28 lines
667 B
Raku
28 lines
667 B
Raku
A rule may have an alias field. This denotes that the action of the rule is a
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dependency of the alias.
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$ mkdir simple && cd simple
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$ cat > dune-project <<EOF
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> (lang dune 2.0)
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> EOF
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$ cat > dune <<EOF
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> (rule
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> (action (with-stdout-to foo (echo "hello world")))
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> (alias bar))
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> EOF
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$ dune build @bar
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$ cat _build/default/foo
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hello world
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$ (cd ..)
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A rule may now have an empty set of targets if it has an alias field
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$ mkdir no-targets && cd no-targets
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$ cat > dune-project <<EOF
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> (lang dune 2.0)
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> EOF
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$ cat > dune <<EOF
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> (rule
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> (action (echo "hello world"))
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> (alias bar))
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> EOF
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$ dune build @bar
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hello world
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