fix: Windows MSI download on self-hosted runners#259
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mpminardi merged 1 commit intotailscale:mainfrom Jan 15, 2026
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@doringeman thank you for this! Can you run a |
On self-hosted runners, the tool cache directory persists between runs. When GitHub's cloud cache doesn't have an entry (first run, evicted, etc.), but the local MSI file exists from a previous run, tc.downloadTool() fails with "Destination file path already exists". This fix checks if the existing MSI has a valid checksum before downloading: - If valid: reuse it (skip download) - If invalid: delete and re-download Signed-off-by: Dorin Geman <dorin.geman@docker.com>
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Hey @mpminardi, updated, thanks! Sorry I missed that. |
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Jan 15, 2026
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On self-hosted runners, the tool cache directory persists between runs. When GitHub's cloud cache doesn't have an entry (first run, evicted, etc.), but the local MSI file exists from a previous run, tc.downloadTool() fails with "Destination file path already exists".
This fix checks if the existing MSI has a valid checksum before downloading: