$ git clone -n https://src.fedoraproject.org/rpms/public-inbox.git /var/lib/mock/f40-build-2024210-46978/root/chroot_tmpdir/scmroot/public-inbox
Cloning into '/var/lib/mock/f40-build-2024210-46978/root/chroot_tmpdir/scmroot/public-inbox'...
$ git fetch origin b8bb61d659ac2609fa2515fd714d394f381d3bed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/public-inbox
 * [new ref]         b8bb61d659ac2609fa2515fd714d394f381d3bed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8bb61d Update to 2.0.0 snapshot to work around imapd test issues (rhbz#2222856)