So when using Nix as a build tool, you can just say `nix-build' and it will build the top-level derivation defined in `default.nix'.
		
			
				
	
	
		
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			1.3 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
| #! @shell@ -e
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| 
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| nixExpr=$1
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| 
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| extraArgs=
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| addDrvLink=0
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| addOutLink=1
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| 
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| 
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| trap 'rm -f ./.nix-build-tmp-*' EXIT
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| 
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| 
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| # Process the arguments.
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| exprs=
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| for i in "$@"; do
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|     case "$i" in
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| 
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|         --help)
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|             echo "syntax: $0 [NIX-EXPR...]" >&2
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|             exit 0
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|             ;;
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| 
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|         --add-drv-link)
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|             addDrvLink=1
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|             ;;
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|             
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|         --no-link)
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|             addOutLink=0
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|             ;;
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|             
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|         -*)
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|             extraArgs="$extraArgs $i"
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|             ;;
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|             
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|         *)
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|             exprs="$exprs $i"
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|             ;;
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|     esac
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| done
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| 
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| if test -z "$exprs"; then
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|     exprs="./default.nix"
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| fi
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| 
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| # Process the specified Nix expressions.
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| for i in $exprs; do
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| 
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|     # Instantiate the Nix expression.
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|     prefix=
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|     if test "$addDrvLink" = 0; then prefix=.nix-build-tmp-; fi
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|     storeExprs=$(@bindir@/nix-instantiate \
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|         --add-root ./${prefix}derivation --indirect \
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|         "$i")
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|                 
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|     for j in $storeExprs; do
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|         echo "store expression is $(readlink "$j")" >&2
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|     done
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| 
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|     # Build the resulting store derivation.
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|     prefix=
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|     if test "$addOutLink" = 0; then prefix=.nix-build-tmp-; fi
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|     outPaths=$(@bindir@/nix-store \
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|         --add-root ./${prefix}result --indirect \
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|         -rv $extraArgs $storeExprs)
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|                 
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|     for j in $outPaths; do
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|         echo "$(readlink "$j")"
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|     done
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| done            
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