basilrabi a25f8b970f [RPM] fix broken -u flag in buildrmps.sh
When using `buildrpms.sh -u`, the script fails with:

```
Wrote: /builddir/build/SRPMS/qgis-*.src.rpm
Finish: rpmbuild -bs
Finish: buildsrpm
INFO: Done(qgis.spec) Config(default) 0 minutes 22 seconds
INFO: Results and/or logs in: result
INFO: Cleaning up build root ('cleanup_on_success=True')
Start: clean chroot
Finish: clean chroot
Finish: run
Source package created
Source package unavailable. Abort
```

The reason was because a wrong src.rpm file name was extracted by sed.
Instead of `qgis-*.src.rpm`, what was being extracted is
`qgis-*.src.rpm\r` which includes a carriage return. This change removes
any character at the end of the `.rpm` when extracting the file name.
2020-01-02 13:07:29 +10:00
..

QGIS RPM generator

Build RPM using mock

$ ./buildrpms.sh

Generate a valid spec file from template

$ ./buildrpms.sh -c

Build SRPM using mock

$ ./buildrpms.sh -s

Rebuild last generated RPM using mock

$ ./buildrpms.sh -b

Build an unstable release

$ ./buildrpms.sh [flags] -u

This generates an RPM with release .git<short commit ID>

MOCK old chroot

It is possible to execute mock using the 'old chroot' behavior (which does not uses systemd-nspawn) setting the environment variable _MOCK_OLD_CHROOT before running buildrpms.sh:

export _MOCK_OLD_CHROOT=1

This may be useful when running mock inside environments that do not play well with systemd-nspawn (LXC/LXD, Docker...).