646b892680
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56 lines
1.1 KiB
Nix
56 lines
1.1 KiB
Nix
{
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lib,
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stdenv,
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fetchgit,
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bash,
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}:
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let
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mkscript = path: text: ''
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mkdir -pv `dirname ${path}`
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cat > ${path} <<"EOF"
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#!${bash}/bin/bash
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ME=$(basename ${path})
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${text}
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EOF
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sed -i "s@%out@$out@g" ${path}
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chmod +x ${path}
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'';
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hashname =
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r:
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let
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rpl = lib.replaceStrings [ ":" "/" ] [ "_" "_" ];
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in
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(rpl r.url) + "-" + (rpl r.rev);
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in
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stdenv.mkDerivation {
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name = "fakegit";
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buildCommand = ''
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mkdir -pv $out/repos
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${lib.concatMapStrings (
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r: "cp -r ${fetchgit r} $out/repos/${hashname r}\n"
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) (import ./src-libs.nix)}
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${mkscript "$out/bin/checkout-git.sh" ''
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if test "$#" -ne 4; then
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echo "Usage: $0 DESTINATION URL GITBRANCH HASH"
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exit 1
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fi
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DEST=$1
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URL=`echo $2 | tr :/ __`
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GITBRANCH=$3
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REVISION=$4
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REVISION=`echo $REVISION | tr :/ __`
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rm -rf $DEST
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mkdir -pv $DEST
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echo "FAKEGIT cp -r %out/repos/$URL-$REVISION $DEST" >&2
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cp -r %out/repos/$URL-$REVISION/* $DEST
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chmod u+w -R $DEST
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''}
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'';
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}
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