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https://github.com/NixOS/nixpkgs.git
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nixos-build-vms: pass --option
to nix-build
Also simplified the argument parsing to write all currently supported CLI options into a bash array and pass this to `nix-build`. Also documented `--option` usage in the corresponding manpage.
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@ -24,8 +24,14 @@
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<arg>
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<option>--help</option>
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</arg>
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</arg>
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<arg>
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<option>--option</option>
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<replaceable>name</replaceable>
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<replaceable>value</replaceable>
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</arg>
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<arg choice="plain">
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<replaceable>network.nix</replaceable>
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</arg>
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@ -115,6 +121,18 @@
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--option</option> <replaceable>name</replaceable> <replaceable>value</replaceable>
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</term>
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<listitem>
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<para>Set the Nix configuration option
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<replaceable>name</replaceable> to <replaceable>value</replaceable>.
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This overrides settings in the Nix configuration file (see
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<citerefentry><refentrytitle>nix.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsection>
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</refentry>
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@ -9,49 +9,44 @@ showUsage() {
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# Parse valid argument options
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PARAMS=`getopt -n $0 -o h -l no-out-link,show-trace,help -- "$@"`
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nixBuildArgs=()
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networkExpr=
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if [ $? != 0 ]
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then
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showUsage
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exit 1
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fi
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eval set -- "$PARAMS"
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# Evaluate valid options
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while [ "$1" != "--" ]
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do
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while [ $# -gt 0 ]; do
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case "$1" in
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--no-out-link)
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noOutLinkArg="--no-out-link"
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;;
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--show-trace)
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showTraceArg="--show-trace"
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;;
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-h|--help)
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showUsage
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exit 0
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;;
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--no-out-link)
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nixBuildArgs+=("--no-out-link")
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;;
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--show-trace)
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nixBuildArgs+=("--show-trace")
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;;
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-h|--help)
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showUsage
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exit 0
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;;
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--option)
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shift
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nixBuildArgs+=("--option" "$1" "$2"); shift
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;;
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*)
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if [ ! -z "$networkExpr" ]; then
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echo "Network expression already set!"
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showUsage
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exit 1
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fi
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networkExpr="$(readlink -f $1)"
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;;
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esac
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shift
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done
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shift
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# Validate the given options
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if [ "$1" = "" ]
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if [ -z "$networkExpr" ]
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then
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echo "ERROR: A network expression must be specified!" >&2
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exit 1
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else
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networkExpr=$(readlink -f $1)
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fi
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# Build a network of VMs
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nix-build '<nixpkgs/nixos/modules/installer/tools/nixos-build-vms/build-vms.nix>' \
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--argstr networkExpr $networkExpr $noOutLinkArg $showTraceArg
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--argstr networkExpr $networkExpr "${nixBuildArgs[@]}"
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