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Remove $NIXOS_LABEL and $NIXOS_VERSION

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Relying on environment variables to override configuration options is
ugly, and there is no reason for them.
This commit is contained in:
Eelco Dolstra 2016-07-28 18:10:17 +02:00
parent 0a1703ba27
commit 2a05368ff3
1 changed files with 4 additions and 19 deletions
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23
nixos/modules/misc/version.nix
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@ -35,23 +35,8 @@ in
nixosLabel = mkOption {
type = types.str;
description = ''
NixOS version name to be used in the names of generated
outputs and boot labels.
If you ever wanted to influence the labels in your GRUB menu,
this is option is for you.
Can be set directly or with <envar>NIXOS_LABEL</envar>
environment variable for <command>nixos-rebuild</command>,
e.g.:
<screen>
#!/bin/sh
today=`date +%Y%m%d`
branch=`(cd nixpkgs ; git branch 2>/dev/null | sed -n '/^\* / { s|^\* ||; p; }')`
revision=`(cd nixpkgs ; git rev-parse HEAD)`
export NIXOS_LABEL="$today.$branch-''${revision:0:7}"
nixos-rebuild switch</screen>
Label to be used in the names of generated outputs and boot
labels.
'';
};
@ -102,8 +87,8 @@ in
system = {
# These defaults are set here rather than up there so that
# changing them would not rebuild the manual
nixosLabel = mkDefault (maybeEnv "NIXOS_LABEL" cfg.nixosVersion);
nixosVersion = mkDefault (maybeEnv "NIXOS_VERSION" (cfg.nixosRelease + cfg.nixosVersionSuffix));
nixosLabel = mkDefault cfg.nixosVersion;
nixosVersion = mkDefault (cfg.nixosRelease + cfg.nixosVersionSuffix);
nixosRevision = mkIf (pathIsDirectory gitRepo) (mkDefault gitCommitId);
nixosVersionSuffix = mkIf (pathIsDirectory gitRepo) (mkDefault (".git." + gitCommitId));