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cabal init -i should autodetect author name and maintainer email (#8267)

Artem Pelenitsyn authored 2 years ago

* cabal init -i should autodetect author name and maintainer email (fix #8255)

Name and email are fetched from git config in the non-interactive init
already, and we plug that utility into the interactive one in this commit.

Testing becomes clunkier: the list of inputs have to hold an additional
string that will be used as the return value of
`Interactive.readProcessWithExitCode`, and here is why. Recall that this
method is used to call `git config` to perform autodetection. In the
real scenario (the `IO` instance of `Interactive`), it actually calls
out to `git`. In the testing scenario (the `PurePrompt` instance of
`Interactive`), the method simply returns the next element of the list
of pre-defined inputs. So, the list of inputs to every relevant test has
to be adjusted.

* Add test checking that username/email can be autodetected

1b8bf8cc

1b8bf8cc 2 years ago

Name	Last commit	Last update
.docker
.github
.gitlab
Cabal-QuickCheck
Cabal-described
Cabal-syntax
Cabal-tests
Cabal-tree-diff
Cabal
bootstrap
buildinfo-reference-generator
cabal-benchmarks
cabal-dev-scripts
cabal-install-solver
cabal-install
cabal-testsuite
changelog.d
doc
editors/vim
license-list-data
release-notes
solver-benchmarks
templates
.dockerignore
.git-blame-ignore-revs
.gitattributes
.gitignore
.gitlab-ci.yml
.mailmap
.readthedocs.yml
AUTHORS
CONTRIBUTING.md
LICENSE
Makefile
README.md
cabal.project
cabal.project.buildinfo
cabal.project.coverage
cabal.project.libonly
cabal.project.meta
cabal.project.release
cabal.project.validate
cabal.project.validate.libonly
cabal.project.weeder
generics-sop-lens.hs
ghc-packages
id_rsa_cabal_website.aes256.enc
release-checklist.md
stack.yaml
validate.sh
weeder.dhall

Cabal

This Cabal Git repository contains the following packages:

Cabal: the Cabal library package (license)
Cabal-syntax: the .cabal file format library (license)
cabal-install: the package containing the cabal tool (license)

The canonical upstream repository is located at https://github.com/haskell/cabal.

Installing cabal-install (by downloading the binary)

Prebuilt binary releases can be obtained from https://www.haskell.org/cabal/download.html. The cabal-install binary download for your platform should contain the cabal executable.

Installing cabal-install (preferred, with cabal-install)

Assuming that you have a pre-existing, recent version of cabal-install, run:

cabal install cabal-install

To get the latest version of cabal-install. (You may want to cabal update first.)

To install the latest version from the Git repository, clone the Git repository and then run:

cabal install --project-file=cabal.project.release cabal-install

Installing cabal-install without cabal-install

Assuming you don't have a pre-existing copy of cabal-install, look into bootstrap directory.