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https://github.com/privatevoid-net/nix-super.git
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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>
33 lines
733 B
Bash
33 lines
733 B
Bash
source common.sh
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clearStore
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rm -rf $TEST_HOME/.cache $TEST_HOME/.config $TEST_HOME/.local
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cp ./simple.nix ./simple.builder.sh ./fmt.simple.sh ./config.nix $TEST_HOME
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cd $TEST_HOME
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nix fmt --help | grep "Format"
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cat << EOF > flake.nix
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{
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outputs = _: {
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formatter.$system =
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with import ./config.nix;
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mkDerivation {
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name = "formatter";
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buildCommand = ''
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mkdir -p \$out/bin
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echo "#! ${shell}" > \$out/bin/formatter
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cat \${./fmt.simple.sh} >> \$out/bin/formatter
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chmod +x \$out/bin/formatter
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'';
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};
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};
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}
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EOF
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nix fmt ./file ./folder | grep 'Formatting: ./file ./folder'
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nix flake check
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nix flake show | grep -P "package 'formatter'"
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clearStore
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