15 lines
		
	
	
	
		
			613 B
		
	
	
	
		
			Bash
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
	
		
			613 B
		
	
	
	
		
			Bash
		
	
	
	
	
	
| storeExpr=$($TOP/src/nix-instantiate/nix-instantiate fallback.nix)
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| 
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| echo "store expr is $storeExpr"
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| 
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| # Register a non-existant successor (and a nox-existant substitute).
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| suc=$NIX_STORE_DIR/deadbeafdeadbeafdeadbeafdeadbeaf-s.store
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| (echo $suc && echo $NIX_STORE_DIR/ffffffffffffffffffffffffffffffff.store && echo "/bla" && echo 0) | $TOP/src/nix-store/nix-store --substitute
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| $TOP/src/nix-store/nix-store --successor $storeExpr $suc
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| 
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| outPath=$($TOP/src/nix-store/nix-store -qnf --fallback "$storeExpr")
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| 
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| echo "output path is $outPath"
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| 
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| text=$(cat "$outPath"/hello)
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| if test "$text" != "Hello World!"; then exit 1; fi
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