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nixos/modules/installer/cd-dvd/channel.nix: Handle null config.system.nixos.revision

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This commit is contained in:
Eelco Dolstra 2020-02-15 20:14:46 +01:00
parent bfb7ebf5df
commit a5f883e535
1 changed files with 3 additions and 1 deletions
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4
nixos/modules/installer/cd-dvd/channel.nix
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@ -21,7 +21,9 @@ let
if [ ! -e $out/nixos/nixpkgs ]; then
ln -s . $out/nixos/nixpkgs
fi
echo -n ${config.system.nixos.revision} > $out/nixos/.git-revision
${optionalString (config.system.nixos.revision != null) ''
echo -n ${config.system.nixos.revision} > $out/nixos/.git-revision
''}
echo -n ${config.system.nixos.versionSuffix} > $out/nixos/.version-suffix
echo ${config.system.nixos.versionSuffix} | sed -e s/pre// > $out/nixos/svn-revision
'';