cabal.out

# cabal new-run
Resolving dependencies...
Build profile: -w ghc-<GHCVER> -O1
In order, the following will be built:
 - bar-1.0 (exe:bar-exe) (first run)
Configuring executable 'bar-exe' for bar-1.0..
Preprocessing executable 'bar-exe' for bar-1.0..
Building executable 'bar-exe' for bar-1.0..
# cabal new-run
Up to date
# cabal new-run
Build profile: -w ghc-<GHCVER> -O1
In order, the following will be built:
 - foo-1.0 (exe:foo-exe) (first run)
Configuring executable 'foo-exe' for foo-1.0..
Preprocessing executable 'foo-exe' for foo-1.0..
Building executable 'foo-exe' for foo-1.0..
# cabal new-run
Build profile: -w ghc-<GHCVER> -O1
In order, the following will be built:
 - bar-1.0 (exe:foo-exe) (first run)
Configuring executable 'foo-exe' for bar-1.0..
Preprocessing executable 'foo-exe' for bar-1.0..
Building executable 'foo-exe' for bar-1.0..
# cabal new-run
cabal: No targets given and there is no package in the current directory. Use the target 'all' for all packages in the project or specify packages or components by name or location. See 'cabal build --help' for more details on target options.
# cabal new-run
cabal: The run command is for running a single executable at once. The target 'bar' refers to the package bar-1.0 which includes the executable 'foo-exe' and the executable 'bar-exe'.
# cabal new-run
cabal: Ambiguous target 'foo-exe'. It could be:
    bar:foo-exe (component)
   foo:foo-exe (component)

# cabal new-run
cabal: Unknown target 'foo:bar-exe'.
The package foo has no component 'bar-exe'.