$ git clone -n https://src.fedoraproject.org/rpms/gpodder.git /var/lib/mock/f39-build-1850058-42230/root/chroot_tmpdir/scmroot/gpodder
Cloning into '/var/lib/mock/f39-build-1850058-42230/root/chroot_tmpdir/scmroot/gpodder'...
$ git fetch origin d2f5c8c7cb36736e21033617c7b9619ffd9a0838:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpodder
 * [new ref]         d2f5c8c7cb36736e21033617c7b9619ffd9a0838 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2f5c8c Bump release