2024-05-28 19:43:04 +03:00
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#!/usr/bin/env bash
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2022-01-27 16:32:14 +02:00
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# Regression for https://github.com/NixOS/nix/issues/5998 and https://github.com/NixOS/nix/issues/5980
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source common.sh
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export NIX_PATH=non-existent=/non-existent/but-unused-anyways:by-absolute-path=$PWD:by-relative-path=.
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nix-instantiate --eval -E '<by-absolute-path/simple.nix>' --restrict-eval
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nix-instantiate --eval -E '<by-relative-path/simple.nix>' --restrict-eval
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# Should ideally also test this, but there’s no pure way to do it, so just trust me that it works
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# nix-instantiate --eval -E '<nixpkgs>' -I nixpkgs=channel:nixos-unstable --restrict-eval
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2022-12-07 13:58:58 +02:00
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[[ $(nix-instantiate --find-file by-absolute-path/simple.nix) = $PWD/simple.nix ]]
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[[ $(nix-instantiate --find-file by-relative-path/simple.nix) = $PWD/simple.nix ]]
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2024-07-25 00:17:15 +03:00
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# this is the human-readable specification for the following test cases of interactions between various ways of specifying NIX_PATH.
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# TODO: the actual tests are incomplete and too manual.
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# there should be 43 of them, since the table has 9 rows and columns, and 2 interactions are meaningless
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# ideally they would work off the table programmatically.
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#
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# | precedence | hard-coded | nix-path in file | extra-nix-path in file | nix-path in env | extra-nix-path in env | NIX_PATH | nix-path | extra-nix-path | -I |
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# |------------------------|------------|------------------|------------------------|-----------------|-----------------------|-----------|-----------|-----------------|-----------------|
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# | hard-coded | x | ^override | ^append | ^override | ^append | ^override | ^override | ^append | ^append |
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# | nix-path in file | | last wins | ^append | ^override | ^append | ^override | ^override | ^append | ^append |
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# | extra-nix-path in file | | | append in order | ^override | ^append | ^override | ^override | ^append | ^append |
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# | nix-path in env | | | | last wins | ^append | ^override | ^override | ^append | ^append |
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# | extra-nix-path in env | | | | | append in order | ^override | ^override | ^append | ^append |
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# | NIX_PATH | | | | | | x | ^override | ^append | ^append |
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# | nix-path | | | | | | | last wins | ^append | ^append |
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# | extra-nix-path | | | | | | | | append in order | append in order |
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# | -I | | | | | | | | | append in order |
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unset NIX_PATH
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mkdir -p $TEST_ROOT/{from-nix-path-file,from-NIX_PATH,from-nix-path,from-extra-nix-path,from-I}
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for i in from-nix-path-file from-NIX_PATH from-nix-path from-extra-nix-path from-I; do
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touch $TEST_ROOT/$i/only-$i.nix
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done
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# finding something that's not in any of the default paths fails
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( ! $(nix-instantiate --find-file test) )
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echo "nix-path = test=$TEST_ROOT/from-nix-path-file" >> "$test_nix_conf"
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# Use nix.conf in absence of NIX_PATH
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[[ $(nix-instantiate --find-file test) = $TEST_ROOT/from-nix-path-file ]]
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# NIX_PATH overrides nix.conf
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[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --find-file test) = $TEST_ROOT/from-NIX_PATH ]]
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# if NIX_PATH does not have the desired entry, it fails
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(! NIX_PATH=test=$TEST_ROOT nix-instantiate --find-file test/only-from-nix-path-file.nix)
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# -I extends nix.conf
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[[ $(nix-instantiate -I test=$TEST_ROOT/from-I --find-file test/only-from-I.nix) = $TEST_ROOT/from-I/only-from-I.nix ]]
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# if -I does not have the desired entry, the value from nix.conf is used
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[[ $(nix-instantiate -I test=$TEST_ROOT/from-I --find-file test/only-from-nix-path-file.nix) = $TEST_ROOT/from-nix-path-file/only-from-nix-path-file.nix ]]
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# -I extends NIX_PATH
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[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate -I test=$TEST_ROOT/from-I --find-file test/only-from-I.nix) = $TEST_ROOT/from-I/only-from-I.nix ]]
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# if -I does not have the desired entry, the value from NIX_PATH is used
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[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate -I test=$TEST_ROOT/from-I --find-file test/only-from-NIX_PATH.nix) = $TEST_ROOT/from-NIX_PATH/only-from-NIX_PATH.nix ]]
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# --extra-nix-path extends NIX_PATH
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[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --extra-nix-path test=$TEST_ROOT/from-extra-nix-path --find-file test/only-from-extra-nix-path.nix) = $TEST_ROOT/from-extra-nix-path/only-from-extra-nix-path.nix ]]
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# if --extra-nix-path does not have the desired entry, the value from NIX_PATH is used
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[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --extra-nix-path test=$TEST_ROOT/from-extra-nix-path --find-file test/only-from-NIX_PATH.nix) = $TEST_ROOT/from-NIX_PATH/only-from-NIX_PATH.nix ]]
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# --nix-path overrides NIX_PATH
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[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path --find-file test) = $TEST_ROOT/from-nix-path ]]
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# if --nix-path does not have the desired entry, it fails
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(! NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path --find-file test/only-from-NIX_PATH.nix)
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# --nix-path overrides nix.conf
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[[ $(nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path --find-file test) = $TEST_ROOT/from-nix-path ]]
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(! nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path --find-file test/only-from-nix-path-file.nix)
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# --extra-nix-path extends nix.conf
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[[ $(nix-instantiate --extra-nix-path test=$TEST_ROOT/from-extra-nix-path --find-file test/only-from-extra-nix-path.nix) = $TEST_ROOT/from-extra-nix-path/only-from-extra-nix-path.nix ]]
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# if --extra-nix-path does not have the desired entry, it is taken from nix.conf
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[[ $(nix-instantiate --extra-nix-path test=$TEST_ROOT/from-extra-nix-path --find-file test) = $TEST_ROOT/from-nix-path-file ]]
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# -I extends --nix-path
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[[ $(nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path -I test=$TEST_ROOT/from-I --find-file test/only-from-I.nix) = $TEST_ROOT/from-I/only-from-I.nix ]]
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[[ $(nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path -I test=$TEST_ROOT/from-I --find-file test/only-from-nix-path.nix) = $TEST_ROOT/from-nix-path/only-from-nix-path.nix ]]
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