[windows] skip 'UNIX only'

chezmoi apply
stdout evidence

[short] stop

chezmoi dump
cmpenv stdout golden/dump.json

[!exec:tar] stop

chezmoi archive --output=archive.tar
exec tar -tf archive.tar
cmp stdout golden/archive

-- golden/archive --
script
-- golden/dump.json --
[
  {
    "type": "script",
    "sourcePath": "$WORK/home/user/.local/share/chezmoi/run_script",
    "targetPath": "script",
    "once": false,
    "template": false,
    "contents": "#!/bin/sh\n\necho evidence\n"
  }
]
-- home/user/.local/share/chezmoi/run_script --
#!/bin/sh

echo evidence
