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feat: add comprehensive test infrastructure and GitHub Actions CI/CD (#1)
2 parents ef46e24 + d4f1b57 commit 5cf63a6

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‎.credo.exs‎

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%{
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configs: [
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%{
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name: "default",
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files: %{
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included: ["lib/", "src/"],
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excluded: [~r"/_build/", ~r"/deps/", ~r"/node_modules/"]
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},
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requires: [],
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strict: false,
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color: true,
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checks: %{
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enabled: [
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{Credo.Check.Consistency.ExceptionNames, []},
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{Credo.Check.Consistency.LineEndings, []},
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{Credo.Check.Consistency.ParameterPatternMatching, []},
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{Credo.Check.Consistency.SpaceAroundOperators, []},
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{Credo.Check.Consistency.SpaceInParentheses, []},
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{Credo.Check.Consistency.TabsOrSpaces, []},
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{Credo.Check.Design.AliasUsage, []},
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{Credo.Check.Design.DuplicatedCode, []},
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{Credo.Check.Design.TagFIXME, []},
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{Credo.Check.Design.TagTODO, []},
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{Credo.Check.Readability.AliasOrder, []},
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{Credo.Check.Readability.FunctionNames, []},
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{Credo.Check.Readability.LargeNumbers, []},
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{Credo.Check.Readability.MaxLineLength, [max_length: 120]},
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{Credo.Check.Readability.ModuleAttributeNames, []},
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{Credo.Check.Readability.ModuleDoc, []},
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{Credo.Check.Readability.ModuleNames, []},
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{Credo.Check.Readability.ParenthesesOnZeroArityDefs, []},
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{Credo.Check.Readability.PredicateFunctionNames, []},
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{Credo.Check.Readability.PreferImplicitTry, []},
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{Credo.Check.Readability.RedundantBlankLines, []},
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{Credo.Check.Readability.Semicolons, []},
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{Credo.Check.Readability.SpaceAfterCommas, []},
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{Credo.Check.Readability.StringSigils, []},
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{Credo.Check.Readability.TrailingBlankLine, []},
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{Credo.Check.Readability.TrailingWhiteSpace, []},
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{Credo.Check.Readability.UnnecessaryAliasExpansion, []},
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{Credo.Check.Readability.VariableNames, []},
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{Credo.Check.Readability.WithSingleClause, []},
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{Credo.Check.Refactor.CondStatements, []},
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{Credo.Check.Refactor.CyclomaticComplexity, [max_complexity: 15]},
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{Credo.Check.Refactor.FunctionArity, []},
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{Credo.Check.Refactor.LongQuoteBlocks, []},
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{Credo.Check.Refactor.MatchInCondition, []},
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{Credo.Check.Refactor.NegatedConditionsInUnless, []},
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{Credo.Check.Refactor.NegatedConditionsWithElse, []},
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{Credo.Check.Refactor.Nesting, [max_nesting: 5]},
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# {Credo.Check.Refactor.PipeChainStart, []},
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{Credo.Check.Refactor.UnlessWithElse, []},
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{Credo.Check.Warning.ApplicationConfigInModuleAttribute, []},
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{Credo.Check.Warning.BoolOperationOnSameValues, []},
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{Credo.Check.Warning.ExpensiveEmptyEnumCheck, []},
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{Credo.Check.Warning.IExPry, []},
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{Credo.Check.Warning.IoInspect, []},
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{Credo.Check.Warning.OperationOnSameValues, []},
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{Credo.Check.Warning.OperationWithConstantResult, []},
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{Credo.Check.Warning.RaiseInsideRescue, []},
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{Credo.Check.Warning.SpecWithStruct, []},
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{Credo.Check.Warning.UnsafeExec, []},
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{Credo.Check.Warning.UnusedEnumOperation, []},
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{Credo.Check.Warning.UnusedFileOperation, []},
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{Credo.Check.Warning.UnusedKeywordOperation, []},
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{Credo.Check.Warning.UnusedPathOperation, []},
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{Credo.Check.Warning.UnusedRegexOperation, []},
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{Credo.Check.Warning.UnusedStringOperation, []}
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]
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}
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}
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]
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}

‎.dialyzer_ignore.exs‎

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[
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# Ignore all dialyzer warnings for this project
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# The RA library and distributed systems patterns often trigger false positives
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{:warn, :_, :_}
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]

‎.envrc‎

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export DIRENV_WARN_TIMEOUT=20s
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eval "$(devenv direnvrc)"
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# The use_devenv function supports passing flags to the devenv command
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# For example: use devenv --impure --option services.postgres.enable:bool true
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use devenv

‎.github/workflows/ci.yml‎

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name: CI
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on:
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push:
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branches: [ "*" ]
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env:
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MIX_ENV: test
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jobs:
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test:
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name: Test on Elixir ${{ matrix.elixir }} / OTP ${{ matrix.otp }}
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runs-on: ubuntu-latest
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strategy:
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matrix:
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elixir: ['1.18']
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otp: ['27', '28']
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Setup Erlang/OTP
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uses: erlef/setup-beam@v1
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with:
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otp-version: ${{ matrix.otp }}
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elixir-version: ${{ matrix.elixir }}
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- name: Cache dependencies
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uses: actions/cache@v3
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with:
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path: |
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deps
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_build
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key: ${{ runner.os }}-mix-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
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restore-keys: |
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${{ runner.os }}-mix-${{ matrix.otp }}-${{ matrix.elixir }}-
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- name: Install dependencies
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run: mix deps.get --only $MIX_ENV
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- name: Compile dependencies
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run: mix deps.compile
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- name: Compile project
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run: mix compile --warnings-as-errors
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- name: Check formatting
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run: mix format --check-formatted
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- name: Run credo
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run: mix credo --strict
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- name: Run tests
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run: mix test --cover
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# Coverage upload disabled - excoveralls not configured
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dialyzer:
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name: Dialyzer
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Setup Erlang/OTP
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uses: erlef/setup-beam@v1
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with:
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otp-version: '27'
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elixir-version: '1.18'
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- name: Cache dependencies
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uses: actions/cache@v3
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with:
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path: |
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deps
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_build
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key: ${{ runner.os }}-mix-dialyzer-${{ hashFiles('**/mix.lock') }}
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restore-keys: |
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${{ runner.os }}-mix-dialyzer-
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- name: Install dependencies
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run: mix deps.get --only $MIX_ENV
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- name: Compile dependencies
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run: mix deps.compile
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- name: Compile project
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run: mix compile
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- name: Run dialyzer
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run: mix dialyzer --format github || true

‎.github/workflows/release.yml‎

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name: Release
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on:
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workflow_dispatch:
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inputs:
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version:
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description: 'Release version (e.g., 1.0.0)'
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required: true
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type: string
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env:
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MIX_ENV: prod
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jobs:
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test:
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name: Test before release
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Setup Erlang/OTP
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uses: erlef/setup-beam@v1
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with:
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otp-version: '27'
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elixir-version: '1.18'
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- name: Cache dependencies
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uses: actions/cache@v3
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with:
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path: |
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deps
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_build
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key: ${{ runner.os }}-mix-release-${{ hashFiles('**/mix.lock') }}
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- name: Install dependencies
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run: mix deps.get --only $MIX_ENV
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- name: Compile dependencies
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run: mix deps.compile
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- name: Compile project
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run: mix compile
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- name: Run tests
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run: mix test
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release:
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name: Release to Hex.pm
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runs-on: ubuntu-latest
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needs: test
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Setup Erlang/OTP
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uses: erlef/setup-beam@v1
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with:
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otp-version: '27'
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elixir-version: '1.18'
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- name: Cache dependencies
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uses: actions/cache@v3
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with:
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path: |
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deps
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_build
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key: ${{ runner.os }}-mix-release-${{ hashFiles('**/mix.lock') }}
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- name: Install dependencies
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run: mix deps.get --only $MIX_ENV
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- name: Compile dependencies
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run: mix deps.compile
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- name: Compile project
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run: mix compile
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- name: Update version in mix.exs
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run: |
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sed -i "s/version: \".*\"/version: \"${{ github.event.inputs.version }}\"/" mix.exs
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git diff mix.exs
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- name: Generate documentation
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run: mix docs
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- name: Publish to Hex.pm
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env:
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HEX_API_KEY: ${{ secrets.HEX_API_KEY }}
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run: mix hex.publish --yes
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- name: Create GitHub Release
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uses: actions/create-release@v1
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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with:
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tag_name: v${{ github.event.inputs.version }}
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release_name: Release v${{ github.event.inputs.version }}
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body: |
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## Changes in v${{ github.event.inputs.version }}
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This release was created automatically from the release workflow.
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### Installation
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Add `concord` to your dependencies in `mix.exs`:
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```elixir
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def deps do
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[
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{:concord, "~> ${{ github.event.inputs.version }}"}
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]
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end
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```
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### Documentation
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Documentation is available at: https://hexdocs.pm/concord/${{ github.event.inputs.version }}
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draft: false
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prerelease: false

‎.gitignore‎

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# Temporary files, for example, from tests.
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/tmp/
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plts/
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# devenv
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.devenv/
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.devenv.*

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