$ git clone -n https://src.fedoraproject.org/rpms/R-rsvg.git /var/lib/mock/f39-build-1544646-36656/root/chroot_tmpdir/scmroot/R-rsvg
Cloning into '/var/lib/mock/f39-build-1544646-36656/root/chroot_tmpdir/scmroot/R-rsvg'...
$ git fetch origin 344547f4372704ad6e59f965ddf4e776efce66c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rsvg
 * [new ref]         344547f4372704ad6e59f965ddf4e776efce66c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 344547f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild