nixpkgs/pkgs/development/libraries/qt-5/5.12/qtbase.patch.d/0009-qtbase-tzdir.patch

52 lines
2.4 KiB
Diff

From db9686362ae34e02538e449e0edfe3d61065b2e9 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@mailbox.org>
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<QByteArray, QTzTimeZone> 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