$ git clone -n https://src.fedoraproject.org/rpms/golang-oras-2.git /var/lib/mock/f40-build-2146063-50880/root/chroot_tmpdir/scmroot/golang-oras-2
Cloning into '/var/lib/mock/f40-build-2146063-50880/root/chroot_tmpdir/scmroot/golang-oras-2'...
$ git fetch origin 7fd399a1bba925fa29493e63f8ad40f38e5379c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-oras-2
 * [new ref]         7fd399a1bba925fa29493e63f8ad40f38e5379c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fd399a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild