unikernel/duniverse/dune_/test/blackbox-tests/test-cases/rule/dependency-external.t

@@ -0,0 +1,231 @@
+rules with dependencies outside the build dir are allowed
+
+  $ mkdir -p a/b
+
+  $ cat >a/b/dune-project <<EOF
+  > (lang dune 2.8)
+  > EOF
+
+### absolute path
+
+## Test absolute
+  $ cat >a/b/dune <<EOF
+  > (rule
+  >  (alias test)
+  >  (action (with-stdin-from "$PWD/external.txt" (run cat -))))
+  > EOF
+
+  $ cat >external.txt <<EOF
+  > txt1
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt1
+  Leaving directory 'a/b'
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+
+  $ cat >external.txt <<EOF
+  > txt2
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt2
+  Leaving directory 'a/b'
+
+## Test copy files absolute
+  $ cat >a/b/dune <<EOF
+  > (rule
+  >  (alias test)
+  >  (action (with-stdin-from "external.txt" (run cat -))))
+  > (copy_files "$PWD/external.txt")
+  > EOF
+
+  $ cat >external.txt <<EOF
+  > txt1
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt1
+  Leaving directory 'a/b'
+
+# Check that nothing is done when nothing change
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+
+  $ cat >external.txt <<EOF
+  > txt2
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt2
+  Leaving directory 'a/b'
+
+### 1 level below
+
+## Test relative 1 level below
+  $ cat >a/b/dune <<EOF
+  > (rule
+  >  (alias test)
+  >  (action (with-stdin-from "../external.txt" (run cat -))))
+  > EOF
+
+  $ cat >a/external.txt <<EOF
+  > txt1
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt1
+  Leaving directory 'a/b'
+
+# Check that nothing is done when nothing change
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+
+  $ cat >a/external.txt <<EOF
+  > txt2
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt2
+  Leaving directory 'a/b'
+
+## Test copy files 1 level below
+  $ cat >a/b/dune <<EOF
+  > (rule
+  >  (alias test)
+  >  (action (with-stdin-from "external.txt" (run cat -))))
+  > (copy_files ../external.txt)
+  > EOF
+
+  $ cat >a/external.txt <<EOF
+  > txt1
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt1
+  Leaving directory 'a/b'
+
+# Check that nothing is done when nothing change
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+
+  $ cat >a/external.txt <<EOF
+  > txt2
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt2
+  Leaving directory 'a/b'
+
+### 2 level below
+
+## Test relative 2 level below
+  $ cat >a/b/dune <<EOF
+  > (rule
+  >  (alias test)
+  >  (action (with-stdin-from "../../external.txt" (run cat -))))
+  > EOF
+
+  $ rm -f a/external.txt
+
+  $ cat >external.txt <<EOF
+  > txt1
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt1
+  Leaving directory 'a/b'
+
+# Check that nothing is done when nothing change
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+
+  $ cat >external.txt <<EOF
+  > txt2
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt2
+  Leaving directory 'a/b'
+
+## Test copy files 2 level below
+  $ cat >a/b/dune <<EOF
+  > (rule
+  >  (alias test)
+  >  (action (with-stdin-from "external.txt" (run cat -))))
+  > (copy_files ../../external.txt)
+  > EOF
+
+  $ cat >external.txt <<EOF
+  > txt1
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt1
+  Leaving directory 'a/b'
+
+# Check that nothing is done when nothing change
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+
+  $ cat >external.txt <<EOF
+  > txt2
+  > EOF
+
+  $ dune build --root=a/b @test
+  Entering directory 'a/b'
+  txt2
+  Leaving directory 'a/b'
+
+## Test dune exec absolute
+  $ cat >a/script.sh <<EOF
+  > #!/bin/sh
+  >  echo "txt1"
+  > EOF
+
+  $ chmod u+x a/script.sh
+
+  $ dune exec --root=a/b -- $PWD/a/script.sh
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+  txt1
+
+## Test dune exec 1 level below
+  $ dune exec --root=a/b -- ../script.sh
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+  txt1
+
+## Test dune exec 2 level below
+  $ mv a/script.sh .
+
+  $ dune exec --root=a/b -- ../../script.sh
+  Entering directory 'a/b'
+  Leaving directory 'a/b'
+  txt1
+
+# Regression test for #5572
+  $ dune exec --root=a/b -- ../
+  Entering directory 'a/b'
+  Error: Program '../' not found!
+  Leaving directory 'a/b'
+  [1]