Add app descriptor check to save image

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Added
+- `save-image` now checks if the ELF contains the app descriptor (#920)
 
 ### Changed
 

cargo-espflash/src/main.rs

@@ -336,8 +336,7 @@ fn flash(args: FlashArgs, config: &Config) -> Result<()> {
     // Read the ELF data from the build path and load it to the target.
     let elf_data = fs::read(build_ctx.artifact_path.clone()).into_diagnostic()?;
 
-    // Check if the ELF contains the app descriptor, if required.
-    if args.flash_args.image.check_app_descriptor.unwrap_or(true) {
+    if args.flash_args.image.check_app_descriptor && args.format == ImageFormatKind::EspIdf {
         check_idf_bootloader(&elf_data)?;
     }
 
@@ -617,6 +616,10 @@ fn save_image(args: SaveImageArgs, config: &Config) -> Result<()> {
     let build_ctx = build(&args.build_args, &cargo_config, args.save_image_args.chip)?;
     let elf_data = fs::read(&build_ctx.artifact_path).into_diagnostic()?;
 
+    if args.save_image_args.image.check_app_descriptor && args.format == ImageFormatKind::EspIdf {
+        check_idf_bootloader(&elf_data)?;
+    }
+
     // Since we have no `Flasher` instance and as such cannot print the board
     // information, we will print whatever information we _do_ have.
     println!("Chip type:         {}", args.save_image_args.chip);

espflash/src/bin/espflash.rs

@@ -263,8 +263,7 @@ fn flash(args: FlashArgs, config: &Config) -> Result<()> {
     // Read the ELF data from the build path and load it to the target.
     let elf_data = fs::read(&args.image).into_diagnostic()?;
 
-    // Check if the ELF contains the app descriptor, if required.
-    if args.flash_args.image.check_app_descriptor.unwrap_or(true) {
+    if args.flash_args.image.check_app_descriptor && args.format == ImageFormatKind::EspIdf {
         check_idf_bootloader(&elf_data)?;
     }
 
@@ -344,6 +343,10 @@ fn save_image(args: SaveImageArgs, config: &Config) -> Result<()> {
         .into_diagnostic()
         .wrap_err_with(|| format!("Failed to open image {}", args.image.display()))?;
 
+    if args.save_image_args.image.check_app_descriptor && args.format == ImageFormatKind::EspIdf {
+        check_idf_bootloader(&elf_data)?;
+    }
+
     // Since we have no `Flasher` instance and as such cannot print the board
     // information, we will print whatever information we _do_ have.
     println!("Chip type:         {}", args.save_image_args.chip);

espflash/src/cli/mod.rs

@@ -259,7 +259,7 @@ pub struct ImageArgs {
     pub mmu_page_size: Option<u32>,
     /// Flag to check the app descriptor in bootloader
     #[arg(long, default_value = "true", value_parser = clap::value_parser!(bool))]
-    pub check_app_descriptor: Option<bool>,
+    pub check_app_descriptor: bool,
 }
 
 /// ESP-IDF image format arguments