nixpkgs/pkgs/development/libraries/qt-5/hooks/wrap-qt-apps-hook.sh
2021-01-25 15:56:15 -06:00

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if [[ -z "${__nix_wrapQtAppsHook-}" ]]; then
__nix_wrapQtAppsHook=1 # Don't run this hook more than once.
# Inherit arguments given in mkDerivation
qtWrapperArgs=( ${qtWrapperArgs-} )
qtHostPathSeen=()
qtUnseenHostPath() {
for pkg in "${qtHostPathSeen[@]}"
do
if [ "${pkg:?}" == "$1" ]
then
return 1
fi
done
qtHostPathSeen+=("$1")
return 0
}
qtHostPathHook() {
qtUnseenHostPath "$1" || return 0
local pluginDir="$1/${qtPluginPrefix:?}"
if [ -d "$pluginDir" ]
then
qtWrapperArgs+=(--prefix QT_PLUGIN_PATH : "$pluginDir")
fi
local qmlDir="$1/${qtQmlPrefix:?}"
if [ -d "$qmlDir" ]
then
qtWrapperArgs+=(--prefix QML2_IMPORT_PATH : "$qmlDir")
fi
}
addEnvHooks "$hostOffset" qtHostPathHook
makeQtWrapper() {
local original="$1"
local wrapper="$2"
shift 2
makeWrapper "$original" "$wrapper" "${qtWrapperArgs[@]}" "$@"
}
wrapQtApp() {
local program="$1"
shift 1
wrapProgram "$program" "${qtWrapperArgs[@]}" "$@"
}
qtOwnPathsHook() {
local xdgDataDir="${!outputBin}/share"
if [ -d "$xdgDataDir" ]
then
qtWrapperArgs+=(--prefix XDG_DATA_DIRS : "$xdgDataDir")
fi
local xdgConfigDir="${!outputBin}/etc/xdg"
if [ -d "$xdgConfigDir" ]
then
qtWrapperArgs+=(--prefix XDG_CONFIG_DIRS : "$xdgConfigDir")
fi
qtHostPathHook "${!outputBin}"
}
preFixupPhases+=" qtOwnPathsHook"
# Note: $qtWrapperArgs still gets defined even if ${dontWrapQtApps-} is set.
wrapQtAppsHook() {
# skip this hook when requested
[ -z "${dontWrapQtApps-}" ] || return 0
# guard against running multiple times (e.g. due to propagation)
[ -z "$wrapQtAppsHookHasRun" ] || return 0
wrapQtAppsHookHasRun=1
local targetDirs=( "$prefix/bin" "$prefix/sbin" "$prefix/libexec" )
echo "wrapping Qt applications in ${targetDirs[@]}"
for targetDir in "${targetDirs[@]}"
do
[ -d "$targetDir" ] || continue
find "$targetDir" ! -type d -executable -print0 | while IFS= read -r -d '' file
do
patchelf --print-interpreter "$file" >/dev/null 2>&1 || continue
if [ -f "$file" ]
then
echo "wrapping $file"
wrapQtApp "$file"
elif [ -h "$file" ]
then
target="$(readlink -e "$file")"
echo "wrapping $file -> $target"
rm "$file"
makeQtWrapper "$target" "$file"
fi
done
done
}
fixupOutputHooks+=(wrapQtAppsHook)
fi