$ git clone -n https://src.fedoraproject.org/rpms/ws-commons-util.git /var/lib/mock/f40-build-2609007-63757/root/chroot_tmpdir/scmroot/ws-commons-util
Cloning into '/var/lib/mock/f40-build-2609007-63757/root/chroot_tmpdir/scmroot/ws-commons-util'...
$ git fetch origin 808ab00aec9cba4f28335cf1f8b4c70e3760a3f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ws-commons-util
 * [new ref]         808ab00aec9cba4f28335cf1f8b4c70e3760a3f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 808ab00 Rebuilt for java-21-openjdk as system jdk