forked from lix-project/lix
* nix-build: default to `./default.nix' if no paths are specified.
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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@ -25,6 +25,10 @@ to multiple derivations, multiple sequentially numbered symlinks are
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created (<filename>result</filename>, <filename>result-2</filename>,
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and so on).</para>
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<para>If no <replaceable>paths</replaceable> are specified, then
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<command>nix-build</command> will use <filename>default.nix</filename>
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in the current directory, if it exists.</para>
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<note><para><command>nix-build</command> is essentially a wrapper
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around <link
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linkend="sec-nix-instantiate"><command>nix-instantiate</command></link>
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@ -176,7 +176,7 @@ set.</para></footnote></para>
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<sect1 id="sec-profiles"><title>Profiles</title>
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<para>Profiles and user environments are Nix’s mechanism for
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implementing the ability to allow differens users to have different
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implementing the ability to allow different users to have different
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configurations, and to do atomic upgrades and rollbacks. To
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understand how they work, it’s useful to know a bit about how Nix
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works. In Nix, components are stored in unique locations in the
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@ -2,11 +2,6 @@
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nixExpr=$1
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if test -z "$nixExpr"; then
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echo "syntax: $0 NIX-EXPR..." >&2
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exit 1
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fi
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extraArgs=
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addDrvLink=0
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addOutLink=1
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@ -16,9 +11,15 @@ trap 'rm -f ./.nix-build-tmp-*' EXIT
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# Process the arguments.
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exprs=
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for i in "$@"; do
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case "$i" in
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--help)
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echo "syntax: $0 [NIX-EXPR...]" >&2
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exit 0
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;;
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--add-drv-link)
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addDrvLink=1
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;;
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@ -32,6 +33,18 @@ for i in "$@"; do
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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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@ -53,7 +66,4 @@ for i in "$@"; do
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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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;;
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esac
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done
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