$ git clone -n https://src.fedoraproject.org/rpms/javapoet.git /var/lib/mock/f41-build-1228427-22831/root/chroot_tmpdir/scmroot/javapoet
Cloning into '/var/lib/mock/f41-build-1228427-22831/root/chroot_tmpdir/scmroot/javapoet'...
$ git fetch origin f581aef923bc9be60bc0925c87a3055b8d7bcc87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/javapoet
 * [new ref]         f581aef923bc9be60bc0925c87a3055b8d7bcc87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f581aef Rebuilt for java-21-openjdk as system jdk