$ git clone -n https://src.fedoraproject.org/rpms/akregator.git /var/lib/mock/f39-build-1979671-43339/root/chroot_tmpdir/scmroot/akregator
Cloning into '/var/lib/mock/f39-build-1979671-43339/root/chroot_tmpdir/scmroot/akregator'...
$ git fetch origin 2f6e552dd4fcb59bf95b24f815187922840bdaec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akregator
 * [new ref]         2f6e552dd4fcb59bf95b24f815187922840bdaec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f6e552 23.08.3