$ git clone -n https://src.fedoraproject.org/rpms/xfce4-mailwatch-plugin.git /var/lib/mock/f40-build-753444-117289/root/chroot_tmpdir/scmroot/xfce4-mailwatch-plugin
Cloning into '/var/lib/mock/f40-build-753444-117289/root/chroot_tmpdir/scmroot/xfce4-mailwatch-plugin'...
$ git fetch origin c8603c0459a959c2f1b8ba4a0902218ffb20e6b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-mailwatch-plugin
 * [new ref]         c8603c0459a959c2f1b8ba4a0902218ffb20e6b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8603c0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild