feat: snap restart-condition (#1837)

* feat: snap restart-condition

Signed-off-by: Carlos Alexandro Becker <caarlos0@gmail.com>

* docs: restart-condition

Signed-off-by: Carlos Alexandro Becker <caarlos0@gmail.com>

internal/pipe/snapcraft/snapcraft.go

@@ -49,10 +49,11 @@ type Metadata struct {
 
 // AppMetadata for the binaries that will be in the snap package.
 type AppMetadata struct {
-	Command   string
-	Plugs     []string `yaml:",omitempty"`
-	Daemon    string   `yaml:",omitempty"`
-	Completer string   `yaml:",omitempty"`
+	Command          string
+	Plugs            []string `yaml:",omitempty"`
+	Daemon           string   `yaml:",omitempty"`
+	Completer        string   `yaml:",omitempty"`
+	RestartCondition string   `yaml:"restart-condition,omitempty"`
 }
 
 const defaultNameTemplate = "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}{{ if .Mips }}_{{ .Mips }}{{ end }}"
@@ -255,8 +256,9 @@ func create(ctx *context.Context, snap config.Snapcraft, arch string, binaries [
 				command,
 				config.Args,
 			}, " ")),
-			Plugs:  config.Plugs,
-			Daemon: config.Daemon,
+			Plugs:            config.Plugs,
+			Daemon:           config.Daemon,
+			RestartCondition: config.RestartCondition,
 		}
 
 		if config.Completer != "" {

internal/pipe/snapcraft/snapcraft_test.go

@@ -202,9 +202,10 @@ func TestRunPipeMetadata(t *testing.T) {
 				Description:  "test description",
 				Apps: map[string]config.SnapcraftAppMetadata{
 					"mybin": {
-						Plugs:  []string{"home", "network", "personal-files"},
-						Daemon: "simple",
-						Args:   "--foo --bar",
+						Plugs:            []string{"home", "network", "personal-files"},
+						Daemon:           "simple",
+						Args:             "--foo --bar",
+						RestartCondition: "always",
 					},
 				},
 				Plugs: map[string]interface{}{
@@ -231,7 +232,8 @@ func TestRunPipeMetadata(t *testing.T) {
 	require.Equal(t, []string{"home", "network", "personal-files"}, metadata.Apps["mybin"].Plugs)
 	require.Equal(t, "simple", metadata.Apps["mybin"].Daemon)
 	require.Equal(t, "mybin --foo --bar", metadata.Apps["mybin"].Command)
-	require.Equal(t, map[interface{}]interface{}(map[interface{}]interface{}{"read": []interface{}{"$HOME/test"}}), metadata.Plugs["personal-files"])
+	require.Equal(t, map[interface{}]interface{}{"read": []interface{}{"$HOME/test"}}, metadata.Plugs["personal-files"])
+	require.Equal(t, "always", metadata.Apps["mybin"].RestartCondition)
 }
 
 func TestNoSnapcraftInPath(t *testing.T) {

pkg/config/config.go

@@ -353,11 +353,12 @@ type Sign struct {
 
 // SnapcraftAppMetadata for the binaries that will be in the snap package.
 type SnapcraftAppMetadata struct {
-	Plugs     []string
-	Daemon    string
-	Args      string
-	Completer string `yaml:",omitempty"`
-	Command   string `yaml:"command"`
+	Plugs            []string
+	Daemon           string
+	Args             string
+	Completer        string `yaml:",omitempty"`
+	Command          string `yaml:"command"`
+	RestartCondition string `yaml:"restart_condition,omitempty"`
 }
 
 // Snapcraft config.

www/docs/customization/snapcraft.md

@@ -128,6 +128,11 @@ snapcrafts:
         # Defaults is the app name.
         command: bin/drumroll.wrapper
 
+        # Restart condition of the snap.
+        # Defaults to empty.
+        # https://snapcraft.io/docs/snapcraft-yaml-reference
+        restart_condition: "always"
+
     # Allows plugs to be configured. Plugs like system-files and personal-files
     # require this.
     # Default is empty.