c11836126b
Use `set -u` and `set -o pipefail` to catch accidental mistakes and failures more strongly. - `set -u` catches the use of undefined variables - `set -o pipefail` catches failures (like `set -e`) earlier in the pipeline. This makes the tests a bit more robust. It is nice to read code not worrying about these spurious success paths (via uncaught) errors undermining the tests. Indeed, I caught some bugs doing this. There are a few tests where we run a command that should fail, and then search its output to make sure the failure message is one that we expect. Before, since the `grep` was the last command in the pipeline the exit code of those failing programs was silently ignored. Now with `set -o pipefail` it won't be, and we have to do something so the expected failure doesn't accidentally fail the test. To do that we use `expect` and a new `expectStderr` to check for the exact failing exit code. See the comments on each for why. `grep -q` is replaced with `grepQuiet`, see the comments on that function for why. `grep -v` when we just want the exit code is replaced with `grepInverse, see the comments on that function for why. `grep -q -v` together is, surprise surprise, replaced with `grepQuietInverse`, which is both combined. Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
96 lines
2 KiB
Bash
Executable file
96 lines
2 KiB
Bash
Executable file
#!/bin/sh
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set -eux
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cleanup() {
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PLIST="/Library/LaunchDaemons/org.nixos.nix-daemon.plist"
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if sudo launchctl list | grepQuiet nix-daemon; then
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sudo launchctl unload "$PLIST"
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fi
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if [ -f "$PLIST" ]; then
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sudo rm /Library/LaunchDaemons/org.nixos.nix-daemon.plist
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fi
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profiles=(/etc/profile /etc/bashrc /etc/zshrc)
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for profile in "${profiles[@]}"; do
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if [ -f "${profile}.backup-before-nix" ]; then
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sudo mv "${profile}.backup-before-nix" "${profile}"
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fi
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done
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for file in ~/.bash_profile ~/.bash_login ~/.profile ~/.zshenv ~/.zprofile ~/.zshrc ~/.zlogin; do
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if [ -e "$file" ]; then
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cat "$file" | grep -v nix-profile > "$file.next"
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mv "$file.next" "$file"
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fi
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done
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for i in $(seq 1 $(sysctl -n hw.ncpu)); do
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sudo /usr/bin/dscl . -delete "/Users/nixbld$i" || true
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done
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sudo /usr/bin/dscl . -delete "/Groups/nixbld" || true
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sudo rm -rf /etc/nix \
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/nix \
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/var/root/.nix-profile /var/root/.nix-defexpr /var/root/.nix-channels \
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"$HOME/.nix-profile" "$HOME/.nix-defexpr" "$HOME/.nix-channels"
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}
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verify() {
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set +e
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output=$(echo "nix-shell -p bash --run 'echo toow | rev'" | bash -l)
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set -e
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test "$output" = "woot"
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}
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scratch=$(mktemp -d -t tmp.XXXXXXXXXX)
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function finish {
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rm -rf "$scratch"
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}
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trap finish EXIT
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# First setup Nix
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cleanup
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curl -L -o install https://nixos.org/nix/install
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yes | bash ./install
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verify
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(
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set +e
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(
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echo "cd $(pwd)"
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echo nix-build ./release.nix -A binaryTarball.x86_64-darwin
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) | bash -l
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set -e
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cp ./result/nix-*.tar.bz2 $scratch/nix.tar.bz2
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)
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(
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cd $scratch
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tar -xf ./nix.tar.bz2
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cd nix-*
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set -eux
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cleanup
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yes | ./install
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verify
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cleanup
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echo -n "" | ./install
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verify
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cleanup
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sudo mkdir -p /nix/store
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sudo touch /nix/store/.silly-hint
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echo -n "" | ALLOW_PREEXISTING_INSTALLATION=true ./install
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verify
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test -e /nix/store/.silly-hint
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cleanup
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)
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