Log package hash inputs file and contents / regression test for #6906

[jneira]

• Add log about the creation of package hash inputs file (-v) and its contents (-v3)
• Add a regression test for Using cabal install in a project or install/repl without a project, duplicates global config and rebuilds libs twice in the store #6906 using that output, marked as knownBroken until Avoid using duplicate global config not adding it in the dummy project context #7753 fixes it
• To be squashed-merged before Avoid using duplicate global config not adding it in the dummy project context #7753, which be rebased onto master removing the knownBroken and demonstrating it fixes the bug

Example of new output including package hash file creation and its contents:

creating
D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5\issue6906-0-676b6bdd8037cf9b726f4f7ca0e541f97bbfe790\bin
creating
D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5\issue6906-0-676b6bdd8037cf9b726f4f7ca0e541f97bbfe790
creating D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5
creating D:\cs2\ghc-8.6.5\incoming\new-13688\cs2
creating D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5
creating
D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5\issue6906-0-676b6bdd8037cf9b726f4f7ca0e541f97bbfe790
creating
D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5\issue6906-0-676b6bdd8037cf9b726f4f7ca0e541f97bbfe790\bin
Installing executable dist\build\issue6906\issue6906.exe to
D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5\issue6906-0-676b6bdd8037cf9b726f4f7ca0e541f97bbfe790\bin\issue6906.exe
creating
D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5\issue6906-0-676b6bdd8037cf9b726f4f7ca0e541f97bbfe790
creating file with the inputs used to compute the package hash:
D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5\issue6906-0-676b6bdd8037cf9b726f4f7ca0e541f97bbfe790\cabal-hash.txt
Package hash inputs:
> pkgid: issue6906-0
> component: ComponentExe (UnqualComponentName "issue6906")
> src: b812ce34d1d6b8ed44807c8c8c3c4a97634ddc980ef40f09b2406cca1f6b9885
> pkg-config-deps:
> deps: base-4.12.0.0
> compilerid: ghc-8.6.5
> platform: x86_64-windows
> stripped-exe: False
> debug-info: 0
> extra-lib-dirs: bar bar
> extra-include-dirs: foo foo

[jneira]

Note the funny duplication and lack of ordering of the preexisting log:

creating D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5
creating D:\cs2\ghc-8.6.5\incoming\new-13688\cs2
creating D:\cs2\ghc-8.6.5\incoming\new-13688\cs2\ghc-8.6.5

[emilypi]

A changelog entry would be 👍 thanks @jneira

[jneira]

A changelog entry would be +1 thanks @jneira

i hope the one added in the follow up #7753 with b3ebb00, which also mentions this one could work

[Mikolaj]

Reviewing...

[Mikolaj]

TDD at its best.

[jneira]

TDD at its best

Well i did the fix before the tests but only the pr id would peach it 😉