$ git clone -n https://src.fedoraproject.org/rpms/antlr3.git /var/lib/mock/f38-build-side-42-init-devel-804321-28144/root/chroot_tmpdir/scmroot/antlr3
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-804321-28144/root/chroot_tmpdir/scmroot/antlr3'...
$ git fetch origin 19abc93d019b34af6110a8626691f9a8d6ef179f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/antlr3
 * [new ref]         19abc93d019b34af6110a8626691f9a8d6ef179f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19abc93 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild