feat(config): make it so you can revert override of apps

Signed-off-by: Eric Bode <eric.bode@foundries.io>

subcommands/common_config.go

@@ -232,9 +232,19 @@ func SetUpdatesConfig(opts *SetUpdatesConfigOptions, reportedTag string, reporte
 		if reportedApps != nil {
 			fmt.Printf("Apps reported as installed on device: [%s]\n", strings.Join(reportedApps, ","))
 		}
-		fmt.Printf("Setting apps to [%s]\n", opts.UpdateApps)
-		sota.Set("pacman.docker_apps", opts.UpdateApps)
-		sota.Set("pacman.compose_apps", opts.UpdateApps)
+		if strings.TrimSpace(opts.UpdateApps) == "-" {
+			fmt.Printf("Setting apps to system default.\n")
+			if sota.Has("pacman.docker_apps") {
+				DieNotNil(sota.Delete("pacman.docker_apps"))
+			}
+			if sota.Has("pacman.compose_apps") {
+				DieNotNil(sota.Delete("pacman.compose_apps"))
+			}
+		} else {
+			fmt.Printf("Setting apps to [%s]\n", opts.UpdateApps)
+			sota.Set("pacman.docker_apps", opts.UpdateApps)
+			sota.Set("pacman.compose_apps", opts.UpdateApps)
+		}
 		changed = true
 	}
 	if opts.UpdateTag != "" && configuredTag != opts.UpdateTag {
@@ -245,8 +255,15 @@ func SetUpdatesConfig(opts *SetUpdatesConfigOptions, reportedTag string, reporte
 		if len(reportedTag) > 0 {
 			fmt.Printf("Tag reported by device: %s\n", reportedTag)
 		}
-		fmt.Printf("Setting tag to %s\n", opts.UpdateTag)
-		sota.Set("pacman.tags", opts.UpdateTag)
+		if strings.TrimSpace(opts.UpdateTag) == "-" {
+			fmt.Printf("Setting tag to system default.\n")
+			if sota.Has("pacman.tags") {
+				DieNotNil(sota.Delete("pacman.tags"))
+			}
+		} else {
+			fmt.Printf("Setting tag to %s\n", opts.UpdateTag)
+			sota.Set("pacman.tags", opts.UpdateTag)
+		}
 		changed = true
 	}
 

subcommands/config/updates.go

@@ -20,11 +20,31 @@ in a device group. When run without options, prints out the current configuratio
   # Make devices start taking updates from Targets tagged with "devel":
   fioctl config updates --group beta --tag devel
 
-  # Set the docker apps that devices will run:
+  # Set the Compose apps that devices will run:
   fioctl config updates --group beta --apps shellhttpd
 
-  # Set the docker apps and the tag for devices:
-  fioctl config updates --group beta --apps shellhttpd --tag master`,
+  # Set the Compose apps and the tag for devices:
+  fioctl config updates --group beta --apps shellhttpd --tag master
+
+	# There are two special characters: "," and "-"
+	# The following explains what happens if you provide a ","
+  # Set the Compose apps to none for devices, this will make the device run no apps:
+  fioctl config updates --apps ,
+
+  # The following explains what happens if you provide a "-"
+	# Set the Compose apps to preset-apps (all apps on most devices):
+	# 	The system will look in the following locations in order to get the complete config:
+       - /usr/lib/sota/conf.d/
+       - /var/sota/sota.toml
+       - /etc/sota/conf.d/
+  fioctl config updates --apps -
+
+  # Set the device tag to a preset-tag :
+	# 	The system will look in the following locations in order to get the complete config:
+       - /usr/lib/sota/conf.d/
+       - /var/sota/sota.toml
+       - /etc/sota/conf.d/
+  fioctl config updates --tag -`,
 	}
 	cmd.AddCommand(configUpdatesCmd)
 	configUpdatesCmd.Flags().StringP("group", "g", "", "Device group to use")

subcommands/devices/config_updates.go

@@ -21,12 +21,31 @@ currently configured and reporting.`,
   # Make a device start taking updates from Targets tagged with "devel"
   fioctl devices config updates <device> --tag devel
 
-  # Set the docker apps a device will run:
+  # Set the Compose apps a device will run:
   fioctl devices config updates <device> --apps shellhttpd
 
-  # Set the docker apps and the tag:
+  # Set the Compose apps and the tag:
   fioctl devices config updates <device> --apps shellhttpd --tag master
-`,
+
+	# There are two special characters: "," and "-"
+	# The following explains what happens if you provide a ","
+  # Set the Compose apps to none, meaning it will run no apps:
+  fioctl devices config updates <device> --apps ,
+
+  # The following explains what happens if you provide a "-"
+	# Set the Compose apps to preset-apps (all apps on most devices):
+	# 	The system will look in the following locations in order to get the complete config:
+       - /usr/lib/sota/conf.d/
+       - /var/sota/sota.toml
+       - /etc/sota/conf.d/
+  fioctl devices config updates <device> --apps -
+  
+  # Set the device tag to a preset-tag :
+	# 	The system will look in the following locations in order to get the complete config:
+       - /usr/lib/sota/conf.d/
+       - /var/sota/sota.toml
+       - /etc/sota/conf.d/
+  fioctl devices config updates <device> --tag -`,
 	}
 	configCmd.AddCommand(configUpdatesCmd)
 	configUpdatesCmd.Flags().StringP("tag", "", "", "Target tag for device to follow")