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48 lines
1.4 KiB
Markdown
48 lines
1.4 KiB
Markdown
# HACKING
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## `php update.php`
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This downloads the relevant releases from GitHub, and generates hashes of all files contained within each release.
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This includes all releases that were not:
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1. nightly releases
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2. beta releases
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3. older than 0.24.0 (electron was called atom-shell before that)
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All generated hashes are kept in `hashes/$version.json`. A sample snippet for the JSON structure:
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```json
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{
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"LICENSE": "10bfa95a2f25df14dfe6a55a9e73d9fa5becdb60",
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"LICENSES.chromium.html": "fa5b9f95d12b0044d6ae8dbf303ad46d43edea76",
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"version": "0e2ef13d37fb9a81b63ab1babfa39635722366a3",
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"Electron.app/Contents/PkgInfo": "9f9eea0cfe2d65f2c3d6b092e375b40782d08f31",
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}
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```
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Post generation of hashes, a lookup table is generated from all the hashes. Using this lookup table, you can query a hash and get a list of releases that specific hash was found in.
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These are stored in the following architecture specific files:
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- `lookup/darwin-arm64.json`
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- `lookup/darwin-x64.json`
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- `lookup/linux-arm64.json`
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- `lookup/linux-x64.json`
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- `lookup/win32-arm64.json`
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- `lookup/win32-x64.json`
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The schema for these files is fairly intuitive:
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```json
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{
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"sha1_hash": ["list", "of", "versions"],
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"sha1_hash": ["list", "of", "versions"]
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}
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```
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## GitHub Actions
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1. Tests are run on all supported Node versions
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2. Hashes are automatically updated daily, and a new release is triggered in case of new electron releases.
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