$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-plugin-libav.git /var/lib/mock/f41-build-820240-152137/root/chroot_tmpdir/scmroot/gstreamer1-plugin-libav
Cloning into '/var/lib/mock/f41-build-820240-152137/root/chroot_tmpdir/scmroot/gstreamer1-plugin-libav'...
$ git fetch origin 231040f23e38e4eff05fb0a4844ec3a151869e99:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gstreamer1-plugin-libav
 * [new ref]         231040f23e38e4eff05fb0a4844ec3a151869e99 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 231040f Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild