unikernel/duniverse/dune_/test/blackbox-tests/test-cases/subst/without-repo.t

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+Demonstrate $ dune subst without a git repository
+
+  $ cat > dune-project << EOF
+  > (lang dune 3.17)
+  > (name test)
+  > EOF
+
+  $ echo "dune" > README.md
+
+  $ dune subst
+
+  $ cat README.md
+  test
+
+dune subst should take the project version from the dune-project file when
+there is no vcs
+
+  $ cat > dune-project << EOF
+  > (lang dune 3.19)
+  > (name test)
+  > (version 0.1)
+  > EOF
+
+  $ echo "3.20.2" > README.md
+
+  $ dune subst
+
+  $ cat README.md
+  0.1