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https://github.com/privatevoid-net/nix-super.git
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0008b0006d
if they belong a path that's currently being built. This gets rid of some Cygwin-specific code.
58 lines
1.5 KiB
Bash
58 lines
1.5 KiB
Bash
source common.sh
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$NIX_BIN_DIR/nix-collect-garbage -vvvvv
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drvPath1=$($nixinstantiate gc-concurrent.nix)
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outPath1=$($nixstore -q $drvPath1)
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drvPath2=$($nixinstantiate gc-concurrent2.nix)
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outPath2=$($nixstore -q $drvPath2)
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drvPath3=$($nixinstantiate simple.nix)
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outPath3=$($nixstore -r $drvPath3)
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! test -e $outPath3.lock
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touch $outPath3.lock
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rm -f "$NIX_STATE_DIR"/gcroots/foo*
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ln -s $drvPath2 "$NIX_STATE_DIR"/gcroots/foo
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ln -s $outPath3 "$NIX_STATE_DIR"/gcroots/foo2
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# Start build #1 in the background. It starts immediately.
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$nixstore -rvv "$drvPath1" &
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pid1=$!
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# Start build #2 in the background after 6 seconds.
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(sleep 6 && $nixstore -rvv "$drvPath2") &
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pid2=$!
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# Run the garbage collector while the build is running.
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sleep 4
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$NIX_BIN_DIR/nix-collect-garbage -vvvvv
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# Wait for build #1/#2 to finish.
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echo waiting for pid $pid1 to finish...
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wait $pid1
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echo waiting for pid $pid2 to finish...
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wait $pid2
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# Check that the root of build #1 and its dependencies haven't been
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# deleted. The should not be deleted by the GC because they were
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# being built during the GC.
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cat $outPath1/foobar
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cat $outPath1/input-2/bar
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# Check that build #2 has succeeded. It should succeed because the
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# derivation is a GC root.
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cat $outPath2/foobar
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rm -f "$NIX_STATE_DIR"/gcroots/foo*
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# The collector should have deleted lock files for paths that have
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# been built previously.
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! test -e $outPath3.lock
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# If we run the collector now, it should delete outPath1/2.
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$NIX_BIN_DIR/nix-collect-garbage -vvvvv
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! test -e $outPath1
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! test -e $outPath2
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