eldritch horrors
9ef32cf3b8
print-dev-env: Avoid using unbound shellHook variable
(cherry picked from commit 25385a408ef7281d966c8732608833e224b32586)
Change-Id: Id1aca13942adfa628f7bdcfc0b6fc03bb3bab9ea
153 lines
5.6 KiB
Bash
153 lines
5.6 KiB
Bash
source common.sh
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clearStore
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if [[ -n ${CONTENT_ADDRESSED:-} ]]; then
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shellDotNix="$PWD/ca-shell.nix"
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else
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shellDotNix="$PWD/shell.nix"
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fi
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export NIX_PATH=nixpkgs="$shellDotNix"
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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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output=$(nix-shell --pure "$shellDotNix" -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=$(nix-shell --pure --keep SELECTED_IMPURE_VAR "$shellDotNix" -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 $(nix-instantiate "$shellDotNix" -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 $(nix-instantiate "$shellDotNix" -A shellDrv) --run \
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'echo "$IMPURE_VAR - $VAR_FROM_STDENV_SETUP - $VAR_FROM_NIX - $TEST_inNixShell"') = " - foo - bar - false" ]]
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# Test nix-shell on a .drv symlink
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# Legacy: absolute path and .drv extension required
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nix-instantiate "$shellDotNix" -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 - $VAR_FROM_NIX"') = " - foo - bar" ]]
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# New behaviour: just needs to resolve to a derivation in the store
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nix-instantiate "$shellDotNix" -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="$shellDotNix" nix-shell --pure -p foo bar --run 'echo "$(foo) $(bar)"')
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[ "$output" = "foo bar" ]
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# Test nix-shell -p --arg x y
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output=$(NIX_PATH=nixpkgs="$shellDotNix" nix-shell --pure -p foo --argstr fooContents baz --run 'echo "$(foo)"')
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[ "$output" = "baz" ]
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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) -- '"$TEST_ROOT"'/spaced \'\''"shell.shebang.rb abc ruby' ]
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# Test nix-shell shebang quoting
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sed -e "s|@ENV_PROG@|$(type -P env)|" shell.shebang.nix > $TEST_ROOT/shell.shebang.nix
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chmod a+rx $TEST_ROOT/shell.shebang.nix
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$TEST_ROOT/shell.shebang.nix
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# Test 'nix develop'.
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nix develop -f "$shellDotNix" shellDrv -c bash -c '[[ -n $stdenv ]]'
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# Ensure `nix develop -c` preserves stdin
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echo foo | nix develop -f "$shellDotNix" shellDrv -c cat | grepQuiet 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 "$shellDotNix" shellDrv -c echo foo |& grepQuiet foo
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# Test 'nix print-dev-env'.
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nix print-dev-env -f "$shellDotNix" shellDrv > $TEST_ROOT/dev-env.sh
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nix print-dev-env -f "$shellDotNix" shellDrv --json > $TEST_ROOT/dev-env.json
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# Test with raw drv
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shellDrv=$(nix-instantiate "$shellDotNix" -A shellDrv.out)
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nix develop $shellDrv -c bash -c '[[ -n $stdenv ]]'
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nix print-dev-env $shellDrv > $TEST_ROOT/dev-env2.sh
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nix print-dev-env $shellDrv --json > $TEST_ROOT/dev-env2.json
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diff $TEST_ROOT/dev-env{,2}.sh
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diff $TEST_ROOT/dev-env{,2}.json
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# Ensure `nix print-dev-env --json` contains variable assignments.
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[[ $(jq -r .variables.arr1.value[2] $TEST_ROOT/dev-env.json) = '3 4' ]]
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# Run tests involving `source <(nix print-dev-env)` in subshells to avoid modifying the current
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# environment.
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set -u
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# Ensure `source <(nix print-dev-env)` modifies the environment.
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(
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path=$PATH
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source $TEST_ROOT/dev-env.sh
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[[ -n $stdenv ]]
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[[ ${arr1[2]} = "3 4" ]]
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[[ ${arr2[1]} = $'\n' ]]
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[[ ${arr2[2]} = $'x\ny' ]]
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[[ $(fun) = blabla ]]
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[[ $PATH = $(jq -r .variables.PATH.value $TEST_ROOT/dev-env.json):$path ]]
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)
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# Ensure `source <(nix print-dev-env)` handles the case when PATH is empty.
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(
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path=$PATH
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PATH=
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source $TEST_ROOT/dev-env.sh
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[[ $PATH = $(PATH=$path jq -r .variables.PATH.value $TEST_ROOT/dev-env.json) ]]
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)
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# Test nix-shell with ellipsis and no `inNixShell` argument (for backwards compat with old nixpkgs)
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cat >$TEST_ROOT/shell-ellipsis.nix <<EOF
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{ system ? "x86_64-linux", ... }@args:
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assert (!(args ? inNixShell));
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(import $shellDotNix { }).shellDrv
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EOF
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nix-shell $TEST_ROOT/shell-ellipsis.nix --run "true"
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