$ git clone -n https://src.fedoraproject.org/rpms/maven-shared-io.git /var/lib/mock/f40-build-2616771-64339/root/chroot_tmpdir/scmroot/maven-shared-io
Cloning into '/var/lib/mock/f40-build-2616771-64339/root/chroot_tmpdir/scmroot/maven-shared-io'...
$ git fetch origin 0a3d8f83b0dcff0c739d37793bfaebc87dbaaa4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-shared-io
 * [new ref]         0a3d8f83b0dcff0c739d37793bfaebc87dbaaa4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a3d8f8 Rebuilt for java-21-openjdk as system jdk