build/rails-package-scripts/step2.sh

   1 #!/bin/sh
   2 # This code runs after package variable definitions, before the actual
   3 # pre/post package work, to set some variable and function defaults.
   4
   5 if [ -z "$INSTALL_PATH" ]; then
   6     cat >&2 <<EOF
   7
   8 PACKAGE BUILD ERROR: $0 is missing package metadata.
   9
  10 This package is buggy.  Please mail <support@curoverse.com> to let
  11 us know the name and version number of the package you tried to
  12 install, and we'll get it fixed.
  13
  14 EOF
  15     exit 3
  16 fi
  17
  18 RELEASE_PATH=$INSTALL_PATH/current
  19 RELEASE_CONFIG_PATH=$RELEASE_PATH/config
  20 SHARED_PATH=$INSTALL_PATH/shared
  21
  22 RAILSPKG_SUPPORTS_CONFIG_CHECK=${RAILSPKG_SUPPORTS_CONFIG_CHECK:-1}
  23 if ! type setup_extra_conffiles >/dev/null 2>&1; then
  24     setup_extra_conffiles() { return; }
  25 fi
  26 if ! type setup_before_nginx_restart >/dev/null 2>&1; then
  27     setup_before_nginx_restart() { return; }
  28 fi
  29
  30 if [ -e /run/systemd/system ]; then
  31     USING_SYSTEMD=1
  32 else
  33     USING_SYSTEMD=0
  34 fi
  35
  36 if which service >/dev/null 2>&1; then
  37     USING_SERVICE=1
  38 else
  39     USING_SERVICE=0
  40 fi
  41
  42 guess_service_manager() {
  43     if [ 1 = "$USING_SYSTEMD" ]; then
  44         echo systemd
  45     elif [ 1 = "$USING_SERVICE" ]; then
  46         echo service
  47     else
  48         return 1
  49     fi
  50 }
  51
  52 list_services_systemd() {
  53     test 1 = "$USING_SYSTEMD" || return
  54     # Print only service names, without the `.service` suffix.
  55     systemctl list-unit-files '*.service' \
  56         | awk '($1 ~ /\.service/){print substr($1, 1, length($1) - 8)}'
  57 }
  58
  59 list_services_service() {
  60     test 1 = "$USING_SERVICE" || return
  61     # Output is completely different across Debian and Red Hat.
  62     # We can't really parse it.
  63     service --status-all 2>/dev/null
  64 }
  65
  66 service_command() {
  67     local service_manager="$1"; shift
  68     local command="$1"; shift
  69     local service="$1"; shift
  70     case "$service_manager" in
  71         systemd) systemctl "$command" "$service" ;;
  72         service) service "$service" "$command" ;;
  73     esac
  74 }
  75
  76 if ! guess_service_manager >/dev/null; then
  77     echo "WARNING: Unsupported init system. Can't manage web service." >&2
  78 fi