$ git clone -n https://src.fedoraproject.org/rpms/java-17-openjdk-portable.git /var/lib/mock/f41-build-side-1-2834454-33684/root/chroot_tmpdir/scmroot/java-17-openjdk-portable
Cloning into '/var/lib/mock/f41-build-side-1-2834454-33684/root/chroot_tmpdir/scmroot/java-17-openjdk-portable'...
$ git fetch origin 74ab7734d48bd2df3d7919fe94cd9e76c6e3c4f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-17-openjdk-portable
 * [new ref]         74ab7734d48bd2df3d7919fe94cd9e76c6e3c4f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74ab773 Updated NEWS