zip file not extracting

Björn Raupach raupach at
Fri Jul 1 06:30:43 PDT 2016

Hello group,

I am working on a port file for <> and have a problem in the extract phase.

Here is the excerpt from the log:

:debug:extract Assembled command: 'cd "/opt/local/var/macports/build/_Users_raupach_ports_java_jbake/jbake/work" && /usr/bin/gzip -dc '/opt/local/var/macports/distfiles/jbake/' | /usr/bin/tar -xf -'
:debug:extract Executing command line:  cd "/opt/local/var/macports/build/_Users_raupach_ports_java_jbake/jbake/work" && /usr/bin/gzip -dc '/opt/local/var/macports/distfiles/jbake/' | /usr/bin/tar -xf - 
:info:extract gzip: /opt/local/var/macports/distfiles/jbake/ not in gzip format

I verified the same procedure within terminal and without macports. Looks like I can’t extract the zip file with gzip and tar.

I am not very familiar with zip and such but is there anything I can do? Does the developer of jbake use some special program to zip their releases?

kind regards,
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