pkgs/by-name/de/deterministic-uname/deterministic-uname.sh

   1 #! @shell@
   2
   3 set -o errexit
   4 set -o nounset
   5
   6 show_help() {
   7   @coreutils@/bin/cat << EOF
   8 Usage: uname [OPTION]...
   9 Print certain system information.  With no OPTION, same as -s.
  10
  11   -a, --all                print all information, in the following order,
  12                              except omit -p and -i if unknown:
  13   -s, --kernel-name        print the kernel name
  14   -n, --nodename           print the network node hostname
  15   -r, --kernel-release     print the kernel release
  16   -v, --kernel-version     print the kernel version
  17   -m, --machine            print the machine hardware name
  18   -p, --processor          print the processor type (non-portable)
  19   -i, --hardware-platform  print the hardware platform (non-portable)
  20   -o, --operating-system   print the operating system
  21       --help        display this help and exit
  22       --version     output version information and exit
  23 EOF
  24   exit 0
  25 }
  26
  27 # Potential command-line options.
  28 version=0
  29 all=0
  30
  31
  32 kernel_name=0
  33 nodename=0
  34 kernel_release=0
  35 kernel_version=0
  36 machine=0
  37 processor=0
  38 hardware_platform=0
  39 operating_system=0
  40
  41 # With no OPTION, same as -s.
  42 if [[ $# -eq 0 ]]; then
  43     kernel_name=1
  44 fi
  45
  46 @getopt@/bin/getopt --test > /dev/null && rc=$? || rc=$?
  47 if [[ $rc -ne 4 ]]; then
  48   # This shouldn't happen.
  49   echo "Warning: Enhanced getopt not supported, please open an issue in nixpkgs." >&2
  50 else
  51   # Define all short and long options.
  52   SHORT=hvsnrvmpioa
  53   LONG=help,version,kernel-name,nodename,kernel-release,kernel-version,machine,processor,hardware-platform,operating-system,all
  54
  55   # Parse all options.
  56   PARSED=`@getopt@/bin/getopt --options $SHORT --longoptions $LONG --name "$0" -- "$@"`
  57
  58   eval set -- "$PARSED"
  59 fi
  60
  61 # Process each argument, and set the appropriate flag if we recognize it.
  62 while [[ $# -ge 1 ]]; do
  63   case "$1" in
  64     --version)
  65       version=1
  66       ;;
  67     -s|--kernel-name)
  68       kernel_name=1
  69       ;;
  70     -n|--nodename)
  71       nodename=1
  72       ;;
  73     -r|--kernel-release)
  74       kernel_release=1
  75       ;;
  76     -v|--kernel-version)
  77       kernel_version=1
  78       ;;
  79     -m|--machine)
  80       machine=1
  81       ;;
  82     -p|--processor)
  83       processor=1
  84       ;;
  85     -i|--hardware-platform)
  86       hardware_platform=1
  87       ;;
  88     -o|--operating-system)
  89       operating_system=1
  90       ;;
  91     -a|--all)
  92       all=1
  93       ;;
  94     --help)
  95       show_help
  96       ;;
  97     --)
  98       shift
  99       break
 100       ;;
 101     *)
 102       echo "uname: unrecognized option '$1'"
 103       echo "Type 'uname --help' for a list of available options."
 104       exit 1
 105       ;;
 106   esac
 107   shift
 108 done
 109
 110
 111 KERNEL_NAME_VAL=@uSystem@
 112 NODENAME_VAL=nixpkgs
 113 KERNEL_RELEASE_VAL=@modDirVersion@
 114 # #1-NixOS SMP PREEMPT_DYNAMIC Wed Dec 14 10:41:06 UTC 2022
 115 KERNEL_VERSION_VAL="#1-NixOS Tue Jan 1 00:00:00 UTC 1980"
 116 MACHINE_VAL=@processor@
 117 PROCESSOR_VAL=unknown
 118 HARDWARE_PLATFORM_VAL=unknown
 119 OPERATING_SYSTEM_VAL=@operatingSystem@
 120
 121
 122 if [[ "$version" = "1" ]]; then
 123     # in case some script greps for GNU coreutils.
 124     echo "uname (GNU coreutils) 9.1"
 125     echo "Nixpkgs deterministic-uname"
 126     exit
 127 fi
 128
 129 # output of the real uname from GNU coreutils
 130 # Darwin:
 131 #  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
 132 # NixOS:
 133 #  Linux *nodename* 6.0.13 #1-NixOS SMP PREEMPT_DYNAMIC Wed Dec 14 10:41:06 UTC 2022 x86_64 GNU/Linux
 134 # FreeBSD:
 135 #  FreeBSD *nodename* 14.0-RELEASE FreeBSD 14.0-RELEASE #0 releng/14.0-n265380-f9716eee8ab4: Fri Nov 10 05:57:23 UTC 2023     root@releng1.nyi.freebsd.org:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 amd64 AMD Ryzen 9 5950X 16-Core Processor             FreeBSD
 136 output=()
 137 if [[ "$all" = "1" ]]; then
 138     output+=("$KERNEL_NAME_VAL" "$NODENAME_VAL" "$KERNEL_RELEASE_VAL" "$KERNEL_VERSION_VAL" "$MACHINE_VAL")
 139     # in help:  except omit -p and -i if unknown.
 140     # output+=($PROCESSOR_VAL $HARDWARE_PLATFORM_VAL)
 141     output+=("$OPERATING_SYSTEM_VAL")
 142 fi
 143
 144 if [[ "$kernel_name" = "1" ]]; then
 145     output+=("$KERNEL_NAME_VAL")
 146 fi
 147
 148 if [[ "$nodename" = "1" ]]; then
 149     output+=("$NODENAME_VAL")
 150 fi
 151
 152 if [[ "$kernel_release" = "1" ]]; then
 153     output+=("$KERNEL_RELEASE_VAL")
 154 fi
 155
 156 if [[ "$kernel_version" = "1" ]]; then
 157     output+=("$KERNEL_VERSION_VAL")
 158 fi
 159
 160 if [[ "$machine" = "1" ]]; then
 161     output+=("$MACHINE_VAL")
 162 fi
 163
 164 if [[ "$processor" = "1" ]]; then
 165     output+=("$PROCESSOR_VAL")
 166 fi
 167
 168 if [[ "$hardware_platform" = "1" ]]; then
 169     output+=("$HARDWARE_PLATFORM_VAL")
 170 fi
 171
 172 if [[ "$operating_system" = "1" ]]; then
 173     output+=("$OPERATING_SYSTEM_VAL")
 174 fi
 175
 176 echo "${output[@]}"