Remove the dependency on libudev and its corresponding feature

.github/actions/setup-target/action.yml

@@ -50,17 +50,14 @@ runs:
           git \
           "libc6:${{ inputs.arch }}" \
           "libgcc-s1:${{ inputs.arch }}" \
-          libudev-dev \
-          "libudev-dev:${{ inputs.arch }}" \
-          "libudev1:${{ inputs.arch }}" \
           musl-tools \
           pkg-config
 
     - name: Install dependencies (x86_64 linux)
       if: inputs.target == 'x86_64-unknown-linux-gnu' || inputs.target == 'x86_64-unknown-linux-musl'
       shell: bash
       run: |
-        sudo apt-get update && sudo apt-get -y install musl-tools libudev-dev pkg-config
+        sudo apt-get update && sudo apt-get -y install musl-tools pkg-config
 
     - name: Set environment variables
       if: inputs.arch != 'x86_64'

.github/workflows/release.yml

@@ -41,7 +41,6 @@ jobs:
             arch: "x86_64"
     runs-on: ${{ matrix.platform.os }}
     steps:
-
       - uses: actions/checkout@v4
 
       - uses: ./.github/actions/package
@@ -51,12 +50,10 @@ jobs:
           target: ${{ matrix.platform.target }}
           runs_on: ${{ matrix.platform.os }}
 
-
   publish-cratesio:
     name: Publish to Crates.io
     runs-on: ubuntu-20.04
     steps:
-
       - uses: actions/checkout@v4
 
       - name: Install Rust toolchain
@@ -68,7 +65,7 @@ jobs:
         uses: Swatinem/rust-cache@v2
 
       - name: Install dependencies
-        run: sudo apt-get update && sudo apt-get install musl-tools libudev-dev
+        run: sudo apt-get update && sudo apt-get install musl-tools
 
       - name: Publish espflash
         run: |

CHANGELOG.md

@@ -12,11 +12,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 ### Fixed
+
 - Update the app image SHA in the correct location for padded images (#715)
 - Fix `-s` argument collision (#731)
 
 ### Removed
 
+- Removed the `libudev` feature (#742)
+
 ## [3.3.0] - 2025-01-13
 
 ### Added

cargo-espflash/README.md

@@ -25,16 +25,7 @@ Supports the **ESP32**, **ESP32-C2/C3/C6**, **ESP32-H2**, **ESP32-P4**, and **ES
 
 ## Installation
 
-If you are installing `cargo-espflash` from source (ie. using `cargo install`) then you must have `rustc>=1.76.0` installed on your system.
-
-If you are running **Linux** then [libudev] must also be installed; this is available via most popular package managers. If you are running **Windows** or **macOS** you can ignore this step.
-
-```bash
-# Debian/Ubuntu/etc.
-apt-get install libudev-dev
-# Fedora
-dnf install systemd-devel
-```
+If you are installing `cargo-espflash` from source (ie. using `cargo install`) then you must have `rustc>=1.82.0` installed on your system.
 
 To install:
 
@@ -54,7 +45,6 @@ By default, in Unix systems, we use the [`vendored-openssl` Cargo feature] which
 OPENSSL_NO_VENDOR=1 cargo install cargo-espflash
 ```
 
-[libudev]: https://www.freedesktop.org/software/systemd/man/latest/libudev.html
 [cargo-binstall]: https://github.com/cargo-bins/cargo-binstall
 [releases]: https://github.com/esp-rs/espflash/releases
 [`vendored-openssl` Cargo feature]: https://github.com/rust-lang/cargo#compiling-from-source

espflash/Cargo.toml

@@ -47,7 +47,7 @@ miette          = "7.4.0"
 parse_int       = { version = "0.6.0", optional = true }
 regex           = { version = "1.11.1", optional = true }
 serde           = { version = "1.0.217", features = ["derive"] }
-serialport      = { version = "4.6.1", default-features = false, optional = true }
+serialport      = { version = "4.7.0", default-features = false, optional = true }
 sha2            = "0.10.8"
 slip-codec      = { version = "0.4.0", optional = true }
 strum           = { version = "0.26.3", features = ["derive"] }
@@ -60,8 +60,7 @@ xmas-elf        = "0.9.1"
 libc = "0.2.169"
 
 [features]
-default = ["cli", "libudev"]
-libudev = ["serialport?/libudev"]
+default = ["cli"]
 cli = [
     "dep:addr2line",
     "dep:clap",

espflash/README.md

@@ -27,16 +27,7 @@ Supports the **ESP32**, **ESP32-C2/C3/C6**, **ESP32-H2**, **ESP32-P4**, and **ES
 
 ## Installation
 
-If you are installing `espflash` from source (ie. using `cargo install`) then you must have `rustc>=1.76.0` installed on your system.
-
-If you are running **Linux** then [libudev] must also be installed; this is available via most popular package managers. If you are running **Windows** or **macOS** you can ignore this step.
-
-```bash
-# Debian/Ubuntu/etc.
-apt-get install libudev-dev
-# Fedora
-dnf install systemd-devel
-```
+If you are installing `espflash` from source (ie. using `cargo install`) then you must have `rustc>=1.82.0` installed on your system.
 
 To install:
 
@@ -50,7 +41,6 @@ Alternatively, you can use [cargo-binstall] to download pre-compiled artifacts f
 cargo binstall espflash
 ```
 
-[libudev]: https://www.freedesktop.org/software/systemd/man/latest/libudev.html
 [cargo-binstall]: https://github.com/cargo-bins/cargo-binstall
 [releases]: https://github.com/esp-rs/espflash/releases