$ git clone -n https://src.fedoraproject.org/rpms/httpcomponents-project.git /var/lib/mock/f40-build-692397-12714/root/chroot_tmpdir/scmroot/httpcomponents-project
Cloning into '/var/lib/mock/f40-build-692397-12714/root/chroot_tmpdir/scmroot/httpcomponents-project'...
$ git fetch origin 811832b83c2782f1fff8066e11048be22abf3641:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/httpcomponents-project
 * [new ref]         811832b83c2782f1fff8066e11048be22abf3641 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 811832b Rebuilt for java-21-openjdk as system jdk