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81194eef45
Older bash version, like those in the bootstrap tools and on macOS,
currently confuse variables defined as an empty array with undefined
variables. `${foo+"${foo[@]}"}` will prevent `set -u` problems with
empty arrays and older without making a single '' in the empty case.
Care is taken to `set +u` when running hooks so as to not break existing
packages.
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| .. | ||
| builder.sh | ||
| check-meta.nix | ||
| default-builder.sh | ||
| default.nix | ||
| make-derivation.nix | ||
| setup.sh | ||