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patches/packages/glibc-zoneinfo-2022a-noarch-1_slack15.0.txz: Upgraded. This package provides the latest timezone updates.
60 lines
2.8 KiB
Bash
60 lines
2.8 KiB
Bash
# Note on configuration change (2020-12-09):
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# For the past decade and a half, this package has created a symlink
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# /etc/localtime-copied-from and a file /etc/localtime to prevent
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# time skew until /usr is mounted. But having a separate /usr partition
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# hasn't really made sense for a long time and leads to all kinds of
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# bugs these days. We're going to make /etc/localtime a symlink just
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# like everyone else does so that programs that expect it to be a link
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# can fetch the timezone without requiring any special patches.
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# If you insist on making /usr a separate partition, you might want to
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# put the pointed-to directories and timezone file in your empty /usr
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# directory so that it is available before the real /usr is mounted.
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# Still not recommended though.
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# In a special case, we will handle the removal of the US/Pacific-New
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# timezone. A bit of background information on this:
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#
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# "US/Pacific-New' stands for 'Pacific Presidential Election Time',
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# which was passed by the House in April 1989 but never signed into law.
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# In presidential election years, this rule would have delayed the
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# PDT-to-PST switchover until after the election, to lessen the effect
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# of broadcast news election projections on last-minute west-coast
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# voters. "
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#
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# In nearly all cases, a machine that uses the US/Pacific-New timezone
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# has chosen it by mistake. In 2016, having this as the system timezone
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# actually led to clock errors, and after that it was decided that the
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# timezone (only of historical interest anyway) should be removed from
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# the timezone database.
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#
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# If we see that the machine's localtime-copied-from symlink is pointing
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# to US/Pacific-New, change it to point to US/Pacific instead.
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if [ "$(/bin/ls -l etc/localtime-copied-from 2> /dev/null | rev | cut -f 1,2 -d / | rev)" = "US/Pacific-New" ]; then
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( cd etc ; rm -rf localtime-copied-from )
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( cd etc ; ln -sf /usr/share/zoneinfo/US/Pacific localtime-copied-from )
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fi
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# Same with any /etc/localtime symlink:
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if [ -L etc/localtime ]; then
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if [ "$(/bin/ls -l etc/localtime 2> /dev/null | rev | cut -f 1,2 -d / | rev)" = "US/Pacific-New" ]; then
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( cd etc ; rm -rf localtime )
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( cd etc ; ln -sf /usr/share/zoneinfo/US/Pacific localtime )
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fi
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fi
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# If we already have a localtime-copied-from symlink, move it over as the
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# /etc/localtime symlink:
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if [ -L etc/localtime-copied-from ]; then
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rm -f etc/localtime
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mv etc/localtime-copied-from etc/localtime
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fi
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# Add the default timezone in /etc, if none exists:
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if [ ! -r etc/localtime ]; then
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( cd etc ; rm -rf localtime localtime-copied-from )
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( cd etc ; ln -sf /usr/share/zoneinfo/Factory localtime-copied-from )
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fi
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# Add a link to the timeconfig script in /usr/share/zoneinfo:
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( cd usr/share/zoneinfo ; rm -rf timeconfig )
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( cd usr/share/zoneinfo ; ln -sf /usr/sbin/timeconfig timeconfig )
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### Make the rest of the symbolic links in the zoneinfo database:
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