Hello,
I think I might have a solution for you. In our team, we are using a small utility called pkgname (see attachment).
On Tue, Nov 23, 2021 at 1:33 AM Matthew Miller <mattdm@xxxxxxxxxxxxxxxxx> wrote:
On Mon, Nov 22, 2021 at 04:46:05PM -0500, Nico Kadel-Garcia wrote:
> To get the list of installed RPMs:
>
> rpm -qa --qf '%{name}-%{version}-%{release}.%{arch}\n'
>
> For matching SRPMs?
>
> rpm -qa --qf '%{name}-%{version}-%{release}.%{arch}\n' |
> LANG=C sort | while read name; do echo "$name.rpm: `rpm -qi
> $name | grep '^Source RPM'`"; done
This doesn't work, and also seems unnecessarily complicated. (Why not just
use `--qf '%{sourcerpm}` as in my original question?)
But in any case, it doesn't solve my problem, as it just gives filenames,
and there's no way to know when a name ends and a version starts, as they
both use - as a separator.
> Do not bother with yum or dnf, they pull information from the rpm
> database and burn cycles on unnecessary metadata updates from
> updstreams.
rpm would be a tiny bit faster, if it could tell this. But it seems to not
have an easy way. And in fact if you use `dnf repoquery --installed`, it
is smart enough to just work from what's there locally. (You can use -C if
you want, but you don't have to.)
--
Matthew Miller
<mattdm@xxxxxxxxxxxxxxxxx>
Fedora Project Leader
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#!/usr/bin/python3
"""
Pipe package NEVRAs into this script to get package names.
NEVRA stands for Name, Epoch, Version, Release, Architecture. E.g.:
$ echo fedora-packager-0:0.6.0.4-1.fc32.noarch | pkgname
fedora-packager
You can omit epoch and/or architecture:
$ echo fedora-packager-0.6.0.4-1.fc32 | pkgname
fedora-packager
But, if version and release is omitted, the script can produce invalid results:
$ echo fedora-packager | pkgname
fedora
Created by Miro Hrončok, with suggestions from Adam Williamson.
This script is trivial, consider it Public Domain.
"""
import fileinput
import sys
if len(sys.argv) > 1:
sys.exit(__doc__.strip())
for line in fileinput.input():
print(line.rsplit("-", 2)[0])
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