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Henrik RydgårdandClaude Opus 5.5
4bdfb8604c
FFmpeg has prebuilt libraries for every platform, 1.5 GB, and every job checked all of it out, taking 2-3 minutes. checkout-submodules.sh fetches the other submodules as before, and FFmpeg as a partial clone with a sparse checkout of the given folders, plus the source headers since some builds have the ffmpeg folder on the include path. A Linux x86-64 build gets 67 MB. Alpine, which builds FFmpeg itself, gets the sources and none of the libraries. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
28 lines
1.2 KiB
Bash
Executable File
28 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# Checks out the submodules like actions/checkout's "submodules: recursive" does, except that of
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# FFmpeg, which holds prebuilt libraries for every platform (1.5 GB), only the given paths are
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# fetched. They're sparse checkout patterns relative to ffmpeg/, like /linux/x86_64/. The source
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# tree's headers always come along, since some builds have the ffmpeg folder on the include path.
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#
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# Run from the repository root, after a checkout without submodules:
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# .github/checkout-submodules.sh /linux/x86_64/
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set -e
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# On Windows, keep Git Bash from turning the patterns into Windows paths on the way to git.exe.
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export MSYS_NO_PATHCONV=1
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export MSYS2_ARG_CONV_EXCL='*'
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others=$(git config -f .gitmodules --get-regexp '^submodule\..*\.path$' | awk '$2 != "ffmpeg" {print $2}')
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git submodule update --init --recursive --depth 1 --jobs 8 -- $others
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# A partial clone, so only the blobs the sparse checkout needs get downloaded.
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sha=$(git rev-parse HEAD:ffmpeg)
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url=$(git config -f .gitmodules submodule.ffmpeg.url)
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git -C ffmpeg init -q
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git -C ffmpeg remote add origin "$url"
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git -C ffmpeg sparse-checkout set --no-cone '/*.h' '/lib*/**/*.h' "$@"
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git -C ffmpeg fetch -q --depth 1 --filter=blob:none origin "$sha"
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git -C ffmpeg checkout -q FETCH_HEAD
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du -sh ffmpeg
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