From 9478f886810b8db87b7ebfe14343f77159c86a24 Mon Sep 17 00:00:00 2001 From: Samuel Dionne-Riel Date: Sun, 8 Apr 2018 00:45:28 -0400 Subject: [PATCH] Adds `nix-shell` test for special-cased ruby interpreter. The test fakes the interpreter only to verify the arguments it would be given. --- tests/nix-shell.sh | 9 +++++++++ tests/shell.nix | 7 +++++++ tests/shell.shebang.rb | 7 +++++++ 3 files changed, 23 insertions(+) create mode 100644 tests/shell.shebang.rb diff --git a/tests/nix-shell.sh b/tests/nix-shell.sh index 063e97ce2..7f14b6c31 100644 --- a/tests/nix-shell.sh +++ b/tests/nix-shell.sh @@ -39,3 +39,12 @@ chmod a+rx $TEST_ROOT/shell.shebang.sh output=$($TEST_ROOT/shell.shebang.sh abc def) [ "$output" = "foo bar abc def" ] + +# Test nix-shell shebang mode for ruby +# This uses a fake interpreter that returns the arguments passed +# This, in turn, verifies the `rc` script is valid and the `load()` script (given using `-e`) is as expected. +sed -e "s|@ENV_PROG@|$(type -p env)|" shell.shebang.rb > $TEST_ROOT/shell.shebang.rb +chmod a+rx $TEST_ROOT/shell.shebang.rb + +output=$($TEST_ROOT/shell.shebang.rb abc ruby) +[ "$output" = '-e load("'"$TEST_ROOT"'/shell.shebang.rb") -- abc ruby' ] diff --git a/tests/shell.nix b/tests/shell.nix index 5845d36fc..eb39f9039 100644 --- a/tests/shell.nix +++ b/tests/shell.nix @@ -45,5 +45,12 @@ let pkgs = rec { bash = shell; + # ruby "interpreter" that outputs "$@" + ruby = runCommand "ruby" {} '' + mkdir -p $out/bin + echo 'printf -- "$*"' > $out/bin/ruby + chmod a+rx $out/bin/ruby + ''; + inherit pkgs; }; in pkgs diff --git a/tests/shell.shebang.rb b/tests/shell.shebang.rb new file mode 100644 index 000000000..ea3953ae2 --- /dev/null +++ b/tests/shell.shebang.rb @@ -0,0 +1,7 @@ +#! @ENV_PROG@ nix-shell +#! ruby +#! nix-shell -I nixpkgs=shell.nix --no-substitute +#! nix-shell --pure -p ruby -i ruby + +# Contents doesn't matter. +abort("This shouldn't be executed.")