$ git clone -n https://src.fedoraproject.org/rpms/rust-encoding-index-japanese.git /var/lib/mock/f40-build-2072277-49334/root/chroot_tmpdir/scmroot/rust-encoding-index-japanese
Cloning into '/var/lib/mock/f40-build-2072277-49334/root/chroot_tmpdir/scmroot/rust-encoding-index-japanese'...
$ git fetch origin 0e74a40f68bd6acb8471886b2e6d4025041ed604:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-encoding-index-japanese
 * [new ref]         0e74a40f68bd6acb8471886b2e6d4025041ed604 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e74a40 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild