$ git clone -n https://src.fedoraproject.org/rpms/xz-java.git /var/lib/mock/f43-build-61030268-6587930/root/chroot_tmpdir/scmroot/xz-java
Cloning into '/var/lib/mock/f43-build-61030268-6587930/root/chroot_tmpdir/scmroot/xz-java'...
$ git fetch origin 493152534974d5c37d99406804a23fc860d203e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xz-java
 * [new ref]         493152534974d5c37d99406804a23fc860d203e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4931525 Build with OpenJDK 25