forked from lix-project/lix
c505702265
though). In particular it's now much easier to register a GC root. Just place a symlink to whatever store path it is that you want to keep in /nix/var/nix/gcroots.
42 lines
980 B
Plaintext
42 lines
980 B
Plaintext
#! @shell@ -e
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nixExpr=$1
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if test -z "$nixExpr"; then
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echo "syntax: $0 NIX-EXPR..." >&2
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exit 1
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fi
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extraArgs=
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noLink=
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for i in "$@"; do
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case "$i" in
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--no-link)
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noLink=1
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;;
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-*)
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extraArgs="$extraArgs $i"
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;;
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*)
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storeExprs=$(@bindir@/nix-instantiate "$i")
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for j in $storeExprs; do
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echo "store expression is $j" >&2
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done
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outPaths=$(@bindir@/nix-store -rv $extraArgs $storeExprs)
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for j in $outPaths; do
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echo "$j"
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if test -z "$noLink"; then
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if test -L result; then
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rm result
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elif test -e result; then
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echo "cannot remove \`result' (not a symlink)"
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exit 1
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fi
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ln -s "$j" result
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fi
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done
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;;
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esac
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done
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