nix-super/tests/functional/flakes/init.sh

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#!/usr/bin/env bash
source ./common.sh
requireGit
templatesDir=$TEST_ROOT/templates
flakeDir=$TEST_ROOT/flake
nixpkgsDir=$TEST_ROOT/nixpkgs
nix registry add --registry "$registry" templates git+file://"$templatesDir"
nix registry add --registry "$registry" nixpkgs git+file://"$nixpkgsDir"
createGitRepo "$nixpkgsDir"
createSimpleGitFlake "$nixpkgsDir"
# Test 'nix flake init'.
createGitRepo "$templatesDir"
cat > "$templatesDir"/flake.nix <<EOF
{
description = "Some templates";
outputs = { self }: {
templates = rec {
trivial = {
path = ./trivial;
description = "A trivial flake";
welcomeText = ''
Welcome to my trivial flake
'';
};
default = trivial;
};
};
}
EOF
mkdir "$templatesDir/trivial"
cat > "$templatesDir"/trivial/flake.nix <<EOF
{
description = "A flake for building Hello World";
outputs = { self, nixpkgs }: {
packages.$system = rec {
hello = nixpkgs.legacyPackages.$system.hello;
default = hello;
};
};
}
EOF
echo a > "$templatesDir/trivial/a"
echo b > "$templatesDir/trivial/b"
git -C "$templatesDir" add flake.nix trivial/
git -C "$templatesDir" commit -m 'Initial'
nix flake check templates
nix flake show templates
nix flake show templates --json | jq
createGitRepo "$flakeDir"
(cd "$flakeDir" && nix flake init)
(cd "$flakeDir" && nix flake init) # check idempotence
git -C "$flakeDir" add flake.nix
nix flake check "$flakeDir"
nix flake show "$flakeDir"
nix flake show "$flakeDir" --json | jq
git -C "$flakeDir" commit -a -m 'Initial'
# Test 'nix flake init' with benign conflicts
createGitRepo "$flakeDir"
echo a > "$flakeDir/a"
(cd "$flakeDir" && nix flake init) # check idempotence
# Test 'nix flake init' with conflicts
createGitRepo "$flakeDir"
echo b > "$flakeDir/a"
pushd "$flakeDir"
(! nix flake init) |& grep "refusing to overwrite existing file '$flakeDir/a'"
popd
git -C "$flakeDir" commit -a -m 'Changed'
# Test 'nix flake new'.
rm -rf "$flakeDir"
nix flake new -t templates#trivial "$flakeDir"
nix flake new -t templates#trivial "$flakeDir" # check idempotence
nix flake check "$flakeDir"