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| author | wucke13 <wucke13@gmail.com> | 2021-12-19 13:39:42 +0100 |
|---|---|---|
| committer | wucke13 <wucke13@gmail.com> | 2021-12-21 21:31:44 +0100 |
| commit | 121e2f7e1554794e7392427cf77e94ab9887871e (patch) | |
| tree | 83dbeb674f76007326554aa2d8bafa2cda057a40 /nixos/lib/make-ext4-fs.nix | |
| parent | d4a497382befcde76470e4ebb8f89062fe354c7d (diff) | |
honor sdImage.compressImage in intermediate build steps
Diffstat (limited to 'nixos/lib/make-ext4-fs.nix')
| -rw-r--r-- | nixos/lib/make-ext4-fs.nix | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/nixos/lib/make-ext4-fs.nix b/nixos/lib/make-ext4-fs.nix index 416beeb32f2fa..b8e1b8d24c48b 100644 --- a/nixos/lib/make-ext4-fs.nix +++ b/nixos/lib/make-ext4-fs.nix @@ -78,6 +78,15 @@ pkgs.stdenv.mkDerivation { # get rid of the unnecessary slack here--but see # https://github.com/NixOS/nixpkgs/issues/125121 for caveats. + # shrink to fit + resize2fs -M $img + + # Add 16 MebiByte to the current_size + new_size=$(dumpe2fs -h $img | awk -F: \ + '/Block count/{count=$2} /Block size/{size=$2} END{print (count*size+16*2**20)/size}') + + resize2fs $img $new_size + if [ ${builtins.toString compressImage} ]; then echo "Compressing image" zstd -v --no-progress ./$img -o $out |