30 lines
		
	
	
	
		
			976 B
		
	
	
	
		
			Bash
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
	
		
			976 B
		
	
	
	
		
			Bash
		
	
	
	
	
	
| # Instantiate.
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| storeExpr=$($TOP/src/nix-instantiate/nix-instantiate substitutes.nix)
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| echo "store expr is $storeExpr"
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| 
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| # Find the output path.
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| outPath=$($TOP/src/nix-store/nix-store -qvvvvv "$storeExpr")
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| echo "output path is $outPath"
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| 
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| # Build the substitute program.
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| subProgram=$($TOP/src/nix-store/nix-store -qnf \
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|     $($TOP/src/nix-instantiate/nix-instantiate substituter.nix))/substituter
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| echo "substitute program is $subProgram"
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| 
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| regSub() {
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|     (echo $1 && echo $2 && echo 3 && echo $outPath && echo Hallo && echo Wereld) | $TOP/src/nix-store/nix-store --substitute
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| }
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| 
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| # Register a fake successor, and a substitute for it.
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| suc=$NIX_STORE_DIR/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-s.store
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| regSub $suc $subProgram
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| $TOP/src/nix-store/nix-store --successor $storeExpr $suc
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| 
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| # Register a substitute for the output path.
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| regSub $outPath $subProgram
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| 
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| 
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| $TOP/src/nix-store/nix-store -rvvvvv "$storeExpr"
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| 
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| text=$(cat "$outPath"/hello)
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| if test "$text" != "Hallo Wereld"; then exit 1; fi
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