prepare for windows 1903 [ci skip]

.drone.yml

@@ -21,7 +21,7 @@ steps:
     auto_tag_suffix: linux-amd64
     dockerfile: docker/Dockerfile.linux.amd64
     password:
-      $secret: password
+      from_secret: docker_password
     repo: drone/git
     username: drone
   when:
@@ -52,7 +52,7 @@ steps:
     auto_tag_suffix: linux-arm64
     dockerfile: docker/Dockerfile.linux.arm64
     password:
-      $secret: password
+      from_secret: docker_password
     repo: drone/git
     username: drone
   when:
@@ -83,7 +83,7 @@ steps:
     auto_tag_suffix: linux-arm
     dockerfile: docker/Dockerfile.linux.arm
     password:
-      $secret: password
+      from_secret: docker_password
     repo: drone/git
     username: drone
   when:
@@ -105,7 +105,7 @@ steps:
   settings:
     ignore_missing: true
     password:
-      $secret: password
+      from_secret: docker_password
     spec: docker/manifest.tmpl
     username: drone
   when:
@@ -119,11 +119,4 @@ depends_on:
 - linux-arm64
 - linux-amd64
 
----
-kind: secret
-type: external
-data:
-  password: "drone/docker#password"
-  username: "drone/docker#username"
-
 ...

docker/Dockerfile.windows.1903

@@ -0,0 +1,20 @@
+# escape=`
+
+FROM mcr.microsoft.com/windows/servercore:1903 AS git
+SHELL ["powershell.exe", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
+
+RUN [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 ; `
+    Invoke-WebRequest -UseBasicParsing https://github.com/git-for-windows/git/releases/download/v2.21.0.windows.1/MinGit-2.21.0-64-bit.zip -OutFile git.zip; `
+    Expand-Archive git.zip -DestinationPath C:\git;
+
+FROM mcr.microsoft.com/powershell:nanoserver-1903
+COPY --from=git /git /git
+
+ADD windows/* /bin/
+
+# https://github.com/PowerShell/PowerShell/issues/6211#issuecomment-367477137
+USER ContainerAdministrator
+RUN setx /M PATH "%PATH%;C:\Program Files\PowerShell"
+
+SHELL ["pwsh", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
+CMD [ "pwsh", "C:\\bin\\clone.ps1" ]