$ git clone -n https://src.fedoraproject.org/rpms/python-Mastodon.git /var/lib/mock/f39-build-1616202-38646/root/chroot_tmpdir/scmroot/python-Mastodon
Cloning into '/var/lib/mock/f39-build-1616202-38646/root/chroot_tmpdir/scmroot/python-Mastodon'...
$ git fetch origin 02751de4d00f42915274cdcb375daf055876d3af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-Mastodon
 * [new ref]         02751de4d00f42915274cdcb375daf055876d3af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02751de Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild