dkl apply-config --dry-run

src/bin/dkl.rs

@@ -24,6 +24,9 @@ enum Command {
         /// path prefix (aka chroot)
         #[arg(short = 'P', long, default_value = "/")]
         prefix: String,
+        /// don't really write files
+        #[arg(long)]
+        dry_run: bool,
     },
     Logger {
         /// Path where the logs are stored
@@ -97,9 +100,10 @@ async fn main() -> Result<()> {
             config,
             filters,
             prefix,
+            dry_run,
         } => {
             let filters = parse_globs(&filters)?;
-            apply_config(&config, &filters, &prefix).await
+            apply_config(&config, &filters, &prefix, dry_run).await
         }
         C::Logger {
             ref log_path,
@@ -156,7 +160,12 @@ async fn main() -> Result<()> {
     }
 }
 
-async fn apply_config(config_file: &str, filters: &[glob::Pattern], chroot: &str) -> Result<()> {
+async fn apply_config(
+    config_file: &str,
+    filters: &[glob::Pattern],
+    chroot: &str,
+    dry_run: bool,
+) -> Result<()> {
     let config = fs::read_to_string(config_file).await?;
     let config: dkl::Config = serde_yaml::from_str(&config)?;
 
@@ -168,7 +177,7 @@ async fn apply_config(config_file: &str, filters: &[glob::Pattern], chroot: &str
             .collect()
     };
 
-    dkl::apply::files(&files, chroot).await
+    dkl::apply::files(&files, chroot, dry_run).await
 }
 
 #[derive(Subcommand)]