$ git clone -n https://src.fedoraproject.org/rpms/libgedit-amtk.git /var/lib/mock/f45-build-16260-484/root/chroot_tmpdir/scmroot/libgedit-amtk
Cloning into '/var/lib/mock/f45-build-16260-484/root/chroot_tmpdir/scmroot/libgedit-amtk'...
$ git fetch origin 21fd75c321a1b53864a10dd7b2024a3487325249:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgedit-amtk
 * [new ref]         21fd75c321a1b53864a10dd7b2024a3487325249 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21fd75c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild