what now ?

- change release number if some files changes ?

- write a graphical interface ?

- something about package signature ?
(detect passed signature with SIGGPG, ask for new one .)

- add install option

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fix shell syntax with http://www.shellcheck.net/
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fix pb with requires
example :
# rpm -qR NetworkManager-wifi
(wpa_supplicant >= 1:1.1 or iwd)

and in spec :
Requires:      (wpa_supplicant 1:1.1 or

ex : annobin
$ rpm -qR annobin
(gcc >= 9 with gcc < 10)

ex : lightdm
(lightdm-greeter = 1.2 if xorg-x11-server-Xorg)

$ rpm -qR python3-requests
(python3.7dist(urllib3) < 1.25 or python3.7dist(urllib3) >= 1.25.0)
(python3.7dist(urllib3) < 1.25.1 or python3.7dist(urllib3) >= 1.25.1.0)

