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https://github.com/privatevoid-net/nix-super.git
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39 lines
1.2 KiB
Bash
39 lines
1.2 KiB
Bash
source common.sh
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clearManifests
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mkdir -p $TEST_ROOT/cache2 $TEST_ROOT/patches
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RESULT=$TEST_ROOT/result
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# Build version 1 and 2 of the "foo" package.
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$NIX_BIN_DIR/nix-push --copy $TEST_ROOT/cache2 $TEST_ROOT/manifest1 \
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$($nixbuild -o $RESULT binary-patching.nix --arg version 1)
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out2=$($nixbuild -o $RESULT binary-patching.nix --arg version 2)
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$NIX_BIN_DIR/nix-push --copy $TEST_ROOT/cache2 $TEST_ROOT/manifest2 $out2
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rm $RESULT
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# Generate a binary patch.
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$NIX_BIN_DIR/generate-patches.pl $TEST_ROOT/cache2 $TEST_ROOT/patches \
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file://$TEST_ROOT/patches $TEST_ROOT/manifest1 $TEST_ROOT/manifest2
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grep -q "patch {" $TEST_ROOT/manifest2
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# Get rid of version 2.
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$nixstore --delete $out2
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! test -e $out2
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# Pull the manifest containing the patch.
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clearManifests
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$NIX_BIN_DIR/nix-pull file://$TEST_ROOT/manifest2
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# To make sure that we're using the patch, delete the full NARs.
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rm -f $TEST_ROOT/cache2/*
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# Make sure that the download size prediction uses the patch rather
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# than the full download.
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$nixbuild -o $RESULT binary-patching.nix --arg version 2 --dry-run 2>&1 | grep -q "0.01 MiB"
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# Now rebuild it. This should use the patch generated above.
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$nixbuild -o $RESULT binary-patching.nix --arg version 2
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