$ git clone -n https://src.fedoraproject.org/rpms/javapoet.git /var/lib/mock/f40-build-2709819-71651/root/chroot_tmpdir/scmroot/javapoet
Cloning into '/var/lib/mock/f40-build-2709819-71651/root/chroot_tmpdir/scmroot/javapoet'...
$ git fetch origin f8e900041dc341337b1788cc02e430f5c7ba7f8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/javapoet
 * [new ref]         f8e900041dc341337b1788cc02e430f5c7ba7f8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8e9000 Rebuilt for java-21-openjdk as system jdk