tzupdater Mac OS X (offline)

wget https://www.iana.org/time-zones/repository/tzdata-latest.tar.gz

gsha512sum /Users/German/bin/tzupdater-2.1.2/tzdata-latest.tar.gz |awk '{print $1}' > /Users/German/bin/tzupdater-2.1.2/tzdata-latest.tar.gz.sha512

sudo java -jar tzupdater.jar -f -v -l file:///Users/German/bin/tzupdater-2.1.2/tzdata-latest.tar.gz 

Note: gsha512sum from brew coreutils

Password:
Using file:///Users/German/Downloads/tzupdater-2.1.2/tzdata-latest.tar.gz as source for tzdata bundle.
java.home: /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home/jre
java.vendor: Oracle Corporation
java.version: 1.7.0_80
tzupdater version 2.1.2-b01
JRE tzdata version: tzdata2018e
Downloaded file to /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/tz.tmp/tzdata.tar.gz
javazic: warning: found last rules for Eire inconsistent.
tzupdater tool would update with tzdata version: tzdata2018e
Downloaded file to /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/tz.tmp/sha512hash
Extracting files... done.
Renaming /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home/jre/lib/zi to /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home/jre/lib/zi.tzdata2018e_2
Renaming /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home/jre/lib/zi.tzdata2018e to /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home/jre/lib/zi
Validating for : tzdata2018e
Validation complete
JRE updated to version : tzdata2018e

just in case,for online:

$ sudo java -jar tzupdater.jar -f -v

UPDATE:

There is a known bug with new format:

Using file:///Users/German/bin/tzupdater-2.1.2/tzdata-latest.tar.gz as source for tzdata bundle.
java.home: /Library/Java/JavaVirtualMachines/jdk1.8.0_191.jdk/Contents/Home/jre
java.vendor: Oracle Corporation
java.version: 1.8.0_191
tzupdater version 2.2.0-b01
JRE tzdata version: tzdata2018e
Downloaded file to /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/tz.tmp_2/tzdata.tar.gz
tzupdater tool would update with tzdata version: tzdata2019b
Compiling TZDB version 2019b
Parsing file: /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/tz.tmp_2/africa
Parsing file: /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/tz.tmp_2/antarctica
Parsing file: /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/tz.tmp_2/asia
Failed: java.lang.Exception: Failed while parsing file '/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/tz.tmp_2/asia' on line 1865 'Rule    Japan    1948    1951    -    Sep    Sat>=8    25:00    0    S'
java.lang.Exception: Failed while parsing file '/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/tz.tmp_2/asia' on line 1865 'Rule    Japan    1948    1951    -    Sep    Sat>=8    25:00    0    S'
    at tools.tzdb.TzdbZoneRulesCompiler.parseFile(TzdbZoneRulesCompiler.java:377)
    at tools.tzdb.TzdbZoneRulesCompiler.compile(TzdbZoneRulesCompiler.java:191)
    at tools.tzdb.TzdbZoneRulesCompiler.(TzdbZoneRulesCompiler.java:307)
    at com.sun.tools.tzupdater.ExternalModule.compileToJSRBinary(ExternalModule.java:153)
    at com.sun.tools.tzupdater.TimezoneUpdater.run(TimezoneUpdater.java:230)
    at com.sun.tools.tzupdater.TimezoneUpdater.main(TimezoneUpdater.java:634)
Caused by: tools.tzdb.DateTimeException: Invalid value for SecondOfDay value: 90000
    at tools.tzdb.ChronoField.checkValidValue(ChronoField.java:173)
    at tools.tzdb.LocalTime.ofSecondOfDay(LocalTime.java:210)
    at tools.tzdb.TzdbZoneRulesCompiler.parseMonthDayTime(TzdbZoneRulesCompiler.java:475)
    at tools.tzdb.TzdbZoneRulesCompiler.parseRuleLine(TzdbZoneRulesCompiler.java:399)
    at tools.tzdb.TzdbZoneRulesCompiler.parseFile(TzdbZoneRulesCompiler.java:354)
    ... 5 more

This is solved by using:

sudo java -jar tzupdater.jar -l https://web.cs.ucla.edu/~eggert/tz/release/2019a/tzdata2019a-rearguard.tar.gz

https://bugs.openjdk.java.net/browse/JDK-8213085