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https://github.com/privatevoid-net/nix-super.git
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56605b4688
Resolve the derivation before trying to load its environment − essentially reproducing what the build loop does − so that we can effectively access our dependencies (and not just their placeholders). Fix #4821
92 lines
3.7 KiB
Bash
92 lines
3.7 KiB
Bash
source common.sh
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clearStore
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if [[ -n ${CONTENT_ADDRESSED:-} ]]; then
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nix-shell () {
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command nix-shell --arg contentAddressed true "$@"
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}
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fi
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# Test nix-shell -A
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export IMPURE_VAR=foo
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export SELECTED_IMPURE_VAR=baz
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export NIX_BUILD_SHELL=$SHELL
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output=$(nix-shell --pure shell.nix -A shellDrv --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $TEST_inNixShell"')
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[ "$output" = " - foo - bar - true" ]
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# Test --keep
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output=$(nix-shell --pure --keep SELECTED_IMPURE_VAR shell.nix -A shellDrv --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $SELECTED_IMPURE_VAR"')
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[ "$output" = " - foo - bar - baz" ]
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# Test nix-shell on a .drv
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[[ $(nix-shell --pure $(nix-instantiate shell.nix -A shellDrv) --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $TEST_inNixShell"') = " - foo - bar - false" ]]
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[[ $(nix-shell --pure $(nix-instantiate shell.nix -A shellDrv) --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $TEST_inNixShell"') = " - foo - bar - false" ]]
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# Test nix-shell on a .drv symlink
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# Legacy: absolute path and .drv extension required
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nix-instantiate shell.nix -A shellDrv --add-root $TEST_ROOT/shell.drv
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[[ $(nix-shell --pure $TEST_ROOT/shell.drv --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX"') = " - foo - bar" ]]
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# New behaviour: just needs to resolve to a derivation in the store
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nix-instantiate shell.nix -A shellDrv --add-root $TEST_ROOT/shell
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[[ $(nix-shell --pure $TEST_ROOT/shell --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX"') = " - foo - bar" ]]
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# Test nix-shell -p
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output=$(NIX_PATH=nixpkgs=shell.nix nix-shell --pure -p foo bar --run 'echo "$(foo) $(bar)"')
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[ "$output" = "foo bar" ]
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# Test nix-shell shebang mode
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sed -e "s|@ENV_PROG@|$(type -P env)|" shell.shebang.sh > $TEST_ROOT/shell.shebang.sh
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chmod a+rx $TEST_ROOT/shell.shebang.sh
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output=$($TEST_ROOT/shell.shebang.sh abc def)
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[ "$output" = "foo bar abc def" ]
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# Test nix-shell shebang mode again with metacharacters in the filename.
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# First word of filename is chosen to not match any file in the test root.
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sed -e "s|@ENV_PROG@|$(type -P env)|" shell.shebang.sh > $TEST_ROOT/spaced\ \\\'\"shell.shebang.sh
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chmod a+rx $TEST_ROOT/spaced\ \\\'\"shell.shebang.sh
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output=$($TEST_ROOT/spaced\ \\\'\"shell.shebang.sh abc def)
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[ "$output" = "foo bar abc def" ]
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# Test nix-shell shebang mode for ruby
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# This uses a fake interpreter that returns the arguments passed
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# This, in turn, verifies the `rc` script is valid and the `load()` script (given using `-e`) is as expected.
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sed -e "s|@SHELL_PROG@|$(type -P nix-shell)|" shell.shebang.rb > $TEST_ROOT/shell.shebang.rb
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chmod a+rx $TEST_ROOT/shell.shebang.rb
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output=$($TEST_ROOT/shell.shebang.rb abc ruby)
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[ "$output" = '-e load(ARGV.shift) -- '"$TEST_ROOT"'/shell.shebang.rb abc ruby' ]
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# Test nix-shell shebang mode for ruby again with metacharacters in the filename.
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# Note: fake interpreter only space-separates args without adding escapes to its output.
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sed -e "s|@SHELL_PROG@|$(type -P nix-shell)|" shell.shebang.rb > $TEST_ROOT/spaced\ \\\'\"shell.shebang.rb
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chmod a+rx $TEST_ROOT/spaced\ \\\'\"shell.shebang.rb
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output=$($TEST_ROOT/spaced\ \\\'\"shell.shebang.rb abc ruby)
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[ "$output" = '-e load(ARGV.shift) -- '"$TEST_ROOT"'/spaced \'\''"shell.shebang.rb abc ruby' ]
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# Test 'nix develop'.
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nix develop -f shell.nix shellDrv -c bash -c '[[ -n $stdenv ]]'
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# Ensure `nix develop -c` preserves stdin
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echo foo | nix develop -f shell.nix shellDrv -c cat | grep -q foo
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# Ensure `nix develop -c` actually executes the command if stdout isn't a terminal
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nix develop -f shell.nix shellDrv -c echo foo |& grep -q foo
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# Test 'nix print-dev-env'.
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source <(nix print-dev-env -f shell.nix shellDrv)
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[[ -n $stdenv ]]
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