$ git clone -n https://src.fedoraproject.org/rpms/pidgin-chime.git /var/lib/mock/f39-build-1709692-41224/root/chroot_tmpdir/scmroot/pidgin-chime
Cloning into '/var/lib/mock/f39-build-1709692-41224/root/chroot_tmpdir/scmroot/pidgin-chime'...
$ git fetch origin 7a9fafe4d5da83ba908a7343b0968f89ee4837ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pidgin-chime
 * [new ref]         7a9fafe4d5da83ba908a7343b0968f89ee4837ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a9fafe Update to 1.5