aspect CLI`) + ` is a better frontend for running bazel`,
+	}
+
+	// ### Flags
+	var cfgFile string
+	var interactive bool
+	cmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.aspect.yaml)")
+	cmd.PersistentFlags().BoolVar(&interactive, "interactive", defaultInteractive, "Interactive mode (e.g. prompts for user input)")
+
+	// ### Viper
+	if cfgFile != "" {
+		// Use config file from the flag.
+		viper.SetConfigFile(cfgFile)
+	} else {
+		// Find home directory.
+		home, err := homedir.Dir()
+		cobra.CheckErr(err)
+
+		// Search config in home directory with name ".aspect" (without extension).
+		viper.AddConfigPath(home)
+		viper.SetConfigName(".aspect")
+	}
+	viper.AutomaticEnv()
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Fprintln(streams.Stderr, "Using config file:", viper.ConfigFileUsed())
+	}
+
+	// ### Child commands
+	cmd.AddCommand(version.NewDefaultVersionCmd())
+
+	return cmd
+}

cmd/aspect/version/BUILD.bazel

@@ -0,0 +1,14 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "version",
+    srcs = ["version.go"],
+    importpath = "aspect.build/cli/cmd/aspect/version",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//buildinfo",
+        "//pkg/aspect/version",
+        "//pkg/ioutils",
+        "@com_github_spf13_cobra//:cobra",
+    ],
+)

cmd/aspect/version/version.go

@@ -0,0 +1,37 @@
+/*
+Copyright © 2021 Aspect Build Systems
+
+Not licensed for re-use
+*/
+
+package version
+
+import (
+	"github.com/spf13/cobra"
+
+	"aspect.build/cli/buildinfo"
+	"aspect.build/cli/pkg/aspect/version"
+	"aspect.build/cli/pkg/ioutils"
+)
+
+func NewDefaultVersionCmd() *cobra.Command {
+	return NewVersionCmd(ioutils.DefaultStreams)
+}
+
+func NewVersionCmd(streams ioutils.Streams) *cobra.Command {
+	v := version.New(streams)
+
+	v.BuildinfoRelease = buildinfo.Release
+	v.BuildinfoGitStatus = buildinfo.GitStatus
+
+	cmd := &cobra.Command{
+		Use:   "version",
+		Short: "Print the version of aspect CLI as well as tools it invokes",
+		Long:  `Prints version info on colon-separated lines, just like bazel does`,
+		RunE:  v.Run,
+	}
+
+	cmd.PersistentFlags().BoolVarP(&v.GNUFormat, "gnu_format", "", false, "format help following GNU convention")
+
+	return cmd
+}