From b073579e6872f64fd4f28a10ab8e3625a92cfe0d Mon Sep 17 00:00:00 2001
From: Igot Nemilentsev <trezorg@gmail.com>
Date: Wed, 31 Aug 2022 23:09:53 +0300
Subject: [PATCH 1/6] Added .golangci.yml

---
 Makefile                                |  2 +-
 pkg/api/api.go                          | 10 +++++-----
 pkg/api/items.go                        |  2 +-
 pkg/api/testing/translate_words_test.go |  4 ++--
 pkg/api/utils.go                        |  4 ++--
 pkg/files/download.go                   | 12 ++++++------
 pkg/heap/heap.go                        |  4 ++--
 pkg/translator/linguleo.go              |  3 +--
 8 files changed, 20 insertions(+), 21 deletions(-)

diff --git a/Makefile b/Makefile
index e007882..e9efe81 100644
--- a/Makefile
+++ b/Makefile
@@ -78,7 +78,7 @@ golangci:
 ifndef HAS_GOLANGCI
 	curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin v1.49.0
 endif
-	golangci-lint run ./...
+	golangci-lint run
 
 cover: work
 	go test $(TESTARGS) -tags=unit -cover -coverpkg=./ ./...
diff --git a/pkg/api/api.go b/pkg/api/api.go
index 17decd5..67362fe 100644
--- a/pkg/api/api.go
+++ b/pkg/api/api.go
@@ -144,7 +144,7 @@ func debugResponse(response *http.Response) {
 }
 
 func request(method string, url string, client *http.Client, body []byte, query string, debug bool) (*string, error) {
-	var requestBody io.Reader = nil
+	var requestBody io.Reader
 	if len(body) > 0 {
 		requestBody = bytes.NewBuffer(body)
 	}
@@ -178,9 +178,9 @@ func request(method string, url string, client *http.Client, body []byte, query
 		debugResponse(resp)
 	}
 	defer func() {
-		err := resp.Body.Close()
-		if err != nil {
-			logger.Error(err)
+		dErr := resp.Body.Close()
+		if dErr != nil {
+			logger.Error(dErr)
 		}
 	}()
 	responseBody, err := readBody(resp)
@@ -190,7 +190,7 @@ func request(method string, url string, client *http.Client, body []byte, query
 	}
 	if resp.StatusCode != 200 {
 		return nil, fmt.Errorf(
-			"Response status code: %d\nbody:\n%s",
+			"response status code: %d\nbody:\n%s",
 			resp.StatusCode,
 			*responseBody,
 		)
diff --git a/pkg/api/items.go b/pkg/api/items.go
index 1e4b516..e9a6ef0 100644
--- a/pkg/api/items.go
+++ b/pkg/api/items.go
@@ -95,7 +95,7 @@ func (result *TranslationResult) PrintTranslation() {
 	printTranslation(result)
 }
 
-// PrintAddedTranslation prints transcription diring adding operation
+// PrintAddedTranslation prints transcription during adding operation
 func (result *TranslationResult) PrintAddedTranslation() {
 	printAddedTranslation(result)
 }
diff --git a/pkg/api/testing/translate_words_test.go b/pkg/api/testing/translate_words_test.go
index 74099ed..0062a99 100644
--- a/pkg/api/testing/translate_words_test.go
+++ b/pkg/api/testing/translate_words_test.go
@@ -18,10 +18,10 @@ func TestTranslateWord(t *testing.T) {
 
 func TestTranslateWords(t *testing.T) {
 	searchWords := []string{fakeapi.SearchWord}
-	fakeApi := fakeapi.FakeAPI{}
+	fakeAPI := fakeapi.FakeAPI{}
 	ctx := context.Background()
 	ch := channel.ToStringChannel(ctx, searchWords...)
-	out := fakeApi.TranslateWords(ctx, ch)
+	out := fakeAPI.TranslateWords(ctx, ch)
 	res := (<-out).Result
 	fakeapi.CheckResult(t, res, searchWords[0], fakeapi.Expected)
 }
diff --git a/pkg/api/utils.go b/pkg/api/utils.go
index 81b89d5..b46cfb6 100644
--- a/pkg/api/utils.go
+++ b/pkg/api/utils.go
@@ -35,8 +35,8 @@ func fromResponse(result Result, body string) error {
 	err := getJSONFromString(body, result)
 	if err != nil {
 		res := NoResult{}
-		if err := getJSONFromString(body, res); err != nil {
-			return fmt.Errorf("cannot translate word: %s, %w", result.GetWord(), err)
+		if fErr := getJSONFromString(body, res); fErr != nil {
+			return fmt.Errorf("cannot translate word: %s, %w", result.GetWord(), fErr)
 		}
 		return err
 	}
diff --git a/pkg/files/download.go b/pkg/files/download.go
index 4cdb833..d8f0295 100644
--- a/pkg/files/download.go
+++ b/pkg/files/download.go
@@ -66,9 +66,9 @@ func (f *FileDownloader) DownloadFile() (string, error) {
 		return "", err
 	}
 	defer func() {
-		err := fd.Close()
-		if err != nil {
-			logger.Error(err)
+		cErr := fd.Close()
+		if cErr != nil {
+			logger.Error(cErr)
 		}
 	}()
 	resp, err := http.Get(f.URL)
@@ -76,9 +76,9 @@ func (f *FileDownloader) DownloadFile() (string, error) {
 		return "", fmt.Errorf("cannot read url: %s, %w", f.URL, err)
 	}
 	defer func() {
-		err := resp.Body.Close()
-		if err != nil {
-			logger.Error(err)
+		cErr := resp.Body.Close()
+		if cErr != nil {
+			logger.Error(cErr)
 		}
 	}()
 	if resp.StatusCode != http.StatusOK {
diff --git a/pkg/heap/heap.go b/pkg/heap/heap.go
index 3fd6b96..9d90ead 100644
--- a/pkg/heap/heap.go
+++ b/pkg/heap/heap.go
@@ -52,7 +52,7 @@ func (h *IndexedHeap) Pull() *IndexedItem {
 	if h.Len() == 0 {
 		return nil
 	}
-	message := heap.Pop(h).(IndexedItem)
+	message, _ := heap.Pop(h).(IndexedItem)
 	return &message
 }
 
@@ -60,7 +60,7 @@ func (h *IndexedHeap) PullWithCondition(check func(*IndexedItem) bool) *IndexedI
 	h.lock.Lock()
 	defer h.lock.Unlock()
 	if check(h.pick()) {
-		message := heap.Pop(h).(IndexedItem)
+		message, _ := heap.Pop(h).(IndexedItem)
 		return &message
 	}
 	return nil
diff --git a/pkg/translator/linguleo.go b/pkg/translator/linguleo.go
index 8070f9c..8d4d373 100644
--- a/pkg/translator/linguleo.go
+++ b/pkg/translator/linguleo.go
@@ -56,11 +56,10 @@ func NewLingualeo(version string) (Lingualeo, error) {
 	}
 	logger.InitLogger(client.LogLevel, client.LogPrettyPrint)
 	client.checkMediaPlayer()
-	a, err := api.NewAPI(client.Email, client.Password, client.Debug)
+	client.API, err = api.NewAPI(client.Email, client.Password, client.Debug)
 	if err != nil {
 		return client, err
 	}
-	client.API = a
 	return client, nil
 }
 

From 2eb5ad80705de5a43e19f6e80c40be1b000c98ee Mon Sep 17 00:00:00 2001
From: Ihar Niamilentsau <trezorg@gmail.com>
Date: Thu, 26 Jan 2023 16:15:36 +0300
Subject: [PATCH 2/6] Added .golangci.yml

---
 .golangci.yml | 280 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 280 insertions(+)
 create mode 100644 .golangci.yml

diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..9b43615
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,280 @@
+## Golden config for golangci-lint v1.46.2
+#
+# This is the best config for golangci-lint based on my experience and opinion.
+# It is very strict, but not extremely strict.
+# Feel free to adopt and change it for your needs.
+
+run:
+  # Timeout for analysis, e.g. 30s, 5m.
+  # Default: 1m
+  timeout: 3m
+
+  # Define the Go version limit.
+  # Mainly related to generics support in go1.18.
+  # Default: use Go version from the go.mod file, fallback on the env var `GOVERSION`, fallback on 1.17
+  go: "1.19" # TODO: change to 1.18 when most linters support it, see https://github.com/golangci/golangci-lint/issues/2649
+
+
+# This file contains only configs which differ from defaults.
+# All possible options can be found here https://github.com/golangci/golangci-lint/blob/master/.golangci.reference.yml
+linters-settings:
+  cyclop:
+    # The maximal code complexity to report.
+    # Default: 10
+    max-complexity: 30
+    # The maximal average package complexity.
+    # If it's higher than 0.0 (float) the check is enabled
+    # Default: 0.0
+    package-average: 10.0
+
+  errcheck:
+    # Report about not checking of errors in type assertions: `a := b.(MyStruct)`.
+    # Such cases aren't reported by default.
+    # Default: false
+    check-type-assertions: true
+
+  funlen:
+    # Checks the number of lines in a function.
+    # If lower than 0, disable the check.
+    # Default: 60
+    lines: 100
+    # Checks the number of statements in a function.
+    # If lower than 0, disable the check.
+    # Default: 40
+    statements: 50
+
+  gocognit:
+    # Minimal code complexity to report
+    # Default: 30 (but we recommend 10-20)
+    min-complexity: 20
+
+  gocritic:
+    # Settings passed to gocritic.
+    # The settings key is the name of a supported gocritic checker.
+    # The list of supported checkers can be find in https://go-critic.github.io/overview.
+    settings:
+      captLocal:
+        # Whether to restrict checker to params only.
+        # Default: true
+        paramsOnly: false
+      underef:
+        # Whether to skip (*x).method() calls where x is a pointer receiver.
+        # Default: true
+        skipRecvDeref: false
+
+  gomnd:
+    # List of function patterns to exclude from analysis.
+    # Values always ignored: `time.Date`
+    # Default: []
+    ignored-functions:
+      - os.Chmod
+      - os.Mkdir
+      - os.MkdirAll
+      - os.OpenFile
+      - os.WriteFile
+      - prometheus.ExponentialBuckets
+      - prometheus.ExponentialBucketsRange
+      - prometheus.LinearBuckets
+      - strconv.FormatFloat
+      - strconv.FormatInt
+      - strconv.FormatUint
+      - strconv.ParseFloat
+      - strconv.ParseInt
+      - strconv.ParseUint
+
+  gomodguard:
+    blocked:
+      # List of blocked modules.
+      # Default: []
+      modules:
+        - github.com/golang/protobuf:
+            recommendations:
+              - google.golang.org/protobuf
+            reason: "see https://developers.google.com/protocol-buffers/docs/reference/go/faq#modules"
+        - github.com/satori/go.uuid:
+            recommendations:
+              - github.com/google/uuid
+            reason: "satori's package is not maintained"
+        - github.com/gofrs/uuid:
+            recommendations:
+              - github.com/google/uuid
+            reason: "see recommendation from dev-infra team: https://confluence.gtforge.com/x/gQI6Aw"
+
+  govet:
+    # Enable all analyzers.
+    # Default: false
+    enable-all: true
+    # Disable analyzers by name.
+    # Run `go tool vet help` to see all analyzers.
+    # Default: []
+    disable:
+      - fieldalignment # too strict
+    # Settings per analyzer.
+    settings:
+      shadow:
+        # Whether to be strict about shadowing; can be noisy.
+        # Default: false
+        strict: true
+
+  nakedret:
+    # Make an issue if func has more lines of code than this setting, and it has naked returns.
+    # Default: 30
+    max-func-lines: 0
+
+  nolintlint:
+    # Exclude following linters from requiring an explanation.
+    # Default: []
+    allow-no-explanation: [ funlen, gocognit, lll ]
+    # Enable to require an explanation of nonzero length after each nolint directive.
+    # Default: false
+    require-explanation: true
+    # Enable to require nolint directives to mention the specific linter being suppressed.
+    # Default: false
+    require-specific: true
+
+  rowserrcheck:
+    # database/sql is always checked
+    # Default: []
+    packages:
+      - github.com/jmoiron/sqlx
+
+  tenv:
+    # The option `all` will run against whole test files (`_test.go`) regardless of method/function signatures.
+    # Otherwise, only methods that take `*testing.T`, `*testing.B`, and `testing.TB` as arguments are checked.
+    # Default: false
+    all: true
+
+  varcheck:
+    # Check usage of exported fields and variables.
+    # Default: false
+    exported-fields: false # default false # TODO: enable after fixing false positives
+
+
+linters:
+  disable-all: true
+  enable:
+    ## enabled by default
+    # - deadcode # Finds unused code
+    - errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases
+    - gosimple # Linter for Go source code that specializes in simplifying a code
+    - govet # Vet examines Go source code and reports suspicious constructs, such as Printf calls whose arguments do not align with the format string
+    - ineffassign # Detects when assignments to existing variables are not used
+    - staticcheck # Staticcheck is a go vet on steroids, applying a ton of static analysis checks
+    # - structcheck # Finds unused struct fields
+    - typecheck # Like the front-end of a Go compiler, parses and type-checks Go code
+    - unused # Checks Go code for unused constants, variables, functions and types
+    # - varcheck # Finds unused global variables and constants
+    ## disabled by default
+
+    # - asciicheck # Simple linter to check that your code does not contain non-ASCII identifiers
+    # - bidichk # Checks for dangerous unicode character sequences
+    - bodyclose # checks whether HTTP response body is closed successfully
+    - contextcheck # check the function whether use a non-inherited context
+    # - cyclop # checks function and package cyclomatic complexity
+    # - dupl # Tool for code clone detection
+    # - durationcheck # check for two durations multiplied together
+    # - errname # Checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error.
+    - errorlint # errorlint is a linter for that can be used to find code that will cause problems with the error wrapping scheme introduced in Go 1.13.
+    # - execinquery # execinquery is a linter about query string checker in Query function which reads your Go src files and warning it finds
+    # - exhaustive # check exhaustiveness of enum switch statements
+    # - exportloopref # checks for pointers to enclosing loop variables
+    # - forbidigo # Forbids identifiers
+    # - funlen # Tool for detection of long functions
+    # - gochecknoglobals # check that no global variables exist
+    # - gochecknoinits # Checks that no init functions are present in Go code
+    # - gocognit # Computes and checks the cognitive complexity of functions
+    # - goconst # Finds repeated strings that could be replaced by a constant
+    # - gocritic # Provides diagnostics that check for bugs, performance and style issues.
+    # - gocyclo # Computes and checks the cyclomatic complexity of functions
+    # - godot # Check if comments end in a period
+    - goimports # In addition to fixing imports, goimports also formats your code in the same style as gofmt.
+    # - gomnd # An analyzer to detect magic numbers.
+    # - gomoddirectives # Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod.
+    # - gomodguard # Allow and block list linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations.
+    # - goprintffuncname # Checks that printf-like functions are named with f at the end
+    # - gosec # Inspects source code for security problems
+    # - lll # Reports long lines
+    # - makezero # Finds slice declarations with non-zero initial length
+    # - nakedret # Finds naked returns in functions greater than a specified function length
+    # - nestif # Reports deeply nested if statements
+    # - nilerr # Finds the code that returns nil even if it checks that the error is not nil.
+    # - nilnil # Checks that there is no simultaneous return of nil error and an invalid value.
+    # - noctx # noctx finds sending http request without context.Context
+    # - nolintlint # Reports ill-formed or insufficient nolint directives
+    # - nonamedreturns # Reports all named returns
+    # - nosprintfhostport # Checks for misuse of Sprintf to construct a host with port in a URL.
+    # - predeclared # find code that shadows one of Go's predeclared identifiers
+    # - promlinter # Check Prometheus metrics naming via promlint
+    - revive # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.
+    # - rowserrcheck # checks whether Err of rows is checked successfully
+    # - sqlclosecheck # Checks that sql.Rows and sql.Stmt are closed.
+    - stylecheck # Stylecheck is a replacement for golint
+    - tenv # tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17
+    # - testpackage # linter that makes you use a separate _test package
+    # - tparallel # tparallel detects inappropriate usage of t.Parallel() method in your Go test codes
+    - unconvert # Remove unnecessary type conversions
+    - unparam # Reports unused function parameters
+    # - wastedassign # wastedassign finds wasted assignment statements.
+    # - whitespace # Tool for detection of leading and trailing whitespace
+
+    ## you may want to enable
+    #- decorder # check declaration order and count of types, constants, variables and functions
+    #- exhaustruct # Checks if all structure fields are initialized
+    #- goheader # Checks is file header matches to pattern
+    #- ireturn # Accept Interfaces, Return Concrete Types
+    #- prealloc # [premature optimization, but can be used in some cases] Finds slice declarations that could potentially be preallocated
+    #- varnamelen # [great idea, but too many false positives] checks that the length of a variable's name matches its scope
+    #- wrapcheck # Checks that errors returned from external packages are wrapped
+    ## disabled
+    #- containedctx # containedctx is a linter that detects struct contained context.Context field
+    #- depguard # [replaced by gomodguard] Go linter that checks if package imports are in a list of acceptable packages
+    #- dogsled # Checks assignments with too many blank identifiers (e.g. x, _, _, _, := f())
+    #- errchkjson # [don't see profit + I'm against of omitting errors like in the first example https://github.com/breml/errchkjson] Checks types passed to the json encoding functions. Reports unsupported types and optionally reports occasions, where the check for the returned error can be omitted.
+    #- forcetypeassert # [replaced by errcheck] finds forced type assertions
+    #- gci # Gci controls golang package import order and makes it always deterministic.
+    #- godox # Tool for detection of FIXME, TODO and other comment keywords
+    #- goerr113 # [too strict] Golang linter to check the errors handling expressions
+    #- gofmt # [replaced by goimports] Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification
+    #- gofumpt # [replaced by goimports, gofumports is not available yet] Gofumpt checks whether code was gofumpt-ed.
+    #- grouper # An analyzer to analyze expression groups.
+    #- ifshort # Checks that your code uses short syntax for if-statements whenever possible
+    #- importas # Enforces consistent import aliases
+    #- maintidx # maintidx measures the maintainability index of each function.
+    #- misspell # [useless] Finds commonly misspelled English words in comments
+    #- nlreturn # [too strict and mostly code is not more readable] nlreturn checks for a new line before return and branch statements to increase code clarity
+    #- paralleltest # [too many false positives] paralleltest detects missing usage of t.Parallel() method in your Go test
+    #- tagliatelle # Checks the struct tags.
+    #- thelper # thelper detects golang test helpers without t.Helper() call and checks the consistency of test helpers
+    #- wsl # [too strict and mostly code is not more readable] Whitespace Linter - Forces you to use empty lines!
+    ## deprecated
+    #- exhaustivestruct # [deprecated, replaced by exhaustruct] Checks if all struct's fields are initialized
+    #- golint # [deprecated, replaced by revive] Golint differs from gofmt. Gofmt reformats Go source code, whereas golint prints out style mistakes
+    #- interfacer # [deprecated] Linter that suggests narrower interface types
+    #- maligned # [deprecated, replaced by govet fieldalignment] Tool to detect Go structs that would take less memory if their fields were sorted
+    #- scopelint # [deprecated, replaced by exportloopref] Scopelint checks for unpinned variables in go programs
+
+
+issues:
+  # Maximum count of issues with the same text.
+  # Set to 0 to disable.
+  # Default: 3
+  max-same-issues: 50
+
+  exclude-rules:
+    - source: "^//\\s*go:generate\\s"
+      linters: [ lll ]
+    - source: "(noinspection|TODO)"
+      linters: [ godot ]
+    - source: "//noinspection"
+      linters: [ gocritic ]
+    - source: "^\\s+if _, ok := err\\.\\([^.]+\\.InternalError\\); ok {"
+      linters: [ errorlint ]
+    - path: "_test\\.go"
+      linters:
+        - bodyclose
+        - dupl
+        - funlen
+        - goconst
+        - gosec
+        - noctx
+        - wrapcheck

From c93a65e2133084cd72e30d953e79e305209f0c6f Mon Sep 17 00:00:00 2001
From: Ihar Niamilentsau <trezorg@gmail.com>
Date: Thu, 26 Jan 2023 16:21:47 +0300
Subject: [PATCH 3/6] Updated build pipeline

---
 .github/workflows/go.yml | 109 +++++++++++++++++++++++++++------------
 .gitignore               |   2 +-
 Makefile                 |  28 ++++------
 README.md                |   2 +-
 build.sh                 |   5 ++
 install.sh               |  57 ++++++++++++++++++++
 6 files changed, 151 insertions(+), 52 deletions(-)
 create mode 100644 build.sh
 create mode 100644 install.sh

diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 4888a38..10b5e73 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -2,42 +2,87 @@ name: Go
 
 on:
   push:
-    tags:        
-      - 'v*'
+    tags:
+      - "v*"
 
 jobs:
-
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: 1.19
+
+      - name: Test
+        run: make check test
 
-    - name: Set up Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.17
+      - name: Build
+        run: bash ./build.sh
 
-    - name: Build
-      run: make build
-    
-    - name: Create Release
-      id: release
-      uses: actions/create-release@v1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        tag_name: ${{ github.ref }}
-        release_name: Release ${{ github.ref }}
-        draft: false
-        prerelease: false
-    - name: Upload Release Asset
-      id: upload-release-asset 
-      uses: actions/upload-release-asset@v1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
-        asset_path: ./lingualeo
-        asset_name: lingualeo
-        asset_content_type: application/octet-stream
-    
+      - name: Create Release
+        id: release
+        uses: actions/create-release@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+      - name: Upload Release Asset Linux AMD64
+        uses: actions/upload-release-asset@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.release.outputs.upload_url }}
+          asset_path: ./build/lingualeo-linux-amd64
+          asset_name: lingualeo-linux-amd64
+          asset_content_type: application/octet-stream
+      - name: Upload Release Asset Linux ARM64
+        uses: actions/upload-release-asset@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.release.outputs.upload_url }}
+          asset_path: ./build/lingualeo-linux-arm64
+          asset_name: lingualeo-linux-arm64
+          asset_content_type: application/octet-stream
+      - name: Upload Release Asset Darwin AMD64
+        uses: actions/upload-release-asset@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.release.outputs.upload_url }}
+          asset_path: ./build/lingualeo-darwin-amd64
+          asset_name: lingualeo-darwin-amd64
+          asset_content_type: application/octet-stream
+      - name: Upload Release Asset Darwin ARM64
+        uses: actions/upload-release-asset@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.release.outputs.upload_url }}
+          asset_path: ./build/lingualeo-darwin-arm64
+          asset_name: lingualeo-darwin-arm64
+          asset_content_type: application/octet-stream
+      - name: Upload Release Asset Windows AMD64
+        uses: actions/upload-release-asset@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.release.outputs.upload_url }}
+          asset_path: ./build/lingualeo-windows-amd64
+          asset_name: lingualeo-windows-amd64
+          asset_content_type: application/octet-stream
+      - name: Upload Release Asset Windows ARM64
+        uses: actions/upload-release-asset@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.release.outputs.upload_url }}
+          asset_path: ./build/lingualeo-windows-arm64
+          asset_name: lingualeo-windows-arm64
+          asset_content_type: application/octet-stream
diff --git a/.gitignore b/.gitignore
index 8c617c9..2d91b54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 .vscode
-/lingualeo
+/lingualeo*
 .idea
diff --git a/Makefile b/Makefile
index e9efe81..56bcee0 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,6 @@ PKG := $(shell awk '/^module/ { print $$2 }' go.mod)
 DEST := $(GOPATH)/src/$(GIT_HOST)/$(BASE_DIR)
 SOURCES := $(shell find $(DEST) -name '*.go' 2>/dev/null)
 HAS_GOLANGCI := $(shell command -v golangci-lint;)
-HAS_GOIMPORTS := $(shell command -v goimports;)
 
 TARGETS		?= darwin/amd64 linux/amd64 linux/386 linux/arm linux/arm64 linux/ppc64le linux/s390x
 DIST_DIRS	= find * -type d -exec
@@ -26,7 +25,7 @@ TEMP_DIR	:=$(shell mktemp -d)
 GOOS		?= $(shell go env GOOS)
 VERSION		?= $(shell git describe --tags 2> /dev/null || \
 			   git describe --match=$(git rev-parse --short=8 HEAD) --always --dirty --abbrev=8)
-GOARCH		:= amd64
+GOARCH		?= $(shell go env GOARCH)
 TAGS		:=
 LDFLAGS		:= "-w -s -X 'main.version=${VERSION}'"
 CMD_PACKAGE := ./cmd/lingualeo
@@ -43,7 +42,13 @@ work: $(GOBIN)
 build: clean cache check test
 	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(GOARCH) go build \
 	-ldflags $(LDFLAGS) \
-	-o $(BINARY) \
+	-o $(BINARY)-$(GOOS)-$(GOARCH) \
+	$(CMD_PACKAGE)
+
+build_no_tests:
+	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(GOARCH) go build \
+	-ldflags $(LDFLAGS) \
+	-o build/$(BINARY)-$(GOOS)-$(GOARCH) \
 	$(CMD_PACKAGE)
 
 cache:
@@ -56,21 +61,13 @@ install: clean check test
 
 test: unit
 
-check: work prepare fmt vet goimports golangci
+check: work prepare fmt vet golangci
 unit: work
 	go test -tags=unit $(TESTARGS) ./...
 
 fmt:
 	go fmt ./...
 
-goimports:
-ifndef HAS_GOIMPORTS
-	echo "installing goimports"
-	GO111MODULE=off go get golang.org/x/tools/cmd/goimports
-endif
-	goimports -d $(shell find . -path ./.go -prune -o -type f -iname "*.go")
-	find . -iname "*.go"
-
 vet:
 	go vet ./...
 
@@ -89,11 +86,6 @@ ifndef HAS_GOLANGCI
 	curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin v1.49.0
 endif
 	echo "golangci-lint already installed"
-ifndef HAS_GOIMPORTS
-	echo "installing goimports"
-	GO111MODULE=off go get golang.org/x/tools/cmd/goimports
-endif
-	echo "goimports already installed"
 
 shell:
 	$(SHELL) -i
@@ -104,4 +96,4 @@ clean: work
 version:
 	@echo ${VERSION}
 
-.PHONY: install build cover work fmt test version clean prepare
+.PHONY: install build build_no_tests -cover work fmt test version clean prepare
diff --git a/README.md b/README.md
index b56e73d..098f30a 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Lingualeo API console helper
 Install
 ------------------------------------
 
-    go get -u github.com/trezorg/lingualeo/cmd/lingualeo
+    curl -sfL https://raw.githubusercontent.com/trezorg/lingualeo/master/install.sh | sh -s -- -d your_directory
 
 Using
 ------------------------------------
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..9509f5a
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,5 @@
+for os in linux darwin windows; do
+	for arch in amd64 arm64;
+		do make build_no_tests GOOS="${os}" GOARCH="${arch}"
+	done
+done
diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..c0b108d
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,57 @@
+#!/usr/bin/env sh
+
+set -eou pipefail
+
+function usage() {
+    echo "Usage: $0 [ -d directory ]"
+    exit 2
+}
+
+INSTALL_DIR="${HOME}/bin"
+NAME=lingualeo
+OS=$(uname -o | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m | tr '[:upper:]' '[:lower:]')
+
+if which go &>/dev/null; then
+    gobin=$(go env GOBIN)
+    gopath="$(go env GOPATH)"
+    gopathbin="${gopath}/bin"
+    if [ -n "${gobin}" ] && [ -d "${gobin}" ]; then
+        INSTALL_DIR="${gobin}"
+    elif [ -n "${gopath}" ] && [ -d ${gopathbin} ]; then
+        INSTALL_DIR="${gopathbin}"
+    fi
+fi
+
+while getopts hd: flag; do
+    case "${flag}" in
+    d) INSTALL_DIR=${OPTARG} ;;
+    h) usage ;;
+    *) usage ;;
+    esac
+done
+
+if [ ! -d "${INSTALL_DIR}" ]; then
+    echo "Directory ${INSTALL_DIR} does not exist"
+    exit 1
+fi
+if [ ! -w "${INSTALL_DIR}" ]; then
+    echo "Directory ${INSTALL_DIR} is not writable"
+    exit 1
+fi
+APP_PATH="${INSTALL_DIR}/${NAME}"
+
+echo "Installalling into ${APP_PATH}..."
+
+TAG_NAME=$(curl -s https://api.github.com/repos/trezorg/k8spodsmetrics/releases/latest | jq -r '.tag_name')
+DOWNLOAD_URL="https://github.com/trezorg/${NAME}/releases/download/${TAG_NAME}/${NAME}-${OS}-${ARCH}"
+
+if ! curl --fail-with-body -sL "${DOWNLOAD_URL}" -o "${APP_PATH}"; then
+    err=$?
+    echo "Failed to download ${DOWNLOAD_URL} into ${APP_PATH}"
+    exit ${err}
+fi
+
+chmod +x "${APP_PATH}"
+"${NAME}" --help
+echo $?

From 06e0aeae79244ece10adaa53e9f61eaaec7fd00c Mon Sep 17 00:00:00 2001
From: Ihar Niamilentsau <trezorg@gmail.com>
Date: Thu, 26 Jan 2023 19:37:37 +0300
Subject: [PATCH 4/6] Fixed install.sh

---
 install.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/install.sh b/install.sh
index c0b108d..d75137a 100644
--- a/install.sh
+++ b/install.sh
@@ -43,7 +43,7 @@ APP_PATH="${INSTALL_DIR}/${NAME}"
 
 echo "Installalling into ${APP_PATH}..."
 
-TAG_NAME=$(curl -s https://api.github.com/repos/trezorg/k8spodsmetrics/releases/latest | jq -r '.tag_name')
+TAG_NAME=$(curl -s https://api.github.com/repos/trezorg/${NAME}/releases/latest | awk -F ':' '/tag_name/ { gsub("[\", ]", "", $2); print $2 }')
 DOWNLOAD_URL="https://github.com/trezorg/${NAME}/releases/download/${TAG_NAME}/${NAME}-${OS}-${ARCH}"
 
 if ! curl --fail-with-body -sL "${DOWNLOAD_URL}" -o "${APP_PATH}"; then

From 453ed7c755cabf1bb309ebc34171945222150eba Mon Sep 17 00:00:00 2001
From: Ihar Niamilentsau <trezorg@gmail.com>
Date: Fri, 27 Jan 2023 23:02:43 +0300
Subject: [PATCH 5/6] Bump go version to 1.9 Generics for channels

---
 go.mod                                  |   2 +-
 internal/fakeapi/api.go                 |   2 +-
 pkg/api/api.go                          |   2 +-
 pkg/api/testing/translate_words_test.go |   2 +-
 pkg/channel/patterns.go                 | 118 +-----------------------
 pkg/files/download.go                   |   2 +-
 pkg/translator/linguleo.go              |  34 +++----
 pkg/utils/utils.go                      |  11 +--
 8 files changed, 26 insertions(+), 147 deletions(-)

diff --git a/go.mod b/go.mod
index 5845db6..c31064c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/trezorg/lingualeo
 
-go 1.17
+go 1.19
 
 require (
 	github.com/BurntSushi/toml v0.3.1
diff --git a/internal/fakeapi/api.go b/internal/fakeapi/api.go
index edfd199..8286170 100644
--- a/internal/fakeapi/api.go
+++ b/internal/fakeapi/api.go
@@ -47,7 +47,7 @@ func (f *FakeAPI) TranslateWords(ctx context.Context, results <-chan string) <-c
 	wg.Add(1)
 	go func() {
 		defer wg.Done()
-		for word := range channel.OrStringDone(ctx, results) {
+		for word := range channel.OrDone(ctx, results) {
 			wg.Add(1)
 			go func(word string) {
 				defer wg.Done()
diff --git a/pkg/api/api.go b/pkg/api/api.go
index 67362fe..ec5352e 100644
--- a/pkg/api/api.go
+++ b/pkg/api/api.go
@@ -249,7 +249,7 @@ func (api *API) TranslateWords(ctx context.Context, results <-chan string) <-cha
 	wg.Add(1)
 	go func() {
 		defer wg.Done()
-		for word := range channel.OrStringDone(ctx, results) {
+		for word := range channel.OrDone(ctx, results) {
 			wg.Add(1)
 			go func(word string) {
 				defer wg.Done()
diff --git a/pkg/api/testing/translate_words_test.go b/pkg/api/testing/translate_words_test.go
index 0062a99..caa661d 100644
--- a/pkg/api/testing/translate_words_test.go
+++ b/pkg/api/testing/translate_words_test.go
@@ -20,7 +20,7 @@ func TestTranslateWords(t *testing.T) {
 	searchWords := []string{fakeapi.SearchWord}
 	fakeAPI := fakeapi.FakeAPI{}
 	ctx := context.Background()
-	ch := channel.ToStringChannel(ctx, searchWords...)
+	ch := channel.ToChannel(ctx, searchWords...)
 	out := fakeAPI.TranslateWords(ctx, ch)
 	res := (<-out).Result
 	fakeapi.CheckResult(t, res, searchWords[0], fakeapi.Expected)
diff --git a/pkg/channel/patterns.go b/pkg/channel/patterns.go
index d0110f5..5bd32a3 100644
--- a/pkg/channel/patterns.go
+++ b/pkg/channel/patterns.go
@@ -4,8 +4,8 @@ import (
 	"context"
 )
 
-func ToStringChannel(ctx context.Context, input ...string) <-chan string {
-	out := make(chan string)
+func ToChannel[V any](ctx context.Context, input ...V) <-chan V {
+	out := make(chan V)
 	go func() {
 		defer close(out)
 		for _, val := range input {
@@ -19,8 +19,8 @@ func ToStringChannel(ctx context.Context, input ...string) <-chan string {
 	return out
 }
 
-func OrStringDone(ctx context.Context, input <-chan string) <-chan string {
-	out := make(chan string)
+func OrDone[V any](ctx context.Context, input <-chan V) <-chan V {
+	out := make(chan V)
 	go func() {
 		defer close(out)
 		for {
@@ -40,113 +40,3 @@ func OrStringDone(ctx context.Context, input <-chan string) <-chan string {
 	}()
 	return out
 }
-
-/*
-func fanOut(ctx context.Context, inputs ...<-chan interface{}) <-chan interface{} {
-	var wg sync.WaitGroup
-	wg.Add(len(inputs))
-	out := make(chan interface{})
-
-	multiplex := func(c <-chan interface{}) {
-		defer wg.Done()
-		for val := range c {
-			select {
-			case <-ctx.Done():
-				return
-			case out <- val:
-			}
-		}
-	}
-
-	for _, c := range inputs {
-		go multiplex(c)
-	}
-
-	go func() {
-		defer close(out)
-		wg.Wait()
-	}()
-	return out
-}
-
-func tee(ctx context.Context, input <-chan interface{}) (_, _ <-chan interface{}) {
-	out1 := make(chan interface{})
-	out2 := make(chan interface{})
-	go func() {
-		defer close(out1)
-		defer close(out2)
-		for val := range OrDone(ctx, input) {
-			var out1, out2 = out1, out2
-			for i := 0; i < 2; i++ {
-				select {
-				case <-ctx.Done():
-				case out1 <- val:
-					out1 = nil
-				case out2 <- val:
-					out2 = nil
-				}
-			}
-		}
-	}()
-	return out1, out2
-}
-
-func repeat(ctx context.Context, input ...interface{}) <-chan interface{} {
-	out := make(chan interface{})
-	go func() {
-		defer close(out)
-		for {
-			for _, val := range input {
-				select {
-				case <-ctx.Done():
-					return
-				case out <- val:
-				}
-			}
-		}
-	}()
-	return out
-}
-
-func take(ctx context.Context, input <-chan interface{}, num int) <-chan interface{} {
-	out := make(chan interface{})
-	go func() {
-		defer close(out)
-		for i := 0; i < num; i++ {
-			select {
-			case <-ctx.Done():
-				return
-			case out <- <-input:
-			}
-		}
-	}()
-	return out
-}
-
-func bridge(ctx context.Context, inputs <-chan <-chan interface{}) <-chan interface{} {
-	out := make(chan interface{})
-	go func() {
-		defer close(out)
-		for {
-			var stream <-chan interface{}
-			select {
-			case maybe, ok := <-inputs:
-				if !ok {
-					return
-				}
-				stream = maybe
-			case <-ctx.Done():
-				return
-			}
-			for val := range OrDone(ctx, stream) {
-				select {
-				case out <- val:
-				case <-ctx.Done():
-				}
-			}
-		}
-	}()
-	return out
-}
-
-*/
diff --git a/pkg/files/download.go b/pkg/files/download.go
index d8f0295..d334a74 100644
--- a/pkg/files/download.go
+++ b/pkg/files/download.go
@@ -99,7 +99,7 @@ func DownloadFiles(ctx context.Context, urls <-chan string, downloader NewDownlo
 	go func() {
 		defer wg.Done()
 		idx := 0
-		for url := range channel.OrStringDone(ctx, urls) {
+		for url := range channel.OrDone(ctx, urls) {
 			wg.Add(1)
 			go func(idx int, url string) {
 				defer wg.Done()
diff --git a/pkg/translator/linguleo.go b/pkg/translator/linguleo.go
index 8d4d373..035c888 100644
--- a/pkg/translator/linguleo.go
+++ b/pkg/translator/linguleo.go
@@ -20,14 +20,12 @@ func (args *Lingualeo) checkMediaPlayer() {
 		return
 	}
 	if len(args.Player) == 0 {
-		err := messages.Message(messages.RED, "Please set player parameter\n")
-		if err != nil {
+		if err := messages.Message(messages.RED, "Please set player parameter\n"); err != nil {
 			logger.Debug(err)
 		}
 		args.Sound = false
 	} else if !utils.IsCommandAvailable(args.Player) {
-		err := messages.Message(messages.RED, "Executable file %s is not available on your system\n", args.Player)
-		if err != nil {
+		if err := messages.Message(messages.RED, "Executable file %s is not available on your system\n", args.Player); err != nil {
 			logger.Debug(err)
 		}
 		args.Sound = false
@@ -37,8 +35,7 @@ func (args *Lingualeo) checkMediaPlayer() {
 // NewLingualeo initialize lingualeo client
 func NewLingualeo(version string) (Lingualeo, error) {
 	client := prepareCliArgs(version)
-	err := client.checkConfig()
-	if err != nil {
+	if err := client.checkConfig(); err != nil {
 		return client, err
 	}
 	configArgs, err := fromConfigs(&client.Config)
@@ -46,8 +43,7 @@ func NewLingualeo(version string) (Lingualeo, error) {
 		return client, err
 	}
 	client.mergeConfigs(configArgs)
-	err = client.checkArgs()
-	if err != nil {
+	if err = client.checkArgs(); err != nil {
 		return client, err
 	}
 	if client.Debug {
@@ -56,8 +52,7 @@ func NewLingualeo(version string) (Lingualeo, error) {
 	}
 	logger.InitLogger(client.LogLevel, client.LogPrettyPrint)
 	client.checkMediaPlayer()
-	client.API, err = api.NewAPI(client.Email, client.Password, client.Debug)
-	if err != nil {
+	if client.API, err = api.NewAPI(client.Email, client.Password, client.Debug); err != nil {
 		return client, err
 	}
 	return client, nil
@@ -65,21 +60,19 @@ func NewLingualeo(version string) (Lingualeo, error) {
 
 func (args *Lingualeo) translateWords(ctx context.Context) <-chan api.OpResult {
 	results := make(chan api.OpResult, len(args.Words))
-	input := channel.ToStringChannel(ctx, args.Words...)
+	input := channel.ToChannel(ctx, args.Words...)
 	go func() {
 		defer close(results)
 		for res := range api.OrOpResultDone(ctx, args.API.TranslateWords(ctx, input)) {
 			if res.Error != nil {
-				err := messages.Message(messages.RED, "%s\n", utils.Capitalize(res.Error.Error()))
-				if err != nil {
+				if err := messages.Message(messages.RED, "%s\n", utils.Capitalize(res.Error.Error())); err != nil {
 					logger.Error(err)
 				}
 				continue
 			}
 			if len(res.Result.GetTranslate()) == 0 {
 				_ = messages.Message(messages.RED, "There are no translations for word: ")
-				err := messages.Message(messages.GREEN, "['%s']\n", res.Result.GetWord())
-				if err != nil {
+				if err := messages.Message(messages.GREEN, "['%s']\n", res.Result.GetWord()); err != nil {
 					logger.Error(err)
 				}
 				continue
@@ -112,12 +105,10 @@ func (args *Lingualeo) downloadAndPronounce(ctx context.Context, urls <-chan str
 		if res.Filename == "" {
 			continue
 		}
-		err := utils.PlaySound(args.Player, res.Filename)
-		if err != nil {
+		if err := utils.PlaySound(ctx, args.Player, res.Filename); err != nil {
 			logger.Error(err)
 		}
-		err = os.Remove(res.Filename)
-		if err != nil {
+		if err := os.Remove(res.Filename); err != nil {
 			logger.Error(err)
 		}
 	}
@@ -125,9 +116,8 @@ func (args *Lingualeo) downloadAndPronounce(ctx context.Context, urls <-chan str
 
 func (args *Lingualeo) pronounce(ctx context.Context, urls <-chan string, wg *sync.WaitGroup) {
 	defer wg.Done()
-	for res := range channel.OrStringDone(ctx, urls) {
-		err := utils.PlaySound(args.Player, res)
-		if err != nil {
+	for res := range channel.OrDone(ctx, urls) {
+		if err := utils.PlaySound(ctx, args.Player, res); err != nil {
 			logger.Error(err)
 		}
 	}
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index 01fba1d..7b25cc0 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -66,17 +67,15 @@ func FailIfError(err error) {
 	}
 }
 
-func PlaySound(player string, url string) error {
+func PlaySound(ctx context.Context, player string, url string) error {
 	parts := strings.Split(player, " ")
 	playerExec := parts[0]
 	params := append(parts[1:], url)
-	cmd := exec.Command(playerExec, params...)
-	err := cmd.Start()
-	if err != nil {
+	cmd := exec.CommandContext(ctx, playerExec, params...)
+	if err := cmd.Start(); err != nil {
 		return err
 	}
-	err = cmd.Wait()
-	if err != nil {
+	if err := cmd.Wait(); err != nil {
 		return err
 	}
 	return nil

From d1843f9bdcb6d5b79651658d2df35c0acc75d71f Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Sat, 25 Feb 2023 05:50:31 +0000
Subject: [PATCH 6/6] Bump golang.org/x/sys from
 0.0.0-20200420163511-1957bb5e6d1f to 0.1.0

Bumps [golang.org/x/sys](https://github.com/golang/sys) from 0.0.0-20200420163511-1957bb5e6d1f to 0.1.0.
- [Release notes](https://github.com/golang/sys/releases)
- [Commits](https://github.com/golang/sys/commits/v0.1.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sys
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 go.mod | 2 +-
 go.sum | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/go.mod b/go.mod
index c31064c..716ecfe 100644
--- a/go.mod
+++ b/go.mod
@@ -20,6 +20,6 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.0.1 // indirect
 	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
-	golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f // indirect
+	golang.org/x/sys v0.1.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 )
diff --git a/go.sum b/go.sum
index d92628f..a050aaa 100644
--- a/go.sum
+++ b/go.sum
@@ -36,8 +36,8 @@ golang.org/x/net v0.0.0-20200421231249-e086a090c8fd/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=