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From da003b582ee8823b29b1ff5c0aca8e06e7741b94 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@mailbox.org>
Date: Tue, 17 Sep 2019 05:36:25 -0500
Subject: [PATCH 08/11] qtbase-tzdir
---
src/corelib/time/qtimezoneprivate_tz.cpp | 31 +++++++++++++++---------
1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/src/corelib/time/qtimezoneprivate_tz.cpp b/src/corelib/time/qtimezoneprivate_tz.cpp
index 01f9a6cce0..910338205a 100644
--- a/src/corelib/time/qtimezoneprivate_tz.cpp
+++ b/src/corelib/time/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");
@@ -672,20 +676,23 @@ QTzTimeZoneCacheEntry QTzTimeZoneCache::findEntry(const QByteArray &ianaId)
if (!tzif.open(QIODevice::ReadOnly))
return ret;
} 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));
+ tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
if (!tzif.open(QIODevice::ReadOnly)) {
- // ianaId may be a POSIX rule, taken from $TZ or /etc/TZ
- const QByteArray zoneInfo = ianaId.split(',').at(0);
- const char *begin = zoneInfo.constBegin();
- if (PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset()
- && (begin == zoneInfo.constEnd()
- || PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset())) {
- ret.m_posixRule = ianaId;
+ tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
+ if (!tzif.open(QIODevice::ReadOnly)) {
+ // ianaId may be a POSIX rule, taken from $TZ or /etc/TZ
+ const QByteArray zoneInfo = ianaId.split(',').at(0);
+ const char *begin = zoneInfo.constBegin();
+ if (PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset()
+ && (begin == zoneInfo.constEnd()
+ || PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset())) {
+ ret.m_posixRule = ianaId;
+ }
+ return ret;
}
- return ret;
}
}
}
--
2.25.4
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