24 lines
586 B
Nix
24 lines
586 B
Nix
{ runCommand, git, nix }: src:
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let hash = import (runCommand "head-hash.nix"
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{ dummy = builtins.currentTime;
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preferLocalBuild = true; }
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''
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cd ${toString src}
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(${git}/bin/git show && ${git}/bin/git diff) > $out
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hash=$(${nix}/bin/nix-hash $out)
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echo "\"$hash\"" > $out
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''); in
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runCommand "local-git-export"
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{ dummy = hash;
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preferLocalBuild = true; }
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''
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cd ${toString src}
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mkdir -p "$out"
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for file in $(${git}/bin/git ls-files); do
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mkdir -p "$out/$(dirname $file)"
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cp -d $file "$out/$file" || true # don't fail when trying to copy a directory
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done
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''
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