fix(envs): 🐛 set environment variable instead of bash variable (#219)

Signed-off-by: Bo-Yi.Wu <appleboy.tw@gmail.com>

.drone.jsonnet

@@ -1,16 +0,0 @@
-local pipeline = import 'pipeline.libsonnet';
-local name = 'drone-ssh';
-
-[
-  pipeline.test,
-  pipeline.build(name, 'linux', 'amd64'),
-  pipeline.build(name, 'linux', 'arm64'),
-  pipeline.build(name, 'linux', 'arm'),
-  pipeline.release,
-  pipeline.notifications(depends_on=[
-    'linux-amd64',
-    'linux-arm64',
-    'linux-arm',
-    'release-binary',
-  ]),
-]

.drone.yml

@@ -1,298 +0,0 @@
----
-kind: pipeline
-name: testing
-platform:
-  arch: amd64
-  os: linux
-steps:
-- commands:
-  - make vet
-  image: golang:1.18
-  name: vet
-  pull: always
-  volumes:
-  - name: gopath
-    path: /go
-- image: robertstettner/drone-codecov
-  name: codecov
-  pull: always
-  settings:
-    token:
-      from_secret: codecov_token
-volumes:
-- name: gopath
-  temp: {}
----
-depends_on:
-- testing
-kind: pipeline
-name: linux-amd64
-platform:
-  arch: amd64
-  os: linux
-steps:
-- commands:
-  - go build -v -ldflags '-X main.build=${DRONE_BUILD_NUMBER}' -a -o release/linux/amd64/drone-ssh
-  environment:
-    CGO_ENABLED: "0"
-  image: golang:1.18
-  name: build-push
-  pull: always
-  when:
-    event:
-      exclude:
-      - tag
-- commands:
-  - go build -v -ldflags '-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}'
-    -a -o release/linux/amd64/drone-ssh
-  environment:
-    CGO_ENABLED: "0"
-  image: golang:1.18
-  name: build-tag
-  pull: always
-  when:
-    event:
-    - tag
-- commands:
-  - ./release/linux/amd64/drone-ssh --help
-  image: golang:1.18
-  name: executable
-  pull: always
-- image: plugins/docker:linux-amd64
-  name: dryrun
-  pull: always
-  settings:
-    cache_from: appleboy/drone-ssh
-    daemon_off: false
-    dockerfile: docker/Dockerfile.linux.amd64
-    dry_run: true
-    repo: appleboy/drone-ssh
-    tags: linux-amd64
-  when:
-    event:
-    - pull_request
-- image: plugins/docker:linux-amd64
-  name: publish
-  pull: always
-  settings:
-    auto_tag: true
-    auto_tag_suffix: linux-amd64
-    cache_from: appleboy/drone-ssh
-    daemon_off: "false"
-    dockerfile: docker/Dockerfile.linux.amd64
-    password:
-      from_secret: docker_password
-    repo: appleboy/drone-ssh
-    username:
-      from_secret: docker_username
-  when:
-    event:
-      exclude:
-      - pull_request
-trigger:
-  ref:
-  - refs/heads/master
-  - refs/pull/**
-  - refs/tags/**
----
-depends_on:
-- testing
-kind: pipeline
-name: linux-arm64
-platform:
-  arch: arm64
-  os: linux
-steps:
-- commands:
-  - go build -v -ldflags '-X main.build=${DRONE_BUILD_NUMBER}' -a -o release/linux/arm64/drone-ssh
-  environment:
-    CGO_ENABLED: "0"
-  image: golang:1.18
-  name: build-push
-  pull: always
-  when:
-    event:
-      exclude:
-      - tag
-- commands:
-  - go build -v -ldflags '-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}'
-    -a -o release/linux/arm64/drone-ssh
-  environment:
-    CGO_ENABLED: "0"
-  image: golang:1.18
-  name: build-tag
-  pull: always
-  when:
-    event:
-    - tag
-- commands:
-  - ./release/linux/arm64/drone-ssh --help
-  image: golang:1.18
-  name: executable
-  pull: always
-- image: plugins/docker:linux-arm64
-  name: dryrun
-  pull: always
-  settings:
-    cache_from: appleboy/drone-ssh
-    daemon_off: false
-    dockerfile: docker/Dockerfile.linux.arm64
-    dry_run: true
-    repo: appleboy/drone-ssh
-    tags: linux-arm64
-  when:
-    event:
-    - pull_request
-- image: plugins/docker:linux-arm64
-  name: publish
-  pull: always
-  settings:
-    auto_tag: true
-    auto_tag_suffix: linux-arm64
-    cache_from: appleboy/drone-ssh
-    daemon_off: "false"
-    dockerfile: docker/Dockerfile.linux.arm64
-    password:
-      from_secret: docker_password
-    repo: appleboy/drone-ssh
-    username:
-      from_secret: docker_username
-  when:
-    event:
-      exclude:
-      - pull_request
-trigger:
-  ref:
-  - refs/heads/master
-  - refs/pull/**
-  - refs/tags/**
----
-depends_on:
-- testing
-kind: pipeline
-name: linux-arm
-platform:
-  arch: arm
-  os: linux
-steps:
-- commands:
-  - go build -v -ldflags '-X main.build=${DRONE_BUILD_NUMBER}' -a -o release/linux/arm/drone-ssh
-  environment:
-    CGO_ENABLED: "0"
-  image: golang:1.18
-  name: build-push
-  pull: always
-  when:
-    event:
-      exclude:
-      - tag
-- commands:
-  - go build -v -ldflags '-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}'
-    -a -o release/linux/arm/drone-ssh
-  environment:
-    CGO_ENABLED: "0"
-  image: golang:1.18
-  name: build-tag
-  pull: always
-  when:
-    event:
-    - tag
-- commands:
-  - ./release/linux/arm/drone-ssh --help
-  image: golang:1.18
-  name: executable
-  pull: always
-- image: plugins/docker:linux-arm
-  name: dryrun
-  pull: always
-  settings:
-    cache_from: appleboy/drone-ssh
-    daemon_off: false
-    dockerfile: docker/Dockerfile.linux.arm
-    dry_run: true
-    repo: appleboy/drone-ssh
-    tags: linux-arm
-  when:
-    event:
-    - pull_request
-- image: plugins/docker:linux-arm
-  name: publish
-  pull: always
-  settings:
-    auto_tag: true
-    auto_tag_suffix: linux-arm
-    cache_from: appleboy/drone-ssh
-    daemon_off: "false"
-    dockerfile: docker/Dockerfile.linux.arm
-    password:
-      from_secret: docker_password
-    repo: appleboy/drone-ssh
-    username:
-      from_secret: docker_username
-  when:
-    event:
-      exclude:
-      - pull_request
-trigger:
-  ref:
-  - refs/heads/master
-  - refs/pull/**
-  - refs/tags/**
----
-depends_on:
-- testing
-kind: pipeline
-name: release-binary
-platform:
-  arch: amd64
-  os: linux
-steps:
-- commands:
-  - export PATH=$PATH:$GOPATH/bin
-  - make release
-  image: techknowlogick/xgo:go-1.18.x
-  name: build-all-binary
-  pull: always
-  when:
-    event:
-    - tag
-- image: plugins/github-release
-  name: deploy-all-binary
-  pull: always
-  settings:
-    api_key:
-      from_secret: github_release_api_key
-    files:
-    - dist/release/*
-  when:
-    event:
-    - tag
-trigger:
-  ref:
-  - refs/tags/**
----
-depends_on:
-- linux-amd64
-- linux-arm64
-- linux-arm
-- release-binary
-kind: pipeline
-name: notifications
-platform:
-  arch: amd64
-  os: linux
-steps:
-- image: plugins/manifest
-  name: manifest
-  pull: always
-  settings:
-    ignore_missing: true
-    password:
-      from_secret: docker_password
-    spec: docker/manifest.tmpl
-    username:
-      from_secret: docker_username
-trigger:
-  ref:
-  - refs/heads/master
-  - refs/tags/**

.github/workflows/binary.yml

@@ -0,0 +1,24 @@
+name: Release Binary
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: techknowlogick/xgo:go-1.19.x
+    steps:
+
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      # - name: Release binary
+      #   run: |
+      #     ls -al
+      #     make release

.github/workflows/docker.yml

@@ -0,0 +1,94 @@
+name: Docker Image
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      max-parallel: 3
+      matrix:
+        os: [ubuntu-latest]
+        system: [linux]
+        arch: [amd64, arm, arm64]
+        # support windows build and push?
+        # see the issue: https://github.com/docker/build-push-action/issues/18
+        # include:
+        #   - os: windows-2022
+        #     system: windows
+        #     arch: amd64
+    steps:
+      - name: Setup go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '^1'
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Build binary
+        run : |
+          make build_${{ matrix.system }}_${{ matrix.arch }}
+
+      - name: Check binary
+        if: matrix.system == 'linux' && matrix.arch == 'amd64'
+        run : |
+          ./release/${{ matrix.system }}/${{ matrix.arch }}/${GITHUB_REPOSITORY#*/} --help
+
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      -
+        name: Docker meta for ${{ matrix.system }} ${{ matrix.arch }}
+        id: docker-meta
+        uses: docker/metadata-action@v4
+        with:
+          flavor: |
+            latest=false
+            suffix=${{ matrix.system }}-${{ matrix.arch }}
+          images: |
+            ${{ github.repository }}
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=raw,value=,enable={{is_default_branch}}
+            type=raw,value=latest,suffix=,enable=${{ matrix.system == 'linux' && matrix.arch == 'amd64' }}
+            type=semver,event=tag,pattern={{version}},suffix=-${{ matrix.system }}-${{ matrix.arch }}
+            type=semver,event=tag,pattern={{major}}.{{minor}},suffix=-${{ matrix.system }}-${{ matrix.arch }}
+            type=semver,event=tag,pattern={{major}},suffix=-${{ matrix.system }}-${{ matrix.arch }}
+
+      -
+        name: Build and push ${{ matrix.system }} ${{ matrix.arch }}
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: docker/Dockerfile.${{ matrix.system }}.${{ matrix.arch }}
+          platforms: ${{ matrix.system }}/${{ matrix.arch }}
+          push: true
+          tags: ${{ steps.docker-meta.outputs.tags }}
+          labels: ${{ steps.docker-meta.outputs.labels }}

.github/workflows/go.yml

@@ -1,64 +0,0 @@
-name: Run Tests
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Setup go
-        uses: actions/setup-go@v3
-        with:
-          go-version: '^1'
-      - name: Checkout repository
-        uses: actions/checkout@v3
-      - name: Setup golangci-lint
-        uses: golangci/golangci-lint-action@v3
-        with:
-          version: v1.46.2
-          args: --verbose
-
-  # build:
-  #   strategy:
-  #     matrix:
-  #       os: [ubuntu-latest]
-  #       go: [ 1.18]
-  #       include:
-  #         - os: ubuntu-latest
-  #           go-build: ~/.cache/go-build
-  #   name: ${{ matrix.os }} @ Go ${{ matrix.go }}
-  #   runs-on: ${{ matrix.os }}
-  #   env:
-  #     GO111MODULE: on
-  #     GOPROXY: https://proxy.golang.org
-  #   steps:
-  #     - name: Set up Go ${{ matrix.go }}
-  #       uses: actions/setup-go@v3
-  #       with:
-  #         go-version: ${{ matrix.go }}
-
-  #     - name: Checkout Code
-  #       uses: actions/checkout@v3
-  #       with:
-  #         ref: ${{ github.ref }}
-
-  #     - uses: actions/cache@v3
-  #       with:
-  #         path: |
-  #           ${{ matrix.go-build }}
-  #           ~/go/pkg/mod
-  #         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-  #         restore-keys: |
-  #           ${{ runner.os }}-go-
-  #     - name: initial docker
-  #       uses: docker-practice/actions-setup-docker@master
-  #     - name: build all binaries
-  #       run: |
-  #         set -x
-  #         make release

.github/workflows/goreleaser.yml

@@ -0,0 +1,35 @@
+name: Goreleaser
+
+on:
+  push:
+    tags:
+      - '*'
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      -
+        name: Setup go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '^1'
+
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v4
+        with:
+          # either 'goreleaser' (default) or 'goreleaser-pro'
+          distribution: goreleaser
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/lint.yml

@@ -0,0 +1,53 @@
+name: Lint and Testing
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '^1'
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Setup golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: latest
+          args: --verbose
+
+      - uses: hadolint/hadolint-action@v3.0.0
+        name: hadolint for Dockerfile.linux.amd64
+        with:
+          dockerfile: docker/Dockerfile.linux.amd64
+      - uses: hadolint/hadolint-action@v3.0.0
+        name: hadolint for Dockerfile.linux.arm64
+        with:
+          dockerfile: docker/Dockerfile.linux.arm64
+      - uses: hadolint/hadolint-action@v3.0.0
+        name: hadolint for Dockerfile.linux.arm
+        with:
+          dockerfile: docker/Dockerfile.linux.arm
+
+  testing:
+    runs-on: ubuntu-latest
+    container: golang:1.19-alpine
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: setup sshd server
+        run: |
+          apk add git make curl perl bash build-base zlib-dev ucl-dev
+          make ssh-server
+
+      - name: testing
+        run: |
+          make test
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3

.hadolint.yaml

@@ -0,0 +1,2 @@
+ignored:
+  - DL3018

Makefile

@@ -1,18 +1,19 @@
 DIST := dist
 EXECUTABLE := drone-ssh
-GOFMT ?= gofumpt -l -s
+GOFMT ?= gofumpt -l
 DIST := dist
 DIST_DIRS := $(DIST)/binaries $(DIST)/release
 GO ?= go
 SHASUM ?= shasum -a 256
+GOFILES := $(shell find . -name "*.go" -type f)
 HAS_GO = $(shell hash $(GO) > /dev/null 2>&1 && echo "GO" || echo "NOGO" )
 XGO_PACKAGE ?= src.techknowlogick.com/xgo@latest
-XGO_VERSION := go-1.18.x
-GXZ_PAGAGE ?= github.com/ulikunitz/xz/cmd/gxz@v0.5.10
+XGO_VERSION := go-1.19.x
+GXZ_PAGAGE ?= github.com/ulikunitz/xz/cmd/gxz@v0.5.11
 
 LINUX_ARCHS ?= linux/amd64,linux/arm64
-DARWIN_ARCHS ?= darwin-12/amd64,darwin-12/arm64
-WINDOWS_ARCHS ?= windows/amd64
+DARWIN_ARCHS ?= darwin-10.12/amd64,darwin-10.12/arm64
+WINDOWS_ARCHS ?= windows/*
 
 ifneq ($(shell uname), Darwin)
 	EXTLDFLAGS = -extldflags "-static" $(null)
@@ -39,24 +40,10 @@ else
 	EXECUTABLE ?= $(EXECUTABLE)
 endif
 
-STORED_VERSION_FILE := VERSION
-
 ifneq ($(DRONE_TAG),)
-	VERSION ?= $(subst v,,$(DRONE_TAG))
-	RELASE_VERSION ?= $(VERSION)
+	VERSION ?= $(DRONE_TAG)
 else
-	ifneq ($(DRONE_BRANCH),)
-		VERSION ?= $(subst release/v,,$(DRONE_BRANCH))
-	else
-		VERSION ?= master
-	endif
-
-	STORED_VERSION=$(shell cat $(STORED_VERSION_FILE) 2>/dev/null)
-	ifneq ($(STORED_VERSION),)
-		RELASE_VERSION ?= $(STORED_VERSION)
-	else
-		RELASE_VERSION ?= $(shell git describe --tags --always | sed 's/-/+/' | sed 's/^v//')
-	endif
+	VERSION ?= $(shell git describe --tags --always || git rev-parse --short HEAD)
 endif
 
 TAGS ?=
@@ -66,9 +53,9 @@ all: build
 
 fmt:
 	@hash gofumpt > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
-		$(GO) get -u mvdan.cc/gofumpt; \
+		$(GO) install mvdan.cc/gofumpt; \
 	fi
-	$(GOFMT) -w $(SOURCES)
+	$(GOFMT) -w $(GOFILES)
 
 vet:
 	$(GO) vet ./...
@@ -76,24 +63,24 @@ vet:
 .PHONY: fmt-check
 fmt-check:
 	@hash gofumpt > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
-		$(GO) get -u mvdan.cc/gofumpt; \
+		$(GO) install mvdan.cc/gofumpt; \
 	fi
-	@diff=$$($(GOFMT) -d $(SOURCES)); \
+	@diff=$$($(GOFMT) -d $(GOFILES)); \
 	if [ -n "$$diff" ]; then \
 		echo "Please run 'make fmt' and commit the result:"; \
 		echo "$${diff}"; \
 		exit 1; \
 	fi;
 
-test: fmt-check
+test:
 	@$(GO) test -v -cover -coverprofile coverage.txt ./... && echo "\n==>\033[32m Ok\033[m\n" || exit 1
 
-install: $(SOURCES)
+install: $(GOFILES)
 	$(GO) install -v -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)'
 
 build: $(EXECUTABLE)
 
-$(EXECUTABLE): $(SOURCES)
+$(EXECUTABLE): $(GOFILES)
 	$(GO) build -v -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o $@
 
 build_linux_amd64:
@@ -133,7 +120,7 @@ deps-backend:
 	$(GO) install $(XGO_PACKAGE)
 
 .PHONY: release
-release: release-windows release-linux release-darwin release-copy release-compress release-check
+release: release-linux release-darwin release-windows release-copy release-compress release-check
 
 $(DIST_DIRS):
 	mkdir -p $(DIST_DIRS)

README.md

@@ -4,11 +4,10 @@
 
 [![GitHub tag](https://img.shields.io/github/tag/appleboy/drone-ssh.svg)](https://github.com/appleboy/drone-ssh/releases)
 [![GoDoc](https://godoc.org/github.com/appleboy/drone-ssh?status.svg)](https://godoc.org/github.com/appleboy/drone-ssh)
-[![Build Status](https://cloud.drone.io/api/badges/appleboy/drone-ssh/status.svg)](https://cloud.drone.io/appleboy/drone-ssh)
+[![Lint and Testing](https://github.com/appleboy/drone-ssh/actions/workflows/lint.yml/badge.svg)](https://github.com/appleboy/drone-ssh/actions/workflows/lint.yml)
 [![codecov](https://codecov.io/gh/appleboy/drone-ssh/branch/master/graph/badge.svg)](https://codecov.io/gh/appleboy/drone-ssh)
 [![Go Report Card](https://goreportcard.com/badge/github.com/appleboy/drone-ssh)](https://goreportcard.com/report/github.com/appleboy/drone-ssh)
 [![Docker Pulls](https://img.shields.io/docker/pulls/appleboy/drone-ssh.svg)](https://hub.docker.com/r/appleboy/drone-ssh/)
-[![micro badger](https://images.microbadger.com/badges/image/appleboy/drone-ssh.svg)](https://microbadger.com/images/appleboy/drone-ssh "Get your own image badge on microbadger.com")
 
 Drone plugin to execute commands on a remote host through SSH. For the usage
 information and a listing of the available options please take a look at [the docs](http://plugins.drone.io/appleboy/drone-ssh/).

docker/Dockerfile.linux.amd64

@@ -8,5 +8,6 @@ LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>" \
 RUN apk add --no-cache ca-certificates && \
   rm -rf /var/cache/apk/*
 
-ADD release/linux/amd64/drone-ssh /bin/
+COPY release/linux/amd64/drone-ssh /bin/
+
 ENTRYPOINT ["/bin/drone-ssh"]

docker/Dockerfile.linux.arm

@@ -8,5 +8,6 @@ LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>" \
 RUN apk add --no-cache ca-certificates && \
   rm -rf /var/cache/apk/*
 
-ADD release/linux/arm/drone-ssh /bin/
+COPY release/linux/arm/drone-ssh /bin/
+
 ENTRYPOINT ["/bin/drone-ssh"]

docker/Dockerfile.linux.arm64

@@ -8,5 +8,6 @@ LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>" \
 RUN apk add --no-cache ca-certificates && \
   rm -rf /var/cache/apk/*
 
-ADD release/linux/arm64/drone-ssh /bin/
+COPY release/linux/arm64/drone-ssh /bin/
+
 ENTRYPOINT ["/bin/drone-ssh"]

go.mod

@@ -5,18 +5,19 @@ go 1.18
 require (
 	github.com/appleboy/easyssh-proxy v1.3.9
 	github.com/joho/godotenv v1.4.0
-	github.com/stretchr/testify v1.7.2
-	github.com/urfave/cli v1.22.9
-	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e
+	github.com/stretchr/testify v1.8.1
+	github.com/urfave/cli/v2 v2.23.7
+	golang.org/x/crypto v0.4.0
 )
 
 require (
-	github.com/ScaleFT/sshkeys v0.0.0-20200327173127-6142f742bca5 // indirect
+	github.com/ScaleFT/sshkeys v1.2.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
-	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dchest/bcrypt_pbkdf v0.0.0-20150205184540-83f37f9c154a // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	golang.org/x/sys v0.0.0-20220614162138-6c1b26c55098 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	golang.org/x/sys v0.3.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,44 +1,48 @@
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/ScaleFT/sshkeys v0.0.0-20200327173127-6142f742bca5 h1:VauE2GcJNZFun2Och6tIT2zJZK1v6jxALQDA9BIji/E=
 github.com/ScaleFT/sshkeys v0.0.0-20200327173127-6142f742bca5/go.mod h1:gxOHeajFfvGQh/fxlC8oOKBe23xnnJTif00IFFbiT+o=
+github.com/ScaleFT/sshkeys v1.2.0 h1:5BRp6rTVIhJzXT3VcUQrKgXR8zWA3sOsNeuyW15WUA8=
+github.com/ScaleFT/sshkeys v1.2.0/go.mod h1:gxOHeajFfvGQh/fxlC8oOKBe23xnnJTif00IFFbiT+o=
 github.com/appleboy/easyssh-proxy v1.3.9 h1:b+sVSTz+cVFvfA23HQywMMpm0s5g3gH7jYdBcQqaCQI=
 github.com/appleboy/easyssh-proxy v1.3.9/go.mod h1:G1eQomBEME7NWKA3hE49s5HsT44S5fn0aBxX7k9Yjug=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dchest/bcrypt_pbkdf v0.0.0-20150205184540-83f37f9c154a h1:saTgr5tMLFnmy/yg3qDTft4rE5DY2uJ/cCxCe3q0XTU=
 github.com/dchest/bcrypt_pbkdf v0.0.0-20150205184540-83f37f9c154a/go.mod h1:Bw9BbhOJVNR+t0jCqx2GC6zv0TGBsShs56Y3gfSCvl0=
 github.com/joho/godotenv v1.4.0 h1:3l4+N6zfMWnkbPEXKng2o2/MR5mSwTrBih4ZEkkz1lg=
 github.com/joho/godotenv v1.4.0/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.7.2 h1:4jaiDzPyXQvSd7D0EjG45355tLlV3VOECpq10pLC+8s=
-github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
-github.com/urfave/cli v1.22.9 h1:cv3/KhXGBGjEXLC4bH0sLuJ9BewaAbpk5oyMOveu4pw=
-github.com/urfave/cli v1.22.9/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/urfave/cli/v2 v2.23.7 h1:YHDQ46s3VghFHFf1DdF+Sh7H4RqhcM+t0TmZRJx4oJY=
+github.com/urfave/cli/v2 v2.23.7/go.mod h1:GHupkWPMM0M/sj1a2b4wUrWBPzazNrIjouW6fmdJLxc=
+github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU=
+github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
-golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e h1:T8NU3HyQ8ClP4SEE+KbFlg6n0NhuTsN4MyznaarGsZM=
-golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.4.0 h1:UVQgzMY87xqpKNgb+kDsll2Igd33HszWHFLmpaRMq/8=
+golang.org/x/crypto v0.4.0/go.mod h1:3quD/ATkf6oY+rnes5c3ExXTbLc8mueNue5/DoinL80=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200219091948-cb0a6d8edb6c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20220614162138-6c1b26c55098 h1:PgOr27OhUx2IRqGJ2RxAWI4dJQ7bi9cSrB82uzFzfUA=
-golang.org/x/sys v0.0.0-20220614162138-6c1b26c55098/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
+golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
+golang.org/x/term v0.3.0 h1:qoo4akIqOcDME5bhc/NgxUdovd6BSS2uMsVjB56q1xI=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

main.go

@@ -7,7 +7,8 @@ import (
 
 	"github.com/appleboy/easyssh-proxy"
 	"github.com/joho/godotenv"
-	"github.com/urfave/cli"
+	_ "github.com/joho/godotenv/autoload"
+	"github.com/urfave/cli/v2"
 )
 
 // Version set at compile-time
@@ -27,7 +28,7 @@ func main() {
 	app.Name = "Drone SSH"
 	app.Usage = "Executing remote ssh commands"
 	app.Copyright = "Copyright (c) 2019 Bo-Yi Wu"
-	app.Authors = []cli.Author{
+	app.Authors = []*cli.Author{
 		{
 			Name:  "Bo-Yi Wu",
 			Email: "appleboy.tw@gmail.com",
@@ -36,157 +37,165 @@ func main() {
 	app.Action = run
 	app.Version = Version
 	app.Flags = []cli.Flag{
-		cli.StringFlag{
-			Name:   "ssh-key",
-			Usage:  "private ssh key",
-			EnvVar: "PLUGIN_SSH_KEY,PLUGIN_KEY,SSH_KEY,KEY,INPUT_KEY",
+		&cli.StringFlag{
+			Name:    "ssh-key",
+			Usage:   "private ssh key",
+			EnvVars: []string{"PLUGIN_SSH_KEY", "PLUGIN_KEY", "SSH_KEY", "KEY", "INPUT_KEY"},
 		},
-		cli.StringFlag{
-			Name:   "ssh-passphrase",
-			Usage:  "The purpose of the passphrase is usually to encrypt the private key.",
-			EnvVar: "PLUGIN_SSH_PASSPHRASE,PLUGIN_PASSPHRASE,SSH_PASSPHRASE,PASSPHRASE,INPUT_PASSPHRASE",
+		&cli.StringFlag{
+			Name:    "ssh-passphrase",
+			Usage:   "The purpose of the passphrase is usually to encrypt the private key.",
+			EnvVars: []string{"PLUGIN_SSH_PASSPHRASE", "PLUGIN_PASSPHRASE", "SSH_PASSPHRASE", "PASSPHRASE", "INPUT_PASSPHRASE"},
 		},
-		cli.StringFlag{
-			Name:   "key-path,i",
-			Usage:  "ssh private key path",
-			EnvVar: "PLUGIN_KEY_PATH,SSH_KEY_PATH,INPUT_KEY_PATH",
+		&cli.StringFlag{
+			Name:    "key-path",
+			Aliases: []string{"i"},
+			Usage:   "ssh private key path",
+			EnvVars: []string{"PLUGIN_KEY_PATH", "SSH_KEY_PATH", "INPUT_KEY_PATH"},
 		},
-		cli.StringFlag{
-			Name:   "username,user,u",
-			Usage:  "connect as user",
-			EnvVar: "PLUGIN_USERNAME,PLUGIN_USER,SSH_USERNAME,USERNAME,INPUT_USERNAME",
-			Value:  "root",
+		&cli.StringFlag{
+			Name:    "username",
+			Aliases: []string{"user", "u"},
+			Usage:   "connect as user",
+			EnvVars: []string{"PLUGIN_USERNAME", "PLUGIN_USER", "SSH_USERNAME", "USERNAME", "INPUT_USERNAME"},
+			Value:   "root",
 		},
-		cli.StringFlag{
-			Name:   "password,P",
-			Usage:  "user password",
-			EnvVar: "PLUGIN_PASSWORD,SSH_PASSWORD,PASSWORD,INPUT_PASSWORD",
+		&cli.StringFlag{
+			Name:    "password",
+			Aliases: []string{"P"},
+			Usage:   "user password",
+			EnvVars: []string{"PLUGIN_PASSWORD", "SSH_PASSWORD", "PASSWORD", "INPUT_PASSWORD"},
 		},
-		cli.StringSliceFlag{
-			Name:   "ciphers",
-			Usage:  "The allowed cipher algorithms. If unspecified then a sensible",
-			EnvVar: "PLUGIN_CIPHERS,SSH_CIPHERS,CIPHERS,INPUT_CIPHERS",
+		&cli.StringSliceFlag{
+			Name:    "ciphers",
+			Usage:   "The allowed cipher algorithms. If unspecified then a sensible",
+			EnvVars: []string{"PLUGIN_CIPHERS", "SSH_CIPHERS", "CIPHERS", "INPUT_CIPHERS"},
 		},
-		cli.BoolFlag{
-			Name:   "useInsecureCipher",
-			Usage:  "include more ciphers with use_insecure_cipher",
-			EnvVar: "PLUGIN_USE_INSECURE_CIPHER,SSH_USE_INSECURE_CIPHER,USE_INSECURE_CIPHER,INPUT_USE_INSECURE_CIPHER",
+		&cli.BoolFlag{
+			Name:    "useInsecureCipher",
+			Usage:   "include more ciphers with use_insecure_cipher",
+			EnvVars: []string{"PLUGIN_USE_INSECURE_CIPHER", "SSH_USE_INSECURE_CIPHER", "USE_INSECURE_CIPHER", "INPUT_USE_INSECURE_CIPHER"},
 		},
-		cli.StringFlag{
-			Name:   "fingerprint",
-			Usage:  "fingerprint SHA256 of the host public key, default is to skip verification",
-			EnvVar: "PLUGIN_FINGERPRINT,SSH_FINGERPRINT,FINGERPRINT,INPUT_FINGERPRINT",
+		&cli.StringFlag{
+			Name:    "fingerprint",
+			Usage:   "fingerprint SHA256 of the host public key, default is to skip verification",
+			EnvVars: []string{"PLUGIN_FINGERPRINT", "SSH_FINGERPRINT", "FINGERPRINT", "INPUT_FINGERPRINT"},
 		},
-		cli.StringSliceFlag{
-			Name:     "host,H",
+		&cli.StringSliceFlag{
+			Name:     "host",
+			Aliases:  []string{"H"},
 			Usage:    "connect to host",
-			EnvVar:   "PLUGIN_HOST,SSH_HOST,HOST,INPUT_HOST",
+			EnvVars:  []string{"PLUGIN_HOST", "SSH_HOST", "HOST", "INPUT_HOST"},
 			FilePath: ".host",
 		},
-		cli.IntFlag{
-			Name:   "port,p",
-			Usage:  "connect to port",
-			EnvVar: "PLUGIN_PORT,SSH_PORT,PORT,INPUT_PORT",
-			Value:  22,
+		&cli.IntFlag{
+			Name:    "port",
+			Aliases: []string{"p"},
+			Usage:   "connect to port",
+			EnvVars: []string{"PLUGIN_PORT", "SSH_PORT", "PORT", "INPUT_PORT"},
+			Value:   22,
 		},
-		cli.BoolFlag{
-			Name:   "sync",
-			Usage:  "sync mode",
-			EnvVar: "PLUGIN_SYNC,SYNC,INPUT_SYNC",
+		&cli.BoolFlag{
+			Name:    "sync",
+			Usage:   "sync mode",
+			EnvVars: []string{"PLUGIN_SYNC", "SYNC", "INPUT_SYNC"},
 		},
-		cli.DurationFlag{
-			Name:   "timeout,t",
-			Usage:  "connection timeout",
-			EnvVar: "PLUGIN_TIMEOUT,SSH_TIMEOUT,TIMEOUT,INPUT_TIMEOUT",
-			Value:  30 * time.Second,
+		&cli.DurationFlag{
+			Name:    "timeout",
+			Aliases: []string{"t"},
+			Usage:   "connection timeout",
+			EnvVars: []string{"PLUGIN_TIMEOUT", "SSH_TIMEOUT", "TIMEOUT", "INPUT_TIMEOUT"},
+			Value:   30 * time.Second,
 		},
-		cli.DurationFlag{
-			Name:   "command.timeout,T",
-			Usage:  "command timeout",
-			EnvVar: "PLUGIN_COMMAND_TIMEOUT,SSH_COMMAND_TIMEOUT,COMMAND_TIMEOUT,INPUT_COMMAND_TIMEOUT",
-			Value:  10 * time.Minute,
+		&cli.DurationFlag{
+			Name:    "command.timeout",
+			Aliases: []string{"T"},
+			Usage:   "command timeout",
+			EnvVars: []string{"PLUGIN_COMMAND_TIMEOUT", "SSH_COMMAND_TIMEOUT", "COMMAND_TIMEOUT", "INPUT_COMMAND_TIMEOUT"},
+			Value:   10 * time.Minute,
 		},
-		cli.StringSliceFlag{
-			Name:   "script,s",
-			Usage:  "execute commands",
-			EnvVar: "PLUGIN_SCRIPT,SSH_SCRIPT,SCRIPT",
+		&cli.StringSliceFlag{
+			Name:    "script",
+			Aliases: []string{"s"},
+			Usage:   "execute commands",
+			EnvVars: []string{"PLUGIN_SCRIPT", "SSH_SCRIPT", "SCRIPT"},
 		},
-		cli.StringFlag{
-			Name:   "script.string",
-			Usage:  "execute single commands for github action",
-			EnvVar: "INPUT_SCRIPT",
+		&cli.StringFlag{
+			Name:    "script.string",
+			Usage:   "execute single commands for github action",
+			EnvVars: []string{"INPUT_SCRIPT"},
 		},
-		cli.BoolFlag{
-			Name:   "script.stop",
-			Usage:  "stop script after first failure",
-			EnvVar: "PLUGIN_SCRIPT_STOP,STOP,INPUT_SCRIPT_STOP",
+		&cli.BoolFlag{
+			Name:    "script.stop",
+			Usage:   "stop script after first failure",
+			EnvVars: []string{"PLUGIN_SCRIPT_STOP", "STOP", "INPUT_SCRIPT_STOP"},
 		},
-		cli.StringFlag{
-			Name:   "proxy.ssh-key",
-			Usage:  "private ssh key of proxy",
-			EnvVar: "PLUGIN_PROXY_SSH_KEY,PLUGIN_PROXY_KEY,PROXY_SSH_KEY,INPUT_PROXY_KEY",
+		&cli.StringFlag{
+			Name:    "proxy.ssh-key",
+			Usage:   "private ssh key of proxy",
+			EnvVars: []string{"PLUGIN_PROXY_SSH_KEY", "PLUGIN_PROXY_KEY", "PROXY_SSH_KEY", "INPUT_PROXY_KEY"},
 		},
-		cli.StringFlag{
-			Name:   "proxy.ssh-passphrase",
-			Usage:  "The purpose of the passphrase is usually to encrypt the private key.",
-			EnvVar: "PLUGIN_PROXY_SSH_PASSPHRASE,PLUGIN_PROXY_PASSPHRASE,PROXY_SSH_PASSPHRASE,PROXY_PASSPHRASE,INPUT_PROXY_PASSPHRASE",
+		&cli.StringFlag{
+			Name:    "proxy.ssh-passphrase",
+			Usage:   "The purpose of the passphrase is usually to encrypt the private key.",
+			EnvVars: []string{"PLUGIN_PROXY_SSH_PASSPHRASE", "PLUGIN_PROXY_PASSPHRASE", "PROXY_SSH_PASSPHRASE", "PROXY_PASSPHRASE", "INPUT_PROXY_PASSPHRASE"},
 		},
-		cli.StringFlag{
-			Name:   "proxy.key-path",
-			Usage:  "ssh private key path of proxy",
-			EnvVar: "PLUGIN_PROXY_KEY_PATH,PROXY_SSH_KEY_PATH,INPUT_PROXY_KEY_PATH",
+		&cli.StringFlag{
+			Name:    "proxy.key-path",
+			Usage:   "ssh private key path of proxy",
+			EnvVars: []string{"PLUGIN_PROXY_KEY_PATH", "PROXY_SSH_KEY_PATH", "INPUT_PROXY_KEY_PATH"},
 		},
-		cli.StringFlag{
-			Name:   "proxy.username",
-			Usage:  "connect as user of proxy",
-			EnvVar: "PLUGIN_PROXY_USERNAME,PLUGIN_PROXY_USER,PROXY_SSH_USERNAME,INPUT_PROXY_USERNAME",
-			Value:  "root",
+		&cli.StringFlag{
+			Name:    "proxy.username",
+			Usage:   "connect as user of proxy",
+			EnvVars: []string{"PLUGIN_PROXY_USERNAME", "PLUGIN_PROXY_USER", "PROXY_SSH_USERNAME", "INPUT_PROXY_USERNAME"},
+			Value:   "root",
 		},
-		cli.StringFlag{
-			Name:   "proxy.password",
-			Usage:  "user password of proxy",
-			EnvVar: "PLUGIN_PROXY_PASSWORD,PROXY_SSH_PASSWORD,INPUT_PROXY_PASSWORD",
+		&cli.StringFlag{
+			Name:    "proxy.password",
+			Usage:   "user password of proxy",
+			EnvVars: []string{"PLUGIN_PROXY_PASSWORD", "PROXY_SSH_PASSWORD", "INPUT_PROXY_PASSWORD"},
 		},
-		cli.StringFlag{
-			Name:   "proxy.host",
-			Usage:  "connect to host of proxy",
-			EnvVar: "PLUGIN_PROXY_HOST,PROXY_SSH_HOST,INPUT_PROXY_HOST",
+		&cli.StringFlag{
+			Name:    "proxy.host",
+			Usage:   "connect to host of proxy",
+			EnvVars: []string{"PLUGIN_PROXY_HOST", "PROXY_SSH_HOST", "INPUT_PROXY_HOST"},
 		},
-		cli.StringFlag{
-			Name:   "proxy.port",
-			Usage:  "connect to port of proxy",
-			EnvVar: "PLUGIN_PROXY_PORT,PROXY_SSH_PORT,INPUT_PROXY_PORT",
-			Value:  "22",
+		&cli.StringFlag{
+			Name:    "proxy.port",
+			Usage:   "connect to port of proxy",
+			EnvVars: []string{"PLUGIN_PROXY_PORT", "PROXY_SSH_PORT", "INPUT_PROXY_PORT"},
+			Value:   "22",
 		},
-		cli.DurationFlag{
-			Name:   "proxy.timeout",
-			Usage:  "proxy connection timeout",
-			EnvVar: "PLUGIN_PROXY_TIMEOUT,PROXY_SSH_TIMEOUT,INPUT_PROXY_TIMEOUT",
+		&cli.DurationFlag{
+			Name:    "proxy.timeout",
+			Usage:   "proxy connection timeout",
+			EnvVars: []string{"PLUGIN_PROXY_TIMEOUT", "PROXY_SSH_TIMEOUT", "INPUT_PROXY_TIMEOUT"},
 		},
-		cli.StringSliceFlag{
-			Name:   "proxy.ciphers",
-			Usage:  "The allowed cipher algorithms. If unspecified then a sensible",
-			EnvVar: "PLUGIN_PROXY_CIPHERS,SSH_PROXY_CIPHERS,PROXY_CIPHERS,INPUT_PROXY_CIPHERS",
+		&cli.StringSliceFlag{
+			Name:    "proxy.ciphers",
+			Usage:   "The allowed cipher algorithms. If unspecified then a sensible",
+			EnvVars: []string{"PLUGIN_PROXY_CIPHERS", "SSH_PROXY_CIPHERS", "PROXY_CIPHERS", "INPUT_PROXY_CIPHERS"},
 		},
-		cli.BoolFlag{
-			Name:   "proxy.useInsecureCipher",
-			Usage:  "include more ciphers with use_insecure_cipher",
-			EnvVar: "PLUGIN_PROXY_USE_INSECURE_CIPHER,SSH_PROXY_USE_INSECURE_CIPHER,PROXY_USE_INSECURE_CIPHER,INPUT_PROXY_USE_INSECURE_CIPHER",
+		&cli.BoolFlag{
+			Name:    "proxy.useInsecureCipher",
+			Usage:   "include more ciphers with use_insecure_cipher",
+			EnvVars: []string{"PLUGIN_PROXY_USE_INSECURE_CIPHER", "SSH_PROXY_USE_INSECURE_CIPHER", "PROXY_USE_INSECURE_CIPHER", "INPUT_PROXY_USE_INSECURE_CIPHER"},
 		},
-		cli.StringFlag{
-			Name:   "proxy.fingerprint",
-			Usage:  "fingerprint SHA256 of the host public key, default is to skip verification",
-			EnvVar: "PLUGIN_PROXY_FINGERPRINT,SSH_PROXY_FINGERPRINT,PROXY_FINGERPRINT,INPUT_PROXY_FINGERPRINT",
+		&cli.StringFlag{
+			Name:    "proxy.fingerprint",
+			Usage:   "fingerprint SHA256 of the host public key, default is to skip verification",
+			EnvVars: []string{"PLUGIN_PROXY_FINGERPRINT", "SSH_PROXY_FINGERPRINT", "PROXY_FINGERPRINT", "INPUT_PROXY_FINGERPRINT"},
 		},
-		cli.StringSliceFlag{
-			Name:   "envs",
-			Usage:  "pass environment variable to shell script",
-			EnvVar: "PLUGIN_ENVS,INPUT_ENVS",
+		&cli.StringSliceFlag{
+			Name:    "envs",
+			Usage:   "pass environment variable to shell script",
+			EnvVars: []string{"PLUGIN_ENVS", "INPUT_ENVS"},
 		},
-		cli.BoolFlag{
-			Name:   "debug",
-			Usage:  "debug mode",
-			EnvVar: "PLUGIN_DEBUG,DEBUG,INPUT_DEBUG",
+		&cli.BoolFlag{
+			Name:    "debug",
+			Usage:   "debug mode",
+			EnvVars: []string{"PLUGIN_DEBUG", "DEBUG", "INPUT_DEBUG"},
 		},
 	}
 

pipeline.libsonnet

@@ -1,229 +0,0 @@
-{
-  test:: {
-    kind: 'pipeline',
-    name: 'testing',
-    platform: {
-      os: 'linux',
-      arch: 'amd64',
-    },
-    steps: [
-      {
-        name: 'vet',
-        image: 'golang:1.18',
-        pull: 'always',
-        commands: [
-          'make vet',
-        ],
-        volumes: [
-          {
-            name: 'gopath',
-            path: '/go',
-          },
-        ],
-      },
-      // {
-      //   name: 'test',
-      //   image: 'golang:1.18-alpine',
-      //   pull: 'always',
-      //   commands: [
-      //     'apk add git make curl perl bash build-base zlib-dev ucl-dev',
-      //     'make ssh-server',
-      //     'make test',
-      //     'make coverage',
-      //   ],
-      //   volumes: [
-      //     {
-      //       name: 'gopath',
-      //       path: '/go',
-      //     },
-      //   ],
-      // },
-      {
-        name: 'codecov',
-        image: 'robertstettner/drone-codecov',
-        pull: 'always',
-        settings: {
-          token: { 'from_secret': 'codecov_token' },
-        },
-      },
-    ],
-    volumes: [
-      {
-        name: 'gopath',
-        temp: {},
-      },
-    ],
-  },
-
-  build(name, os='linux', arch='amd64'):: {
-    kind: 'pipeline',
-    name: os + '-' + arch,
-    platform: {
-      os: os,
-      arch: arch,
-    },
-    steps: [
-      {
-        name: 'build-push',
-        image: 'golang:1.18',
-        pull: 'always',
-        environment: {
-          CGO_ENABLED: '0',
-        },
-        commands: [
-          'go build -v -ldflags \'-X main.build=${DRONE_BUILD_NUMBER}\' -a -o release/' + os + '/' + arch + '/' + name,
-        ],
-        when: {
-          event: {
-            exclude: [ 'tag' ],
-          },
-        },
-      },
-      {
-        name: 'build-tag',
-        image: 'golang:1.18',
-        pull: 'always',
-        environment: {
-          CGO_ENABLED: '0',
-        },
-        commands: [
-          'go build -v -ldflags \'-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}\' -a -o release/' + os + '/' + arch + '/' + name,
-        ],
-        when: {
-          event: [ 'tag' ],
-        },
-      },
-      {
-        name: 'executable',
-        image: 'golang:1.18',
-        pull: 'always',
-        commands: [
-          './release/' + os + '/' + arch + '/' + name + ' --help',
-        ],
-      },
-      {
-        name: 'dryrun',
-        image: 'plugins/docker:' + os + '-' + arch,
-        pull: 'always',
-        settings: {
-          daemon_off: false,
-          dry_run: true,
-          tags: os + '-' + arch,
-          dockerfile: 'docker/Dockerfile.' + os + '.' + arch,
-          repo: 'appleboy/' + name,
-          cache_from: 'appleboy/' + name,
-        },
-        when: {
-          event: [ 'pull_request' ],
-        },
-      },
-      {
-        name: 'publish',
-        image: 'plugins/docker:' + os + '-' + arch,
-        pull: 'always',
-        settings: {
-          daemon_off: 'false',
-          auto_tag: true,
-          auto_tag_suffix: os + '-' + arch,
-          dockerfile: 'docker/Dockerfile.' + os + '.' + arch,
-          repo: 'appleboy/' + name,
-          cache_from: 'appleboy/' + name,
-          username: { 'from_secret': 'docker_username' },
-          password: { 'from_secret': 'docker_password' },
-        },
-        when: {
-          event: {
-            exclude: [ 'pull_request' ],
-          },
-        },
-      },
-    ],
-    depends_on: [
-      'testing',
-    ],
-    trigger: {
-      ref: [
-        'refs/heads/master',
-        'refs/pull/**',
-        'refs/tags/**',
-      ],
-    },
-  },
-
-  release:: {
-    kind: 'pipeline',
-    name: 'release-binary',
-    platform: {
-      os: 'linux',
-      arch: 'amd64',
-    },
-    steps: [
-      {
-        name: 'build-all-binary',
-        image: 'techknowlogick/xgo:go-1.18.x',
-        pull: 'always',
-        commands: [
-          'export PATH=$PATH:$GOPATH/bin',
-          'make release'
-        ],
-        when: {
-          event: [ 'tag' ],
-        },
-      },
-      {
-        name: 'deploy-all-binary',
-        image: 'plugins/github-release',
-        pull: 'always',
-        settings: {
-          files: [ 'dist/release/*' ],
-          api_key: { 'from_secret': 'github_release_api_key' },
-        },
-        when: {
-          event: [ 'tag' ],
-        },
-      },
-    ],
-    depends_on: [
-      'testing',
-    ],
-    trigger: {
-      ref: [
-        'refs/tags/**',
-      ],
-    },
-  },
-
-  notifications(os='linux', arch='amd64', depends_on=[]):: {
-    kind: 'pipeline',
-    name: 'notifications',
-    platform: {
-      os: os,
-      arch: arch,
-    },
-    steps: [
-      {
-        name: 'manifest',
-        image: 'plugins/manifest',
-        pull: 'always',
-        settings: {
-          username: { from_secret: 'docker_username' },
-          password: { from_secret: 'docker_password' },
-          spec: 'docker/manifest.tmpl',
-          ignore_missing: true,
-        },
-      },
-    ],
-    depends_on: depends_on,
-    trigger: {
-      ref: [
-        'refs/heads/master',
-        'refs/tags/**',
-      ],
-    },
-  },
-
-  signature(key):: {
-    kind: 'signature',
-    hmac: key,
-  }
-}

plugin.go

@@ -103,7 +103,7 @@ func (p Plugin) exec(host string, wg *sync.WaitGroup, errChannel chan error) {
 	for _, key := range p.Config.Envs {
 		key = strings.ToUpper(key)
 		if val, found := os.LookupEnv(key); found {
-			env = append(env, key+"="+escapeArg(val))
+			env = append(env, "export "+key+"="+escapeArg(val))
 		}
 	}
 
@@ -127,9 +127,13 @@ func (p Plugin) exec(host string, wg *sync.WaitGroup, errChannel chan error) {
 			case isTimeout = <-doneChan:
 				break loop
 			case outline := <-stdoutChan:
-				p.log(host, "out:", outline)
+				if outline != "" {
+					p.log(host, "out:", outline)
+				}
 			case errline := <-stderrChan:
-				p.log(host, "err:", errline)
+				if errline != "" {
+					p.log(host, "err:", errline)
+				}
 			case err = <-errChan:
 			}
 		}

plugin_test.go

@@ -3,7 +3,6 @@ package main
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"os"
 	"reflect"
 	"strings"
@@ -410,7 +409,7 @@ func TestWrongFingerprint(t *testing.T) {
 func getHostPublicKeyFile(keypath string) (ssh.PublicKey, error) {
 	var pubkey ssh.PublicKey
 	var err error
-	buf, err := ioutil.ReadFile(keypath)
+	buf, err := os.ReadFile(keypath)
 	if err != nil {
 		return nil, err
 	}
@@ -540,13 +539,13 @@ func TestEnvOutput(t *testing.T) {
 			echo "[${ENV_7}]"
 			======END======
 			======ENV======
-			ENV_1='test'
-			ENV_2='test test'
-			ENV_3='test '
-			ENV_4='  test  test  '
-			ENV_5='test'\'''
-			ENV_6='test"'
-			ENV_7='test,!#;?.@$~'\''"'
+			export ENV_1='test'
+			export ENV_2='test test'
+			export ENV_3='test '
+			export ENV_4='  test  test  '
+			export ENV_5='test'\'''
+			export ENV_6='test"'
+			export ENV_7='test,!#;?.@$~'\''"'
 			======END======
 			out: [test]
 			out: [test test]