26 lines
590 B
Nix
26 lines
590 B
Nix
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{ curl, jq, nix, writeDashBin }:
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writeDashBin "nix-prefetch-github" ''
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# usage: nix-prefetch-github OWNER REPO [REF]
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set -efu
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owner=$1
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repo=$2
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ref=''${3-master}
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info_url=https://api.github.com/repos/$owner/$repo/commits/$ref
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info=$(${curl}/bin/curl -fsS "$info_url")
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rev=$(printf %s "$info" | ${jq}/bin/jq -r .sha)
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name=$owner-$repo-$ref
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url=https://github.com/$owner/$repo/tarball/$rev
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sha256=$(${nix}/bin/nix-prefetch-url --name "$name" --unpack "$url")
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export owner repo rev sha256
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${jq}/bin/jq -n '
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env | {
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owner, repo, rev, sha256
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}
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'
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''
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