pkgs/development/libraries/qt-5/hooks/wrap-qt-apps-hook.sh

   1 if [[ -z "${__nix_wrapQtAppsHook-}" ]]; then
   2 __nix_wrapQtAppsHook=1  # Don't run this hook more than once.
   3
   4 # Inherit arguments given in mkDerivation
   5 qtWrapperArgs=( ${qtWrapperArgs-} )
   6
   7 qtHostPathSeen=()
   8
   9 qtUnseenHostPath() {
  10     for pkg in "${qtHostPathSeen[@]}"
  11     do
  12         if [ "${pkg:?}" == "$1" ]
  13         then
  14             return 1
  15         fi
  16     done
  17
  18     qtHostPathSeen+=("$1")
  19     return 0
  20 }
  21
  22 qtHostPathHook() {
  23     qtUnseenHostPath "$1" || return 0
  24
  25     local pluginDir="$1/${qtPluginPrefix:?}"
  26     if [ -d "$pluginDir" ]
  27     then
  28         qtWrapperArgs+=(--prefix QT_PLUGIN_PATH : "$pluginDir")
  29     fi
  30
  31     local qmlDir="$1/${qtQmlPrefix:?}"
  32     if [ -d "$qmlDir" ]
  33     then
  34         qtWrapperArgs+=(--prefix QML2_IMPORT_PATH : "$qmlDir")
  35     fi
  36 }
  37 addEnvHooks "$hostOffset" qtHostPathHook
  38
  39 makeQtWrapper() {
  40     local original="$1"
  41     local wrapper="$2"
  42     shift 2
  43     makeWrapper "$original" "$wrapper" "${qtWrapperArgs[@]}" "$@"
  44 }
  45
  46 wrapQtApp() {
  47     local program="$1"
  48     shift 1
  49     wrapProgram "$program" "${qtWrapperArgs[@]}" "$@"
  50 }
  51
  52 qtOwnPathsHook() {
  53     local xdgDataDir="${!outputBin}/share"
  54     if [ -d "$xdgDataDir" ]
  55     then
  56         qtWrapperArgs+=(--prefix XDG_DATA_DIRS : "$xdgDataDir")
  57     fi
  58
  59     local xdgConfigDir="${!outputBin}/etc/xdg"
  60     if [ -d "$xdgConfigDir" ]
  61     then
  62         qtWrapperArgs+=(--prefix XDG_CONFIG_DIRS : "$xdgConfigDir")
  63     fi
  64
  65     qtHostPathHook "${!outputBin}"
  66 }
  67
  68 preFixupPhases+=" qtOwnPathsHook"
  69
  70 # Note: $qtWrapperArgs still gets defined even if ${dontWrapQtApps-} is set.
  71 wrapQtAppsHook() {
  72     # skip this hook when requested
  73     [ -z "${dontWrapQtApps-}" ] || return 0
  74
  75     # guard against running multiple times (e.g. due to propagation)
  76     [ -z "$wrapQtAppsHookHasRun" ] || return 0
  77     wrapQtAppsHookHasRun=1
  78
  79     local targetDirs=( "$prefix/bin" "$prefix/sbin" "$prefix/libexec"  )
  80     echo "wrapping Qt applications in ${targetDirs[@]}"
  81
  82     for targetDir in "${targetDirs[@]}"
  83     do
  84         [ -d "$targetDir" ] || continue
  85
  86         find "$targetDir" ! -type d -executable -print0 | while IFS= read -r -d '' file
  87         do
  88             patchelf --print-interpreter "$file" >/dev/null 2>&1 || continue
  89
  90             if [ -f "$file" ]
  91             then
  92                 echo "wrapping $file"
  93                 wrapQtApp "$file"
  94             elif [ -h "$file" ]
  95             then
  96                 target="$(readlink -e "$file")"
  97                 echo "wrapping $file -> $target"
  98                 rm "$file"
  99                 makeQtWrapper "$target" "$file"
 100             fi
 101         done
 102     done
 103 }
 104
 105 fixupOutputHooks+=(wrapQtAppsHook)
 106
 107 fi