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update-flake.sh: support Nix >= 2.19

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This commit is contained in:
Erik Arvstedt 2024-03-21 14:36:45 +01:00
parent 8ff709ebd7
commit 64e9998f72
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GPG Key ID: 33312B944DD97846
1 changed files with 16 additions and 2 deletions
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18
helper/update-flake.sh
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@ -39,8 +39,22 @@ if [[ $forceRun ]] && ! git diff --quiet ../flake.{nix,lock}; then
exit 1
fi
# Support Nix >2.18
{
versionGreaterThan() {
[[ $1 != $(echo -e "$1\n$2" | sort -V | head -n1) ]]
}
nixVersion=$(nix --version | cut -d\ -f 3)
if versionGreaterThan "$nixVersion" 2.18; then
# https://nixos.org/manual/nix/stable/release-notes/rl-2.19#:~:text=nix%20flake%20update
nixUpdateArg=--flake
else
nixUpdateArg=
fi
}
echo "Updating flake 'nixos-search'"
nix flake update ../test/nixos-search
nix flake update $nixUpdateArg ../test/nixos-search
echo
versions=$(nix eval --json -f update-flake.nix versions)
@ -52,7 +66,7 @@ echo "Updating main flake"
if [[ $nixosVersion ]]; then
sed -Ei "s|(nixpkgs.url = .*nixos-)[^\"]+|\1$nixosVersion|" ../flake.nix
fi
nix flake update ..
nix flake update $nixUpdateArg ..
echo
nix eval --raw -f update-flake.nix --argstr prevVersions "$versions" showUpdates; echo