forked from lix-project/lix
Rebecca Turner
7b3ef56094
The big ones here are `trim-trailing-whitespace` and `end-of-file-fixer`
(which makes sure that every file ends with exactly one newline
character).
Change-Id: Idca73b640883188f068f9903e013cf0d82aa1123
81 lines
3.2 KiB
Bash
Executable file
81 lines
3.2 KiB
Bash
Executable file
#!/usr/bin/env bash
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source ./common.sh
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# Without the dynamic-derivations XP feature, we don't have the builtin.
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nix --experimental-features 'nix-command' eval --impure --expr \
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'assert ! (builtins ? outputOf); ""'
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# Test that a string is required.
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#
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# We currently require a string to be passed, rather than a derivation
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# object that could be coerced to a string. We might liberalise this in
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# the future so it does work, but there are some design questions to
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# resolve first. Adding a test so we don't liberalise it by accident.
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expectStderr 1 nix --experimental-features 'nix-command dynamic-derivations' eval --impure --expr \
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'builtins.outputOf (import ../dependencies.nix {}) "out"' \
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| grepQuiet "expected a string but found a set"
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# Test that "DrvDeep" string contexts are not supported at this time
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#
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# Like the above, this is a restriction we could relax later.
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expectStderr 1 nix --experimental-features 'nix-command dynamic-derivations' eval --impure --expr \
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'builtins.outputOf (import ../dependencies.nix {}).drvPath "out"' \
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| grepQuiet "has a context which refers to a complete source and binary closure. This is not supported at this time"
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# Test using `builtins.outputOf` with static derivations
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testStaticHello () {
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nix eval --impure --expr \
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'with (import ./text-hashed-output.nix); let
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a = hello.outPath;
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b = builtins.outputOf (builtins.unsafeDiscardOutputDependency hello.drvPath) "out";
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in builtins.trace a
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(builtins.trace b
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(assert a == b; null))'
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}
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# Test with a regular old input-addresed derivation
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#
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# `builtins.outputOf` works without ca-derivations and doesn't create a
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# placeholder but just returns the output path.
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testStaticHello
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# Test with content addressed derivation.
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NIX_TESTS_CA_BY_DEFAULT=1 testStaticHello
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# Test with derivation-producing derivation
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#
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# This is hardly different from the preceding cases, except that we're
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# only taking 1 outputOf out of 2 possible outputOfs. Note that
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# `.outPath` could be defined as `outputOf drvPath`, which is what we're
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# testing here. The other `outputOf` that we're not testing here is the
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# use of _dynamic_ derivations.
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nix eval --impure --expr \
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'with (import ./text-hashed-output.nix); let
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a = producingDrv.outPath;
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b = builtins.outputOf (builtins.builtins.unsafeDiscardOutputDependency producingDrv.drvPath) "out";
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in builtins.trace a
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(builtins.trace b
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(assert a == b; null))'
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# Test with unbuilt output of derivation-producing derivation.
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#
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# This function similar to `testStaticHello` used above, but instead of
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# checking the property on a constant derivation, we check it on a
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# derivation that's from another derivation's output (outPath).
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testDynamicHello () {
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nix eval --impure --expr \
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'with (import ./text-hashed-output.nix); let
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a = builtins.outputOf producingDrv.outPath "out";
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b = builtins.outputOf (builtins.outputOf (builtins.unsafeDiscardOutputDependency producingDrv.drvPath) "out") "out";
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in builtins.trace a
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(builtins.trace b
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(assert a == b; null))'
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}
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# inner dynamic derivation is input-addressed
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testDynamicHello
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# inner dynamic derivation is content-addressed
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NIX_TESTS_CA_BY_DEFAULT=1 testDynamicHello
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