feat(yae): dry-run flag

6 files changed, 20 insertions, 1 deletions

diff --git a/README.md b/README.md
index c941d90..1af60a3 100644
--- a/README.md
+++ b/README.md
@@ -200,6 +200,9 @@ COMMANDS:
 
 GLOBAL OPTIONS:
    --sources value  Sources path (default: "./yae.json")
+   --debug          Enable debug output (default: false)
+   --silent         Silence log output (default: false)
+   --dry-run        Prevents writing to disk (default: false)
    --help, -h       show help
 
 COPYRIGHT:
diff --git a/internal/commands/add.go b/internal/commands/add.go
index e32d07d..1b32533 100644
--- a/internal/commands/add.go
+++ b/internal/commands/add.go
@@ -107,6 +107,10 @@ func Add(sources *yae.Sources) func(c *cli.Context) error {
 			return err
 		}
 
+		if c.Bool("dry-run") {
+			return nil
+		}
+
 		return sources.Save(c.String("sources"))
 	}
 }
diff --git a/internal/commands/drop.go b/internal/commands/drop.go
index 58855df..f30afb6 100644
--- a/internal/commands/drop.go
+++ b/internal/commands/drop.go
@@ -19,6 +19,10 @@ func Drop(sources *yae.Sources) func(c *cli.Context) error {
 
 		sources.Drop(c.Args().Get(0))
 
+		if c.Bool("dry-run") {
+			return nil
+		}
+
 		return sources.Save(c.String("sources"))
 	}
 }
diff --git a/internal/commands/init.go b/internal/commands/init.go
index f38ec96..4d41553 100644
--- a/internal/commands/init.go
+++ b/internal/commands/init.go
@@ -14,6 +14,10 @@ func Init(sources *yae.Sources) func(c *cli.Context) error {
 			return fmt.Errorf("sources file already exists")
 		}
 
+		if c.Bool("dry-run") {
+			return nil
+		}
+
 		return sources.Save(c.String("sources"))
 	}
 }
diff --git a/internal/commands/update.go b/internal/commands/update.go
index b1ce17b..fa7e09f 100644
--- a/internal/commands/update.go
+++ b/internal/commands/update.go
@@ -53,7 +53,7 @@ func Update(sources *yae.Sources) func(c *cli.Context) error {
 			}
 		}
 
-		if len(updates) > 0 {
+		if len(updates) > 0 && !c.Bool("dry-run") {
 			if err := sources.Save(c.String("sources")); err != nil {
 				return err
 			}
diff --git a/yae.go b/yae.go
index d943555..c9e1c21 100644
--- a/yae.go
+++ b/yae.go
@@ -65,6 +65,10 @@ func main() {
 					return nil
 				},
 			},
+			&cli.BoolFlag{
+				Name:  "dry-run",
+				Usage: "Prevents writing to disk",
+			},
 		},
 		Copyright: fmt.Sprintf("Copyright (c) 2024-%s Fuwn", fmt.Sprint(time.Now().Year())),
 		ExitErrHandler: func(c *cli.Context, err error) {