$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-beanutils.git /var/lib/mock/f41-build-1038290-18837/root/chroot_tmpdir/scmroot/apache-commons-beanutils
Cloning into '/var/lib/mock/f41-build-1038290-18837/root/chroot_tmpdir/scmroot/apache-commons-beanutils'...
$ git fetch origin b4ecdbb9982eb0cafaed8cfcbe44fac20358626d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-beanutils
 * [new ref]         b4ecdbb9982eb0cafaed8cfcbe44fac20358626d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4ecdbb Rebuilt for java-21-openjdk as system jdk