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Ensure nix channels are functioning

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This commit is contained in:
Manuel Thalmann 2024-11-25 15:19:13 +01:00
parent 864468d0af
commit 41ab7354c1
1 changed files with 7 additions and 3 deletions
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10
scripts/lib/nix.fish
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@ -3,10 +3,14 @@ begin
set -l config "$dir/config.fish" set -l config "$dir/config.fish"
set nixPkgsDir "/nix/var/nix/profiles/per-user/root/channels/nixpkgs" set nixPkgsDir "/nix/var/nix/profiles/per-user/root/channels/nixpkgs"
function __isNixModule -a path
nix-instantiate --eval --expr "{ path }: import path" --argstr path "$path" &>/dev/null
end
function downloadNixPkgs -V config function downloadNixPkgs -V config
source "$config" source "$config"
if [ ! -d "$nixPkgsCache" ] if ! __isNixModule "$nixPkgsCache"
mkdir -p "$nixPkgsCache" mkdir -p "$nixPkgsCache"
and git clone https://github.com/NixOS/nixpkgs.git --depth=1 -b "$nixPkgsVersion" "$nixPkgsCache" and git clone https://github.com/NixOS/nixpkgs.git --depth=1 -b "$nixPkgsVersion" "$nixPkgsCache"
and rm -rf "$nixPkgsCache/.git" and rm -rf "$nixPkgsCache/.git"
@ -16,8 +20,8 @@ begin
function installNixPkgs -V config -V nixPkgsDir function installNixPkgs -V config -V nixPkgsDir
source "$config" source "$config"
if [ ! -d "$nixPkgsDir" ] if ! __isNixModule "$nixPkgsDir"
if [ ! -d "$nixPkgsCache" ] if ! __isNixModule "$nixPkgsCache"
downloadNixPkgs downloadNixPkgs
end end