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base repository: NixOS/nixpkgs-channels
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  • 4 commits
  • 1 file changed
  • 1 contributor

Commits on Jun 16, 2019

  1. nixos-generate-config: add support for bcache 

    Add "bcache" to boot.initrd.availableKernelModules if a bcache device is
detected.

This fixes a problem I've had one too many times: I install NixOS and
forget to add "bcache", resulting in an unbootable machine (until fixed
with Live CD). Now NixOS will do it for me.

(cherry picked from commit 4755811)
    @bjornfor
    bjornfor committed Jun 16, 2019
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  2. nixos-generate-config: don't generate swapDevices for *files* 

    Up until now, the output has been the same for swap devices and swap
files:

  { device = "/var/swapfile"; }

Whereas for swap *files* it's easier to manage them declaratively in
configuration.nix:

  { device = "/var/swapfile"; size = 8192; }

(NixOS will create the swapfile, and later resize it, if the size
attribute is changed.)

With the assumption that swap files are specified in configuration.nix,
it's silly to output them to hardware-configuration.nix.

(cherry picked from commit 9e45f6f)
    @bjornfor
    bjornfor committed Jun 16, 2019
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  3. nixos-generate-config: add dm-snapshot module if LVM is detected 

    Without this, the system becomes unbootable if the user creates a LVM
snapshot and reboots.

Fixes NixOS/nixpkgs#33646

(The same kind of problem was fixed in RHEL a few years back:
https://bugzilla.redhat.com/show_bug.cgi?id=1287940)

(cherry picked from commit 4213e48)
    @bjornfor
    bjornfor committed Jun 16, 2019
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  4. nixos-generate-config: don't emit tmpfs entry for /tmp 

    Because it most likely comes from the boot.tmpOnTmpfs option in
configuration.nix (managed declaratively).

(cherry picked from commit 8f551be)
    @bjornfor
    bjornfor committed Jun 16, 2019
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