From db9686362ae34e02538e449e0edfe3d61065b2e9 Mon Sep 17 00:00:00 2001 From: Thomas Tuegel Date: Tue, 17 Sep 2019 05:36:25 -0500 Subject: [PATCH 09/12] qtbase-tzdir --- src/corelib/tools/qtimezoneprivate_tz.cpp | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/src/corelib/tools/qtimezoneprivate_tz.cpp b/src/corelib/tools/qtimezoneprivate_tz.cpp index 57bc000af5..d7d8119682 100644 --- a/src/corelib/tools/qtimezoneprivate_tz.cpp +++ b/src/corelib/tools/qtimezoneprivate_tz.cpp @@ -77,7 +77,11 @@ typedef QHash QTzTimeZoneHash; // Parse zone.tab table, assume lists all installed zones, if not will need to read directories static QTzTimeZoneHash loadTzTimeZones() { - QString path = QStringLiteral("/usr/share/zoneinfo/zone.tab"); + // Try TZDIR first, in case we're running on NixOS. + QString path = QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/zone.tab"); + // Fallback to traditional paths in case we are not on NixOS. + if (!QFile::exists(path)) + path = QStringLiteral("/usr/share/zoneinfo/zone.tab"); if (!QFile::exists(path)) path = QStringLiteral("/usr/lib/zoneinfo/zone.tab"); @@ -656,12 +660,16 @@ void QTzTimeZonePrivate::init(const QByteArray &ianaId) if (!tzif.open(QIODevice::ReadOnly)) return; } else { - // Open named tz, try modern path first, if fails try legacy path - tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId)); + // Try TZDIR first, in case we're running on NixOS + tzif.setFileName(QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/") + QString::fromLocal8Bit(ianaId)); if (!tzif.open(QIODevice::ReadOnly)) { - tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId)); - if (!tzif.open(QIODevice::ReadOnly)) - return; + // Open named tz, try modern path first, if fails try legacy path + tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId)); + if (!tzif.open(QIODevice::ReadOnly)) { + tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId)); + if (!tzif.open(QIODevice::ReadOnly)) + return; + } } } -- 2.23.GIT