$ git clone -n https://src.fedoraproject.org/rpms/svnkit.git /var/lib/mock/f40-build-2551611-61948/root/chroot_tmpdir/scmroot/svnkit
Cloning into '/var/lib/mock/f40-build-2551611-61948/root/chroot_tmpdir/scmroot/svnkit'...
$ git fetch origin 8697e31eee39c4aff9c4606cc559707d1f271a0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/svnkit
 * [new ref]         8697e31eee39c4aff9c4606cc559707d1f271a0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8697e31 Rebuilt for java-21-openjdk as system jdk