$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-bubblemail.git /var/lib/mock/f42-build-3275564-41321/root/chroot_tmpdir/scmroot/gnome-shell-extension-bubblemail
Cloning into '/var/lib/mock/f42-build-3275564-41321/root/chroot_tmpdir/scmroot/gnome-shell-extension-bubblemail'...
$ git fetch origin e9c177568ee9b49f382f9a3c045f80de0c2727f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-bubblemail
 * [new ref]         e9c177568ee9b49f382f9a3c045f80de0c2727f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9c1775 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild