Renewal

.github/workflows/main.yml

@@ -0,0 +1,27 @@
+name: Build & cache
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: cachix/install-nix-action@v31
+      with:
+        extra_nix_config: |
+          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+          substituters = https://cache.iog.io/ https://cache.nixos.org/
+          allow-import-from-derivation = true
+          accept-flake-config = true
+          download-buffer-size = 524288000
+        nix_path: nixpkgs=channel:nixos-unstable
+    - uses: cachix/cachix-action@v15
+      with:
+        name: inguncache
+        authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+    - run: |
+        # nix run "github:input-output-hk/haskell.nix#hix" -- init
+        # echo "------ Content of flake.nix ------"
+        # cat flake.nix
+        # echo "----- Content of nix/hix.nix -----"
+        # cat nix/hix.nix
+        nix build .#answers-script:exe:answers-script

.gitignore

@@ -1,85 +1,3 @@
-.cabal-sandbox/
-cabal.sandbox.config
-cabal.project.local
-.ghc.environment.*
-cabal-dev/
-.hpc/
-*.hi
-*.o
-*.p_hi
-*.prof
-*.tix
-dist
-dist-*
-register.sh
-./cabal.config
-cabal-tests.log
-bootstrap/*.plan.json
-
-/Cabal/dist/
-/Cabal/tests/Setup
-/Cabal/Setup
-/Cabal/source-file-list
-
-/cabal-install/dist/
-/cabal-install/Setup
-/cabal-install/source-file-list
-
-.stylish-haskell.yaml
-.stylish-haskell.yml
-.ghci
-.ghcid
-
-# Output of release and bootstrap
-_build
-
-# editor temp files
-
-*#
-.#*
-*~
-.*.swp
-*.bak
-
-# GHC build
-
-Cabal/GNUmakefile
-Cabal/dist-boot/
-Cabal/dist-install/
-Cabal/ghc.mk
-
-
-# TAGS files
-TAGS
-tags
-ctags
-
-# stack artifacts
-/.stack-work/
-stack.yaml.lock
-
-# Shake artifacts
-.shake*
-progress.txt
-
-# test files
-register.sh
-
-# windows test artifacts
-cabal-testsuite/**/*.exe
-cabal-testsuite/**/*.bat
-
-# python artifacts from documentation builds
-*.pyc
-.python-sphinx-virtualenv/
-/doc/.skjold_cache/
-
-# macOS folder metadata
-.DS_Store
-
-# benchmarks
-bench.html
-
-# Emacs
-.projectile
-/test/dst/
+/dist-newstyle
+/test/dst
+/cabal.project.freeze

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "test/answers-db"]
+	path = test/answers-db
+	url = https://github.com/ingun37/answers-db.git
+	branch = test-data

LICENSE

@@ -0,0 +1,29 @@
+Copyright (c) 2025, Ingun Jon
+
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of the copyright holder nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

@@ -1,45 +1,72 @@
-# Answers Script
+# Build MacOS
 
-## Generate default.nix
+```sh
+# for building gitlib packages 
+brew install pkgconf
+brew install icu4c
+brew install openssl@3
 
-```shell
-nix-shell -p cabal2nix
-cabal2nix --no-check ./. > default.nix
-```
-
-## Generate shell.nix
+# /usr/local/opt/openssl is hard coded in the gitlib build setting.
+ln -s $(brew --prefix openssl@3)/3.5.2 /usr/local/opt/openssl
 
-```shell
-nix-shell -p cabal2nix
-cabal2nix --shell --no-check ./. > shell.nix
+echo "export PKG_CONFIG_PATH=\"$(brew --prefix)/opt/icu4c/lib/pkgconfig\"" >> ~/.zprofile
 ```
 
-## Build
+```sh
+cabal build
+```
 
-**Don't just build using Cabal!!** it will take forever because of Pandoc.
+# Data flow
 
-Build in Nix environment
+```mermaid
+flowchart LR
+    n1["src"] --> n2(("directory-tree<br>readDirectoryWithL"))
+    n3["myReader"] --> n2
+    n2 --> n4["AnchoredDirTree FileType"]
+    n4 --> n5(("directory-tree<br>filterDir"))
+    n5 --> n8(("unfoldTree"))
+    n9["myUnfolder"] --> n8
+    n8 --> n10["Tree Item"]
+    n11["myFilter"] --> n5
+    n10 --> n12(("recurse"))
+    n13["myWriter"] --> n12
+    n12 --> n14["[Effect]"]
 
-```shell
-# Enter Nix environment defined in shell.nix
-nix-shell
-# Use executable
-answers-script ...
+    n1@{ shape: rect}
+    n9@{ shape: rect}
 ```
 
-## Test
+# CI/CD
 
-```shell
-nix-shell
-cabal --enable-nix test
+Check the sha1 of gitlib like this
+
+```sh
+nix-shell -p nix-prefetch-git 
+nix-prefetch-git https://github.com/jwiegley/gitlib.git bf256617179d853bdbc12e9283b3f570ebb9d9d7 --fetch-submodules
 ```
 
-## Install from other machines
+Output is like
 
-```shell
-TAR="https://github.com/ingun37/answers-script/archive/refs/tags/1.0.1.tar.gz"
-# sandboxing
-nix-shell -p "with import <nixpkgs> {}; let f = import (fetchTarball $TAR); in haskellPackages.callPackage f {}"
-# no sandboxing
-nix-env --install -E "with import <nixpkgs> {}; let f = import (fetchTarball $TAR); in _: (haskellPackages.callPackage f {})"
 ```
+git revision is bf256617179d853bdbc12e9283b3f570ebb9d9d7
+path is /nix/store/63bx4k5nwjqwk7gv0a0k8adq796bjbpr-gitlib-bf25661
+git human-readable version is -- none --
+Commit date is 2025-09-04 11:17:27 -0700
+hash is 13k3aymqwzpcijnjjka820nv6rkgakzbvh13glw98p1c4yhqwcbf
+{
+  "url": "https://github.com/jwiegley/gitlib.git",
+  "rev": "bf256617179d853bdbc12e9283b3f570ebb9d9d7",
+  "date": "2025-09-04T11:17:27-07:00",
+  "path": "/nix/store/63bx4k5nwjqwk7gv0a0k8adq796bjbpr-gitlib-bf25661",
+  "sha256": "13k3aymqwzpcijnjjka820nv6rkgakzbvh13glw98p1c4yhqwcbf",
+  "hash": "sha256-bjGOoScsXJQ4fSPAvf5Ub2azLRBITSmtjOx+jqtXY44=",
+  "fetchLFS": false,
+  "fetchSubmodules": true,
+  "deepClone": false,
+  "fetchTags": false,
+  "leaveDotGit": false,
+  "rootDir": ""
+}
+```
+
+Use the "sha256" for the `--sha256` field in the `cabal.project`.