$ git clone -n https://src.fedoraproject.org/rpms/gpac.git /var/lib/mock/f41-build-860056-168769/root/chroot_tmpdir/scmroot/gpac
Cloning into '/var/lib/mock/f41-build-860056-168769/root/chroot_tmpdir/scmroot/gpac'...
$ git fetch origin cecd78dedb000991e65e062a6b22005b9f7b2bd1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpac
 * [new ref]         cecd78dedb000991e65e062a6b22005b9f7b2bd1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cecd78d rebuilt for FFmpeg 7