Fix powershell condition [CI SKIP]

fix ref variable usage

.drone.windows.jsonnet

@@ -0,0 +1,74 @@
+local windows_pipe = '\\\\\\\\.\\\\pipe\\\\docker_engine';
+local windows_pipe_volume = 'docker_pipe';
+local versions = [
+  //'1803',
+  '1809',
+];
+local trigger = {
+  ref: [
+    'refs/heads/master',
+    'refs/tags/**',
+  ],
+};
+local pipeline_name(version) = 'Windows ' + version;
+
+local pipeline(version, arch) = {
+  kind: 'pipeline',
+  name: pipeline_name(version),
+
+  platform: {
+    os: 'windows',
+    arch: arch,
+    version: version,
+  },
+
+  steps: [{
+    name: 'git',
+    image: 'plugins/docker:windows-1809',  // TODO: This should just use the manifest
+    settings: {
+      repo: 'drone/git',
+      dockerfile: 'docker/Dockerfile.windows.' + version,
+      auto_tag: true,
+      auto_tag_suffix: 'windows-' + version + '-' + arch,
+
+      username: { from_secret: 'docker_username' },
+      password: { from_secret: 'docker_password' },
+
+      // Windows specific options
+      daemon_off: true,
+      purge: 'false',  // TODO: Fix bug where setting false won't generate the yaml value
+    },
+    volumes: [{ name: windows_pipe_volume, path: windows_pipe }],
+  }],
+
+  volumes: [{ name: windows_pipe_volume, host: { path: windows_pipe } }],
+  trigger: trigger,
+};
+
+[
+  pipeline(version, 'amd64')
+  for version in versions
+] + [
+  {
+    kind: 'pipeline',
+    name: 'Image Manifest',
+
+    steps: [{
+      name: 'manifest',
+      image: 'plugins/manifest',
+      settings: {
+        spec: 'docker/manifest.tmpl',
+        ignore_missing: true,
+
+        username: { from_secret: 'docker_username' },
+        password: { from_secret: 'docker_password' },
+      },
+    }],
+
+    depends_on: [
+      pipeline_name(version)
+      for version in versions
+    ],
+    trigger: trigger,
+  },
+]

.drone.windows.yml

@@ -0,0 +1,65 @@
+---
+kind: pipeline
+name: Windows 1809
+
+platform:
+  os: windows
+  arch: amd64
+  version: 1809
+
+steps:
+- name: git
+  image: plugins/docker:windows-1809
+  settings:
+    auto_tag: true
+    auto_tag_suffix: windows-1809-amd64
+    daemon_off: true
+    dockerfile: docker/Dockerfile.windows.1809
+    password:
+      from_secret: docker_password
+    purge: false
+    repo: drone/git
+    username:
+      from_secret: docker_username
+  volumes:
+  - name: docker_pipe
+    path: \\\\.\\pipe\\docker_engine
+
+volumes:
+- name: docker_pipe
+  host:
+    path: \\\\.\\pipe\\docker_engine
+
+trigger:
+  ref:
+  - refs/heads/master
+  - "refs/tags/**"
+
+---
+kind: pipeline
+name: Image Manifest
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: manifest
+  image: plugins/manifest
+  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/**"
+
+depends_on:
+- Windows 1809
+
+...

README.md

@@ -0,0 +1,24 @@
+# drone-git
+
+Drone plugin to clone `git` repositories.
+
+## Build
+
+Build the Docker image with the following commands:
+
+```
+docker build --rm -f docker/Dockerfile.linux.amd64 -t drone/git .
+```
+
+## Usage
+
+Clone a commit:
+
+```
+docker run --rm \
+  -e DRONE_REMOTE_URL=https://github.com/drone/envsubst.git \
+  -e DRONE_BUILD_EVENT=push \
+  -e DRONE_COMMIT_SHA=15e3f9b7e16332eee3bbdff9ef31f95d23c5da2c \
+  -e DRONE_COMMIT_BRANCH=master \
+  drone/git
+```

docker/Dockerfile.linux.amd64

@@ -1,5 +1,5 @@
-FROM alpine:3.6
+FROM alpine:3.7
-RUN apk add --no-cache ca-certificates git openssh curl perl
+RUN apk add --no-cache ca-certificates git git-lfs openssh curl perl
 
 ADD posix/* /usr/local/bin/
 ENTRYPOINT ["/usr/local/bin/clone"]

docker/Dockerfile.linux.arm

@@ -1,5 +1,5 @@
-FROM arm32v6/alpine:3.6
+FROM arm32v6/alpine:3.7
-RUN apk add --no-cache ca-certificates git openssh curl perl
+RUN apk add --no-cache ca-certificates git git-lfs openssh curl perl
 
 ADD posix/* /usr/local/bin/
 ENTRYPOINT ["/usr/local/bin/clone"]

docker/Dockerfile.linux.arm6

@@ -1,5 +1,5 @@
-FROM arm32v6/alpine:3.6
+FROM arm32v6/alpine:3.7
-RUN apk add --no-cache ca-certificates git openssh curl perl
+RUN apk add --no-cache ca-certificates git git-lfs openssh curl perl
 
 ADD posix/* /usr/local/bin/
 ENTRYPOINT ["/usr/local/bin/clone"]

docker/Dockerfile.linux.arm64

@@ -1,5 +1,5 @@
-FROM arm64v8/alpine:3.6
+FROM arm64v8/alpine:3.7
-RUN apk add --no-cache ca-certificates git openssh curl perl
+RUN apk add --no-cache ca-certificates git git-lfs openssh curl perl
 
 ADD posix/* /usr/local/bin/
 ENTRYPOINT ["/usr/local/bin/clone"]

docker/Dockerfile.linux.arm7

@@ -1,5 +1,5 @@
-FROM arm32v6/alpine:3.6
+FROM arm32v6/alpine:3.7
-RUN apk add --no-cache ca-certificates git openssh curl perl
+RUN apk add --no-cache ca-certificates git git-lfs openssh curl perl
 
 ADD posix/* /usr/local/bin/
 ENTRYPOINT ["/usr/local/bin/clone"]

docker/Dockerfile.linux.arm8

@@ -1,5 +1,5 @@
-FROM arm64v8/alpine:3.6
+FROM arm64v8/alpine:3.7
-RUN apk add --no-cache ca-certificates git openssh curl perl
+RUN apk add --no-cache ca-certificates git git-lfs openssh curl perl
 
 ADD posix/* /usr/local/bin/
 ENTRYPOINT ["/usr/local/bin/clone"]

docker/Dockerfile.windows.1803

@@ -1,11 +1,13 @@
-FROM microsoft/windowsservercore:1803 AS git
+# escape=`
+
+FROM mcr.microsoft.com/windows/servercore:1803 AS git
 SHELL ["powershell.exe", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-RUN [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 ; \
+RUN [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 ; `
-    Invoke-WebRequest -UseBasicParsing https://github.com/git-for-windows/git/releases/download/v2.19.0-rc2.windows.1/MinGit-2.19.0.rc2.windows.1-64-bit.zip -OutFile git.zip; \
+    Invoke-WebRequest -UseBasicParsing https://github.com/git-for-windows/git/releases/download/v2.21.0.windows.1/MinGit-2.21.0-64-bit.zip -OutFile git.zip; `
-    Expand-Archive git.zip -DestinationPath C:\git
+    Expand-Archive git.zip -DestinationPath C:\git;
 
-FROM microsoft/powershell:nanoserver-1803 
+FROM mcr.microsoft.com/powershell:nanoserver-1803 
 COPY --from=git /git /git
 
 ADD windows/* /bin/
@@ -14,7 +16,5 @@ ADD windows/* /bin/
 USER ContainerAdministrator
 RUN setx /M PATH "%PATH%;C:\Program Files\PowerShell"
 
-ENV HOME C:\\Users\\ContainerAdministrator
-
 SHELL ["pwsh", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 CMD [ "pwsh", "C:\\bin\\clone.ps1" ]

docker/Dockerfile.windows.1809

@@ -1,11 +1,13 @@
-FROM microsoft/windowsservercore:1709 AS git
+# escape=`
+
+FROM mcr.microsoft.com/windows/servercore:1809 AS git
 SHELL ["powershell.exe", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-RUN [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 ; \
+RUN [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 ; `
-    Invoke-WebRequest -UseBasicParsing https://github.com/git-for-windows/git/releases/download/v2.19.0-rc2.windows.1/MinGit-2.19.0.rc2.windows.1-64-bit.zip -OutFile git.zip; \
+    Invoke-WebRequest -UseBasicParsing https://github.com/git-for-windows/git/releases/download/v2.21.0.windows.1/MinGit-2.21.0-64-bit.zip -OutFile git.zip; `
-    Expand-Archive git.zip -DestinationPath C:\git
+    Expand-Archive git.zip -DestinationPath C:\git;
 
-FROM microsoft/powershell:nanoserver-1709 
+FROM mcr.microsoft.com/powershell:nanoserver-1809
 COPY --from=git /git /git
 
 ADD windows/* /bin/
@@ -14,7 +16,5 @@ ADD windows/* /bin/
 USER ContainerAdministrator
 RUN setx /M PATH "%PATH%;C:\Program Files\PowerShell"
 
-ENV HOME C:\\Users\\ContainerAdministrator
-
 SHELL ["pwsh", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 CMD [ "pwsh", "C:\\bin\\clone.ps1" ]

docker/manifest.tmpl

@@ -24,8 +24,14 @@ manifests:
       architecture: arm
       os: linux
   -
-    image: drone/git:windows-1803
+    image: drone/git:windows-1803-amd64
     platform:
-      architecture: arm
+      architecture: amd64
-      os: linux
+      os: windows
-      os.version: 10.0.17134.165
+      version: 1803
+  -
+    image: drone/git:windows-1809-amd64
+    platform:
+      architecture: amd64
+      os: windows
+      version: 1809

posix/clone

@@ -32,18 +32,30 @@ fi
 # configure git global behavior and parameters via the
 # following environment variables:
 
-export GIT_AUTHOR_NAME=${DRONE_COMMIT_AUTHOR_NAME=drone}
-export GIT_AUTHOR_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL=drone@localhost}
-export GIT_COMMITTER_NAME=${GIT_AUTHOR_NAME}
-export GIT_COMMITTER_EMAIL=${GIT_AUTHOR_EMAIL}
-# GIT_SSL_NO_VERIFY=
 
+if [[ -z "${DRONE_COMMIT_AUTHOR_NAME}" ]]; then
+	export DRONE_COMMIT_AUTHOR_NAME=drone
+fi
+
+if [[ -z "${DRONE_COMMIT_AUTHOR_EMAIL}" ]]; then
+	export DRONE_COMMIT_AUTHOR_EMAIL=drone@localhost
+fi
+
+export GIT_AUTHOR_NAME=${DRONE_COMMIT_AUTHOR_NAME}
+export GIT_AUTHOR_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL}
+export GIT_COMMITTER_NAME=${DRONE_COMMIT_AUTHOR_NAME}
+export GIT_COMMITTER_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL}
 
 # invoke the sub-script based on the drone event type.
 # TODO we should ultimately look at the ref, since
 # we need something compatible with deployment events.
 
-case $DRONE_BUILD_EVENT in
+CLONE_TYPE=$DRONE_BUILD_EVENT
+case $DRONE_COMMIT_REF in
+  refs/tags/* ) CLONE_TYPE=tag ;;
+esac
+
+case $CLONE_TYPE in
 pull_request)
 	clone-pull-request
 	;;

posix/clone-pull-request

@@ -17,4 +17,4 @@ git fetch ${FLAGS} origin +refs/heads/${DRONE_COMMIT_BRANCH}:
 git checkout ${DRONE_COMMIT_BRANCH}
 
 git fetch origin ${DRONE_COMMIT_REF}:
-git rebase ${DRONE_COMMIT_SHA}
+git merge ${DRONE_COMMIT_SHA}

posix/posix.go

@@ -1 +1,3 @@
 package posix
+
+//go:generate go run ../scripts/includetext.go --input=clone --input=clone-commit --input=clone-pull-request --input=clone-tag --package=posix --output=posix_gen.go

posix/posix_gen.go

@@ -0,0 +1,137 @@
+package posix
+
+// DO NOT EDIT. This file is automatically generated.
+
+// Contents of clone
+const Clone = `#!/bin/sh
+
+if [[ ! -z "${DRONE_WORKSPACE}" ]]; then
+	cd ${DRONE_WORKSPACE}
+fi
+
+# if the netrc enviornment variables exist, write
+# the netrc file.
+
+if [[ ! -z "${DRONE_NETRC_MACHINE}" ]]; then
+	cat <<EOF > /root/.netrc
+machine ${DRONE_NETRC_MACHINE}
+login ${DRONE_NETRC_USERNAME}
+password ${DRONE_NETRC_PASSWORD}
+EOF
+fi
+
+# if the ssh_key environment variable exists, write
+# the ssh key and add the netrc machine to the
+# known hosts file.
+
+if [[ ! -z "${SSH_KEY}" ]]; then
+	mkdir /root/.ssh
+	echo -n "$SSH_KEY" > /root/.ssh/id_rsa
+	chmod 600 /root/.ssh/id_rsa
+
+	touch /root/.ssh/known_hosts
+	chmod 600 /root/.ssh/known_hosts
+	ssh-keyscan -H ${DRONE_NETRC_MACHINE} > /etc/ssh/ssh_known_hosts 2> /dev/null
+fi
+
+# configure git global behavior and parameters via the
+# following environment variables:
+
+
+if [[ -z "${DRONE_COMMIT_AUTHOR_NAME}" ]]; then
+	export DRONE_COMMIT_AUTHOR_NAME=drone
+fi
+
+if [[ -z "${DRONE_COMMIT_AUTHOR_EMAIL}" ]]; then
+	export DRONE_COMMIT_AUTHOR_EMAIL=drone@localhost
+fi
+
+export GIT_AUTHOR_NAME=${DRONE_COMMIT_AUTHOR_NAME}
+export GIT_AUTHOR_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL}
+export GIT_COMMITTER_NAME=${DRONE_COMMIT_AUTHOR_NAME}
+export GIT_COMMITTER_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL}
+
+# invoke the sub-script based on the drone event type.
+# TODO we should ultimately look at the ref, since
+# we need something compatible with deployment events.
+
+CLONE_TYPE=$DRONE_BUILD_EVENT
+case $DRONE_COMMIT_REF in
+  refs/tags/* ) CLONE_TYPE=tag ;;
+esac
+
+case $CLONE_TYPE in
+pull_request)
+	clone-pull-request
+	;;
+tag)
+	clone-tag
+	;;
+*)
+	clone-commit
+	;;
+esac
+`
+
+// Contents of clone-commit
+const CloneCommit = `#!/bin/sh
+
+FLAGS=""
+if [[ ! -z "${PLUGIN_DEPTH}" ]]; then
+	FLAGS="--depth=${PLUGIN_DEPTH}"
+fi
+
+if [ ! -d .git ]; then
+	git init
+	git remote add origin ${DRONE_REMOTE_URL}
+fi
+
+set -e
+set -x
+
+git fetch ${FLAGS} origin +refs/heads/${DRONE_COMMIT_BRANCH}:
+git checkout ${DRONE_COMMIT_SHA} -b ${DRONE_COMMIT_BRANCH}
+`
+
+// Contents of clone-pull-request
+const ClonePullRequest = `#!/bin/sh
+
+FLAGS=""
+if [[ ! -z "${PLUGIN_DEPTH}" ]]; then
+	FLAGS="--depth=${PLUGIN_DEPTH}"
+fi
+
+if [ ! -d .git ]; then
+	git init
+	git remote add origin ${DRONE_REMOTE_URL}
+fi
+
+set -e
+set -x
+
+git fetch ${FLAGS} origin +refs/heads/${DRONE_COMMIT_BRANCH}:
+git checkout ${DRONE_COMMIT_BRANCH}
+
+git fetch origin ${DRONE_COMMIT_REF}:
+git merge ${DRONE_COMMIT_SHA}
+`
+
+// Contents of clone-tag
+const CloneTag = `#!/bin/sh
+
+FLAGS=""
+if [[ ! -z "${PLUGIN_DEPTH}" ]]; then
+	FLAGS="--depth=${PLUGIN_DEPTH}"
+fi
+
+if [ ! -d .git ]; then
+	git init
+	git remote add origin ${DRONE_REMOTE_URL}
+fi
+
+set -e
+set -x
+
+git fetch ${FLAGS} origin +refs/tags/${DRONE_TAG}:
+git checkout -qf FETCH_HEAD
+`

scripts/includetext.go

@@ -0,0 +1,87 @@
+// +build ignore
+
+package main
+
+import (
+	"bytes"
+	"flag"
+	"io/ioutil"
+	"log"
+	"path/filepath"
+	"strings"
+	"text/template"
+)
+
+var (
+	input  stringSlice
+	output string
+	name   string
+)
+
+func main() {
+	flag.Var(&input, "input", "input files")
+	flag.StringVar(&output, "output", "", "output file")
+	flag.StringVar(&name, "package", "", "package name")
+	flag.Parse()
+
+	var files []File
+	for _, file := range input {
+		out, err := ioutil.ReadFile(file)
+		if err != nil {
+			log.Fatalln(err)
+		}
+		files = append(files, File{
+			Name: file,
+			Slug: slugify(file),
+			Data: string(out),
+		})
+	}
+
+	data := map[string]interface{}{
+		"Files":   files,
+		"Package": name,
+	}
+	buf := new(bytes.Buffer)
+	err := tmpl.Execute(buf, data)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	ioutil.WriteFile(output, buf.Bytes(), 0644)
+}
+
+func slugify(s string) string {
+	ext := filepath.Ext(s)
+	s = strings.TrimSuffix(s, ext)
+	s = strings.Title(s)
+	s = strings.ReplaceAll(s, "-", "")
+	s = strings.ReplaceAll(s, "_", "")
+	return s
+}
+
+type stringSlice []string
+
+func (s *stringSlice) String() string {
+	return strings.Join(*s, ",")
+}
+
+func (s *stringSlice) Set(value string) error {
+	*s = append(*s, value)
+	return nil
+}
+
+type File struct {
+	Name string
+	Data string
+	Slug string
+}
+
+var tmpl = template.Must(template.New("_").Parse(`package {{ .Package }}
+
+// DO NOT EDIT. This file is automatically generated.
+
+{{ range .Files -}}
+// Contents of {{ .Name }}
+const {{ .Slug }} = ` + "`{{ .Data }}`" + `
+
+{{ end -}}`))

windows/clone-commit.ps1

@@ -5,9 +5,13 @@ if ($Env:PLUGIN_DEPTH) {
 }
 
 if (!(Test-Path .git)) {
+	Write-Host 'git init';
 	git init
+	Write-Host "git remote add origin $Env:DRONE_REMOTE_URL"
 	git remote add origin $Env:DRONE_REMOTE_URL
 }
 
-git fetch $FLAGS origin "+refs/heads/${Env:DRONE_COMMIT_BRANCH}:"
+Write-Host "git fetch $FLAGS origin +refs/heads/${Env:DRONE_COMMIT_BRANCH}:";
-git checkout $Env:DRONE_COMMIT_SHA -b $Env:DRONE_COMMIT_BRANCH
+git fetch $FLAGS origin "+refs/heads/${Env:DRONE_COMMIT_BRANCH}:";
+Write-Host "git checkout $Env:DRONE_COMMIT_SHA -f $Env:DRONE_COMMIT_BRANCH";
+git checkout $Env:DRONE_COMMIT_SHA -b $Env:DRONE_COMMIT_BRANCH;

windows/clone-pull-request.ps1

@@ -12,5 +12,5 @@ if (!(Test-Path .git)) {
 git fetch $FLAGS origin "+refs/heads/${Env:DRONE_COMMIT_BRANCH}:"
 git checkout $Env:DRONE_COMMIT_BRANCH
 
-git fetch origin $Env:DRONE_COMMIT_REF:
+git fetch origin "${Env:DRONE_COMMIT_REF}:"
-git rebase $Env:DRONE_COMMIT_SHA
+git merge $Env:DRONE_COMMIT_SHA

windows/clone.ps1

@@ -15,11 +15,11 @@ if ($Env:DRONE_WORKSPACE) {
 # the netrc file.
 
 if ($Env:DRONE_NETRC_MACHINE) {
-
+@"
-$netrc=[string]::Format("{0}\_netrc",$Env:HOME);
+machine $Env:DRONE_NETRC_MACHINE
-"machine $Env:CI_NETRC_MACHINE" >> $netrc;
+login $Env:DRONE_NETRC_USERNAME
-"login $Env:CI_NETRC_USERNAME" >> $netrc;
+password $Env:DRONE_NETRC_PASSWORD
-"password $Env:CI_NETRC_PASSWORD" >> $netrc;
+"@ > (Join-Path $Env:USERPROFILE '_netrc');
 }
 
 # configure git global behavior and parameters via the
@@ -29,16 +29,16 @@ if ($Env:PLUGIN_SKIP_VERIFY) {
     $Env:GIT_SSL_NO_VERIFY = "true"
 }
 
-if ($Env:DRONE_COMMIT_AUTHOR_NAME) {
+if ($Env:DRONE_COMMIT_AUTHOR_NAME -eq '' -or $Env:DRONE_COMMIT_AUTHOR_NAME -eq $null) {
-    $Env:GIT_AUTHOR_NAME = $Env:DRONE_COMMIT_AUTHOR_NAME
-} else {
     $Env:GIT_AUTHOR_NAME = "drone"
+} else {
+    $Env:GIT_AUTHOR_NAME = $Env:DRONE_COMMIT_AUTHOR_NAME
 }
 
-if ($Env:DRONE_COMMIT_AUTHOR_NAME) {
+if ($Env:DRONE_COMMIT_AUTHOR_EMAIL -eq '' -or $Env:DRONE_COMMIT_AUTHOR_EMAIL -eq $null) {
-    $Env:GIT_AUTHOR_NAME = $Env:DRONE_COMMIT_AUTHOR_NAME
+    $Env:GIT_AUTHOR_EMAIL = 'drone@localhost'
 } else {
-    $Env:GIT_AUTHOR_NAME = 'drone@localhost'
+    $Env:GIT_AUTHOR_EMAIL = $Env:DRONE_COMMIT_AUTHOR_EMAIL
 }
 
 $Env:GIT_COMMITTER_NAME  = $Env:GIT_AUTHOR_NAME
@@ -50,7 +50,7 @@ $Env:GIT_COMMITTER_EMAIL = $Env:GIT_AUTHOR_EMAIL
 
 switch ($Env:DRONE_BUILD_EVENT) {
     "pull_request" {
-        Invoke-Expression "${PSScriptRoot}\clone-pull-reqest.ps1"
+        Invoke-Expression "${PSScriptRoot}\clone-pull-request.ps1"
         break
     }
     "tag" {

windows/windows.go

@@ -0,0 +1,3 @@
+package windows
+
+//go:generate go run ../scripts/includetext.go --input=clone.ps1 --input=clone-commit.ps1 --input=clone-pull-request.ps1 --input=clone-tag.ps1 --package=windows --output=windows_gen.go

windows/windows_gen.go

@@ -0,0 +1,125 @@
+package windows
+
+// DO NOT EDIT. This file is automatically generated.
+
+// Contents of clone.ps1
+const Clone = `$ErrorActionPreference = 'Stop';
+
+# HACK: no clue how to set the PATH inside the Dockerfile,
+# so am setting it here instead. This is not idea.
+$Env:PATH += ';C:\git\cmd;C:\git\mingw64\bin;C:\git\usr\bin'
+
+# if the workspace is set we should make sure
+# it is the current working directory.
+
+if ($Env:DRONE_WORKSPACE) {
+    cd $Env:DRONE_WORKSPACE
+}
+
+# if the netrc enviornment variables exist, write
+# the netrc file.
+
+if ($Env:DRONE_NETRC_MACHINE) {
+@"
+machine $Env:DRONE_NETRC_MACHINE
+login $Env:DRONE_NETRC_USERNAME
+password $Env:DRONE_NETRC_PASSWORD
+"@ > (Join-Path $Env:USERPROFILE '_netrc');
+}
+
+# configure git global behavior and parameters via the
+# following environment variables:
+
+if ($Env:PLUGIN_SKIP_VERIFY) {
+    $Env:GIT_SSL_NO_VERIFY = "true"
+}
+
+if ($Env:DRONE_COMMIT_AUTHOR_NAME) {
+    $Env:GIT_AUTHOR_NAME = $Env:DRONE_COMMIT_AUTHOR_NAME
+} else {
+    $Env:GIT_AUTHOR_NAME = "drone"
+}
+
+if ($Env:DRONE_COMMIT_AUTHOR_NAME) {
+    $Env:GIT_AUTHOR_NAME = $Env:DRONE_COMMIT_AUTHOR_NAME
+} else {
+    $Env:GIT_AUTHOR_NAME = 'drone@localhost'
+}
+
+$Env:GIT_COMMITTER_NAME  = $Env:GIT_AUTHOR_NAME
+$Env:GIT_COMMITTER_EMAIL = $Env:GIT_AUTHOR_EMAIL
+
+# invoke the sub-script based on the drone event type.
+# TODO we should ultimately look at the ref, since
+# we need something compatible with deployment events.
+
+switch ($Env:DRONE_BUILD_EVENT) {
+    "pull_request" {
+        Invoke-Expression "${PSScriptRoot}\clone-pull-request.ps1"
+        break
+    }
+    "tag" {
+        Invoke-Expression "${PSScriptRoot}\clone-tag.ps1"
+        break
+    }
+    default {
+        Invoke-Expression "${PSScriptRoot}\clone-commit.ps1"
+        break
+    }
+}
+`
+
+// Contents of clone-commit.ps1
+const CloneCommit = `
+Set-Variable -Name "FLAGS" -Value ""
+if ($Env:PLUGIN_DEPTH) {
+    Set-Variable -Name "FLAGS" -Value "--depth=$Env:PLUGIN_DEPTH" 
+}
+
+if (!(Test-Path .git)) {
+	Write-Host 'git init';
+	git init
+	Write-Host "git remote add origin $Env:DRONE_REMOTE_URL"
+	git remote add origin $Env:DRONE_REMOTE_URL
+}
+
+Write-Host "git fetch $FLAGS origin +refs/heads/${Env:DRONE_COMMIT_BRANCH}:";
+git fetch $FLAGS origin "+refs/heads/${Env:DRONE_COMMIT_BRANCH}:";
+Write-Host "git checkout $Env:DRONE_COMMIT_SHA -f $Env:DRONE_COMMIT_BRANCH";
+git checkout $Env:DRONE_COMMIT_SHA -b $Env:DRONE_COMMIT_BRANCH;
+`
+
+// Contents of clone-pull-request.ps1
+const ClonePullRequest = `
+Set-Variable -Name "FLAGS" -Value ""
+if ($Env:PLUGIN_DEPTH) {
+    Set-Variable -Name "FLAGS" -Value "--depth=$Env:PLUGIN_DEPTH" 
+}
+
+if (!(Test-Path .git)) {
+	git init
+	git remote add origin $Env:DRONE_REMOTE_URL
+}
+
+git fetch $FLAGS origin "+refs/heads/${Env:DRONE_COMMIT_BRANCH}:"
+git checkout $Env:DRONE_COMMIT_BRANCH
+
+git fetch origin $Env:DRONE_COMMIT_REF:
+git rebase $Env:DRONE_COMMIT_SHA
+`
+
+// Contents of clone-tag.ps1
+const CloneTag = `
+Set-Variable -Name "FLAGS" -Value ""
+if ($Env:PLUGIN_DEPTH) {
+    Set-Variable -Name "FLAGS" -Value "--depth=$Env:PLUGIN_DEPTH" 
+}
+
+if (!(Test-Path .git)) {
+	git init
+	git remote add origin $Env:DRONE_REMOTE_URL
+}
+
+git fetch $FLAGS origin "+refs/tags/${Env:DRONE_TAG}:"
+git checkout -qf FETCH_HEAD
+`