48 lines
2.5 KiB
Diff
48 lines
2.5 KiB
Diff
diff --git a/src/corelib/time/qtimezoneprivate_tz.cpp b/src/corelib/time/qtimezoneprivate_tz.cpp
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index 627a4a81..a5f50acc 100644
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--- a/src/corelib/time/qtimezoneprivate_tz.cpp
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+++ b/src/corelib/time/qtimezoneprivate_tz.cpp
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@@ -51,7 +51,11 @@ typedef QHash<QByteArray, QTzTimeZone> QTzTimeZoneHash;
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// Parse zone.tab table, assume lists all installed zones, if not will need to read directories
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static QTzTimeZoneHash loadTzTimeZones()
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{
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- QString path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
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+ // Try TZDIR first, in case we're running on NixOS.
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+ QString path = QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/zone.tab");
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+ // Fallback to traditional paths in case we are not on NixOS.
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+ if (!QFile::exists(path))
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+ path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
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if (!QFile::exists(path))
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path = QStringLiteral("/usr/lib/zoneinfo/zone.tab");
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@@ -727,18 +731,21 @@ QTzTimeZoneCacheEntry QTzTimeZoneCache::findEntry(const QByteArray &ianaId)
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if (!tzif.open(QIODevice::ReadOnly))
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return ret;
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} else {
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- // Open named tz, try modern path first, if fails try legacy path
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- tzif.setFileName("/usr/share/zoneinfo/"_L1 + QString::fromLocal8Bit(ianaId));
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+ // Try TZDIR first, in case we're running on NixOS
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+ tzif.setFileName(QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/") + QString::fromLocal8Bit(ianaId));
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if (!tzif.open(QIODevice::ReadOnly)) {
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- tzif.setFileName("/usr/lib/zoneinfo/"_L1 + QString::fromLocal8Bit(ianaId));
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+ tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
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if (!tzif.open(QIODevice::ReadOnly)) {
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- // ianaId may be a POSIX rule, taken from $TZ or /etc/TZ
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- auto check = validatePosixRule(ianaId);
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- if (check.isValid) {
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- ret.m_hasDst = check.hasDst;
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- ret.m_posixRule = ianaId;
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+ tzif.setFileName("/usr/lib/zoneinfo/"_L1 + QString::fromLocal8Bit(ianaId));
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+ if (!tzif.open(QIODevice::ReadOnly)) {
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+ // ianaId may be a POSIX rule, taken from $TZ or /etc/TZ
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+ auto check = validatePosixRule(ianaId);
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+ if (check.isValid) {
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+ ret.m_hasDst = check.hasDst;
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+ ret.m_posixRule = ianaId;
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+ }
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+ return ret;
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}
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- return ret;
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}
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}
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}
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