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deterministic-uname: init
for reproducibility deterministic-uname: dont hardcode OPERATING_SYSTEM_VAL to GNU/Linux
This commit is contained in:
Artturin
parent
03e0baa214
commit
96ebc83053
54
pkgs/build-support/deterministic-uname/default.nix
Normal file
54
pkgs/build-support/deterministic-uname/default.nix
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@ -0,0 +1,54 @@
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# expr and script based on our lsb_release
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{ stdenv
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, lib
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, substituteAll
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, coreutils
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, getopt
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, modDirVersion ? ""
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}:
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substituteAll {
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name = "uname";
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src = ./deterministic-uname.sh;
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dir = "bin";
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isExecutable = true;
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inherit coreutils getopt;
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uSystem = if stdenv.buildPlatform.uname.system != null then stdenv.buildPlatform.uname.system else "unknown";
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inherit (stdenv.buildPlatform.uname) processor;
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# uname -o
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# maybe add to lib/systems/default.nix uname attrset
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# https://github.com/coreutils/coreutils/blob/7fc84d1c0f6b35231b0b4577b70aaa26bf548a7c/src/uname.c#L373-L374
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# https://stackoverflow.com/questions/61711186/where-does-host-operating-system-in-uname-c-comes-from
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# https://github.com/coreutils/gnulib/blob/master/m4/host-os.m4
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operatingSystem =
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if stdenv.buildPlatform.isLinux
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then "GNU/Linux"
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else if stdenv.buildPlatform.isDarwin
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then "Darwin" # darwin isn't in host-os.m4 so where does this come from?
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else "unknown";
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# in os-specific/linux module packages
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# --replace '$(shell uname -r)' "${kernel.modDirVersion}" \
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# is a common thing to do.
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modDirVersion = if modDirVersion != "" then modDirVersion else "unknown";
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meta = with lib; {
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description = "Print certain system information (hardcoded with <nixpkgs/lib/system> values)";
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longDescription = ''
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This package provides a replacement for `uname` whose output depends only
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on `stdenv.buildPlatform`. It is meant to be used from within derivations.
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Many packages' build processes run `uname` at compile time and embed its
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output into the result of the build. Since `uname` calls into the kernel,
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and the Nix sandbox currently does not intercept these calls, builds made
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on different kernels will produce different results.
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'';
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license = [ licenses.mit ];
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maintainers = with maintainers; [ artturin ];
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platforms = platforms.all;
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};
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}
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175
pkgs/build-support/deterministic-uname/deterministic-uname.sh
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175
pkgs/build-support/deterministic-uname/deterministic-uname.sh
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@ -0,0 +1,175 @@
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#! @shell@
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set -o errexit
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set -o nounset
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show_help() {
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@coreutils@/bin/cat << EOF
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Usage: uname [OPTION]...
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Print certain system information. With no OPTION, same as -s.
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-a, --all print all information, in the following order,
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except omit -p and -i if unknown:
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-s, --kernel-name print the kernel name
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-n, --nodename print the network node hostname
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-r, --kernel-release print the kernel release
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-v, --kernel-version print the kernel version
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-m, --machine print the machine hardware name
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-p, --processor print the processor type (non-portable)
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-i, --hardware-platform print the hardware platform (non-portable)
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-o, --operating-system print the operating system
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--help display this help and exit
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--version output version information and exit
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EOF
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exit 0
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}
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# Potential command-line options.
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version=0
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all=0
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kernel_name=0
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nodename=0
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kernel_release=0
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kernel_version=0
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machine=0
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processor=0
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hardware_platform=0
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operating_system=0
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@getopt@/bin/getopt --test > /dev/null && rc=$? || rc=$?
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if [[ $rc -ne 4 ]]; then
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# This shouldn't happen.
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echo "Warning: Enhanced getopt not supported, please open an issue in nixpkgs." >&2
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else
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# Define all short and long options.
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SHORT=hvsnrvmpioa
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LONG=help,version,kernel-name,nodename,kernel-release,kernel-version,machine,processor,hardware-platform,operating-system,all
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# Parse all options.
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PARSED=`@getopt@/bin/getopt --options $SHORT --longoptions $LONG --name "$0" -- "$@"`
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eval set -- "$PARSED"
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fi
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# With no OPTION, same as -s.
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if [[ $# -eq 0 ]]; then
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kernel_name=1
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fi
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# Process each argument, and set the appropriate flag if we recognize it.
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while [[ $# -ge 1 ]]; do
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case "$1" in
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--version)
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version=1
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;;
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-s|--kernel-name)
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kernel_name=1
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;;
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-n|--nodename)
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nodename=1
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;;
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-r|--kernel-release)
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kernel_release=1
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;;
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-v|--kernel-version)
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kernel_version=1
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;;
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-m|--machine)
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machine=1
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;;
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-p|--processor)
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processor=1
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;;
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-i|--hardware-platform)
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hardware_platform=1
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;;
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-o|--operating-system)
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operating_system=1
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;;
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-a|--all)
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all=1
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;;
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--help)
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show_help
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;;
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--)
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shift
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break
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;;
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*)
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echo "uname: unrecognized option '$1'"
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echo "Type 'uname --help' for a list of available options."
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exit 1
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;;
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esac
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shift
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done
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KERNEL_NAME_VAL=@uSystem@
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NODENAME_VAL=nixpkgs
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KERNEL_RELEASE_VAL=@modDirVersion@
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# #1-NixOS SMP PREEMPT_DYNAMIC Wed Dec 14 10:41:06 UTC 2022
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KERNEL_VERSION_VAL="#1-NixOS Tue Jan 1 00:00:00 UTC 1980"
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MACHINE_VAL=@processor@
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PROCESSOR_VAL=unknown
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HARDWARE_PLATFORM_VAL=unknown
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OPERATING_SYSTEM_VAL=@operatingSystem@
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if [[ "$version" = "1" ]]; then
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# in case some script greps for GNU coreutils.
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echo "uname (GNU coreutils) 9.1"
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echo "Nixpkgs deterministic-uname"
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exit
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fi
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# output of the real uname from GNU coreutils
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# Darwin:
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# Darwin *nodename* 22.1.0 Darwin Kernel Version 22.1.0: Sun Oct 9 20:14:30 PDT 2022; root:xnu-8792.41.9~2/RELEASE_ARM64_T8103 arm64 arm Darwin
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# NixOS:
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# Linux *nodename* 6.0.13 #1-NixOS SMP PREEMPT_DYNAMIC Wed Dec 14 10:41:06 UTC 2022 x86_64 GNU/Linux
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if [[ "$all" = "1" ]]; then
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echo -n "$KERNEL_NAME_VAL $NODENAME_VAL $KERNEL_RELEASE_VAL $KERNEL_VERSION_VAL $MACHINE_VAL"
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# in help: except omit -p and -i if unknown.
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#echo -n "$PROCESSOR_VAL $HARDWARE_PLATFORM_VAL\n"
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echo -n "$OPERATING_SYSTEM_VAL"
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fi
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if [[ "$kernel_name" = "1" ]]; then
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echo -n "$KERNEL_NAME_VAL"
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fi
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if [[ "$nodename" = "1" ]]; then
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echo -n "$NODENAME_VAL"
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fi
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if [[ "$kernel_release" = "1" ]]; then
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echo -n "$KERNEL_RELEASE_VAL"
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fi
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if [[ "$kernel_version" = "1" ]]; then
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echo -n "$KERNEL_VERSION_VAL"
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fi
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if [[ "$machine" = "1" ]]; then
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echo -n "$MACHINE_VAL"
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fi
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if [[ "$processor" = "1" ]]; then
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echo -n "$PROCESSOR_VAL"
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fi
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if [[ "$hardware_platform" = "1" ]]; then
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echo -n "$HARDWARE_PLATFORM_VAL"
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fi
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if [[ "$operating_system" = "1" ]]; then
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echo -n "$OPERATING_SYSTEM_VAL"
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fi
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# for newline.
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echo
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@ -32,7 +32,7 @@ short=0
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@getopt@/bin/getopt --test > /dev/null && rc=$? || rc=$?
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if [[ $rc -ne 4 ]]; then
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# This shouldn't happen.
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echo "Warning: Enhanced getopt not supported, please open an issue." >&2
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echo "Warning: Enhanced getopt not supported, please open an issue in nixpkgs." >&2
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else
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# Define all short and long options.
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SHORT=hvidrcas
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@ -2984,6 +2984,8 @@ with pkgs;
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detect-secrets = with python3Packages; toPythonApplication detect-secrets;
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deterministic-uname = callPackage ../build-support/deterministic-uname { };
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dfmt = callPackage ../tools/text/dfmt { };
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diopser = callPackage ../applications/audio/diopser { stdenv = gcc10StdenvCompat; };
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