Add NixOS support, CHANGLOG and other changes#17

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phodina wants to merge 98 commits into

tinythings:masterfrom

Commits on Jan 26, 2026

Makefile: use machine type for uname
Petr Hodina
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kmodprobe: Handle missing module gracefuly
Petr Hodina
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Commits on Jan 28, 2026

cargo: use 'fn_params_layout' due to 'fn_args_layout' being deprecated
Petr Hodina
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microgen: Add kernel config validation
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microgen: Call kconfig validation during initramfs creation
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microgen: Validate better filesystems and block devices
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microhop: Add cmdline parser
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microhop: Support uuid, label and /dev as rootfs
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microhop: Adjust mounting of the rootfs to support cmdline arg, uuid and label.
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microhop: Add support for mounting rootfs with flags
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microhop: Add overlayfs support
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flake: Add nix definitions for microgen and microhop packages. Add also dev shell
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flake: Add lockfile for reproducible builds
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Commits on Feb 1, 2026

README: Add section about building using Nix
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git: Ignore the result symlink Nix creates
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nix: Add u-boot package
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nix: Add kernel package
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github: Add workflow to build the Nix packages
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CHANGELOG: Add list of all releases
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nixos: Add configuration file for microhop
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nixos: Add nixos rootfs configuration
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nixos: Create initramfs for nixos
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nixos: Add system configuration
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flake: Add nixos QEMU example boot flow
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asciinema: Add render of aarch64 boot in QEMU
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microgen: Handle case when there are no modules required for initramfs
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README: Add note how to launch the demo nixos QEMU image
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flake: Add Cachix mobile-nixos-next to provide binary substitutes
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microgen: Allow to pass list of firmware files
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microgen: kconfig: Remove unused get_value method
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microhop: Handle creation of mount points if they exist
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flake: Ensure the overlay image is cleaned up on exit
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microgen: Fix the name of commands for listing block devices and filesystems
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flake: Fix importing of kernel and u-boot configuration
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microgen: Fix messages in kernel config validation
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microgen: Fix messages in kernel config validation
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cargo: Use fork of kmoddep that fixes kernel module crash
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microgen: Check if len >=2
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flake: Lock hash for kmoddep for microhop
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cargo: update lock file
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flake: kmoddep update
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microgen: Add command to validate microhop.conf
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microhop: Print error to console if loading config fails
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microhop: Use info as default log level if invalid level is provided from config
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microhop: Handle the init args with proper error handling
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flake: Specify env path for microhop
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microgen: Use environment variable to specify path to microhop
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flake: Add microhop dependency to microgen (it embeds the binary to the generator)
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microhop: Make label case non-sensitive
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microhop: List block devices on failure
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microgen: Validate better filesystems and block devices
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microgen: Check embedded microhop is ELF file
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Commits on Feb 3, 2026

microhop: Mask arguments passed on cmdline by bootloader
Petr Hodina
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Commits on Feb 4, 2026

flake: Export only the microhop package - contains only microgen
Petr Hodina
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flake: Add bogus root cmdline and mask it in the example
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microgen: Preserve overlayfs configuration
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flake: Create corrupted ext4 to be repaired
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nixos: Add overlay configuration
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flake: Add static e2fsprogs dependency
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flake: Rename boot-overlayfs-musl to nixos-example
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cargo: Add feature fsck
Petr Hodina
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Commits on Feb 5, 2026

microgen: Embed fsck static binary
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microhop: fsck: add e2fsck wrapper and superblock-restore helpers
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microhop: Add command to run extern e2fsck
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microhop: Call run_external_e2fsck
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microhop: overlayfs: Setup overlayfs with fsck if available
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microhop: Setup overlay
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README: Update the microhop.conf example
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README: Add comments about latest features
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microhop: Print version based on Cargo.toml
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cargo: Bump version to 0.2.1
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cargo: lockfile
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microhop: Handle better masking command line arguments
Petr Hodina
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microhop: Don't print e2fsck output nor errors
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flake: Add git as dependency to embed the commit ID
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microgen: Get the git commit ID at build
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microgen: Embed the build commit ID and generation time to microhop.conf
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microhop: Print the metadata (commit ID and timestamp)
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cargo: Update lockfile
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microgen: Print the commit ID in command help
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flake: Read version from Cargo.toml and pass git revision
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microhop: Fix mounting of rootfs
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microhop: Move cmdline masking logging before disks
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syslib: fix the condition in the cleanup
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microhop: e2fsck fix invocation
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cargo: Add nixos feature
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microhop: Mount tmpfs on /run
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microhop: Init verification helper
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flake: Enable nixos feature for microhop
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microgen: List built-in features in the command help
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nixos: Add systemd example
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nixos: Enable kernel configs required by systemd
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flake: Add nixos system with systemd
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microhop: Create required mountpoints
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microhop: Move mountpoints to rootfs
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github: Fix the nix workflow
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Commits on Feb 7, 2026

Makefile: Fetch e2progfs from github
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Makefile: set env vars for paths to binaries
Petr Hodina
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