Resolves: bz859783
Old po/ folder are not well maintained. All po files are just
same as the outdated pot file.
Translating team need kexec-tools to update it to
the conventional mode so it become available for translating.
Currently old translated po files are not maintained in git.
Instead it's a kexec-tools-po.tar.gz in dist git server.
see kexec-tools.spec: Source13. This patch will maintain them
in po/ and update the contents from lastest source code.
The refresh include below items:
1. update pot file from latest source code.
2. merge old translated po files with the new pot file
3. maintain translated po files in po/ folder
Also updated the Makefile to make the process more easier.
Usage after the update is like below:
a) simple `make` will generate the mo files for installation
b) `make install` will install mo files to locale directory
Above two command are used in rpm spec to install mo files
c) `make merge` will update pot file from source code and merge
translated po files with latest pot file. So it become ready for
translation team to translate
For kexec-tools maintaining, what we need to do is:
Once firstboot_kdump.py is modifed, we should run `make merge`
to update the po files for translation
After po files get translated they need to be copied to po/
and commit to git. Then create a kexec-tools-po.tar.gz and
upload the tar.gz to dist git, also update the checksum in spec
file.
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