51 lines
1.8 KiB
Perl
51 lines
1.8 KiB
Perl
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Demonstrate running "dune build" concurrently with an eager rpc server.
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$ echo '(lang dune 3.18)' > dune-project
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$ echo '(executable (name foo))' > dune
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$ echo 'let () = print_endline "Hello, World!"' > foo.ml
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Build the project once before starting the watch server so the watch server starts immediately.
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$ dune build
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$ dune build --watch &
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Success, waiting for filesystem changes...
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Success, waiting for filesystem changes...
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Success, waiting for filesystem changes...
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File "foo.ml", line 1, characters 9-21:
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1 | let () = print_endlin "Hello, World!"
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^^^^^^^^^^^^
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Error: Unbound value print_endlin
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Hint: Did you mean print_endline?
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Had 1 error, waiting for filesystem changes...
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File "foo.ml", line 1, characters 9-21:
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1 | let () = print_endlin "Hello, World!"
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^^^^^^^^^^^^
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Error: Unbound value print_endlin
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Hint: Did you mean print_endline?
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Had 1 error, waiting for filesystem changes...
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Demonstrate that we can run "dune build" while the watch server is running.
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$ dune build
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Success
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Demonstrate that a warning is displayed when extra arguments are passed to
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"dune build", since those arguments will be ignored.
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$ dune build --auto-promote 2>&1 | sed 's/pid: [0-9]*/pid: PID/g'
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Warning: Your build request is being forwarded to a running Dune instance
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(pid: PID) so most command-line arguments will be ignored.
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Success
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Demonstrate that error messages are still printed by "dune build" when it's
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acting as an RPC client while running concurrently with an RPC server.
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$ echo 'let () = print_endlin "Hello, World!"' > foo.ml
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$ dune build
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File "$TESTCASE_ROOT/foo.ml", line 1, characters 9-21:
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1 | let () = print_endlin "Hello, World!"
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^^^^^^^^^^^^
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Unbound value print_endlin
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Hint: Did you mean print_endline?
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Error: Build failed with 1 error.
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[1]
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$ dune shutdown
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$ wait
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