![Eelco Dolstra](/assets/img/avatar_default.png)
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'.
70 lines
1.3 KiB
Plaintext
70 lines
1.3 KiB
Plaintext
#! @shell@ -e
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nixExpr=$1
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extraArgs=
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addDrvLink=0
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addOutLink=1
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trap 'rm -f ./.nix-build-tmp-*' EXIT
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# Process the arguments.
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exprs=
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for i in "$@"; do
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case "$i" in
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--help)
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echo "syntax: $0 [NIX-EXPR...]" >&2
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exit 0
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;;
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--add-drv-link)
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addDrvLink=1
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;;
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--no-link)
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addOutLink=0
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;;
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-*)
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extraArgs="$extraArgs $i"
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;;
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*)
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exprs="$exprs $i"
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;;
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esac
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done
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if test -z "$exprs"; then
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exprs="./default.nix"
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fi
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# Process the specified Nix expressions.
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for i in $exprs; do
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# Instantiate the Nix expression.
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prefix=
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if test "$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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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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# 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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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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