Viper update

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.go]
+indent_style = tab
+
+[{Makefile, *.mk}]
+indent_style = tab

.github/.editorconfig

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+[*.yml]
+indent_size = 2

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: 🐛 Bug report
+about: Report a bug to help us improve Viper
+labels: kind/bug
+---
+<!--
+Thank you for sending a bug report! Here are some tips:
+
+1. Please fill out the template below to make it easier to debug your problem.
+2. If you are not sure if it is a bug or not, you can ask in the Gophers slack channel `#viper`.
+-->
+
+**Expected behavior (what you expected to happen)**:
+
+**Actual behavior (what actually happened)**:
+
+**Repl.it link**:
+<!-- you can use the following example: https://repl.it/@sagikazarmark/Viper-example -->
+
+**Code reproducing the issue**:
+<!-- just to make sure the content of the repl doesn't get lost -->
+
+```go
+
+```
+
+<!-- include configuration file example if necessary -->
+
+**Environment**:
+- Viper version:
+- Config source: <!-- flag, env, file, etc -->
+- File format: <!-- JSON, YAML, TOML, etc -->
+
+**Anything else we should know?**:

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: ❓ Ask a question
+    url: https://github.com/spf13/viper/discussions/new?category=q-a
+    about:  Ask and discuss questions with other Viper community members
+
+  - name: 📓 Reference
+    url: https://pkg.go.dev/mod/github.com/spf13/viper
+    about: Check the Go code reference
+
+  - name: 💬 Slack channel
+    url: https://gophers.slack.com/messages/viper
+    about: Please ask and answer questions here

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: 🚀 Feature request
+about: Suggest an idea for Viper
+labels: kind/enhancement
+---
+<!--
+ Thank you for sending a feature request!
+ Please describe what you would like to change/add and why in detail by filling out the template below.
+ -->
+
+**Is your feature request related to a problem? Please describe.**
+<!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->
+
+**Describe the solution you'd like to see**
+<!-- A clear and concise description of what would you like to happen. -->
+
+**Describe alternatives you've considered**
+<!-- A clear and concise description of any alternative solutions or features you've considered. -->
+
+**Additional context**
+<!-- Add any other context or screenshots about the feature request here. -->

.github/PULL_REQUEST_TEMPLATES.md

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+<!--
+Thank you for sending a pull request! Here some tips for contributors:
+
+1. Fill the description template below.
+2. Include appropriate tests (if necessary). Make sure that all CI checks passed.
+3. If the Pull Request is a work in progress, make use of GitHub's "Draft PR" feature and mark it as such.
+-->
+
+**Overview**:
+<!-- Describe your changes briefly here. -->
+
+**What problem does it solve?**:
+<!--
+- Please state in detail why we need this PR and what it solves.
+- If your PR closes some of the existing issues, please add links to them here.
+  Mentioned issues will be automatically closed.
+  Usage: "Closes #<issue number>", or "Closes (paste link of issue)"
+-->
+
+**Special notes for a reviewer**:

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  build:
+    name: Build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        go: ['1.14', '1.15', '1.16']
+    env:
+      VERBOSE: 1
+      GOFLAGS: -mod=readonly
+      GOPROXY: https://proxy.golang.org
+
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Lint
+        run: make lint
+
+      - name: Test
+        run: make test

.github/workflows/feedback_issue.yml

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+on:
+  issues:
+    types: [opened]
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v3
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            github.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: `👋 Thanks for reporting!
+
+            A maintainer will take a look at your issue shortly. 👀
+
+            In the meantime: We are working on **Viper v2** and we would love to hear your thoughts about what you like or don't like about Viper, so we can improve or fix those issues.
+
+            ⏰ If you have a couple minutes, please take some time and share your thoughts: https://forms.gle/R6faU74qPRPAzchZ9
+
+            📣 If you've already given us your feedback, you can still help by spreading the news,
+            either by sharing the above link or telling people about this on Twitter:
+
+            https://twitter.com/sagikazarmark/status/1306904078967074816
+
+            **Thank you!** ❤️
+            `,
+            })

.github/workflows/feedback_pull_request.yml

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+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v3
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            github.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: `👋 Thanks for contributing to Viper! You are awesome! 🎉
+
+            A maintainer will take a look at your pull request shortly. 👀
+
+            In the meantime: We are working on **Viper v2** and we would love to hear your thoughts about what you like or don't like about Viper, so we can improve or fix those issues.
+
+            ⏰ If you have a couple minutes, please take some time and share your thoughts: https://forms.gle/R6faU74qPRPAzchZ9
+
+            📣 If you've already given us your feedback, you can still help by spreading the news,
+            either by sharing the above link or telling people about this on Twitter:
+
+            https://twitter.com/sagikazarmark/status/1306904078967074816
+
+            **Thank you!** ❤️
+            `,
+            })

.gitignore

@@ -1,29 +1,5 @@
-# Compiled Object files, Static and Dynamic libs (Shared Objects)
-*.o
-*.a
-*.so
-
-# Folders
-_obj
-_test
-
-# Architecture specific extensions/prefixes
-*.[568vq]
-[568vq].out
-
-*.cgo1.go
-*.cgo2.c
-_cgo_defun.c
-_cgo_gotypes.go
-_cgo_export.*
-
-_testmain.go
-
-*.exe
-*.test
-*.bench
-
-.vscode
-
-# exclude dependencies in the `/vendor` folder
-vendor
+/.idea/
+/bin/
+/build/
+/var/
+/vendor/

.golangci.yml

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+run:
+    timeout: 5m
+
+linters-settings:
+    gci:
+        local-prefixes: github.com/spf13/viper
+    golint:
+        min-confidence: 0
+    goimports:
+        local-prefixes: github.com/spf13/viper
+
+linters:
+    disable-all: true
+    enable:
+        - bodyclose
+        - deadcode
+        - dogsled
+        - dupl
+        - exhaustive
+        - exportloopref
+        - gci
+        - goconst
+        - gofmt
+        - gofumpt
+        - goimports
+        - golint
+        - goprintffuncname
+        - govet
+        - ineffassign
+        - misspell
+        - nakedret
+        - noctx
+        - nolintlint
+        - prealloc
+        - rowserrcheck
+        - sqlclosecheck
+        - staticcheck
+        - structcheck
+        - stylecheck
+        - typecheck
+        - unconvert
+        - unparam
+        - unused
+        - varcheck
+        - whitespace
+
+        # fixme
+        # - errcheck
+        # - gochecknoglobals
+        # - gochecknoinits
+        # - gocognit
+        # - gocritic
+        # - gocyclo
+        # - godot
+        # - gosec
+        # - gosimple
+        # - lll
+        # - nlreturn
+        # - scopelint
+
+        # unused
+        # - depguard
+        # - goheader
+        # - gomodguard
+
+        # don't enable:
+        # - asciicheck
+        # - funlen
+        # - godox
+        # - goerr113
+        # - gomnd
+        # - interfacer
+        # - maligned
+        # - nestif
+        # - testpackage
+        # - wsl