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test: add shebangs to shell.nix test scripts

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Fix intermittent SIGSEGV (exit code 139) on macOS when running
  nix-shell and shebang tests inside the nix sandbox.

  The foo, bar, and ruby test scripts were created without shebangs,
  which causes intermittent crashes when executed via command
  substitution on macOS. Adding proper shebangs resolves the flakiness.

  Potentially closes: #13106
This commit is contained in:
Agustín Covarrubias 2025-12-12 17:48:18 -03:00
parent ccba158780
commit 7b3d7eb634
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1 changed files with 6 additions and 3 deletions
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9
tests/functional/shell.nix
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@ -106,14 +106,16 @@ let
foo = runCommand "foo" { } ''
mkdir -p $out/bin
echo 'echo ${fooContents}' > $out/bin/foo
echo '#!${shell}' > $out/bin/foo
echo 'echo ${fooContents}' >> $out/bin/foo
chmod a+rx $out/bin/foo
ln -s ${shell} $out/bin/bash
'';
bar = runCommand "bar" { } ''
mkdir -p $out/bin
echo 'echo bar' > $out/bin/bar
echo '#!${shell}' > $out/bin/bar
echo 'echo bar' >> $out/bin/bar
chmod a+rx $out/bin/bar
'';
@ -126,7 +128,8 @@ let
# ruby "interpreter" that outputs "$@"
ruby = runCommand "ruby" { } ''
mkdir -p $out/bin
echo 'printf %s "$*"' > $out/bin/ruby
echo '#!${shell}' > $out/bin/ruby
echo 'printf %s "$*"' >> $out/bin/ruby
chmod a+rx $out/bin/ruby
'';