feat: add args to snapcraft commands

config/config.go

@@ -206,6 +206,7 @@ type Sign struct {
 type SnapcraftAppMetadata struct {
 	Plugs  []string
 	Daemon string
+	Args   string
 }
 
 // Snapcraft config

pipeline/snapcraft/snapcraft.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strings"
 
 	"github.com/apex/log"
 	"golang.org/x/sync/errgroup"
@@ -153,6 +154,10 @@ func create(ctx *context.Context, arch string, binaries []artifact.Artifact) err
 		if configAppMetadata, ok := ctx.Config.Snapcraft.Apps[binary.Name]; ok {
 			appMetadata.Plugs = configAppMetadata.Plugs
 			appMetadata.Daemon = configAppMetadata.Daemon
+			appMetadata.Command = strings.Join([]string{
+				appMetadata.Command,
+				configAppMetadata.Args,
+			}, " ")
 		}
 		metadata.Apps[binary.Name] = appMetadata
 

pipeline/snapcraft/snapcraft_test.go

@@ -107,7 +107,7 @@ func TestRunPipeWithName(t *testing.T) {
 	assert.Equal(t, metadata.Name, "testsnapname")
 }
 
-func TestRunPipeWithPlugsAndDaemon(t *testing.T) {
+func TestRunPipeMetadata(t *testing.T) {
 	folder, err := ioutil.TempDir("", "archivetest")
 	assert.NoError(t, err)
 	var dist = filepath.Join(folder, "dist")
@@ -124,6 +124,7 @@ func TestRunPipeWithPlugsAndDaemon(t *testing.T) {
 				"mybin": {
 					Plugs:  []string{"home", "network"},
 					Daemon: "simple",
+					Args:   "--foo --bar",
 				},
 			},
 		},
@@ -138,6 +139,7 @@ func TestRunPipeWithPlugsAndDaemon(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, metadata.Apps["mybin"].Plugs, []string{"home", "network"})
 	assert.Equal(t, metadata.Apps["mybin"].Daemon, "simple")
+	assert.Equal(t, metadata.Apps["mybin"].Command, "mybin --foo --bar")
 }
 
 func TestNoSnapcraftInPath(t *testing.T) {

www/content/linux-packages.md

@@ -239,6 +239,10 @@ snapcraft:
       # If you want your app to be autostarted and to always run in the
       # background, you can make it a simple daemon.
       daemon: simple
+
+      # If you any to pass args to your binary, you can add them with the
+      # args option.
+      args: --foo
 ```
 
 Note that GoReleaser will not install `snapcraft` nor any of its dependencies