pkgs/tools/nix/info/info.sh

   1 #!/bin/bash
   2
   3 PATH="@path@:$PATH"
   4 IS_DARWIN="@is_darwin@"
   5
   6 set -eu
   7 set -o pipefail
   8
   9 DEBUG=0
  10 MARKDOWN=0
  11 HOST_OS=0
  12 SANDBOX=0
  13 while true; do
  14     case "${1:-}" in
  15         "")
  16             break
  17             ;;
  18         -d | --debug)
  19             set -x
  20             DEBUG=1
  21             shift
  22             ;;
  23         -m | --markdown)
  24             MARKDOWN=1
  25             HOST_OS=1
  26             SANDBOX=1
  27             shift
  28             ;;
  29         --host-os)
  30             HOST_OS=1
  31             shift
  32             ;;
  33         --sandbox)
  34             SANDBOX=1
  35             shift
  36             ;;
  37
  38         * )
  39             cat <<EOF
  40 nix-info - get high level info to help with debugging
  41
  42 Options:
  43
  44  -m, --markdown   formatting for a GitHub issue
  45                   implies: --host-os, --sandbox
  46
  47      --sandbox    include sandbox configuration
  48      --host-os    include host OS details
  49
  50  -h, --help       show this message
  51  -d, --debug      debug mode
  52
  53 EOF
  54             exit 1
  55             ;;
  56
  57     esac
  58 done
  59
  60 debuglog() {
  61     if [ $DEBUG -eq 1 ]; then
  62         cat >&2
  63     else
  64         cat > /dev/null
  65     fi
  66 }
  67
  68 nixev() {
  69     nix-instantiate --eval --strict -E "$1"
  70 }
  71
  72 desc_system() {
  73     nixev '(import <nixpkgs> {}).stdenv.hostPlatform.system'
  74 }
  75
  76 desc_host_os() {
  77     printf "%s" "$(uname -sr)"
  78
  79     if [ "$IS_DARWIN" = "yes" ]; then
  80         printf ", macOS %s" "$(sw_vers -productVersion)"
  81     fi
  82
  83     if [ -f /etc/os-release ]; then
  84         (
  85             # shellcheck disable=SC1091
  86             . /etc/os-release
  87             printf ", %s, %s, %s" "${NAME:-$(uname -v)}" "${VERSION:-noversion}" "${BUILD_ID:-nobuild}"
  88         )
  89     fi
  90 }
  91
  92 desc_multi_user() {
  93     if nix-build --no-out-link  @multiusertest@ 2>&1 | debuglog; then
  94         printf "yes"
  95     else
  96         printf "no"
  97     fi
  98 }
  99
 100 desc_nixpkgs_path() {
 101     nixev '<nixpkgs>'
 102 }
 103
 104 channel_facts() {
 105     find /nix/var/nix/profiles/per-user \
 106          -mindepth 2 \
 107          -maxdepth 2 \
 108          -name channels \
 109          -print0 \
 110     |\
 111     while  IFS= read -r -d '' userchannelset; do
 112         manifest="$userchannelset/manifest.nix"
 113
 114         if [ -e "$manifest" ]; then
 115             userchannels=$(nixev \
 116                            "builtins.concatStringsSep \", \"
 117                              (map (ch: ch.name)
 118                                (import \"$manifest\"))")
 119
 120             fact "channels($(echo "$manifest" | cut -d/ -f7))" \
 121                  "$userchannels"
 122         fi
 123     done
 124 }
 125
 126 desc_sandbox() {
 127     if nix-build --no-out-link @sandboxtest@ 2>&1 | debuglog; then
 128         printf "no"
 129     elif nix-build --no-out-link @relaxedsandboxtest@ 2>&1 | debuglog; then
 130         printf "relaxed"
 131     else
 132         printf "yes"
 133     fi
 134 }
 135
 136 fact() {
 137     name="${1:-0}"
 138     value="${2:-0}"
 139     last="${3:-1}"
 140     if [ $MARKDOWN -eq 0 ]; then
 141         printf "%s: %s" "$name" "$value"
 142         if [ "$last" -eq 1 ]; then
 143             printf ", "
 144         fi
 145     else
 146         printf " - %s: \`%s\`\\n" "$name" "$value"
 147     fi
 148
 149     if [ "$last" -eq 0 ]; then
 150         echo ""
 151     fi
 152 }
 153
 154 last_fact() {
 155     fact "$1" "$2" 0
 156 }
 157
 158 fact "system" "$(desc_system)"
 159 if [ $HOST_OS -eq 1 ]; then
 160     fact "host os" "$(desc_host_os)"
 161 fi
 162 fact "multi-user?" "$(desc_multi_user)"
 163 if [ $SANDBOX -eq 1 ]; then
 164     fact "sandbox" "$(desc_sandbox)"
 165 fi
 166
 167 fact "version" "$(nix-env --version)"
 168 channel_facts
 169 last_fact "nixpkgs" "$(desc_nixpkgs_path)"