$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-vfs.git /var/lib/mock/f41-build-1019990-17995/root/chroot_tmpdir/scmroot/apache-commons-vfs
Cloning into '/var/lib/mock/f41-build-1019990-17995/root/chroot_tmpdir/scmroot/apache-commons-vfs'...
$ git fetch origin 5c44cace7ad01078743463adf323a4aed2d23d38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-vfs
 * [new ref]         5c44cace7ad01078743463adf323a4aed2d23d38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c44cac Rebuilt for java-21-openjdk as system jdk