17 lines
404 B
Nix
17 lines
404 B
Nix
{ pkgs, ... }:
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let
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hgRepo = builtins.path { path = ./.hg; name = "depot-hg"; };
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changesetDeriv = pkgs.runCommandLocal "depot-version" {
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HG_REPO = hgRepo;
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MERCURIAL = pkgs.mercurial;
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} ''
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mytmp=$(mktemp -d)
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pushd $mytmp
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ln -s $HG_REPO .hg
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echo -n "depot-$($MERCURIAL/bin/hg id --id | tr -d '+')" > $out
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popd
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rm -rf $mytmp
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'';
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in
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builtins.readFile changesetDeriv
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