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authorYousong Zhou <yszhou4tech@gmail.com>2018-02-11 17:42:22 +0800
committerYousong Zhou <yszhou4tech@gmail.com>2018-06-27 10:51:27 +0800
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build: download code from github using archive API
A new python script scripts/download.py is added to fetch tarballs using GitHub archive API [1], then repack in a reproducible way same as the current DownloadMethod/git GitHub imposes a 60 reqs/hour rate limit on unauthenticated API access[2]. This affects fetching commit date for feeding tar --mtime= argument. However, observation indicates that archive download is NOT subject to this limit at the moment. In the rare cases where download fails because of this, we will falback to using DownloadMethod/git The missing piece in the GitHub API is that it cannot provide in the tarball dependent submodules's source code. In that case, the implementation will also fallback to using DownloadMethod/git [1] Get archive link, https://developer.github.com/v3/repos/contents/#get-archive-link [2] Rate limiting, https://developer.github.com/v3/#rate-limiting v2 <- v1: - allow passing multiple urls with --urls argument - add commit ts cache. can be helpful on retry Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
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