From b0d16c90711308fe084e22f9612928f397d6d0b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Jutteau?= <jerome.jutteau@outscale.com>
Date: Tue, 15 Mar 2022 16:51:49 +0100
Subject: [PATCH] cli: add config rm command
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Signed-off-by: Jérôme Jutteau <jerome.jutteau@outscale.com>
---
 cmd/frieza/cli_config.go | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/cmd/frieza/cli_config.go b/cmd/frieza/cli_config.go
index a560a9b..6beecc2 100644
--- a/cmd/frieza/cli_config.go
+++ b/cmd/frieza/cli_config.go
@@ -11,7 +11,8 @@ import (
 func cliConfig() cli.Command {
 	return cli.NewCommand("config", "configure frieza options").
 		WithCommand(cliConfigLs()).
-		WithCommand(cliConfigSet())
+		WithCommand(cliConfigSet()).
+		WithCommand(cliConfigRm())
 }
 
 func cliConfigLs() cli.Command {
@@ -35,6 +36,17 @@ func cliConfigSet() cli.Command {
 		})
 }
 
+func cliConfigRm() cli.Command {
+	return cli.NewCommand("remove", "delete a specific option (reset to default value)").
+		WithShortcut("rm").
+		WithOption(cliConfigPath()).
+		WithArg(cli.NewArg("option_name", "option's name to remove/unset")).
+		WithAction(func(args []string, options map[string]string) int {
+			configRm(options["config"], &args[0])
+			return 0
+		})
+}
+
 func configLs(customConfigPath string) {
 	var configPath *string
 	if len(customConfigPath) > 0 {
@@ -71,3 +83,23 @@ func configSet(customConfigPath string, optionName *string, optionValue *string)
 		log.Fatalf("Cannot save configuration file: %s", err.Error())
 	}
 }
+
+func configRm(customConfigPath string, optionName *string) {
+	var configPath *string
+	if len(customConfigPath) > 0 {
+		configPath = &customConfigPath
+	}
+	config, err := ConfigLoadWithDefault(configPath)
+	if err != nil {
+		log.Fatal("Cannot load configuration: " + err.Error())
+	}
+	switch *optionName {
+	case "snapshot_folder_path":
+		config.SnapshotFolderPath = ""
+	default:
+		log.Fatalf("Unknow option name")
+	}
+	if err = config.Write(configPath); err != nil {
+		log.Fatalf("Cannot save configuration file: %s", err.Error())
+	}
+}