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Merge pull request #8033 from lbodor/stop-adding-dot-to-nix-dev-env-path

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`print-dev-env`: stop inadvertently adding `.` to `PATH`
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Robert Hensing 2023-03-13 19:52:41 +01:00 committed by GitHub
commit a387f46967
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2 changed files with 29 additions and 8 deletions
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2
src/nix/develop.cc
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@ -313,7 +313,7 @@ struct Common : InstallableCommand, MixProfile
buildEnvironment.toBash(out, ignoreVars);
for (auto & var : savedVars)
out << fmt("%s=\"$%s:$nix_saved_%s\"\n", var, var, var);
out << fmt("%s=\"$%s${nix_saved_%s:+:$nix_saved_%s}\"\n", var, var, var, var);
out << "export NIX_BUILD_TOP=\"$(mktemp -d -t nix-shell.XXXXXX)\"\n";
for (auto & i : {"TMP", "TMPDIR", "TEMP", "TEMPDIR"})

35
tests/nix-shell.sh
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@ -94,16 +94,37 @@ echo foo | nix develop -f "$shellDotNix" shellDrv -c cat | grepQuiet foo
nix develop -f "$shellDotNix" shellDrv -c echo foo |& grepQuiet foo
# Test 'nix print-dev-env'.
[[ $(nix print-dev-env -f "$shellDotNix" shellDrv --json | jq -r .variables.arr1.value[2]) = '3 4' ]]
nix print-dev-env -f "$shellDotNix" shellDrv > $TEST_ROOT/dev-env.sh
nix print-dev-env -f "$shellDotNix" shellDrv --json > $TEST_ROOT/dev-env.json
# Ensure `nix print-dev-env --json` contains variable assignments.
[[ $(jq -r .variables.arr1.value[2] $TEST_ROOT/dev-env.json) = '3 4' ]]
# Run tests involving `source <(nix print-dev-inv)` in subshells to avoid modifying the current
# environment.
set +u # FIXME: Make print-dev-env `set -u` compliant (issue #7951)
source <(nix print-dev-env -f "$shellDotNix" shellDrv)
[[ -n $stdenv ]]
[[ ${arr1[2]} = "3 4" ]]
[[ ${arr2[1]} = $'\n' ]]
[[ ${arr2[2]} = $'x\ny' ]]
[[ $(fun) = blabla ]]
# Ensure `source <(nix print-dev-env)` modifies the environment.
(
path=$PATH
source $TEST_ROOT/dev-env.sh
[[ -n $stdenv ]]
[[ ${arr1[2]} = "3 4" ]]
[[ ${arr2[1]} = $'\n' ]]
[[ ${arr2[2]} = $'x\ny' ]]
[[ $(fun) = blabla ]]
[[ $PATH = $(jq -r .variables.PATH.value $TEST_ROOT/dev-env.json):$path ]]
)
# Ensure `source <(nix print-dev-env)` handles the case when PATH is empty.
(
path=$PATH
PATH=
source $TEST_ROOT/dev-env.sh
[[ $PATH = $(PATH=$path jq -r .variables.PATH.value $TEST_ROOT/dev-env.json) ]]
)
# Test nix-shell with ellipsis and no `inNixShell` argument (for backwards compat with old nixpkgs)
cat >$TEST_ROOT/shell-ellipsis.nix <<EOF