$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-compress.git /var/lib/mock/f40-build-2678902-67924/root/chroot_tmpdir/scmroot/apache-commons-compress
Cloning into '/var/lib/mock/f40-build-2678902-67924/root/chroot_tmpdir/scmroot/apache-commons-compress'...
$ git fetch origin efc44564233c060553e837bc43fff93c0b984ca3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-compress
 * [new ref]         efc44564233c060553e837bc43fff93c0b984ca3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at efc4456 Rebuilt for java-21-openjdk as system jdk