$ git clone -n https://src.fedoraproject.org/rpms/beust-jcommander.git /var/lib/mock/f40-build-2603905-63358/root/chroot_tmpdir/scmroot/beust-jcommander
Cloning into '/var/lib/mock/f40-build-2603905-63358/root/chroot_tmpdir/scmroot/beust-jcommander'...
$ git fetch origin 85a55e4a77dc4c031ea9d7ed4812a3287177d22e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/beust-jcommander
 * [new ref]         85a55e4a77dc4c031ea9d7ed4812a3287177d22e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85a55e4 Rebuilt for java-21-openjdk as system jdk