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             case "${1:-}" in
  55                 -h|--help)
  56                     exit 0
  57                     ;;
  58                 *)
  59                     exit 1
  60                     ;;
  61             esac
  62     esac
  63 done
  64
  65 debuglog() {
  66     if [ $DEBUG -eq 1 ]; then
  67         cat >&2
  68     else
  69         cat > /dev/null
  70     fi
  71 }
  72
  73 nixev() {
  74     nix-instantiate --eval --strict -E "$1"
  75 }
  76
  77 desc_system() {
  78     nixev 'builtins.currentSystem'
  79 }
  80
  81 desc_host_os() {
  82     printf "%s" "$(uname -sr)"
  83
  84     if [ "$IS_DARWIN" = "yes" ]; then
  85         printf ", macOS %s" "$(sw_vers -productVersion)"
  86     fi
  87
  88     if [ -f /etc/os-release ]; then
  89         (
  90             # shellcheck disable=SC1091
  91             . /etc/os-release
  92             printf ", %s, %s, %s" "${NAME:-$(uname -v)}" "${VERSION:-noversion}" "${BUILD_ID:-nobuild}"
  93         )
  94     fi
  95 }
  96
  97 desc_multi_user() {
  98     if nix-build --no-out-link  @multiusertest@ 2>&1 | debuglog; then
  99         printf "yes"
 100     else
 101         printf "no"
 102     fi
 103 }
 104
 105 desc_nixpkgs_path() {
 106     nixev '<nixpkgs>' 2>/dev/null || echo "not found"
 107 }
 108
 109 channel_facts() {
 110     find /nix/var/nix/profiles/per-user \
 111          -mindepth 2 \
 112          -maxdepth 2 \
 113          -name channels \
 114          -print0 \
 115     |\
 116     while  IFS= read -r -d '' userchannelset; do
 117         manifest="$userchannelset/manifest.nix"
 118
 119         if [ -e "$manifest" ]; then
 120             userchannels=$(nixev \
 121                            "builtins.concatStringsSep \", \"
 122                              (map (ch: ch.name)
 123                                (import \"$manifest\"))")
 124
 125             fact "channels($(echo "$manifest" | cut -d/ -f7))" \
 126                  "$userchannels"
 127         fi
 128     done
 129 }
 130
 131 desc_sandbox() {
 132     if nix-build --no-out-link @sandboxtest@ 2>&1 | debuglog; then
 133         printf "no"
 134     elif nix-build --no-out-link @relaxedsandboxtest@ 2>&1 | debuglog; then
 135         printf "relaxed"
 136     else
 137         printf "yes"
 138     fi
 139 }
 140
 141 fact() {
 142     name="${1:-0}"
 143     value="${2:-0}"
 144     last="${3:-1}"
 145     if [ $MARKDOWN -eq 0 ]; then
 146         printf "%s: %s" "$name" "$value"
 147         if [ "$last" -eq 1 ]; then
 148             printf ", "
 149         fi
 150     else
 151         printf " - %s: \`%s\`\\n" "$name" "$value"
 152     fi
 153
 154     if [ "$last" -eq 0 ]; then
 155         echo ""
 156     fi
 157 }
 158
 159 last_fact() {
 160     fact "$1" "$2" 0
 161 }
 162
 163 fact "system" "$(desc_system)"
 164 if [ $HOST_OS -eq 1 ]; then
 165     fact "host os" "$(desc_host_os)"
 166 fi
 167 fact "multi-user?" "$(desc_multi_user)"
 168 if [ $SANDBOX -eq 1 ]; then
 169     fact "sandbox" "$(desc_sandbox)"
 170 fi
 171
 172 fact "version" "$(nix-env --version)"
 173 channel_facts
 174 last_fact "nixpkgs" "$(desc_nixpkgs_path)"